Dec 19 18:43:41.069 INFO checking crazymerlyn/kilo-rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:43:41.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:43:41.712 INFO [stdout] 20db82d63132e92fa322ed80abf4b46e40e4d84e3dec91458c69f4888c8e63ae
Dec 19 18:43:41.714 INFO running `"docker" "start" "-a" "20db82d63132e92fa322ed80abf4b46e40e4d84e3dec91458c69f4888c8e63ae"`
Dec 19 18:43:43.317 INFO [stderr]     Checking termios v0.2.2
Dec 19 18:43:43.321 INFO [stderr]     Checking atty v0.1.2
Dec 19 18:43:43.593 INFO [stderr]     Checking termsize v0.1.4
Dec 19 18:43:43.822 INFO [stderr]     Checking kilo v0.1.0 (/opt/crater/workdir)
Dec 19 18:43:44.269 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.269 INFO [stderr]    --> src/main.rs:518:13
Dec 19 18:43:44.269 INFO [stderr]     |
Dec 19 18:43:44.269 INFO [stderr] 518 |         let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.269 INFO [stderr]     |             ----^^^
Dec 19 18:43:44.269 INFO [stderr]     |             |
Dec 19 18:43:44.269 INFO [stderr]     |             help: remove this `mut`
Dec 19 18:43:44.269 INFO [stderr]     |
Dec 19 18:43:44.269 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 18:43:44.269 INFO [stderr] 
Dec 19 18:43:44.270 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.276 INFO [stderr]    --> src/main.rs:536:17
Dec 19 18:43:44.276 INFO [stderr]     |
Dec 19 18:43:44.276 INFO [stderr] 536 |             let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.276 INFO [stderr]     |                 ----^^^
Dec 19 18:43:44.276 INFO [stderr]     |                 |
Dec 19 18:43:44.276 INFO [stderr]     |                 help: remove this `mut`
Dec 19 18:43:44.276 INFO [stderr] 
Dec 19 18:43:44.381 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.381 INFO [stderr]    --> src/main.rs:518:13
Dec 19 18:43:44.381 INFO [stderr]     |
Dec 19 18:43:44.381 INFO [stderr] 518 |         let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.381 INFO [stderr]     |             ----^^^
Dec 19 18:43:44.381 INFO [stderr]     |             |
Dec 19 18:43:44.381 INFO [stderr]     |             help: remove this `mut`
Dec 19 18:43:44.381 INFO [stderr]     |
Dec 19 18:43:44.381 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 18:43:44.381 INFO [stderr] 
Dec 19 18:43:44.382 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:43:44.382 INFO [stderr]    --> src/main.rs:536:17
Dec 19 18:43:44.382 INFO [stderr]     |
Dec 19 18:43:44.382 INFO [stderr] 536 |             let mut row = &mut self.rows[self.cy];
Dec 19 18:43:44.382 INFO [stderr]     |                 ----^^^
Dec 19 18:43:44.382 INFO [stderr]     |                 |
Dec 19 18:43:44.382 INFO [stderr]     |                 help: remove this `mut`
Dec 19 18:43:44.382 INFO [stderr] 
Dec 19 18:43:44.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 19 18:43:44.962 INFO running `"docker" "inspect" "20db82d63132e92fa322ed80abf4b46e40e4d84e3dec91458c69f4888c8e63ae"`
Dec 19 18:43:45.048 INFO running `"docker" "rm" "-f" "20db82d63132e92fa322ed80abf4b46e40e4d84e3dec91458c69f4888c8e63ae"`
Dec 19 18:43:45.157 INFO [stdout] 20db82d63132e92fa322ed80abf4b46e40e4d84e3dec91458c69f4888c8e63ae