Dec 05 07:00:16.526 INFO checking sea-canal-0.3.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 07:00:16.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 07:00:16.805 INFO [stdout] f9066d367fcf3701962ee2ba879fcd89184fc31299651dbc218871e61a9b305c
Dec 05 07:00:16.813 INFO running `"docker" "start" "-a" "f9066d367fcf3701962ee2ba879fcd89184fc31299651dbc218871e61a9b305c"`
Dec 05 07:00:17.918 INFO [stderr] usermod: no changes
Dec 05 07:00:17.945 INFO [stderr]     Checking sea-canal v0.3.0 (/source)
Dec 05 07:00:18.815 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:00:18.815 INFO [stderr]   --> src/pattern.rs:68:19
Dec 05 07:00:18.815 INFO [stderr]    |
Dec 05 07:00:18.815 INFO [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 05 07:00:18.815 INFO [stderr]    |                   ----^^^
Dec 05 07:00:18.815 INFO [stderr]    |                   |
Dec 05 07:00:18.815 INFO [stderr]    |                   help: remove this `mut`
Dec 05 07:00:18.815 INFO [stderr]    |
Dec 05 07:00:18.815 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:00:18.815 INFO [stderr] 
Dec 05 07:00:18.815 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:00:18.815 INFO [stderr]    --> src/pattern.rs:160:19
Dec 05 07:00:18.815 INFO [stderr]     |
Dec 05 07:00:18.815 INFO [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 05 07:00:18.815 INFO [stderr]     |                   ----^^^
Dec 05 07:00:18.815 INFO [stderr]     |                   |
Dec 05 07:00:18.815 INFO [stderr]     |                   help: remove this `mut`
Dec 05 07:00:18.815 INFO [stderr] 
Dec 05 07:00:19.215 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:00:19.215 INFO [stderr]   --> src/pattern.rs:68:19
Dec 05 07:00:19.215 INFO [stderr]    |
Dec 05 07:00:19.215 INFO [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 05 07:00:19.215 INFO [stderr]    |                   ----^^^
Dec 05 07:00:19.215 INFO [stderr]    |                   |
Dec 05 07:00:19.215 INFO [stderr]    |                   help: remove this `mut`
Dec 05 07:00:19.215 INFO [stderr]    |
Dec 05 07:00:19.215 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:00:19.215 INFO [stderr] 
Dec 05 07:00:19.235 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:00:19.235 INFO [stderr]    --> src/pattern.rs:160:19
Dec 05 07:00:19.235 INFO [stderr]     |
Dec 05 07:00:19.235 INFO [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Dec 05 07:00:19.235 INFO [stderr]     |                   ----^^^
Dec 05 07:00:19.235 INFO [stderr]     |                   |
Dec 05 07:00:19.235 INFO [stderr]     |                   help: remove this `mut`
Dec 05 07:00:19.235 INFO [stderr] 
Dec 05 07:00:20.064 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
Dec 05 07:00:20.077 INFO [stderr] su: No module specific data is present
Dec 05 07:00:20.472 INFO running `"docker" "inspect" "f9066d367fcf3701962ee2ba879fcd89184fc31299651dbc218871e61a9b305c"`
Dec 05 07:00:20.607 INFO running `"docker" "rm" "-f" "f9066d367fcf3701962ee2ba879fcd89184fc31299651dbc218871e61a9b305c"`
Dec 05 07:00:20.751 INFO [stdout] f9066d367fcf3701962ee2ba879fcd89184fc31299651dbc218871e61a9b305c