Dec 12 14:40:08.129 INFO checking gcmap-0.1.4 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:40:08.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 14:40:08.653 INFO [stdout] 21cba9d6af89e6f64e35117af874e1d6c91229882b57b101efdf8df4aacc2724
Dec 12 14:40:08.655 INFO running `"docker" "start" "-a" "21cba9d6af89e6f64e35117af874e1d6c91229882b57b101efdf8df4aacc2724"`
Dec 12 14:40:10.166 INFO [stderr] usermod: no changes
Dec 12 14:40:10.202 INFO [stderr]     Checking gcmap v0.1.4 (/source)
Dec 12 14:40:10.950 INFO [stderr] warning: unused variable: `mark`
Dec 12 14:40:10.950 INFO [stderr]    --> src/lib.rs:224:10
Dec 12 14:40:10.950 INFO [stderr]     |
Dec 12 14:40:10.950 INFO [stderr] 224 |     let (mark, _) = wm.insert(2, 8);
Dec 12 14:40:10.950 INFO [stderr]     |          ^^^^ help: consider using `_mark` instead
Dec 12 14:40:10.950 INFO [stderr]     |
Dec 12 14:40:10.950 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 14:40:10.950 INFO [stderr] 
Dec 12 14:40:10.950 INFO [stderr] warning: unused variable: `mark`
Dec 12 14:40:10.951 INFO [stderr]    --> src/lib.rs:251:47
Dec 12 14:40:10.951 INFO [stderr]     |
Dec 12 14:40:10.951 INFO [stderr] 251 |         let val = wm.entry(1).or_insert_with(|mark|2);
Dec 12 14:40:10.951 INFO [stderr]     |                                               ^^^^ help: consider using `_mark` instead
Dec 12 14:40:10.951 INFO [stderr] 
Dec 12 14:40:11.002 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 12 14:40:11.004 INFO [stderr] su: No module specific data is present
Dec 12 14:40:11.394 INFO running `"docker" "inspect" "21cba9d6af89e6f64e35117af874e1d6c91229882b57b101efdf8df4aacc2724"`
Dec 12 14:40:11.595 INFO running `"docker" "rm" "-f" "21cba9d6af89e6f64e35117af874e1d6c91229882b57b101efdf8df4aacc2724"`
Dec 12 14:40:11.928 INFO [stdout] 21cba9d6af89e6f64e35117af874e1d6c91229882b57b101efdf8df4aacc2724