Dec 18 09:12:38.598 INFO checking workerpool-1.1.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:12:38.598 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:12:39.143 INFO [stdout] 453cb95c5d242a8a1b2e15de0783664770edc8b2761349a6327b741f1d9e4f39
Dec 18 09:12:39.146 INFO running `"docker" "start" "-a" "453cb95c5d242a8a1b2e15de0783664770edc8b2761349a6327b741f1d9e4f39"`
Dec 18 09:12:41.058 INFO [stderr]     Checking workerpool v1.1.1 (/opt/crater/workdir)
Dec 18 09:12:42.260 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:12:42.260 INFO [stderr]     --> src/lib.rs:1070:46
Dec 18 09:12:42.260 INFO [stderr]      |
Dec 18 09:12:42.260 INFO [stderr] 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Dec 18 09:12:42.260 INFO [stderr]      |                                              ^^^^^
Dec 18 09:12:42.260 INFO [stderr]      |
Dec 18 09:12:42.260 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 18 09:12:42.260 INFO [stderr] 
Dec 18 09:12:42.301 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 18 09:12:43.461 INFO running `"docker" "inspect" "453cb95c5d242a8a1b2e15de0783664770edc8b2761349a6327b741f1d9e4f39"`
Dec 18 09:12:43.776 INFO running `"docker" "rm" "-f" "453cb95c5d242a8a1b2e15de0783664770edc8b2761349a6327b741f1d9e4f39"`
Dec 18 09:12:44.043 INFO [stdout] 453cb95c5d242a8a1b2e15de0783664770edc8b2761349a6327b741f1d9e4f39