Example fails with 'illegal name .drv'

[et4te]

Using NixOS with a recent nixpkgs (18.09). Downloaded nix/release/default.nix and renamed to opam2nix-packages.nix.

with import <nixpkgs> {};

let
  opam2nix = callPackage ./opam2nix-packages.nix {};
in

stdenv.mkDerivation {
  buildInputs = opam2nix.build {
    specs = opam2nix.toSpecs [ "ocp-build" "zarith" "lwt" ];
  };
}

The error log.

nix-build
warning: Nix search path entry '/home/boobla/.nix-defexpr/channels' does not exist, ignoring
building '/nix/store/2fkisn1c1rfklnpr0c89qi10fhw0vzkq-opam-selection.nix.drv'...
+ env OCAMLRUNPARAM=b /nix/store/rzpjfcmmixc9qd7dpf7cc5lb9vsyr34p-opam2nix-0.3.2/bin/opam2nix select --repo /nix/store/wggdz39p35hhw4zqc8gvjyzrybxp81r9-opam2nix-generated-packages --dest /nix/store/hznm0wxndvkjz2i59xklfqs21am16kag-opam-selection.nix --ocaml-version 4.05.0 --base-packages base-unix,base-bigarray,base-threads --ocaml-attr ocaml ocp-build zarith lwt
  # Ignoring package ANSITerminal-0.6.4 (incomatible with `available` constraints)
  # Ignoring package ANSITerminal-0.6.5 (incomatible with `available` constraints)
  # Ignoring package JsOfOCairo-0.1.0 (incomatible with `available` constraints)
  # Ignoring package alberto-0.2 (incomatible with `available` constraints)
  # Ignoring package alberto-0.3 (incomatible with `available` constraints)
  # Ignoring package alberto-0.4 (incomatible with `available` constraints)
  # Ignoring package alsa-0.2.2 (incomatible with `available` constraints)
  # Ignoring package alsa-0.2.3 (incomatible with `available` constraints)
  # Ignoring package ancient-0.9.0 (incomatible with `available` constraints)
  # Ignoring package arakoon-1.6.6 (incomatible with `available` constraints)
  # Ignoring package arakoon-1.6.7 (incomatible with `available` constraints)
  # Ignoring package archimedes-0.4.17 (incomatible with `available` constraints)
  # Ignoring package argot-1.1 (incomatible with `available` constraints)
  # Ignoring package async-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_core-109.47.00 (incomatible with `available` constraints)
  # Ignoring package async_core-109.53.00 (incomatible with `available` constraints)
  # Ignoring package async_core-109.55.00 (incomatible with `available` constraints)
  # Ignoring package async_core-109.55.02 (incomatible with `available` constraints)
  # Ignoring package async_extended-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_extended-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_extra-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_extra-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_find-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_inotify-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_inotify-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_kernel-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_kernel-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_parallel-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_parallel-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_rpc_kernel-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_rpc_kernel-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_shell-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_smtp-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_smtp-113.33.03 (incomatible with `available` constraints)
  # Ignoring package async_ssl-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_ssl-113.00.01 (incomatible with `available` constraints)
  # Ignoring package async_unix-113.00.00 (incomatible with `available` constraints)
  # Ignoring package async_unix-113.33.03 (incomatible with `available` constraints)
  # Ignoring package avroc-0.0.1 (incomatible with `available` constraints)
  # Ignoring package baardskeerder-0.5.1 (incomatible with `available` constraints)
  # Ignoring package baardskeerder-0.5.2 (incomatible with `available` constraints)
  # Ignoring package bap-0.9.8 (incomatible with `available` constraints)
  # Ignoring package bap-0.9.9 (incomatible with `available` constraints)
  # Ignoring package base-bytes-backport (incomatible with `available` constraints)
  # Ignoring package base-flambda-base (incomatible with `available` constraints)
  # Ignoring package base-implicits-base (incomatible with `available` constraints)
  # Ignoring package base-metaocaml-ocamlfind-base (incomatible with `available` constraints)
  # Ignoring package base-no-ppx-base (incomatible with `available` constraints)
  # Ignoring package base-ocamlbuild-base (incomatible with OCaml version 4.05.0)
  # Ignoring package batteries-1.4.3 (incomatible with `available` constraints)
  # Ignoring package batteries-1.5.0 (incomatible with `available` constraints)
  # Ignoring package batteries-2.6.0 (incomatible with `available` constraints)
  # Ignoring package bau-0.0.3 (incomatible with `available` constraints)
  # Ignoring package beluga-0.5 (incomatible with OCaml version 4.05.0)
  # Ignoring package benchmark-1.3 (incomatible with `available` constraints)
  # Ignoring package bignum-113.00.00 (incomatible with `available` constraints)
  # Ignoring package bignum-113.33.03 (incomatible with `available` constraints)
  # Ignoring package bin_prot-113.00.00 (incomatible with `available` constraints)
  # Ignoring package bin_prot-113.33.03 (incomatible with `available` constraints)
  # Ignoring package bisect-1.1 (incomatible with `available` constraints)
  # Ignoring package bisect_ppx-0.1 (incomatible with `available` constraints)
  # Ignoring package bisect_ppx-0.2.5 (incomatible with `available` constraints)
  # Ignoring package bisect_ppx-0.2.6 (incomatible with `available` constraints)
  # Ignoring package bisect_ppx-1.1.0 (incomatible with `available` constraints)
  # Ignoring package bitmasks-1.0.0 (incomatible with `available` constraints)
  # Ignoring package bitstring-2.0.3 (incomatible with `available` constraints)
  # Ignoring package bolt-1.2 (incomatible with `available` constraints)
  # Ignoring package bolt-1.3 (incomatible with `available` constraints)
  # Ignoring package boomerang-1.1.0 (incomatible with `available` constraints)
  # Ignoring package cache-1.0 (incomatible with `available` constraints)
  # Ignoring package cairo-0.4.1 (incomatible with `available` constraints)
  # Ignoring package calendar-2.03.1 (incomatible with `available` constraints)
  # Ignoring package camldm-0.1.0 (incomatible with `available` constraints)
  # Ignoring package camlimages-4.0.1 (incomatible with `available` constraints)
  # Ignoring package camlimages-4.0.2 (incomatible with `available` constraints)
  # Ignoring package camlimages-4.1.1 (incomatible with `available` constraints)
  # Ignoring package camlimages-4.2.5 (incomatible with `available` constraints)
  # Ignoring package camlimages-4.2.6 (incomatible with `available` constraints)
  # Ignoring package camlimages-5.0.0 (incomatible with `available` constraints)
  # Ignoring package camlimages-5.0.1 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.01 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.01+system (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02+1 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02+2 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02+3 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02+4 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02+6 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02+7 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02+system (incomatible with `available` constraints)
  # Ignoring package camlp4-4.02.0-1modular-implicits (incomatible with `available` constraints)
  # Ignoring package camlp4-4.03+1 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.03+system (incomatible with `available` constraints)
  # Ignoring package camlp4-4.04+1 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.04+system (incomatible with `available` constraints)
  # Ignoring package camlp4-4.05+system (incomatible with `available` constraints)
  # Ignoring package camlp4-4.06+1 (incomatible with `available` constraints)
  # Ignoring package camlp4-4.06+system (incomatible with `available` constraints)
  # Ignoring package camlp5-6.15 (incomatible with `available` constraints)
  # Ignoring package camlp5-6.16 (incomatible with `available` constraints)
  # Ignoring package camlp5-6.17 (incomatible with `available` constraints)
  # Ignoring package caravan-0.0.2 (incomatible with `available` constraints)
  # Ignoring package cdrom-0.9.1 (incomatible with `available` constraints)
  # Ignoring package cdrom-0.9.3 (incomatible with `available` constraints)
  # Ignoring package cduce-0.5.5 (incomatible with `available` constraints)
  # Ignoring package cduce_ws-0.1 (incomatible with `available` constraints)
  # Ignoring package chamo-2.01 (incomatible with `available` constraints)
  # Ignoring package chamo-2.02 (incomatible with `available` constraints)
  # Ignoring package cil-1.5.1 (incomatible with `available` constraints)
  # Ignoring package cil-1.7.2 (incomatible with `available` constraints)
  # Ignoring package coccinelle-1.0.0-rc23 (incomatible with `available` constraints)
  # Ignoring package codept-0.9.0 (incomatible with `available` constraints)
  # Ignoring package coinst-1.9.1 (incomatible with `available` constraints)
  # Ignoring package comparelib-113.00.00 (incomatible with `available` constraints)
  # Ignoring package conf-libudev-1 (incomatible with `available` constraints)
  # Ignoring package conf-linux-libc-dev-0 (incomatible with `available` constraints)
  # Ignoring package conf-ncurses-1+system (incomatible with `available` constraints)
  # Ignoring package conf-pic-switch-0.1 (incomatible with `available` constraints)
  # Ignoring package coq-8.4pl1 (incomatible with `available` constraints)
  # Ignoring package coq-8.4pl2 (incomatible with `available` constraints)
  # Ignoring package coq-8.4pl4 (incomatible with `available` constraints)
  # Ignoring package coq-serapi-8.7.1+0.4.12 (incomatible with `available` constraints)
  # Ignoring package coq-serapi-8.7.2+0.4.13 (incomatible with `available` constraints)
  # Ignoring package coq-serapi-8.8.0+0.5.1 (incomatible with `available` constraints)
  # Ignoring package core-113.00.00 (incomatible with `available` constraints)
  # Ignoring package core-113.33.03 (incomatible with `available` constraints)
  # Ignoring package core_bench-113.33.03 (incomatible with `available` constraints)
  # Ignoring package core_extended-113.00.00 (incomatible with `available` constraints)
  # Ignoring package core_extended-113.33.03 (incomatible with `available` constraints)
  # Ignoring package core_kernel-113.00.00 (incomatible with `available` constraints)
  # Ignoring package core_kernel-113.33.03 (incomatible with `available` constraints)
  # Ignoring package core_profiler-113.00.00 (incomatible with `available` constraints)
  # Ignoring package core_profiler-113.33.03 (incomatible with `available` constraints)
  # Ignoring package cow-2.0.0 (incomatible with `available` constraints)
  # Ignoring package cstruct-2.2.0 (incomatible with `available` constraints)
  # Ignoring package cstruct-2.3.1 (incomatible with `available` constraints)
  # Ignoring package csvprovider-1.0 (incomatible with `available` constraints)
  # Ignoring package csvprovider-1.1 (incomatible with `available` constraints)
  # Ignoring package csvprovider-1.2 (incomatible with `available` constraints)
  # Ignoring package custom_printf-113.00.00 (incomatible with `available` constraints)
  # Ignoring package dead_code_analyzer-0.9 (incomatible with `available` constraints)
  # Ignoring package depext-transition (incomatible with `available` constraints)
  # Ignoring package deriving-0.6.2 (incomatible with `available` constraints)
  # Ignoring package deriving-0.7 (incomatible with `available` constraints)
  # Ignoring package deriving-ocsigen-0.3c (incomatible with `available` constraints)
  # Ignoring package deriving-ocsigen-0.5 (incomatible with `available` constraints)
  # Ignoring package dht-0.2.0 (incomatible with `available` constraints)
  # Ignoring package distributed-0.3.0 (incomatible with `available` constraints)
  # Ignoring package dlm-0.3.0 (incomatible with `available` constraints)
  # Ignoring package doc-ock-1.0.0 (incomatible with `available` constraints)
  # Ignoring package dumpast-0.1.0 (incomatible with `available` constraints)
  # Ignoring package dumpast-0.2.0 (incomatible with `available` constraints)
  # Ignoring package dune-release-0.1.0 (incomatible with `available` constraints)
  # Ignoring package dune-release-0.2.0 (incomatible with `available` constraints)
  # Ignoring package email_message-113.00.00 (incomatible with `available` constraints)
  # Ignoring package email_message-113.33.03 (incomatible with `available` constraints)
  # Ignoring package enumerate-111.08.00 (incomatible with `available` constraints)
  # Ignoring package extlib-1.5.3 (incomatible with `available` constraints)
  # Ignoring package extlib-1.5.4 (incomatible with `available` constraints)
  # Ignoring package extlib-1.6.1 (incomatible with `available` constraints)
  # Ignoring package extlib-compat-1.6.1 (incomatible with `available` constraints)
  # Ignoring package extlib-compat-1.7.0 (incomatible with `available` constraints)
  # Ignoring package ezjsonm-0.4.2 (incomatible with `available` constraints)
  # Ignoring package fftw3-0.6 (incomatible with `available` constraints)
  # Ignoring package fieldslib-113.00.00 (incomatible with `available` constraints)
  # Ignoring package fieldslib-113.33.03 (incomatible with `available` constraints)
  # Ignoring package flock-1.0.0 (incomatible with `available` constraints)
  # Ignoring package flow-0.1 (incomatible with `available` constraints)
  # Ignoring