Dec 05 08:46:23.461 INFO checking pubsub-0.2.3 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 08:46:23.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 08:46:23.863 INFO [stdout] 2802cc52b7c9aa1ddf013075beedccb822e8481a24f09f99417edbb5473487b8
Dec 05 08:46:23.868 INFO running `"docker" "start" "-a" "2802cc52b7c9aa1ddf013075beedccb822e8481a24f09f99417edbb5473487b8"`
Dec 05 08:46:25.714 INFO [stderr] usermod: no changes
Dec 05 08:46:25.803 INFO [stderr]     Checking pubsub v0.2.3 (/source)
Dec 05 08:46:27.023 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:46:27.024 INFO [stderr]    --> src/lib.rs:192:10
Dec 05 08:46:27.024 INFO [stderr]     |
Dec 05 08:46:27.024 INFO [stderr] 192 |                     let mut func = guard.deref_mut();
Dec 05 08:46:27.024 INFO [stderr]     |                         ----^^^^
Dec 05 08:46:27.024 INFO [stderr]     |                         |
Dec 05 08:46:27.024 INFO [stderr]     |                         help: remove this `mut`
Dec 05 08:46:27.024 INFO [stderr]     |
Dec 05 08:46:27.024 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 08:46:27.024 INFO [stderr] 
Dec 05 08:46:27.314 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:46:27.315 INFO [stderr]    --> src/lib.rs:192:10
Dec 05 08:46:27.315 INFO [stderr]     |
Dec 05 08:46:27.315 INFO [stderr] 192 |                     let mut func = guard.deref_mut();
Dec 05 08:46:27.315 INFO [stderr]     |                         ----^^^^
Dec 05 08:46:27.315 INFO [stderr]     |                         |
Dec 05 08:46:27.315 INFO [stderr]     |                         help: remove this `mut`
Dec 05 08:46:27.315 INFO [stderr]     |
Dec 05 08:46:27.318 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 08:46:27.319 INFO [stderr] 
Dec 05 08:46:27.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Dec 05 08:46:27.355 INFO [stderr] su: No module specific data is present
Dec 05 08:46:28.088 INFO running `"docker" "inspect" "2802cc52b7c9aa1ddf013075beedccb822e8481a24f09f99417edbb5473487b8"`
Dec 05 08:46:28.423 INFO running `"docker" "rm" "-f" "2802cc52b7c9aa1ddf013075beedccb822e8481a24f09f99417edbb5473487b8"`
Dec 05 08:46:28.715 INFO [stdout] 2802cc52b7c9aa1ddf013075beedccb822e8481a24f09f99417edbb5473487b8