Nov 30 14:56:00.795 INFO checking stderr-0.8.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 14:56:00.795 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 14:56:01.248 INFO [stdout] 18f5f9a6d6c3355ff20044e821a8318a47e321e8dd69ac59a5610d2ec0a7fbc4
Nov 30 14:56:01.250 INFO running `"docker" "start" "-a" "18f5f9a6d6c3355ff20044e821a8318a47e321e8dd69ac59a5610d2ec0a7fbc4"`
Nov 30 14:56:01.857 INFO [stderr] usermod: no changes
Nov 30 14:56:01.971 INFO [stderr]     Checking stderr v0.8.0 (/source)
Nov 30 14:56:02.720 INFO [stderr] warning: variable does not need to be mutable
Nov 30 14:56:02.720 INFO [stderr]   --> src/log/mod.rs:40:13
Nov 30 14:56:02.720 INFO [stderr]    |
Nov 30 14:56:02.720 INFO [stderr] 40 |         let mut logger = LOGGER.as_mut();
Nov 30 14:56:02.720 INFO [stderr]    |             ----^^^^^^
Nov 30 14:56:02.720 INFO [stderr]    |             |
Nov 30 14:56:02.720 INFO [stderr]    |             help: remove this `mut`
Nov 30 14:56:02.720 INFO [stderr]    |
Nov 30 14:56:02.720 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 14:56:02.720 INFO [stderr] 
Nov 30 14:56:02.732 INFO [stderr] warning: variable does not need to be mutable
Nov 30 14:56:02.732 INFO [stderr]    --> src/log/mod.rs:137:13
Nov 30 14:56:02.732 INFO [stderr]     |
Nov 30 14:56:02.732 INFO [stderr] 137 |         let mut logger = LOGGER.as_mut();
Nov 30 14:56:02.732 INFO [stderr]     |             ----^^^^^^
Nov 30 14:56:02.732 INFO [stderr]     |             |
Nov 30 14:56:02.732 INFO [stderr]     |             help: remove this `mut`
Nov 30 14:56:02.732 INFO [stderr] 
Nov 30 14:56:02.749 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 14:56:02.749 INFO [stderr]   --> src/static_mut.rs:89:9
Nov 30 14:56:02.749 INFO [stderr]    |
Nov 30 14:56:02.749 INFO [stderr] 89 |         unsafe {self.0.into_inner()}
Nov 30 14:56:02.749 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Nov 30 14:56:02.749 INFO [stderr]    |
Nov 30 14:56:02.749 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 30 14:56:02.749 INFO [stderr] 
Nov 30 14:56:03.040 INFO [stderr] warning: variable does not need to be mutable
Nov 30 14:56:03.040 INFO [stderr]   --> src/log/mod.rs:40:13
Nov 30 14:56:03.040 INFO [stderr]    |
Nov 30 14:56:03.040 INFO [stderr] 40 |         let mut logger = LOGGER.as_mut();
Nov 30 14:56:03.040 INFO [stderr]    |             ----^^^^^^
Nov 30 14:56:03.040 INFO [stderr]    |             |
Nov 30 14:56:03.040 INFO [stderr]    |             help: remove this `mut`
Nov 30 14:56:03.040 INFO [stderr]    |
Nov 30 14:56:03.040 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 14:56:03.040 INFO [stderr] 
Nov 30 14:56:03.049 INFO [stderr] warning: variable does not need to be mutable
Nov 30 14:56:03.049 INFO [stderr]    --> src/log/mod.rs:137:13
Nov 30 14:56:03.049 INFO [stderr]     |
Nov 30 14:56:03.049 INFO [stderr] 137 |         let mut logger = LOGGER.as_mut();
Nov 30 14:56:03.049 INFO [stderr]     |             ----^^^^^^
Nov 30 14:56:03.049 INFO [stderr]     |             |
Nov 30 14:56:03.049 INFO [stderr]     |             help: remove this `mut`
Nov 30 14:56:03.049 INFO [stderr] 
Nov 30 14:56:03.096 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 14:56:03.096 INFO [stderr]   --> src/static_mut.rs:89:9
Nov 30 14:56:03.096 INFO [stderr]    |
Nov 30 14:56:03.096 INFO [stderr] 89 |         unsafe {self.0.into_inner()}
Nov 30 14:56:03.096 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Nov 30 14:56:03.096 INFO [stderr]    |
Nov 30 14:56:03.096 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 30 14:56:03.096 INFO [stderr] 
Nov 30 14:56:03.540 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Nov 30 14:56:03.544 INFO [stderr] su: No module specific data is present
Nov 30 14:56:04.061 INFO running `"docker" "inspect" "18f5f9a6d6c3355ff20044e821a8318a47e321e8dd69ac59a5610d2ec0a7fbc4"`
Nov 30 14:56:04.206 INFO running `"docker" "rm" "-f" "18f5f9a6d6c3355ff20044e821a8318a47e321e8dd69ac59a5610d2ec0a7fbc4"`
Nov 30 14:56:04.363 INFO [stdout] 18f5f9a6d6c3355ff20044e821a8318a47e321e8dd69ac59a5610d2ec0a7fbc4