package flow-0.2 (incomatible with `available` constraints)
  # Ignoring package froc-0.2.2 (incomatible with `available` constraints)
  # Ignoring package functoria-1.0.0 (incomatible with `available` constraints)
  # Ignoring package gdal-0.8.0 (incomatible with `available` constraints)
  # Ignoring package gdb-0.3 (incomatible with `available` constraints)
  # Ignoring package gen-bs-0.1.0 (incomatible with `available` constraints)
  # Ignoring package gen_js_api-1.0.5 (incomatible with `available` constraints)
  # Ignoring package gensqlite-0.1 (incomatible with `available` constraints)
  # Ignoring package glMLite-0.03.51 (incomatible with `available` constraints)
  # Ignoring package glpk-0.1.7 (incomatible with `available` constraints)
  # Ignoring package gmp-freestanding-6.0.0 (incomatible with `available` constraints)
  # Ignoring package gmp-freestanding-6.0.0-1 (incomatible with `available` constraints)
  # Ignoring package gmp-freestanding-6.1.2 (incomatible with `available` constraints)
  # Ignoring package graphql_ppx-0.0.3 (incomatible with `available` constraints)
  # Ignoring package graphql_ppx-0.0.4 (incomatible with `available` constraints)
  # Ignoring package gtk-light-0.0.1 (incomatible with `available` constraints)
  # Ignoring package hardcaml-examples-0.2 (incomatible with `available` constraints)
  # Ignoring package hardcaml-waveterm-0.1.0 (incomatible with `available` constraints)
  # Ignoring package hdf-0.9.1 (incomatible with `available` constraints)
  # Ignoring package herelib-112.35.00 (incomatible with `available` constraints)
  # Ignoring package i2c-0.1.1-0 (incomatible with `available` constraints)
  # Ignoring package i2c-0.1.2-0 (incomatible with `available` constraints)
  # Ignoring package ibx-0.8.1 (incomatible with `available` constraints)
  # Ignoring package imaplet-lwt-0.1.15 (incomatible with `available` constraints)
  # Ignoring package immutable-0.0.14 (incomatible with `available` constraints)
  # Ignoring package immutable-0.0.15 (incomatible with `available` constraints)
  # Ignoring package incremental-113.00.00 (incomatible with `available` constraints)
  # Ignoring package incremental-113.33.03 (incomatible with `available` constraints)
  # Ignoring package incremental_kernel-113.33.03 (incomatible with `available` constraints)
  # Ignoring package inotify-1.4 (incomatible with `available` constraints)
  # Ignoring package inotify-1.5 (incomatible with `available` constraints)
  # Ignoring package inotify-2.1 (incomatible with `available` constraints)
  # Ignoring package inotify-2.2 (incomatible with `available` constraints)
  # Ignoring package inotify-2.3 (incomatible with `available` constraints)
  # Ignoring package ipaddr-1.0.0 (incomatible with `available` constraints)
  # Ignoring package ipaddr-2.6.0 (incomatible with `available` constraints)
  # Ignoring package ipaddr-2.6.1 (incomatible with `available` constraints)
  # Ignoring package ipaddr-2.7.1 (incomatible with `available` constraints)
  # Ignoring package jenga-113.00.00 (incomatible with `available` constraints)
  # Ignoring package jenga-113.33.03 (incomatible with `available` constraints)
  # Ignoring package js-build-tools-113.33.03 (incomatible with `available` constraints)
  # Ignoring package js_of_ocaml-2.6 (incomatible with `available` constraints)
  # Ignoring package js_of_ocaml-2.7 (incomatible with `available` constraints)
  # Ignoring package js_of_ocaml-2.8.3 (incomatible with `available` constraints)
  # Ignoring package js_of_ocaml-2.8.4 (incomatible with `available` constraints)
  # Ignoring package json-wheel-1.0.6+safe-string (incomatible with `available` constraints)
  # Ignoring package jsonm-1.0.0 (incomatible with `available` constraints)
  # Ignoring package jsoo_broadcastchannel-1.1 (incomatible with `available` constraints)
  # Ignoring package jsoo_storage-1.0 (incomatible with `available` constraints)
  # Ignoring package kafka-0.2 (incomatible with `available` constraints)
  # Ignoring package kaputt-1.1 (incomatible with `available` constraints)
  # Ignoring package ketrew-3.0.0 (incomatible with `available` constraints)
  # Ignoring package lablgtk-2.16.0 (incomatible with `available` constraints)
  # Ignoring package lablgtk-2.18.6 (incomatible with `available` constraints)
  # Ignoring package lablgtk-extras-1.4 (incomatible with `available` constraints)
  # Ignoring package lablgtkosx-2.00 (incomatible with `available` constraints)
  # Ignoring package lablgtkosx-2.01 (incomatible with `available` constraints)
  # Ignoring package lablqt-0.2 (incomatible with `available` constraints)
  # Ignoring package lablqt-0.3 (incomatible with `available` constraints)
  # Ignoring package lablqt-0.4 (incomatible with `available` constraints)
  # Ignoring package labltk-8.06.4 (incomatible with `available` constraints)
  # Ignoring package launchd-1.0 (incomatible with `available` constraints)
  # Ignoring package launchd-1.1 (incomatible with `available` constraints)
  # Ignoring package launchd-1.2 (incomatible with `available` constraints)
  # Ignoring package leveldb-1.0.2 (incomatible with `available` constraints)
  # Ignoring package leveldb-1.0.3 (incomatible with `available` constraints)
  # Ignoring package libra-tk-1.1.2 (incomatible with `available` constraints)
  # Ignoring package libsvm-0.9.3 (incomatible with `available` constraints)
  # Ignoring package libvirt-0.6.1.4 (incomatible with `available` constraints)
  # Ignoring package links-0.7.3 (incomatible with `available` constraints)
  # Ignoring package links-postgresql-0.7.3 (incomatible with `available` constraints)
  # Ignoring package logs-0.4.2 (incomatible with `available` constraints)
  # Ignoring package logs-0.5.0 (incomatible with `available` constraints)
  # Ignoring package logs-0.6.1 (incomatible with `available` constraints)
  # Ignoring package m17n-1.0 (incomatible with `available` constraints)
  # Ignoring package mascot-1.0 (incomatible with `available` constraints)
  # Ignoring package merlin-2.2 (incomatible with `available` constraints)
  # Ignoring package merlin-2.3 (incomatible with `available` constraints)
  # Ignoring package merlin-2.3.1 (incomatible with `available` constraints)
  # Ignoring package merlin-2.5.4 (incomatible with `available` constraints)
  # Ignoring package merlin-2.5.5 (incomatible with `available` constraints)
  # Ignoring package meta_conv-0.10.0 (incomatible with `available` constraints)
  # Ignoring package meta_conv-0.11.0 (incomatible with `available` constraints)
  # Ignoring package meta_conv-0.9.0 (incomatible with `available` constraints)
  # Ignoring package meta_conv-1.0.0 (incomatible with `available` constraints)
  # Ignoring package meta_conv-1.1.4 (incomatible with `available` constraints)
  # Ignoring package meta_conv-1.1.5 (incomatible with `available` constraints)
WARN: opam var ocaml-versio not found...
