Missing dependencies base ==4.9.*, megaparsec ==5.*

[ivanovsaleksejs]

Configuring yarn-lock-0.4.0...
CallStack (from HasCallStack):
  die', called at libraries/Cabal/Cabal/Distribution/Simple/Configure.hs:948:20 in Cabal-2.0.1.0:Distribution.Simple.Configure
  configureFinalizedPackage, called at libraries/Cabal/Cabal/Distribution/Simple/Configure.hs:470:12 in Cabal-2.0.1.0:Distribution.Simple.Configure
  configure, called at libraries/Cabal/Cabal/Distribution/Simple.hs:570:20 in Cabal-2.0.1.0:Distribution.Simple
  confHook, called at libraries/Cabal/Cabal/Distribution/Simple/UserHooks.hs:67:5 in Cabal-2.0.1.0:Distribution.Simple.UserHooks
  configureAction, called at libraries/Cabal/Cabal/Distribution/Simple.hs:174:19 in Cabal-2.0.1.0:Distribution.Simple
  defaultMainHelper, called at libraries/Cabal/Cabal/Distribution/Simple.hs:119:27 in Cabal-2.0.1.0:Distribution.Simple
  defaultMain, called at Setup.hs:2:8 in main:Main
Setup: Encountered missing dependencies:
base ==4.9.*, megaparsec ==5.*
note: keeping build directory '/tmp/nix-build-yarn-lock-0.4.0.drv-1'
builder for '/nix/store/is6g2wfn2vydm6qlxmjsgk3ri5598gnw-yarn-lock-0.4.0.drv' failed with exit code 1
cannot build derivation '/nix/store/bvg2siqpzmavcyykah6a1pl4smybsq6h-yarn2nix-0.5.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/dgp4q3mqi6hmx6jq7z5r6d9sflkzy3ls-system-path.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/xgaq2h59zrq61qnizw824pvv34laxriq-nixos-system-nixos-18.03.132021.c0c5571ec1a.drv': 1 dependencies couldn't be built
error: build of '/nix/store/xgaq2h59zrq61qnizw824pvv34laxriq-nixos-system-nixos-18.03.132021.c0c5571ec1a.drv' failed

NixOS version: 18.03.132021.c0c5571ec1a (Impala)

[zimbatm]

@ivanovsaleksejs this is a different yarn2nix project :)

see https://github.com/Profpatsch/yarn2nix