Oct 13 08:00:35.886 INFO checking stderr-0.8.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 08:00:35.886 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 08:00:36.316 INFO blam! 6f84e3b107c6f2d95b9aa83988eeccf48f7fed2db83df56107173902e3f8fa40
Oct 13 08:00:36.316 INFO running `"docker" "start" "-a" "6f84e3b107c6f2d95b9aa83988eeccf48f7fed2db83df56107173902e3f8fa40"`
Oct 13 08:00:37.471 INFO kablam! usermod: no changes
Oct 13 08:00:37.560 INFO kablam!     Checking stderr v0.8.0 (/source)
Oct 13 08:00:38.740 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:00:38.740 INFO kablam!   --> src/log/mod.rs:40:13
Oct 13 08:00:38.740 INFO kablam!    |
Oct 13 08:00:38.740 INFO kablam! 40 |         let mut logger = LOGGER.as_mut();
Oct 13 08:00:38.740 INFO kablam!    |             ----^^^^^^
Oct 13 08:00:38.740 INFO kablam!    |             |
Oct 13 08:00:38.740 INFO kablam!    |             help: remove this `mut`
Oct 13 08:00:38.740 INFO kablam!    |
Oct 13 08:00:38.740 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 08:00:38.740 INFO kablam! 
Oct 13 08:00:38.760 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:00:38.760 INFO kablam!    --> src/log/mod.rs:137:13
Oct 13 08:00:38.760 INFO kablam!     |
Oct 13 08:00:38.760 INFO kablam! 137 |         let mut logger = LOGGER.as_mut();
Oct 13 08:00:38.760 INFO kablam!     |             ----^^^^^^
Oct 13 08:00:38.760 INFO kablam!     |             |
Oct 13 08:00:38.760 INFO kablam!     |             help: remove this `mut`
Oct 13 08:00:38.760 INFO kablam! 
Oct 13 08:00:38.781 INFO kablam! warning: unnecessary `unsafe` block
Oct 13 08:00:38.781 INFO kablam!   --> src/static_mut.rs:89:9
Oct 13 08:00:38.781 INFO kablam!    |
Oct 13 08:00:38.781 INFO kablam! 89 |         unsafe {self.0.into_inner()}
Oct 13 08:00:38.781 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Oct 13 08:00:38.781 INFO kablam!    |
Oct 13 08:00:38.781 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Oct 13 08:00:38.781 INFO kablam! 
Oct 13 08:00:39.036 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:00:39.036 INFO kablam!   --> src/log/mod.rs:40:13
Oct 13 08:00:39.036 INFO kablam!    |
Oct 13 08:00:39.036 INFO kablam! 40 |         let mut logger = LOGGER.as_mut();
Oct 13 08:00:39.036 INFO kablam!    |             ----^^^^^^
Oct 13 08:00:39.036 INFO kablam!    |             |
Oct 13 08:00:39.036 INFO kablam!    |             help: remove this `mut`
Oct 13 08:00:39.036 INFO kablam!    |
Oct 13 08:00:39.036 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 08:00:39.036 INFO kablam! 
Oct 13 08:00:39.068 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:00:39.068 INFO kablam!    --> src/log/mod.rs:137:13
Oct 13 08:00:39.068 INFO kablam!     |
Oct 13 08:00:39.068 INFO kablam! 137 |         let mut logger = LOGGER.as_mut();
Oct 13 08:00:39.068 INFO kablam!     |             ----^^^^^^
Oct 13 08:00:39.068 INFO kablam!     |             |
Oct 13 08:00:39.068 INFO kablam!     |             help: remove this `mut`
Oct 13 08:00:39.068 INFO kablam! 
Oct 13 08:00:39.204 INFO kablam! warning: unnecessary `unsafe` block
Oct 13 08:00:39.204 INFO kablam!   --> src/static_mut.rs:89:9
Oct 13 08:00:39.204 INFO kablam!    |
Oct 13 08:00:39.204 INFO kablam! 89 |         unsafe {self.0.into_inner()}
Oct 13 08:00:39.204 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Oct 13 08:00:39.204 INFO kablam!    |
Oct 13 08:00:39.204 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Oct 13 08:00:39.204 INFO kablam! 
Oct 13 08:00:40.175 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
Oct 13 08:00:40.184 INFO kablam! su: No module specific data is present
Oct 13 08:00:40.593 INFO running `"docker" "rm" "-f" "6f84e3b107c6f2d95b9aa83988eeccf48f7fed2db83df56107173902e3f8fa40"`
Oct 13 08:00:40.904 INFO blam! 6f84e3b107c6f2d95b9aa83988eeccf48f7fed2db83df56107173902e3f8fa40