  # Ignoring package mezzo-0.0.m8 (incomatible with `available` constraints)
  # Ignoring package mikmatch-1.0.7 (incomatible with `available` constraints)
  # Ignoring package mindstorm-0.5.3 (incomatible with `available` constraints)
  # Ignoring package mindstorm-0.5.4 (incomatible with `available` constraints)
  # Ignoring package mirage-block-xen-0.3.1 (incomatible with `available` constraints)
  # Ignoring package mirage-block-xen-0.4.0 (incomatible with `available` constraints)
  # Ignoring package mirage-block-xen-1.3.0 (incomatible with `available` constraints)
  # Ignoring package mirage-block-xen-1.3.1 (incomatible with `available` constraints)
  # Ignoring package mirage-block-xen-1.4.0 (incomatible with `available` constraints)
  # Ignoring package mirage-entropy-0.4.0 (incomatible with `available` constraints)
  # Ignoring package mirage-net-xen-0.9.0 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-2.3.2 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-2.3.3 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-2.4.0 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-2.4.1 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-2.6.0 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-3.0.4 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-3.0.6 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-minios-0.7.0 (incomatible with OS unix)
  # Ignoring package mirage-xen-minios-0.8.0 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-minios-0.9.3 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-ocaml-2.3.1 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-ocaml-2.3.4 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-ocaml-2.6.0 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-ocaml-3.0.4 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-ocaml-3.0.5 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-posix-2.3.3 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-posix-2.3.4 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-posix-2.6.0 (incomatible with `available` constraints)
  # Ignoring package mirage-xen-posix-3.0.4 (incomatible with `available` constraints)
  # Ignoring package mldonkey-3.1.5 (incomatible with `available` constraints)
  # Ignoring package mlpost-0.8.1 (incomatible with `available` constraints)
  # Ignoring package mm-0.2.0 (incomatible with `available` constraints)
  # Ignoring package mm-0.2.1 (incomatible with `available` constraints)
  # Ignoring package modelica_ml-0.1.1 (incomatible with `available` constraints)
  # Ignoring package mysql-1.0.4 (incomatible with `available` constraints)
  # Ignoring package mysql-1.1.2 (incomatible with `available` constraints)
  # Ignoring package mysql-1.1.3 (incomatible with `available` constraints)
  # Ignoring package netlink-0.1.0 (incomatible with `available` constraints)
  # Ignoring package netlink-0.2.1 (incomatible with `available` constraints)
  # Ignoring package notty_async-0.1 (incomatible with `available` constraints)
  # Ignoring package npy-0.0.7 (incomatible with `available` constraints)
  # Ignoring package num-1.0 (incomatible with `available` constraints)
  # Ignoring package num-1.1 (incomatible with `available` constraints)
  # Ignoring package nunchaku-0.3 (incomatible with `available` constraints)
  # Ignoring package oasis-0.2.0 (incomatible with `available` constraints)
  # Ignoring package oasis-0.3.0 (incomatible with `available` constraints)
  # Ignoring package objsize-0.16 (incomatible with `available` constraints)
  # Ignoring package objsize-0.17 (incomatible with `available` constraints)
  # Ignoring package obrowser-1.1.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-basics-0.4.0 (incomatible with `available` constraints)
  # Ignoring package ocaml-freestanding-0.1.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-freestanding-0.2.2 (incomatible with `available` constraints)
  # Ignoring package ocaml-freestanding-0.2.3 (incomatible with `available` constraints)
  # Ignoring package ocaml-freestanding-0.3.0 (incomatible with `available` constraints)
  # Ignoring package ocaml-gist-0.0.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-indent-1.1.0 (incomatible with `available` constraints)
  # Ignoring package ocaml-indent-1.2.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-lua-1.4 (incomatible with `available` constraints)
  # Ignoring package ocaml-lua-1.5 (incomatible with `available` constraints)
  # Ignoring package ocaml-manual-4.04.0 (incomatible with `available` constraints)
  # Ignoring package ocaml-manual-4.06.0 (incomatible with `available` constraints)
  # Ignoring package ocaml-monadic-0.2.0 (incomatible with `available` constraints)
  # Ignoring package ocaml-src-3.12.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-src-4.04.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-src-4.04.2 (incomatible with `available` constraints)
  # Ignoring package ocaml-src-4.06.0 (incomatible with `available` constraints)
  # Ignoring package ocaml-src-4.06.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-topexpect-0.1 (incomatible with `available` constraints)
  # Ignoring package ocaml-topexpect-0.2 (incomatible with `available` constraints)
  # Ignoring package ocaml-topexpect-0.3 (incomatible with `available` constraints)
  # Ignoring package ocaml-webworker-0.0.1 (incomatible with `available` constraints)
  # Ignoring package ocaml_plugin-113.00.00 (incomatible with `available` constraints)
  # Ignoring package ocaml_plugin-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ocamlcc-1.0 (incomatible with `available` constraints)
  # Ignoring package ocamldap-2.1.8 (incomatible with `available` constraints)
  # Ignoring package ocamleditor-1.12.0 (incomatible with `available` constraints)
  # Ignoring package ocamleditor-1.13.3 (incomatible with `available` constraints)
  # Ignoring package ocamleditor-1.13.4 (incomatible with `available` constraints)
  # Ignoring package ocamleditor-1.9.0-2 (incomatible with `available` constraints)
  # Ignoring package ocamllint-0.1.0 (incomatible with `available` constraints)
  # Ignoring package ocamllint-0.2.0 (incomatible with `available` constraints)
  # Ignoring package ocamllint-0.3.0 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-3.5.1 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-3.6.3 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-3.6.5 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-3.7.4-1 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-3.7.6 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-3.7.7 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-4.0.2 (incomatible with `available` constraints)
  # Ignoring package ocamlnet-4.0.4 (incomatible with `available` constraints)
  # Ignoring package ocamlpp-1.0 (incomatible with `available` constraints)
  # Ignoring package ocamlspot-4.04.0.2.3.2 (incomatible with `available` constraints)
  # Ignoring package ocamlspot-4.06.0.2.3.2 (incomatible with `available` constraints)
  # Ignoring package