Dec 18 14:37:43.368 INFO checking kth-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:37:43.368 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/kth/0.1.0:/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 14:37:43.517 INFO [stdout] 2102c0035b65bc3c768ed863fb84f880bfec095ca748ffa41a63d315302ed064
Dec 18 14:37:43.522 INFO running `"docker" "start" "-a" "2102c0035b65bc3c768ed863fb84f880bfec095ca748ffa41a63d315302ed064"`
Dec 18 14:37:44.292 INFO [stderr] warning: `panic` setting is ignored for `test` profile
Dec 18 14:37:44.360 INFO [stderr]     Checking index-fixed v0.0.2
Dec 18 14:37:44.368 INFO [stderr]    Compiling kth v0.1.0 (/opt/crater/workdir)
Dec 18 14:37:46.404 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:37:46.404 INFO [stderr]   --> tests/slice.rs:34:17
Dec 18 14:37:46.404 INFO [stderr]    |
Dec 18 14:37:46.404 INFO [stderr] 34 |             let mut d = &mut d[..];
Dec 18 14:37:46.404 INFO [stderr]    |                 ----^
Dec 18 14:37:46.404 INFO [stderr]    |                 |
Dec 18 14:37:46.404 INFO [stderr]    |                 help: remove this `mut`
Dec 18 14:37:46.404 INFO [stderr]    |
Dec 18 14:37:46.404 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 14:37:46.404 INFO [stderr] 
Dec 18 14:37:46.441 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
Dec 18 14:37:46.807 INFO running `"docker" "inspect" "2102c0035b65bc3c768ed863fb84f880bfec095ca748ffa41a63d315302ed064"`
Dec 18 14:37:46.921 INFO running `"docker" "rm" "-f" "2102c0035b65bc3c768ed863fb84f880bfec095ca748ffa41a63d315302ed064"`
Dec 18 14:37:46.985 INFO [stdout] 2102c0035b65bc3c768ed863fb84f880bfec095ca748ffa41a63d315302ed064