Dec 18 10:44:18.865 INFO checking stoppable_thread-0.2.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:44:18.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/stoppable_thread/0.2.1:/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 10:44:19.078 INFO [stdout] 6a384bda58f3f19b1b653d92ef4b69a5d816ff87f0831047da86832dc3e89369
Dec 18 10:44:19.080 INFO running `"docker" "start" "-a" "6a384bda58f3f19b1b653d92ef4b69a5d816ff87f0831047da86832dc3e89369"`
Dec 18 10:44:19.692 INFO [stderr]     Checking stoppable_thread v0.2.1 (/opt/crater/workdir)
Dec 18 10:44:19.940 INFO [stderr] warning: unused variable: `stopping`
Dec 18 10:44:19.940 INFO [stderr]    --> src/lib.rs:225:13
Dec 18 10:44:19.940 INFO [stderr]     |
Dec 18 10:44:19.940 INFO [stderr] 225 |         let stopping = Stopping::new(spawn(move |stopped|
Dec 18 10:44:19.940 INFO [stderr]     |             ^^^^^^^^ help: consider using `_stopping` instead
Dec 18 10:44:19.940 INFO [stderr]     |
Dec 18 10:44:19.940 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 10:44:19.940 INFO [stderr] 
Dec 18 10:44:19.940 INFO [stderr] warning: unused variable: `joining`
Dec 18 10:44:19.940 INFO [stderr]    --> src/lib.rs:229:13
Dec 18 10:44:19.940 INFO [stderr]     |
Dec 18 10:44:19.940 INFO [stderr] 229 |         let joining = Joining::new(spawn(move |stopped|
Dec 18 10:44:19.941 INFO [stderr]     |             ^^^^^^^ help: consider using `_joining` instead
Dec 18 10:44:19.941 INFO [stderr] 
Dec 18 10:44:19.992 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Dec 18 10:44:20.254 INFO running `"docker" "inspect" "6a384bda58f3f19b1b653d92ef4b69a5d816ff87f0831047da86832dc3e89369"`
Dec 18 10:44:20.338 INFO running `"docker" "rm" "-f" "6a384bda58f3f19b1b653d92ef4b69a5d816ff87f0831047da86832dc3e89369"`
Dec 18 10:44:20.423 INFO [stdout] 6a384bda58f3f19b1b653d92ef4b69a5d816ff87f0831047da86832dc3e89369