ocamltter-3.0.0 (incomatible with `available` constraints)
  # Ignoring package ocamltter-4.0.1 (incomatible with `available` constraints)
  # Ignoring package ocamltter-4.0.2 (incomatible with `available` constraints)
  # Ignoring package ocapic-3.0 (incomatible with `available` constraints)
  # Ignoring package ocf-0.3.0 (incomatible with `available` constraints)
  # Ignoring package ocf-0.4.0 (incomatible with `available` constraints)
  # Ignoring package oci-0.3 (incomatible with `available` constraints)
  # Ignoring package ocp-build-1.99.17-beta (incomatible with `available` constraints)
  # Ignoring package ocp-build-1.99.8-beta (incomatible with `available` constraints)
  # Ignoring package ocp-build-1.99.9-beta (incomatible with `available` constraints)
  # Ignoring package ocp-indent-0.9.2 (incomatible with `available` constraints)
  # Ignoring package ocp-indent-1.4.1 (incomatible with `available` constraints)
  # Ignoring package ocp-index-0.1.0 (incomatible with `available` constraints)
  # Ignoring package ocp-index-0.2.0 (incomatible with `available` constraints)
  # Ignoring package ocp-index-0.3.0 (incomatible with `available` constraints)
  # Ignoring package ocp-index-1.0.2 (incomatible with `available` constraints)
  # Ignoring package ocp-index-1.0.3 (incomatible with `available` constraints)
  # Ignoring package ocp-manager-0.1.2 (incomatible with `available` constraints)
  # Ignoring package ocp-manager-0.1.3 (incomatible with `available` constraints)
  # Ignoring package ojs-base-0.3.0 (incomatible with `available` constraints)
  # Ignoring package ojs-base-0.4.0 (incomatible with `available` constraints)
  # Ignoring package oloop-0.1.2 (incomatible with `available` constraints)
  # Ignoring package omonad-0.2.0 (incomatible with `available` constraints)
  # Ignoring package oni-1.0.11 (incomatible with `available` constraints)
  # Ignoring package oni-1.0.12 (incomatible with `available` constraints)
  # Ignoring package opa-base-1.1.0+4263 (incomatible with OCaml version 4.05.0)
  # Ignoring package opam-depext-1.1.1 (incomatible with `available` constraints)
  # Ignoring package opam-depext-1.1.2 (incomatible with `available` constraints)
  # Ignoring package opam-doc-0.9.2 (incomatible with `available` constraints)
  # Ignoring package opam-doc-0.9.3 (incomatible with `available` constraints)
  # Ignoring package opam_of_packagejson-0.1.2 (incomatible with `available` constraints)
  # Ignoring package opasswd-0.9.3 (incomatible with `available` constraints)
  # Ignoring package opasswd-1.0.1 (incomatible with `available` constraints)
  # Ignoring package orakuda-2.0.0 (incomatible with `available` constraints)
  # Ignoring package ordma-0.0.3 (incomatible with `available` constraints)
  # Ignoring package ordma-0.0.4 (incomatible with `available` constraints)
  # Ignoring package orec-1.0 (incomatible with `available` constraints)
  # Ignoring package orm-0.6.3 (incomatible with `available` constraints)
  # Ignoring package orm-0.6.4 (incomatible with `available` constraints)
  # Ignoring package orocksdb-0.3.0 (incomatible with `available` constraints)
  # Ignoring package orocksdb-0.4.0 (incomatible with `available` constraints)
  # Ignoring package ospec-0.2.1 (incomatible with `available` constraints)
  # Ignoring package osx-acl-0.1.0 (incomatible with `available` constraints)
  # Ignoring package osx-attr-0.1.0 (incomatible with `available` constraints)
  # Ignoring package osx-attr-0.1.1 (incomatible with `available` constraints)
  # Ignoring package osx-attr-0.2.0 (incomatible with `available` constraints)
  # Ignoring package osx-attr-0.3.0 (incomatible with `available` constraints)
  # Ignoring package osx-cf-0.1.0 (incomatible with `available` constraints)
  # Ignoring package osx-cf-0.1.1 (incomatible with `available` constraints)
  # Ignoring package osx-fsevents-0.1.1 (incomatible with `available` constraints)
  # Ignoring package osx-fsevents-0.1.2 (incomatible with `available` constraints)
  # Ignoring package osx-fsevents-0.2.0 (incomatible with `available` constraints)
  # Ignoring package osx-membership-0.1.0 (incomatible with `available` constraints)
  # Ignoring package osx-mount-0.1.0 (incomatible with `available` constraints)
  # Ignoring package osx-mount-0.1.1 (incomatible with `available` constraints)
  # Ignoring package osx-plutil-0.5.0 (incomatible with `available` constraints)
  # Ignoring package osx-secure-transport-0.1.0 (incomatible with `available` constraints)
  # Ignoring package osx-xattr-0.1.0 (incomatible with `available` constraints)
  # Ignoring package osx-xattr-0.2.0 (incomatible with `available` constraints)
  # Ignoring package osx-xattr-0.3.0 (incomatible with `available` constraints)
  # Ignoring package otags-3.12.5 (incomatible with `available` constraints)
  # Ignoring package otags-4.00.1 (incomatible with `available` constraints)
  # Ignoring package otags-4.01.1 (incomatible with `available` constraints)
  # Ignoring package otr-0.1.0 (incomatible with `available` constraints)
  # Ignoring package otr-0.2.0 (incomatible with `available` constraints)
  # Ignoring package owl-0.3.7 (incomatible with `available` constraints)
  # Ignoring package owl-0.3.8 (incomatible with `available` constraints)
  # Ignoring package owl-base-0.3.7 (incomatible with `available` constraints)
  # Ignoring package owl-base-0.3.8 (incomatible with `available` constraints)
  # Ignoring package owl-top-0.3.7 (incomatible with `available` constraints)
  # Ignoring package owl-top-0.3.8 (incomatible with `available` constraints)
  # Ignoring package owl-zoo-0.3.7 (incomatible with `available` constraints)
  # Ignoring package owl-zoo-0.3.8 (incomatible with `available` constraints)
  # Ignoring package pa_bench-113.00.00 (incomatible with `available` constraints)
  # Ignoring package pa_bin_prot-113.00.00 (incomatible with `available` constraints)
  # Ignoring package pa_bin_prot-113.00.01 (incomatible with `available` constraints)
  # Ignoring package pa_do-0.8.15 (incomatible with `available` constraints)
  # Ignoring package pa_do-0.8.16 (incomatible with `available` constraints)
  # Ignoring package pa_fields_conv-113.00.00 (incomatible with `available` constraints)
  # Ignoring package pa_fields_conv-113.00.01 (incomatible with `available` constraints)
  # Ignoring package pa_ounit-112.35.00 (incomatible with `available` constraints)
  # Ignoring package pa_ounit-113.00.00 (incomatible with `available` constraints)
  # Ignoring package pa_sexp_conv-113.00.00 (incomatible with `available` constraints)
  # Ignoring package pa_sexp_conv-113.00.01 (incomatible with `available` constraints)
  # Ignoring package pa_structural_sexp-112.35.00 (incomatible with `available` constraints)
  # Ignoring package pa_structural_sexp-113.00.00 (incomatible with `available` constraints)
  # Ignoring package pa_test-112.24.00 (incomatible with `available` constraints)
  # Ignoring package pa_typerep_conv-113.00.00 (incomatible with `available` constraints)
  # Ignoring package