Dec 18 11:28:44.389 INFO checking sea-canal-0.3.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:28:44.389 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/sea-canal/0.3.0:/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 11:28:44.623 INFO [stdout] 3f99e25a8debff7555faeeaf369f777d99fd2d5f25a803f266b8b02b7c8916ce
Dec 18 11:28:44.625 INFO running `"docker" "start" "-a" "3f99e25a8debff7555faeeaf369f777d99fd2d5f25a803f266b8b02b7c8916ce"`
Dec 18 11:28:45.141 INFO [stderr]     Checking sea-canal v0.3.0 (/opt/crater/workdir)
Dec 18 11:28:45.668 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:28:45.668 INFO [stderr]   --> src/pattern.rs:68:19
Dec 18 11:28:45.668 INFO [stderr]    |
Dec 18 11:28:45.668 INFO [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 18 11:28:45.668 INFO [stderr]    |                   ----^^^
Dec 18 11:28:45.668 INFO [stderr]    |                   |
Dec 18 11:28:45.668 INFO [stderr]    |                   help: remove this `mut`
Dec 18 11:28:45.668 INFO [stderr]    |
Dec 18 11:28:45.668 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 11:28:45.668 INFO [stderr] 
Dec 18 11:28:45.677 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:28:45.677 INFO [stderr]    --> src/pattern.rs:160:19
Dec 18 11:28:45.677 INFO [stderr]     |
Dec 18 11:28:45.677 INFO [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 18 11:28:45.677 INFO [stderr]     |                   ----^^^
Dec 18 11:28:45.677 INFO [stderr]     |                   |
Dec 18 11:28:45.677 INFO [stderr]     |                   help: remove this `mut`
Dec 18 11:28:45.677 INFO [stderr] 
Dec 18 11:28:45.744 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:28:45.744 INFO [stderr]   --> src/pattern.rs:68:19
Dec 18 11:28:45.744 INFO [stderr]    |
Dec 18 11:28:45.744 INFO [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 18 11:28:45.744 INFO [stderr]    |                   ----^^^
Dec 18 11:28:45.744 INFO [stderr]    |                   |
Dec 18 11:28:45.744 INFO [stderr]    |                   help: remove this `mut`
Dec 18 11:28:45.744 INFO [stderr]    |
Dec 18 11:28:45.744 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 11:28:45.744 INFO [stderr] 
Dec 18 11:28:45.744 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:28:45.744 INFO [stderr]    --> src/pattern.rs:160:19
Dec 18 11:28:45.744 INFO [stderr]     |
Dec 18 11:28:45.744 INFO [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 18 11:28:45.744 INFO [stderr]     |                   ----^^^
Dec 18 11:28:45.744 INFO [stderr]     |                   |
Dec 18 11:28:45.744 INFO [stderr]     |                   help: remove this `mut`
Dec 18 11:28:45.744 INFO [stderr] 
Dec 18 11:28:46.239 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 18 11:28:46.590 INFO running `"docker" "inspect" "3f99e25a8debff7555faeeaf369f777d99fd2d5f25a803f266b8b02b7c8916ce"`
Dec 18 11:28:46.682 INFO running `"docker" "rm" "-f" "3f99e25a8debff7555faeeaf369f777d99fd2d5f25a803f266b8b02b7c8916ce"`
Dec 18 11:28:46.781 INFO [stdout] 3f99e25a8debff7555faeeaf369f777d99fd2d5f25a803f266b8b02b7c8916ce