Dec 17 19:12:30.216 INFO checking mtn/slate against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:12:30.216 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/mtn/slate:/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 17 19:12:30.704 INFO [stdout] 37851e6c8216cfa4f7ec0ab12845c29c02bbb392f1258e66627c5d1419f8a6fa
Dec 17 19:12:30.706 INFO running `"docker" "start" "-a" "37851e6c8216cfa4f7ec0ab12845c29c02bbb392f1258e66627c5d1419f8a6fa"`
Dec 17 19:12:32.152 INFO [stderr]     Checking slate v0.1.0 (/opt/crater/workdir)
Dec 17 19:12:32.880 INFO [stderr] warning: unused variable: `a`
Dec 17 19:12:32.880 INFO [stderr]   --> src/main.rs:42:9
Dec 17 19:12:32.880 INFO [stderr]    |
Dec 17 19:12:32.880 INFO [stderr] 42 |     let a = slatelib::Slate { num_blocks: 1 };
Dec 17 19:12:32.880 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 17 19:12:32.880 INFO [stderr]    |
Dec 17 19:12:32.880 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:12:32.880 INFO [stderr] 
Dec 17 19:12:32.952 INFO [stderr] warning: unused variable: `a`
Dec 17 19:12:32.952 INFO [stderr]   --> src/main.rs:42:9
Dec 17 19:12:32.952 INFO [stderr]    |
Dec 17 19:12:32.952 INFO [stderr] 42 |     let a = slatelib::Slate { num_blocks: 1 };
Dec 17 19:12:32.952 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 17 19:12:32.952 INFO [stderr]    |
Dec 17 19:12:32.952 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:12:32.952 INFO [stderr] 
Dec 17 19:12:32.970 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Dec 17 19:12:33.599 INFO running `"docker" "inspect" "37851e6c8216cfa4f7ec0ab12845c29c02bbb392f1258e66627c5d1419f8a6fa"`
Dec 17 19:12:33.958 INFO running `"docker" "rm" "-f" "37851e6c8216cfa4f7ec0ab12845c29c02bbb392f1258e66627c5d1419f8a6fa"`
Dec 17 19:12:34.293 INFO [stdout] 37851e6c8216cfa4f7ec0ab12845c29c02bbb392f1258e66627c5d1419f8a6fa