[INFO] fetching crate chunky 0.3.7...
[INFO] testing chunky-0.3.7 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate chunky 0.3.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate chunky 0.3.7 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 crates.io crate chunky 0.3.7
[INFO] finished tweaking crates.io crate chunky 0.3.7
[INFO] tweaked toml for crates.io crate chunky 0.3.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] d19f31f28d23ef874347e3d3296b8d2265e7ca8f4b76c60f0342ef1d1be6b673
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d19f31f28d23ef874347e3d3296b8d2265e7ca8f4b76c60f0342ef1d1be6b673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19f31f28d23ef874347e3d3296b8d2265e7ca8f4b76c60f0342ef1d1be6b673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19f31f28d23ef874347e3d3296b8d2265e7ca8f4b76c60f0342ef1d1be6b673", kill_on_drop: false }`
[INFO] [stdout] d19f31f28d23ef874347e3d3296b8d2265e7ca8f4b76c60f0342ef1d1be6b673
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c125dbe305d49c0de8c7e734d3459a18338f26a816ab512975e28340abc3e63c
[INFO] running `Command { std: "docker" "start" "-a" "c125dbe305d49c0de8c7e734d3459a18338f26a816ab512975e28340abc3e63c", kill_on_drop: false }`
[INFO] [stderr]    Compiling chunky v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(vec_resize_default)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/queue.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/queue.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chunky` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c125dbe305d49c0de8c7e734d3459a18338f26a816ab512975e28340abc3e63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c125dbe305d49c0de8c7e734d3459a18338f26a816ab512975e28340abc3e63c", kill_on_drop: false }`
[INFO] [stdout] c125dbe305d49c0de8c7e734d3459a18338f26a816ab512975e28340abc3e63c