Oct 12 21:28:29.942 INFO checking fneddy/rat12 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:28:29.944 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 12 21:28:30.392 INFO blam! d66de337f75eb6683def9aa132bee49368f0eb16ba5c070fb36b6facf0349ed0
Oct 12 21:28:30.397 INFO running `"docker" "start" "-a" "d66de337f75eb6683def9aa132bee49368f0eb16ba5c070fb36b6facf0349ed0"`
Oct 12 21:28:31.928 INFO kablam! usermod: no changes
Oct 12 21:28:32.020 INFO kablam!     Checking rat12 v0.1.0 (/source)
Oct 12 21:28:32.903 INFO kablam! warning: unused variable: `buf`
Oct 12 21:28:32.904 INFO kablam!   --> src/cluster.rs:60:25
Oct 12 21:28:32.904 INFO kablam!    |
Oct 12 21:28:32.904 INFO kablam! 60 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Oct 12 21:28:32.904 INFO kablam!    |                         ^^^ help: consider using `_buf` instead
Oct 12 21:28:32.905 INFO kablam!    |
Oct 12 21:28:32.905 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:28:32.905 INFO kablam! 
Oct 12 21:28:32.945 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:28:32.945 INFO kablam!   --> src/cluster.rs:31:16
Oct 12 21:28:32.945 INFO kablam!    |
Oct 12 21:28:32.945 INFO kablam! 31 |     pub fn new(mut descriptor: Arc<RwLock<T>>,
Oct 12 21:28:32.945 INFO kablam!    |                ----^^^^^^^^^^
Oct 12 21:28:32.945 INFO kablam!    |                |
Oct 12 21:28:32.945 INFO kablam!    |                help: remove this `mut`
Oct 12 21:28:32.945 INFO kablam!    |
Oct 12 21:28:32.945 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 21:28:32.945 INFO kablam! 
Oct 12 21:28:33.220 INFO kablam! warning: unused variable: `buf`
Oct 12 21:28:33.221 INFO kablam!   --> src/cluster.rs:60:25
Oct 12 21:28:33.222 INFO kablam!    |
Oct 12 21:28:33.223 INFO kablam! 60 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Oct 12 21:28:33.223 INFO kablam!    |                         ^^^ help: consider using `_buf` instead
Oct 12 21:28:33.224 INFO kablam!    |
Oct 12 21:28:33.224 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:28:33.225 INFO kablam! 
Oct 12 21:28:33.316 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:28:33.316 INFO kablam!   --> src/cluster.rs:31:16
Oct 12 21:28:33.316 INFO kablam!    |
Oct 12 21:28:33.316 INFO kablam! 31 |     pub fn new(mut descriptor: Arc<RwLock<T>>,
Oct 12 21:28:33.316 INFO kablam!    |                ----^^^^^^^^^^
Oct 12 21:28:33.316 INFO kablam!    |                |
Oct 12 21:28:33.316 INFO kablam!    |                help: remove this `mut`
Oct 12 21:28:33.316 INFO kablam!    |
Oct 12 21:28:33.316 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 21:28:33.316 INFO kablam! 
Oct 12 21:28:33.909 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Oct 12 21:28:33.917 INFO kablam! su: No module specific data is present
Oct 12 21:28:35.372 INFO running `"docker" "rm" "-f" "d66de337f75eb6683def9aa132bee49368f0eb16ba5c070fb36b6facf0349ed0"`
Oct 12 21:28:35.640 INFO blam! d66de337f75eb6683def9aa132bee49368f0eb16ba5c070fb36b6facf0349ed0