pa_typerep_conv-113.00.01 (incomatible with `available` constraints)
  # Ignoring package pa_variants_conv-109.15.03 (incomatible with `available` constraints)
  # Ignoring package pa_variants_conv-109.15.04 (incomatible with `available` constraints)
  # Ignoring package partition_map-0.9.0 (incomatible with `available` constraints)
  # Ignoring package patdiff-113.00.00 (incomatible with `available` constraints)
  # Ignoring package patdiff-113.33.03 (incomatible with `available` constraints)
  # Ignoring package patience_diff-113.33.03 (incomatible with `available` constraints)
  # Ignoring package pci-0.2.0 (incomatible with `available` constraints)
  # Ignoring package pci-1.0.0 (incomatible with `available` constraints)
  # Ignoring package pci-1.0.1 (incomatible with `available` constraints)
  # Ignoring package perf-1.0 (incomatible with `available` constraints)
  # Ignoring package pfff-0.25.1 (incomatible with `available` constraints)
  # Ignoring package pfff-0.27.1 (incomatible with `available` constraints)
  # Ignoring package pfff-0.27.3 (incomatible with `available` constraints)
  # Ignoring package pfff-0.29 (incomatible with `available` constraints)
  # Ignoring package pipebang-113.00.00 (incomatible with `available` constraints)
  # Ignoring package planck-1.0.1 (incomatible with `available` constraints)
  # Ignoring package planck-2.0.1 (incomatible with `available` constraints)
  # Ignoring package planck-2.1.0 (incomatible with `available` constraints)
  # Ignoring package planck-2.1.1 (incomatible with `available` constraints)
  # Ignoring package planets-0.1.13 (incomatible with `available` constraints)
  # Ignoring package plasma-0.6.1 (incomatible with `available` constraints)
  # Ignoring package plasma-0.6.2 (incomatible with `available` constraints)
  # Ignoring package pomap-3.0.6 (incomatible with `available` constraints)
  # Ignoring package posixat-v0.9.0 (incomatible with `available` constraints)
  # Ignoring package posixat-v0.9.1 (incomatible with `available` constraints)
  # Ignoring package ppx_assert-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_assert-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_ast-v0.9.2 (incomatible with `available` constraints)
  # Ignoring package ppx_bench-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_bench-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_bigarray-0.0.0 (incomatible with `available` constraints)
  # Ignoring package ppx_bigarray-0.0.1 (incomatible with `available` constraints)
  # Ignoring package ppx_bigarray-0.1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_bin_prot-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_bin_prot-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_bitstring-1.2.0 (incomatible with `available` constraints)
  # Ignoring package ppx_bitstring-1.3.2 (incomatible with `available` constraints)
  # Ignoring package ppx_compare-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_compare-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_conv_func-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_conv_func-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_core-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_core-113.24.00 (incomatible with `available` constraints)
  # Ignoring package ppx_core-113.33.01+4.03 (incomatible with `available` constraints)
  # Ignoring package ppx_core-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_csv_conv-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_csv_conv-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_curried_constr-1.0.0 (incomatible with `available` constraints)
  # Ignoring package ppx_custom_printf-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_custom_printf-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_debugger-1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving-3.1 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving-3.2 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving-3.3 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving-4.0 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving-4.1 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving_crowbar-0.1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving_crowbar-0.1.1 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving_yojson-2.3 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving_yojson-2.4 (incomatible with `available` constraints)
  # Ignoring package ppx_deriving_yojson-3.0 (incomatible with `available` constraints)
  # Ignoring package ppx_driver-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_driver-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_driver-113.33.04 (incomatible with `available` constraints)
  # Ignoring package ppx_driver-v0.9.1 (incomatible with `available` constraints)
  # Ignoring package ppx_enumerate-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_enumerate-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_expect-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_fail-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_fail-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_fields_conv-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_fields_conv-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_here-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_here-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_implicits-0.1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_implicits-0.3.0 (incomatible with `available` constraints)
  # Ignoring package ppx_include-1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_inline_test-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_inline_test-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_jane-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_json_types-0.2 (incomatible with `available` constraints)
  # Ignoring package ppx_json_types-0.3 (incomatible with `available` constraints)
  # Ignoring package ppx_let-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_measure-1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_measure-1.1 (incomatible with `available` constraints)
  # Ignoring package ppx_netblob-1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_optcomp-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_optcomp-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_orakuda-2.0.1 (incomatible with `available` constraints)
  # Ignoring package ppx_overload-1.0.0 (incomatible with `available` constraints)
  # Ignoring package ppx_overload-1.0.1 (incomatible with `available` constraints)
  # Ignoring package ppx_pattern_guard-1.0.0 (incomatible with `available` constraints)
  # Ignoring package ppx_pattern_guard-1.0.1 (incomatible with `available` constraints)
  # Ignoring package ppx_pipebang-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_pipebang-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_regexp-0.2.0 (incomatible with `available` constraints)
  # Ignoring package ppx_sexp-0.3.0 (incomatible with `available` constraints)
  # Ignoring package