Dec 18 16:15:28.576 INFO checking gcmap-0.1.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:15:28.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/gcmap/0.1.4:/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 16:15:28.994 INFO [stdout] 17008b88949fe1343039bee206367ddf175d643c191747b2898a5962efb36d3d
Dec 18 16:15:28.996 INFO running `"docker" "start" "-a" "17008b88949fe1343039bee206367ddf175d643c191747b2898a5962efb36d3d"`
Dec 18 16:15:30.272 INFO [stderr]     Checking gcmap v0.1.4 (/opt/crater/workdir)
Dec 18 16:15:30.666 INFO [stderr] warning: unused variable: `mark`
Dec 18 16:15:30.666 INFO [stderr]    --> src/lib.rs:224:10
Dec 18 16:15:30.666 INFO [stderr]     |
Dec 18 16:15:30.666 INFO [stderr] 224 |     let (mark, _) = wm.insert(2, 8);
Dec 18 16:15:30.666 INFO [stderr]     |          ^^^^ help: consider using `_mark` instead
Dec 18 16:15:30.666 INFO [stderr]     |
Dec 18 16:15:30.666 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 16:15:30.666 INFO [stderr] 
Dec 18 16:15:30.666 INFO [stderr] warning: unused variable: `mark`
Dec 18 16:15:30.666 INFO [stderr]    --> src/lib.rs:251:47
Dec 18 16:15:30.666 INFO [stderr]     |
Dec 18 16:15:30.666 INFO [stderr] 251 |         let val = wm.entry(1).or_insert_with(|mark|2);
Dec 18 16:15:30.666 INFO [stderr]     |                                               ^^^^ help: consider using `_mark` instead
Dec 18 16:15:30.666 INFO [stderr] 
Dec 18 16:15:30.746 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 18 16:15:31.149 INFO running `"docker" "inspect" "17008b88949fe1343039bee206367ddf175d643c191747b2898a5962efb36d3d"`
Dec 18 16:15:31.289 INFO running `"docker" "rm" "-f" "17008b88949fe1343039bee206367ddf175d643c191747b2898a5962efb36d3d"`
Dec 18 16:15:31.419 INFO [stdout] 17008b88949fe1343039bee206367ddf175d643c191747b2898a5962efb36d3d