nightly build failing on CI

[clux]

Not quite sure what's happening here. I can't reproduce the failure locally;

from master branch:

export RUST_DATE=$(date +"%Y-%m-%d")
export RUST_CHANNEL="nightly-${RUST_DATE}"
docker build --build-arg CHANNEL="${RUST_CHANNEL}" -t clux/muslrust 

same as .travis's file... outputs:

Step 4/15 : ARG CHANNEL="nightly"
 ---> Running in d69e34552624
Removing intermediate container d69e34552624
 ---> 5f42a29ca322
Step 5/15 : ENV RUSTUP_VER="1.22.1"     RUST_ARCH="x86_64-unknown-linux-gnu"
 ---> Running in 1bcf3c6e8a33
Removing intermediate container 1bcf3c6e8a33
 ---> 07d46ca15e83
Step 6/15 : RUN curl "https://static.rust-lang.org/rustup/archive/${RUSTUP_VER}/${RUST_ARCH}/rustup-init" -o rustup-init &&     chmod +x rustup-init &&     ./rustup-init -y --default-toolchain ${CHANNEL} --profile minimal &&     rm rustup-init &&     ~/.cargo/bin/rustup target add x86_64-unknown-linux-musl &&     echo "[build]\ntarget = \"x86_64-unknown-linux-musl\"" > ~/.cargo/config
 ---> Running in d67c0b574abf
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 11.8M  100 11.8M    0     0  1334k      0  0:00:09  0:00:09 --:--:-- 1276k
info: profile set to 'minimal'
info: default host triple is x86_64-unknown-linux-gnu
info: syncing channel updates for 'nightly-2020-08-28-x86_64-unknown-linux-gnu'
info: latest update on 2020-08-28, rust version 1.48.0-nightly (397b390cc 2020-08-27)
info: downloading component 'cargo'
info: downloading component 'rust-std'
info: downloading component 'rustc'
info: installing component 'cargo'
info: Defaulting to 500.0 MiB unpack ram
info: installing component 'rust-std'
info: installing component 'rustc'
info: default toolchain set to 'nightly-2020-08-28'

  nightly-2020-08-28 installed - rustc 1.48.0-nightly (397b390cc 2020-08-27)

Rust is installed now. Great!

To get started you need Cargo's bin directory ($HOME/.cargo/bin) in your PATH
environment variable. Next time you log in this will be done
automatically.

To configure your current shell run source $HOME/.cargo/env
info: downloading component 'rust-std' for 'x86_64-unknown-linux-musl'
info: installing component 'rust-std' for 'x86_64-unknown-linux-musl'
info: Defaulting to 500.0 MiB unpack ram
Removing intermediate container d67c0b574abf
 ---> 4dfb92ee545a

i.e. successful.

Unfortunately, the same nightly with the same build params fail on CI:

 ---> e0dac83b655a
Step 4/15 : ARG CHANNEL="nightly"
 ---> Running in 0b4292fce16d
Removing intermediate container 0b4292fce16d
 ---> 7520b17d970e
Step 5/15 : ENV RUSTUP_VER="1.22.1"     RUST_ARCH="x86_64-unknown-linux-gnu"
 ---> Running in aad5b1abd645
Removing intermediate container aad5b1abd645
 ---> f7813371fcfe
Step 6/15 : RUN curl "https://static.rust-lang.org/rustup/archive/${RUSTUP_VER}/${RUST_ARCH}/rustup-init" -o rustup-init &&     chmod +x rustup-init &&     ./rustup-init -y --default-toolchain ${CHANNEL} --profile minimal &&     rm rustup-init &&     ~/.cargo/bin/rustup target add x86_64-unknown-linux-musl &&     echo "[build]\ntarget = \"x86_64-unknown-linux-musl\"" > ~/.cargo/config
 ---> Running in 48fa9c78388a
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 11.8M  100 11.8M    0     0   9.9M      0  0:00:01  0:00:01 --:--:--  9.9M
info: profile set to 'minimal'
info: default host triple is x86_64-unknown-linux-gnu
info: syncing channel updates for 'nightly-2020-08-28-x86_64-unknown-linux-gnu'
info: latest update on 2020-08-28, rust version 1.48.0-nightly (397b390cc 2020-08-27)
info: downloading component 'cargo'
info: downloading component 'rust-std'
error: component download failed for rust-std-x86_64-unknown-linux-gnu
error: caused by: could not download file
The command '/bin/sh -c curl "https://static.rust-lang.org/rustup/archive/${RUSTUP_VER}/${RUST_AR

i.e. failing to download the rust-std component. Not sure what's causing that. It did take a while to download, but this is nightly only :thinking:

error from a few days ago was similar:

info: syncing channel updates for 'nightly-2020-08-25-x86_64-unknown-linux-gnu'
error: no release found for 'nightly-2020-08-25'

and

info: syncing channel updates for 'nightly-2020-08-23-x86_64-unknown-linux-gnu'
error: no release found for 'nightly-2020-08-23'

maybe we are too quick? maybe we just run the cron job at the wrong time.

[clux]

rebuild gets further: https://travis-ci.org/github/clux/muslrust/builds/721868712

this might just be a bad timing issue

[clux]

nightlies are back