Dec 05 16:01:03.972 INFO checking buf-read-ext-0.3.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:01:03.972 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 16:01:04.333 INFO [stdout] d1bc88268b7fa1edef33cba080c8c5e6de8206aa19be375fab51543854225ba7
Dec 05 16:01:04.345 INFO running `"docker" "start" "-a" "d1bc88268b7fa1edef33cba080c8c5e6de8206aa19be375fab51543854225ba7"`
Dec 05 16:01:04.934 INFO [stderr] usermod: no changes
Dec 05 16:01:04.979 INFO [stderr]     Checking buf-read-ext v0.3.0 (/source)
Dec 05 16:01:06.195 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:01:06.195 INFO [stderr]   --> src/lib.rs:46:84
Dec 05 16:01:06.195 INFO [stderr]    |
Dec 05 16:01:06.195 INFO [stderr] 46 | fn stream_until_token<R: BufRead + ?Sized, W: Write>(stream: &mut R, token: &[u8], mut out: &mut W)
Dec 05 16:01:06.195 INFO [stderr]    |                                                                                    ----^^^
Dec 05 16:01:06.195 INFO [stderr]    |                                                                                    |
Dec 05 16:01:06.195 INFO [stderr]    |                                                                                    help: remove this `mut`
Dec 05 16:01:06.195 INFO [stderr]    |
Dec 05 16:01:06.195 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 16:01:06.195 INFO [stderr] 
Dec 05 16:01:06.715 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:01:06.715 INFO [stderr]   --> src/lib.rs:46:84
Dec 05 16:01:06.715 INFO [stderr]    |
Dec 05 16:01:06.715 INFO [stderr] 46 | fn stream_until_token<R: BufRead + ?Sized, W: Write>(stream: &mut R, token: &[u8], mut out: &mut W)
Dec 05 16:01:06.715 INFO [stderr]    |                                                                                    ----^^^
Dec 05 16:01:06.715 INFO [stderr]    |                                                                                    |
Dec 05 16:01:06.715 INFO [stderr]    |                                                                                    help: remove this `mut`
Dec 05 16:01:06.715 INFO [stderr]    |
Dec 05 16:01:06.715 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 16:01:06.715 INFO [stderr] 
Dec 05 16:01:06.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
Dec 05 16:01:06.826 INFO [stderr] su: No module specific data is present
Dec 05 16:01:07.435 INFO running `"docker" "inspect" "d1bc88268b7fa1edef33cba080c8c5e6de8206aa19be375fab51543854225ba7"`
Dec 05 16:01:07.699 INFO running `"docker" "rm" "-f" "d1bc88268b7fa1edef33cba080c8c5e6de8206aa19be375fab51543854225ba7"`
Dec 05 16:01:08.035 INFO [stdout] d1bc88268b7fa1edef33cba080c8c5e6de8206aa19be375fab51543854225ba7