[INFO] cloning repository https://github.com/monsieurbadia/unitest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monsieurbadia/unitest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonsieurbadia%2Funitest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonsieurbadia%2Funitest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2f0ec588d797481bfcd59290d2547a1c3234420
[INFO] testing monsieurbadia/unitest against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonsieurbadia%2Funitest" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/monsieurbadia/unitest on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/monsieurbadia/unitest
[INFO] finished tweaking git repo https://github.com/monsieurbadia/unitest
[INFO] tweaked toml for git repo https://github.com/monsieurbadia/unitest written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/monsieurbadia/unitest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/monsieurbadia/uwa`
[INFO] [stderr]     Updating git repository `https://github.com/monsieurbadia/unitest`
[INFO] [stderr]     Updating git repository `https://github.com/monsieurbadia/utilcase`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22e0407c114f1b4c87f484dd7ae6109934259255b5fbb4010174b5d7376909ae
[INFO] running `Command { std: "docker" "start" "-a" "22e0407c114f1b4c87f484dd7ae6109934259255b5fbb4010174b5d7376909ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e0407c114f1b4c87f484dd7ae6109934259255b5fbb4010174b5d7376909ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e0407c114f1b4c87f484dd7ae6109934259255b5fbb4010174b5d7376909ae", kill_on_drop: false }`
[INFO] [stdout] 22e0407c114f1b4c87f484dd7ae6109934259255b5fbb4010174b5d7376909ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e3cf6dc2fcce2f398e74d5dd25785dca45a43b4e72001ecb02aac5a7f83e16d
[INFO] running `Command { std: "docker" "start" "-a" "1e3cf6dc2fcce2f398e74d5dd25785dca45a43b4e72001ecb02aac5a7f83e16d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling unitest v0.1.0 (https://github.com/monsieurbadia/unitest#e4cd60de)
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling unitest-native v0.1.0 (/opt/rustwide/workdir/framework/unitest-native)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/unitest-d1a323e94f5927ff/e4cd60d/framework/unitest/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> framework/unitest-native/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unitest` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1e3cf6dc2fcce2f398e74d5dd25785dca45a43b4e72001ecb02aac5a7f83e16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3cf6dc2fcce2f398e74d5dd25785dca45a43b4e72001ecb02aac5a7f83e16d", kill_on_drop: false }`
[INFO] [stdout] 1e3cf6dc2fcce2f398e74d5dd25785dca45a43b4e72001ecb02aac5a7f83e16d