Dec 18 09:12:38.967 INFO checking workerpool-1.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:12:38.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/workerpool/1.1.1:/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 09:12:39.389 INFO [stdout] 4de9caa15fdb07494d60dfdf0003c8ab78b7c457742f1daac5bd051a98046421
Dec 18 09:12:39.394 INFO running `"docker" "start" "-a" "4de9caa15fdb07494d60dfdf0003c8ab78b7c457742f1daac5bd051a98046421"`
Dec 18 09:12:41.224 INFO [stderr]     Checking workerpool v1.1.1 (/opt/crater/workdir)
Dec 18 09:12:42.536 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:12:42.536 INFO [stderr]     --> src/lib.rs:1070:46
Dec 18 09:12:42.536 INFO [stderr]      |
Dec 18 09:12:42.536 INFO [stderr] 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Dec 18 09:12:42.536 INFO [stderr]      |                                              ^^^^^
Dec 18 09:12:42.536 INFO [stderr]      |
Dec 18 09:12:42.536 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 18 09:12:42.536 INFO [stderr] 
Dec 18 09:12:42.590 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Dec 18 09:12:43.425 INFO running `"docker" "inspect" "4de9caa15fdb07494d60dfdf0003c8ab78b7c457742f1daac5bd051a98046421"`
Dec 18 09:12:43.706 INFO running `"docker" "rm" "-f" "4de9caa15fdb07494d60dfdf0003c8ab78b7c457742f1daac5bd051a98046421"`
Dec 18 09:12:44.108 INFO [stdout] 4de9caa15fdb07494d60dfdf0003c8ab78b7c457742f1daac5bd051a98046421