Dec 12 06:57:00.281 INFO checking stderr-0.8.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:57:00.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 06:57:00.492 INFO [stdout] 61befbc64e63756808dfaf2673cba18960ac24097a8c729eaedec0b76f4a6f5a
Dec 12 06:57:00.494 INFO running `"docker" "start" "-a" "61befbc64e63756808dfaf2673cba18960ac24097a8c729eaedec0b76f4a6f5a"`
Dec 12 06:57:01.048 INFO [stderr] usermod: no changes
Dec 12 06:57:01.092 INFO [stderr]     Checking stderr v0.8.0 (/source)
Dec 12 06:57:01.868 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:57:01.868 INFO [stderr]   --> src/log/mod.rs:40:13
Dec 12 06:57:01.868 INFO [stderr]    |
Dec 12 06:57:01.868 INFO [stderr] 40 |         let mut logger = LOGGER.as_mut();
Dec 12 06:57:01.868 INFO [stderr]    |             ----^^^^^^
Dec 12 06:57:01.868 INFO [stderr]    |             |
Dec 12 06:57:01.868 INFO [stderr]    |             help: remove this `mut`
Dec 12 06:57:01.868 INFO [stderr]    |
Dec 12 06:57:01.868 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 06:57:01.868 INFO [stderr] 
Dec 12 06:57:01.884 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:57:01.884 INFO [stderr]    --> src/log/mod.rs:137:13
Dec 12 06:57:01.884 INFO [stderr]     |
Dec 12 06:57:01.884 INFO [stderr] 137 |         let mut logger = LOGGER.as_mut();
Dec 12 06:57:01.884 INFO [stderr]     |             ----^^^^^^
Dec 12 06:57:01.884 INFO [stderr]     |             |
Dec 12 06:57:01.884 INFO [stderr]     |             help: remove this `mut`
Dec 12 06:57:01.884 INFO [stderr] 
Dec 12 06:57:01.904 INFO [stderr] warning: unnecessary `unsafe` block
Dec 12 06:57:01.904 INFO [stderr]   --> src/static_mut.rs:89:9
Dec 12 06:57:01.904 INFO [stderr]    |
Dec 12 06:57:01.904 INFO [stderr] 89 |         unsafe {self.0.into_inner()}
Dec 12 06:57:01.904 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 12 06:57:01.904 INFO [stderr]    |
Dec 12 06:57:01.904 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 12 06:57:01.904 INFO [stderr] 
Dec 12 06:57:02.140 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:57:02.140 INFO [stderr]   --> src/log/mod.rs:40:13
Dec 12 06:57:02.140 INFO [stderr]    |
Dec 12 06:57:02.140 INFO [stderr] 40 |         let mut logger = LOGGER.as_mut();
Dec 12 06:57:02.140 INFO [stderr]    |             ----^^^^^^
Dec 12 06:57:02.140 INFO [stderr]    |             |
Dec 12 06:57:02.140 INFO [stderr]    |             help: remove this `mut`
Dec 12 06:57:02.159 INFO [stderr]    |
Dec 12 06:57:02.159 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 06:57:02.159 INFO [stderr] 
Dec 12 06:57:02.194 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:57:02.194 INFO [stderr]    --> src/log/mod.rs:137:13
Dec 12 06:57:02.194 INFO [stderr]     |
Dec 12 06:57:02.194 INFO [stderr] 137 |         let mut logger = LOGGER.as_mut();
Dec 12 06:57:02.194 INFO [stderr]     |             ----^^^^^^
Dec 12 06:57:02.194 INFO [stderr]     |             |
Dec 12 06:57:02.194 INFO [stderr]     |             help: remove this `mut`
Dec 12 06:57:02.194 INFO [stderr] 
Dec 12 06:57:02.353 INFO [stderr] warning: unnecessary `unsafe` block
Dec 12 06:57:02.354 INFO [stderr]   --> src/static_mut.rs:89:9
Dec 12 06:57:02.354 INFO [stderr]    |
Dec 12 06:57:02.354 INFO [stderr] 89 |         unsafe {self.0.into_inner()}
Dec 12 06:57:02.354 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 12 06:57:02.354 INFO [stderr]    |
Dec 12 06:57:02.354 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 12 06:57:02.354 INFO [stderr] 
Dec 12 06:57:03.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 12 06:57:03.417 INFO [stderr] su: No module specific data is present
Dec 12 06:57:04.228 INFO running `"docker" "inspect" "61befbc64e63756808dfaf2673cba18960ac24097a8c729eaedec0b76f4a6f5a"`
Dec 12 06:57:04.626 INFO running `"docker" "rm" "-f" "61befbc64e63756808dfaf2673cba18960ac24097a8c729eaedec0b76f4a6f5a"`
Dec 12 06:57:04.888 INFO [stdout] 61befbc64e63756808dfaf2673cba18960ac24097a8c729eaedec0b76f4a6f5a