Dec 18 02:07:33.074 INFO checking crazymerlyn/kilo-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:07:33.074 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/crazymerlyn/kilo-rs:/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 02:07:33.638 INFO [stdout] 62b1c49992cfd5f50e2bcb00d37e0c4c211ac9741df6f41c8bdb10d7fb0b7e48
Dec 18 02:07:33.640 INFO running `"docker" "start" "-a" "62b1c49992cfd5f50e2bcb00d37e0c4c211ac9741df6f41c8bdb10d7fb0b7e48"`
Dec 18 02:07:35.544 INFO [stderr]     Blocking waiting for file lock on the registry index
Dec 18 02:07:35.769 INFO [stderr]     Checking termios v0.2.2
Dec 18 02:07:35.770 INFO [stderr]     Checking atty v0.1.2
Dec 18 02:07:36.152 INFO [stderr]     Checking termsize v0.1.4
Dec 18 02:07:36.464 INFO [stderr]     Checking kilo v0.1.0 (/opt/crater/workdir)
Dec 18 02:07:37.020 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:37.020 INFO [stderr]    --> src/main.rs:518:13
Dec 18 02:07:37.020 INFO [stderr]     |
Dec 18 02:07:37.020 INFO [stderr] 518 |         let mut row = &mut self.rows[self.cy];
Dec 18 02:07:37.020 INFO [stderr]     |             ----^^^
Dec 18 02:07:37.020 INFO [stderr]     |             |
Dec 18 02:07:37.020 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:37.020 INFO [stderr]     |
Dec 18 02:07:37.020 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 02:07:37.020 INFO [stderr] 
Dec 18 02:07:37.021 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:37.021 INFO [stderr]    --> src/main.rs:536:17
Dec 18 02:07:37.021 INFO [stderr]     |
Dec 18 02:07:37.021 INFO [stderr] 536 |             let mut row = &mut self.rows[self.cy];
Dec 18 02:07:37.021 INFO [stderr]     |                 ----^^^
Dec 18 02:07:37.021 INFO [stderr]     |                 |
Dec 18 02:07:37.021 INFO [stderr]     |                 help: remove this `mut`
Dec 18 02:07:37.021 INFO [stderr] 
Dec 18 02:07:37.185 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:37.185 INFO [stderr]    --> src/main.rs:518:13
Dec 18 02:07:37.186 INFO [stderr]     |
Dec 18 02:07:37.186 INFO [stderr] 518 |         let mut row = &mut self.rows[self.cy];
Dec 18 02:07:37.186 INFO [stderr]     |             ----^^^
Dec 18 02:07:37.186 INFO [stderr]     |             |
Dec 18 02:07:37.186 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:37.186 INFO [stderr]     |
Dec 18 02:07:37.186 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 02:07:37.186 INFO [stderr] 
Dec 18 02:07:37.186 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:37.187 INFO [stderr]    --> src/main.rs:536:17
Dec 18 02:07:37.187 INFO [stderr]     |
Dec 18 02:07:37.187 INFO [stderr] 536 |             let mut row = &mut self.rows[self.cy];
Dec 18 02:07:37.187 INFO [stderr]     |                 ----^^^
Dec 18 02:07:37.187 INFO [stderr]     |                 |
Dec 18 02:07:37.187 INFO [stderr]     |                 help: remove this `mut`
Dec 18 02:07:37.187 INFO [stderr] 
Dec 18 02:07:37.245 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 18 02:07:38.066 INFO running `"docker" "inspect" "62b1c49992cfd5f50e2bcb00d37e0c4c211ac9741df6f41c8bdb10d7fb0b7e48"`
Dec 18 02:07:38.342 INFO running `"docker" "rm" "-f" "62b1c49992cfd5f50e2bcb00d37e0c4c211ac9741df6f41c8bdb10d7fb0b7e48"`
Dec 18 02:07:38.644 INFO [stdout] 62b1c49992cfd5f50e2bcb00d37e0c4c211ac9741df6f41c8bdb10d7fb0b7e48