[INFO] updating cached repository https://github.com/brdgme/fuzz
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b70621789e8baa9f8e785c175a27fcf19ab027a3
[INFO] testing brdgme/fuzz against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Ffuzz" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brdgme/fuzz on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brdgme/fuzz
[INFO] finished tweaking git repo https://github.com/brdgme/fuzz
[INFO] tweaked toml for git repo https://github.com/brdgme/fuzz written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/brdgme/fuzz already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 8b06f5a456841850939203acab5478b9faaf6485031c29f2a1776d23619633e3
[INFO] running `"docker" "start" "-a" "8b06f5a456841850939203acab5478b9faaf6485031c29f2a1776d23619633e3"`
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling brdgme-color v0.1.0 (https://github.com/brdgme/color.git#34fde167)
[INFO] [stderr]    Compiling brdgme-markup v0.1.0 (https://github.com/brdgme/markup.git#aac7e8e8)
[INFO] [stderr]    Compiling brdgme-game v0.1.0 (https://github.com/brdgme/game.git#4da0185a)
[INFO] [stderr]    Compiling brdgme-cmd v0.1.0 (https://github.com/brdgme/cmd.git#b91ef50d)
[INFO] [stderr]    Compiling brdgme-rand-bot v0.1.0 (https://github.com/brdgme/rand-bot.git#6de2d0ad)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/rand-bot-af1d1d1547c99a64/6de2d0a/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `brdgme-rand-bot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8b06f5a456841850939203acab5478b9faaf6485031c29f2a1776d23619633e3"`
[INFO] running `"docker" "rm" "-f" "8b06f5a456841850939203acab5478b9faaf6485031c29f2a1776d23619633e3"`
[INFO] [stdout] 8b06f5a456841850939203acab5478b9faaf6485031c29f2a1776d23619633e3