ppx_sexp_conv-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_sexp_conv-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_sexp_message-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_sexp_value-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_sexp_value-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_test-0.0.1 (incomatible with `available` constraints)
  # Ignoring package ppx_tools-4.02.3 (incomatible with `available` constraints)
  # Ignoring package ppx_tools-4.03.0 (incomatible with `available` constraints)
  # Ignoring package ppx_tools-5.0 (incomatible with `available` constraints)
  # Ignoring package ppx_tools-5.0+4.03.0 (incomatible with `available` constraints)
  # Ignoring package ppx_tools-5.1+4.06.0 (incomatible with `available` constraints)
  # Ignoring package ppx_type_conv-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_type_conv-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_typerep_conv-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_typerep_conv-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_variants_conv-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_variants_conv-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppx_where-1.0 (incomatible with `available` constraints)
  # Ignoring package ppx_xml_conv-113.09.00 (incomatible with `available` constraints)
  # Ignoring package ppx_xml_conv-113.33.03 (incomatible with `available` constraints)
  # Ignoring package ppxx-1.2.0 (incomatible with `available` constraints)
  # Ignoring package ppxx-1.2.1 (incomatible with `available` constraints)
  # Ignoring package ppxx-1.3.1 (incomatible with `available` constraints)
  # Ignoring package ppxx-1.3.2 (incomatible with `available` constraints)
  # Ignoring package ppxx-1.4.0 (incomatible with `available` constraints)
  # Ignoring package qocamlbrowser-0.2.8 (incomatible with `available` constraints)
  # Ignoring package radis-0.1 (incomatible with `available` constraints)
  # Ignoring package rdbg-1.65 (incomatible with `available` constraints)
  # Ignoring package rdbg-1.70 (incomatible with `available` constraints)
  # Ignoring package rdf-0.10.0 (incomatible with `available` constraints)
  # Ignoring package rdf-0.9.0 (incomatible with `available` constraints)
  # Ignoring package re2-113.00.00 (incomatible with `available` constraints)
  # Ignoring package re2-113.33.03 (incomatible with `available` constraints)
  # Ignoring package reason-2.0.0 (incomatible with `available` constraints)
  # Ignoring package reason-parser-1.12.0 (incomatible with `available` constraints)
  # Ignoring package reason-parser-1.13.5 (incomatible with `available` constraints)
  # Ignoring package reason-parser-1.13.6 (incomatible with `available` constraints)
  # Ignoring package reason-parser-2.0.0 (incomatible with `available` constraints)
  # Ignoring package redis-0.2.2 (incomatible with `available` constraints)
  # Ignoring package redis-0.2.3 (incomatible with `available` constraints)
  # Ignoring package reed-solomon-erasure-1.0.1 (incomatible with `available` constraints)
  # Ignoring package reins-0.1a (incomatible with `available` constraints)
  # Ignoring package release-1.0.3 (incomatible with `available` constraints)
  # Ignoring package release-1.0.4 (incomatible with `available` constraints)
  # Ignoring package release-1.1.0 (incomatible with `available` constraints)
  # Ignoring package release-1.1.1 (incomatible with `available` constraints)
  # Ignoring package rml-1.08.05 (incomatible with `available` constraints)
  # Ignoring package rml-1.08.06 (incomatible with `available` constraints)
  # Ignoring package rpc-1.4.1 (incomatible with `available` constraints)
  # Ignoring package rpc-1.5.3 (incomatible with `available` constraints)
  # Ignoring package rpc-1.5.4 (incomatible with `available` constraints)
  # Ignoring package rpc_parallel-113.00.00 (incomatible with `available` constraints)
  # Ignoring package rpc_parallel-113.33.03 (incomatible with `available` constraints)
  # Ignoring package sanlock-0.0.9 (incomatible with `available` constraints)
  # Ignoring package sarek-20140620 (incomatible with `available` constraints)
  # Ignoring package seq-base (incomatible with `available` constraints)
  # Ignoring package sexplib-113.00.00 (incomatible with `available` constraints)
  # Ignoring package sexplib-113.24.00 (incomatible with `available` constraints)
  # Ignoring package sexplib-113.33.03 (incomatible with `available` constraints)
  # Ignoring package shcaml-0.1.3 (incomatible with `available` constraints)
  # Ignoring package slap-3.0.0 (incomatible with `available` constraints)
  # Ignoring package snappy-0.0.1 (incomatible with `available` constraints)
  # Ignoring package sociaml-facebook-api-0.4.1 (incomatible with `available` constraints)
  # Ignoring package socketcan-0.8.10-0 (incomatible with `available` constraints)
  # Ignoring package socketcan-0.8.11-0 (incomatible with `available` constraints)
  # Ignoring package socketcan-0.8.12-0 (incomatible with `available` constraints)
  # Ignoring package socketcan-0.8.7-0 (incomatible with `available` constraints)
  # Ignoring package socketcan-0.8.8-0 (incomatible with `available` constraints)
  # Ignoring package socketcan-0.8.9-0 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-muen-0.3.0 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-ukvm-0.1.1 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-ukvm-0.2.1 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-ukvm-0.2.2 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-ukvm-0.2.2-1 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-ukvm-0.3.0 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-virtio-0.1.1 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-virtio-0.2.1 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-virtio-0.2.2 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-virtio-0.2.2-1 (incomatible with `available` constraints)
  # Ignoring package solo5-kernel-virtio-0.3.0 (incomatible with `available` constraints)
  # Ignoring package solvuu_build-0.0.1 (incomatible with `available` constraints)
  # Ignoring package solvuu_build-0.0.2 (incomatible with `available` constraints)
  # Ignoring package sparrow-0.1 (incomatible with `available` constraints)
  # Ignoring package sparrow-0.2 (incomatible with `available` constraints)
  # Ignoring package spoc-20140620 (incomatible with `available` constraints)
  # Ignoring package spotlib_js-2.2.0_js (incomatible with `available` constraints)
  # Ignoring package sqlexpr-0.7.1 (incomatible with `available` constraints)
  # Ignoring package ssl-0.4.6 (incomatible with `available` constraints)
  # Ignoring package ssl-0.4.6a (incomatible with `available` constraints)
  # Ignoring package ssl-0.4.7 (incomatible with `available` constraints)
  # Ignoring package statmemprof-emacs-0.1.0 (incomatible with `available` constraints)
  # Ignoring package statsd-client-1.0.1 (incomatible with `available` constraints)
  # Ignoring package tallgeese-0.1 (incomatible with `available` constraints)
  # Ignoring package textutils-113.33.03 (incomatible with `available` constraints)
  # Ignoring package tiny_json_conv-1.4.0 (incomatible with `available` constraints)
  # Ignoring package tiny_json_conv-1.4.1 (incomatible with `available` constraints)
  # Ignoring package tophide-1.0.3 (incomatible with `available` constraints)
  # Ignoring package toplevel_expect_test-113.33.02 (incomatible with `available` constraints)
  # Ignoring package toplevel_expect_test-113.33.03 (incomatible with `available` constraints)
  # Ignoring package treeprint-1.0.2 (incomatible with `available` constraints)
  # Ignoring package treeprint-1.0.3 (incomatible with `available` constraints)
  # Ignoring package treeprint-2.0.0 (incomatible with `available` constraints)
  # Ignoring package treeprint-2.1.0 (incomatible with `available` constraints)
  # Ignoring package tryocaml-0.2.2 (incomatible with OCaml version 4.05.0)
  # Ignoring package type_conv-112.01.01 (incomatible with `available` constraints)
  # Ignoring package type_conv-112.01.02 (incomatible with `available` constraints)
  # Ignoring package type_conv-113.00.01 (incomatible with `available` constraints)
  # Ignoring package typerep-113.00.00 (incomatible with `available` constraints)
  # Ignoring package typerep-113.33.03 (incomatible with `available` constraints)
  # Ignoring package typerep_extended-113.00.00 (incomatible with `available` constraints)
  # Ignoring package typerep_extended-113.33.03 (incomatible with `available` constraints)
  # Ignoring package typerex-attic-1.0.0 (incomatible with `available` constraints)
  # Ignoring package typerex-build-1.99.17-beta (incomatible with `available` constraints)
  # Ignoring package typerex-lldb-1.0 (incomatible with `available` constraints)
  # Ignoring package typpx-1.2.1 (incomatible with `available` constraints)
  # Ignoring package typpx-1.2.2 (incomatible with `available` constraints)
  # Ignoring package typpx-1.4.2 (incomatible with `available` constraints)
  # Ignoring package typpx-1.4.3 (incomatible with `available` constraints)
  # Ignoring package unix-fcntl-0.2.0 (incomatible with `available` constraints)
  # Ignoring package unix-fcntl-0.3.4 (incomatible with `available` constraints)
  # Ignoring package unix-fcntl-0.3.5 (incomatible with `available` constraints)
  # Ignoring package unmagic-1.0.3 (incomatible with `available` constraints)
  # Ignoring package unmagic-1.0.4 (incomatible with `available` constraints)
  # Ignoring package usbmux-0.7 (incomatible with `available` constraints)
  # Ignoring package usbmux-0.8 (incomatible with `available` constraints)
  # Ignoring package usbmux-0.9 (incomatible with `available` constraints)
  # Ignoring package usbmux-1.1.0 (incomatible with `available` constraints)
  # Ignoring package usbmux-1.1.1 (incomatible with `available` constraints)
  # Ignoring package utop-1.17 (incomatible with `available` constraints)
  # Ignoring package utop-1.18.1 (incomatible with `available` constraints)
  # Ignoring package utop-1.18.2 (incomatible with `available` constraints)
  # Ignoring package utop-1.19.2 (incomatible with `available` constraints)
  # Ignoring package uutf-1.0.0 (incomatible with `available` constraints)
  # Ignoring package variantslib-113.33.03 (incomatible with `available` constraints)
  # Ignoring package vhd-format-0.7.0 (incomatible with `available` constraints)
  # Ignoring package vhd-format-0.7.1 (incomatible with `available` constraints)
  # Ignoring package vhd-format-0.8.0 (incomatible with `available` constraints)
  # Ignoring package vhd-format-0.9.1 (incomatible with `available` constraints)
  # Ignoring package vhd-format-0.9.2 (incomatible with `available` constraints)
  # Ignoring package vhd-format-lwt-0.9.1 (incomatible with `available` constraints)
  # Ignoring package vhd-format-lwt-0.9.2 (incomatible with `available` constraints)
  # Ignoring package vmnet-1.1.0 (incomatible with `available` constraints)
  # Ignoring package vmnet-1.2.0 (incomatible with `available` constraints)
  # Ignoring package vmnet-1.3.0 (incomatible with `available` constraints)
  # Ignoring package vmnet-1.3.1 (incomatible with `available` constraints)
  # Ignoring package webdav-1.1 (incomatible with `available` constraints)
  # Ignoring package wiringpi-0.0.1 (incomatible with `available` constraints)
  # Ignoring package wyrd-1.4.5 (incomatible with `available` constraints)
  # Ignoring package xapi-libs-transitional-1.0.1 (incomatible with `available` constraints)
  # Ignoring package xen-block-driver-0.2.4 (incomatible with `available` constraints)
  # Ignoring package xenbigarray-1.0.0 (incomatible with `available` constraints)
  # Ignoring package yaml-0.2.1 (incomatible with `available` constraints)
  # Ignoring package zero-109.21.00 (incomatible with `available` constraints)
  # Ignoring package zero-109.27.00 (incomatible with `available` constraints)
  # Ignoring package zero-109.28.00 (incomatible with `available` constraints)
  # Ignoring package zmq-4.0-1 (incomatible with `available` constraints)
  # Ignoring package zmq-4.0-2 (incomatible with `available` constraints)
  # Ignoring package zmq-4.0-3 (incomatible with `available` constraints)
  # Ignoring package zmq-4.0-4 (incomatible with `available` constraints)
  # Ignoring package zmq-4.0-5 (incomatible with `available` constraints)
  # Ignoring package zmq-4.0-6 (incomatible with `available` constraints)
  # Ignoring package zmq-4.0-7 (incomatible with `available` constraints)
Solved!
  - install conf-gmp   1                                        [required by zarith]
       conf-gmp.1
  - install ocamlbuild 0.12.0                                   [required by cmdliner]
       ocamlbuild.0.12.0
  - install conf-perl  1                                        [required by zarith]
       conf-perl.1
  - install jbuilder   1.0+beta20                               [required by lwt]
       jbuilder.1.0+beta20
  - install conf-m4    1                                        [required by ocamlfind]
       conf-m4.1
  - install result     1.3                                      [required by lwt]
       result.1.3
  - install ocamlfind  1.8.0                                    [required by ocp-build, lwt, zarith]
       ocamlfind.1.8.0
  - install zarith     1.7
       zarith.1.7
  - install topkg      0.9.1                                    [required by cmdliner]
       topkg.0.9.1
  - install base-bytes base                                     [required by cppo]
       base-bytes.base
  - install cmdliner   1.0.2                                    [required by ocp-build]
       cmdliner.1.0.2
  - install cppo       1.6.4                                    [required by lwt]
       cppo.1.6.4
  - install ocp-build  1.99.20-beta
       ocp-build.1.99.20-beta
  - install lwt        4.1.0
       lwt.4.1.0
error: illegal name: '.drv'

[et4te]

No longer experiencing this issue.

[samrose]

@et4te do you happen to know what the resolution of this issue was?