Dec 18 16:15:30.458 INFO checking gcmap-0.1.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:15:30.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:15:30.724 INFO [stdout] b09017b6d3c2a7fa5e718d19d412538aec6ef9ae415eaa5a8286dead515c313e
Dec 18 16:15:30.746 INFO running `"docker" "start" "-a" "b09017b6d3c2a7fa5e718d19d412538aec6ef9ae415eaa5a8286dead515c313e"`
Dec 18 16:15:31.528 INFO [stderr]     Checking gcmap v0.1.4 (/opt/crater/workdir)
Dec 18 16:15:31.862 INFO [stderr] warning: unused variable: `mark`
Dec 18 16:15:31.862 INFO [stderr]    --> src/lib.rs:224:10
Dec 18 16:15:31.862 INFO [stderr]     |
Dec 18 16:15:31.862 INFO [stderr] 224 |     let (mark, _) = wm.insert(2, 8);
Dec 18 16:15:31.862 INFO [stderr]     |          ^^^^ help: consider using `_mark` instead
Dec 18 16:15:31.862 INFO [stderr]     |
Dec 18 16:15:31.862 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 16:15:31.862 INFO [stderr] 
Dec 18 16:15:31.862 INFO [stderr] warning: unused variable: `mark`
Dec 18 16:15:31.862 INFO [stderr]    --> src/lib.rs:251:47
Dec 18 16:15:31.862 INFO [stderr]     |
Dec 18 16:15:31.862 INFO [stderr] 251 |         let val = wm.entry(1).or_insert_with(|mark|2);
Dec 18 16:15:31.862 INFO [stderr]     |                                               ^^^^ help: consider using `_mark` instead
Dec 18 16:15:31.862 INFO [stderr] 
Dec 18 16:15:31.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 18 16:15:32.180 INFO running `"docker" "inspect" "b09017b6d3c2a7fa5e718d19d412538aec6ef9ae415eaa5a8286dead515c313e"`
Dec 18 16:15:32.287 INFO running `"docker" "rm" "-f" "b09017b6d3c2a7fa5e718d19d412538aec6ef9ae415eaa5a8286dead515c313e"`
Dec 18 16:15:32.400 INFO [stdout] b09017b6d3c2a7fa5e718d19d412538aec6ef9ae415eaa5a8286dead515c313e