Dec 18 16:54:37.505 INFO checking dudect-bencher-0.3.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:54:37.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/dudect-bencher/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 16:54:37.685 INFO [stdout] 02df9cccfdf65f70c3968cd0036966bdfb59d4531d6e6571b9fc9e279d94521a
Dec 18 16:54:37.687 INFO running `"docker" "start" "-a" "02df9cccfdf65f70c3968cd0036966bdfb59d4531d6e6571b9fc9e279d94521a"`
Dec 18 16:54:38.258 INFO [stderr]     Checking ctrlc v3.1.1
Dec 18 16:54:38.856 INFO [stderr]     Checking dudect-bencher v0.3.0 (/opt/crater/workdir)
Dec 18 16:54:39.712 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:54:39.712 INFO [stderr]    --> src/ctbench.rs:301:31
Dec 18 16:54:39.712 INFO [stderr]     |
Dec 18 16:54:39.712 INFO [stderr] 301 |     cb.file_out.as_mut().map(|mut f| {
Dec 18 16:54:39.712 INFO [stderr]     |                               ----^
Dec 18 16:54:39.712 INFO [stderr]     |                               |
Dec 18 16:54:39.712 INFO [stderr]     |                               help: remove this `mut`
Dec 18 16:54:39.712 INFO [stderr]     |
Dec 18 16:54:39.712 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:54:39.712 INFO [stderr] 
Dec 18 16:54:39.782 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:54:39.782 INFO [stderr]    --> src/ctbench.rs:301:31
Dec 18 16:54:39.782 INFO [stderr]     |
Dec 18 16:54:39.782 INFO [stderr] 301 |     cb.file_out.as_mut().map(|mut f| {
Dec 18 16:54:39.782 INFO [stderr]     |                               ----^
Dec 18 16:54:39.782 INFO [stderr]     |                               |
Dec 18 16:54:39.782 INFO [stderr]     |                               help: remove this `mut`
Dec 18 16:54:39.782 INFO [stderr]     |
Dec 18 16:54:39.782 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:54:39.782 INFO [stderr] 
Dec 18 16:54:40.324 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Dec 18 16:54:40.670 INFO running `"docker" "inspect" "02df9cccfdf65f70c3968cd0036966bdfb59d4531d6e6571b9fc9e279d94521a"`
Dec 18 16:54:40.749 INFO running `"docker" "rm" "-f" "02df9cccfdf65f70c3968cd0036966bdfb59d4531d6e6571b9fc9e279d94521a"`
Dec 18 16:54:40.884 INFO [stdout] 02df9cccfdf65f70c3968cd0036966bdfb59d4531d6e6571b9fc9e279d94521a