Dec 19 18:43:42.361 INFO checking crazymerlyn/kilo-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:43:42.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:43:42.785 INFO [stdout] 00126e4bae620113c646de78a4c3abfb8d6db03230cf2bb36666a23af1c15357
Dec 19 18:43:42.788 INFO running `"docker" "start" "-a" "00126e4bae620113c646de78a4c3abfb8d6db03230cf2bb36666a23af1c15357"`
Dec 19 18:43:43.962 INFO [stderr]     Checking termios v0.2.2
Dec 19 18:43:43.962 INFO [stderr]     Checking atty v0.1.2
Dec 19 18:43:44.253 INFO [stderr]     Checking termsize v0.1.4
Dec 19 18:43:44.493 INFO [stderr]     Checking kilo v0.1.0 (/opt/crater/workdir)
Dec 19 18:43:44.908 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.908 INFO [stderr]    --> src/main.rs:518:13
Dec 19 18:43:44.908 INFO [stderr]     |
Dec 19 18:43:44.908 INFO [stderr] 518 |         let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.908 INFO [stderr]     |             ----^^^
Dec 19 18:43:44.908 INFO [stderr]     |             |
Dec 19 18:43:44.908 INFO [stderr]     |             help: remove this `mut`
Dec 19 18:43:44.908 INFO [stderr]     |
Dec 19 18:43:44.908 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 18:43:44.908 INFO [stderr] 
Dec 19 18:43:44.914 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.914 INFO [stderr]    --> src/main.rs:536:17
Dec 19 18:43:44.914 INFO [stderr]     |
Dec 19 18:43:44.914 INFO [stderr] 536 |             let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.914 INFO [stderr]     |                 ----^^^
Dec 19 18:43:44.914 INFO [stderr]     |                 |
Dec 19 18:43:44.914 INFO [stderr]     |                 help: remove this `mut`
Dec 19 18:43:44.914 INFO [stderr] 
Dec 19 18:43:44.914 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.914 INFO [stderr]    --> src/main.rs:518:13
Dec 19 18:43:44.914 INFO [stderr]     |
Dec 19 18:43:44.914 INFO [stderr] 518 |         let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.914 INFO [stderr]     |             ----^^^
Dec 19 18:43:44.914 INFO [stderr]     |             |
Dec 19 18:43:44.914 INFO [stderr]     |             help: remove this `mut`
Dec 19 18:43:44.914 INFO [stderr]     |
Dec 19 18:43:44.914 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 18:43:44.914 INFO [stderr] 
Dec 19 18:43:44.914 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.914 INFO [stderr]    --> src/main.rs:536:17
Dec 19 18:43:44.914 INFO [stderr]     |
Dec 19 18:43:44.914 INFO [stderr] 536 |             let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.915 INFO [stderr]     |                 ----^^^
Dec 19 18:43:44.915 INFO [stderr]     |                 |
Dec 19 18:43:44.915 INFO [stderr]     |                 help: remove this `mut`
Dec 19 18:43:44.915 INFO [stderr] 
Dec 19 18:43:44.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 19 18:43:45.219 INFO running `"docker" "inspect" "00126e4bae620113c646de78a4c3abfb8d6db03230cf2bb36666a23af1c15357"`
Dec 19 18:43:45.327 INFO running `"docker" "rm" "-f" "00126e4bae620113c646de78a4c3abfb8d6db03230cf2bb36666a23af1c15357"`
Dec 19 18:43:45.483 INFO [stdout] 00126e4bae620113c646de78a4c3abfb8d6db03230cf2bb36666a23af1c15357