Dec 12 17:23:39.249 INFO checking buf-read-ext-0.3.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:23:39.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 17:23:39.499 INFO [stdout] 136953bb6c3748be9b6250acfc1ba75941ef19eebc2d5cd0aa64b605dfd375fd
Dec 12 17:23:39.546 INFO running `"docker" "start" "-a" "136953bb6c3748be9b6250acfc1ba75941ef19eebc2d5cd0aa64b605dfd375fd"`
Dec 12 17:23:40.189 INFO [stderr] usermod: no changes
Dec 12 17:23:40.241 INFO [stderr]     Checking buf-read-ext v0.3.0 (/source)
Dec 12 17:23:41.372 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:23:41.372 INFO [stderr]   --> src/lib.rs:46:84
Dec 12 17:23:41.372 INFO [stderr]    |
Dec 12 17:23:41.372 INFO [stderr] 46 | fn stream_until_token<R: BufRead + ?Sized, W: Write>(stream: &mut R, token: &[u8], mut out: &mut W)
Dec 12 17:23:41.372 INFO [stderr]    |                                                                                    ----^^^
Dec 12 17:23:41.372 INFO [stderr]    |                                                                                    |
Dec 12 17:23:41.372 INFO [stderr]    |                                                                                    help: remove this `mut`
Dec 12 17:23:41.373 INFO [stderr]    |
Dec 12 17:23:41.373 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 17:23:41.373 INFO [stderr] 
Dec 12 17:23:41.756 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:23:41.756 INFO [stderr]   --> src/lib.rs:46:84
Dec 12 17:23:41.756 INFO [stderr]    |
Dec 12 17:23:41.756 INFO [stderr] 46 | fn stream_until_token<R: BufRead + ?Sized, W: Write>(stream: &mut R, token: &[u8], mut out: &mut W)
Dec 12 17:23:41.756 INFO [stderr]    |                                                                                    ----^^^
Dec 12 17:23:41.756 INFO [stderr]    |                                                                                    |
Dec 12 17:23:41.756 INFO [stderr]    |                                                                                    help: remove this `mut`
Dec 12 17:23:41.756 INFO [stderr]    |
Dec 12 17:23:41.756 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 17:23:41.756 INFO [stderr] 
Dec 12 17:23:41.850 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Dec 12 17:23:41.854 INFO [stderr] su: No module specific data is present
Dec 12 17:23:42.342 INFO running `"docker" "inspect" "136953bb6c3748be9b6250acfc1ba75941ef19eebc2d5cd0aa64b605dfd375fd"`
Dec 12 17:23:42.568 INFO running `"docker" "rm" "-f" "136953bb6c3748be9b6250acfc1ba75941ef19eebc2d5cd0aa64b605dfd375fd"`
Dec 12 17:23:42.752 INFO [stdout] 136953bb6c3748be9b6250acfc1ba75941ef19eebc2d5cd0aa64b605dfd375fd