Dec 18 10:19:24.502 INFO checking threadpool-1.7.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:19:24.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:19:24.679 INFO [stdout] fa8bb0cc38bd4c9d2635834481b2fd0b50ab35b4074046a41de1723e67cb568f
Dec 18 10:19:24.681 INFO running `"docker" "start" "-a" "fa8bb0cc38bd4c9d2635834481b2fd0b50ab35b4074046a41de1723e67cb568f"`
Dec 18 10:19:25.349 INFO [stderr]     Checking threadpool v1.7.1 (/opt/crater/workdir)
Dec 18 10:19:25.940 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 10:19:25.940 INFO [stderr]    --> src/lib.rs:815:36
Dec 18 10:19:25.940 INFO [stderr]     |
Dec 18 10:19:25.940 INFO [stderr] 815 |             pool.execute(move || { 1 + 1; });
Dec 18 10:19:25.940 INFO [stderr]     |                                    ^^^^^
Dec 18 10:19:25.940 INFO [stderr]     |
Dec 18 10:19:25.940 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 10:19:25.940 INFO [stderr] 
Dec 18 10:19:25.962 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 18 10:19:26.440 INFO running `"docker" "inspect" "fa8bb0cc38bd4c9d2635834481b2fd0b50ab35b4074046a41de1723e67cb568f"`
Dec 18 10:19:26.652 INFO running `"docker" "rm" "-f" "fa8bb0cc38bd4c9d2635834481b2fd0b50ab35b4074046a41de1723e67cb568f"`
Dec 18 10:19:26.952 INFO [stdout] fa8bb0cc38bd4c9d2635834481b2fd0b50ab35b4074046a41de1723e67cb568f