Dec 17 17:29:25.437 INFO checking qjojo/rustkov against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:29:25.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/qjojo/rustkov:/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 17:29:25.848 INFO [stdout] 4fedcf585b2657458b1d47c049d30bb0cf313ebe8128524031d216e6b127f79b
Dec 17 17:29:25.850 INFO running `"docker" "start" "-a" "4fedcf585b2657458b1d47c049d30bb0cf313ebe8128524031d216e6b127f79b"`
Dec 17 17:29:27.868 INFO [stderr]     Checking rustkov v0.1.0 (/opt/crater/workdir)
Dec 17 17:29:28.212 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:29:28.212 INFO [stderr]   --> src/main.rs:33:13
Dec 17 17:29:28.212 INFO [stderr]    |
Dec 17 17:29:28.212 INFO [stderr] 33 |         let mut val = rng.gen_range(0.0, 1.0);
Dec 17 17:29:28.212 INFO [stderr]    |             ----^^^
Dec 17 17:29:28.212 INFO [stderr]    |             |
Dec 17 17:29:28.212 INFO [stderr]    |             help: remove this `mut`
Dec 17 17:29:28.212 INFO [stderr]    |
Dec 17 17:29:28.212 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 17:29:28.212 INFO [stderr] 
Dec 17 17:29:28.448 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:29:28.448 INFO [stderr]   --> src/main.rs:33:13
Dec 17 17:29:28.448 INFO [stderr]    |
Dec 17 17:29:28.448 INFO [stderr] 33 |         let mut val = rng.gen_range(0.0, 1.0);
Dec 17 17:29:28.448 INFO [stderr]    |             ----^^^
Dec 17 17:29:28.448 INFO [stderr]    |             |
Dec 17 17:29:28.448 INFO [stderr]    |             help: remove this `mut`
Dec 17 17:29:28.448 INFO [stderr]    |
Dec 17 17:29:28.448 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 17:29:28.448 INFO [stderr] 
Dec 17 17:29:28.490 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 17 17:29:29.700 INFO running `"docker" "inspect" "4fedcf585b2657458b1d47c049d30bb0cf313ebe8128524031d216e6b127f79b"`
Dec 17 17:29:30.048 INFO running `"docker" "rm" "-f" "4fedcf585b2657458b1d47c049d30bb0cf313ebe8128524031d216e6b127f79b"`
Dec 17 17:29:30.336 INFO [stdout] 4fedcf585b2657458b1d47c049d30bb0cf313ebe8128524031d216e6b127f79b