Dec 18 10:19:24.845 INFO checking threadpool-1.7.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:19:24.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/threadpool/1.7.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:19:25.034 INFO [stdout] f88d680513d358266c109035f05e0c1f24ff12e2ab8f6a581a98e923e2ec7b25
Dec 18 10:19:25.054 INFO running `"docker" "start" "-a" "f88d680513d358266c109035f05e0c1f24ff12e2ab8f6a581a98e923e2ec7b25"`
Dec 18 10:19:25.764 INFO [stderr]     Checking threadpool v1.7.1 (/opt/crater/workdir)
Dec 18 10:19:26.532 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 10:19:26.532 INFO [stderr]    --> src/lib.rs:815:36
Dec 18 10:19:26.532 INFO [stderr]     |
Dec 18 10:19:26.532 INFO [stderr] 815 |             pool.execute(move || { 1 + 1; });
Dec 18 10:19:26.532 INFO [stderr]     |                                    ^^^^^
Dec 18 10:19:26.532 INFO [stderr]     |
Dec 18 10:19:26.532 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 10:19:26.532 INFO [stderr] 
Dec 18 10:19:26.559 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 18 10:19:27.172 INFO running `"docker" "inspect" "f88d680513d358266c109035f05e0c1f24ff12e2ab8f6a581a98e923e2ec7b25"`
Dec 18 10:19:27.564 INFO running `"docker" "rm" "-f" "f88d680513d358266c109035f05e0c1f24ff12e2ab8f6a581a98e923e2ec7b25"`
Dec 18 10:19:27.860 INFO [stdout] f88d680513d358266c109035f05e0c1f24ff12e2ab8f6a581a98e923e2ec7b25