Sep 04 21:44:14.558 INFO checking chan-0.1.23 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 21:44:14.559 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 21:44:14.559 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:44:14.798 INFO blam! b8d5d35a22a9f5a87be880bea033fea4aebab6625aa04ed00bda274445f0d920
Sep 04 21:44:14.800 INFO running `"docker" "start" "-a" "b8d5d35a22a9f5a87be880bea033fea4aebab6625aa04ed00bda274445f0d920"`
Sep 04 21:44:15.711 INFO kablam!     Checking chan v0.1.23 (file:///source)
Sep 04 21:44:21.544 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.544 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.544 INFO kablam!     |
Sep 04 21:44:21.544 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.544 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.544 INFO kablam!     |                     |
Sep 04 21:44:21.544 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.544 INFO kablam! ...
Sep 04 21:44:21.544 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 04 21:44:21.545 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.545 INFO kablam!     |
Sep 04 21:44:21.545 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 21:44:21.545 INFO kablam! 
Sep 04 21:44:21.545 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.545 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.545 INFO kablam!     |
Sep 04 21:44:21.545 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.545 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.545 INFO kablam!     |                     |
Sep 04 21:44:21.545 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.545 INFO kablam! ...
Sep 04 21:44:21.545 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 04 21:44:21.545 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.545 INFO kablam! 
Sep 04 21:44:21.556 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.556 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.556 INFO kablam!     |
Sep 04 21:44:21.556 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.556 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.556 INFO kablam!     |                     |
Sep 04 21:44:21.556 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.556 INFO kablam! ...
Sep 04 21:44:21.556 INFO kablam! 155 | bench_select_no_init!(select_no_init_chan_sync_buffered, chan::sync(1));
Sep 04 21:44:21.556 INFO kablam!     | ------------------------------------------------------------------------ in this macro invocation
Sep 04 21:44:21.556 INFO kablam! 
Sep 04 21:44:21.567 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.567 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.567 INFO kablam!     |
Sep 04 21:44:21.567 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.567 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.567 INFO kablam!     |                     |
Sep 04 21:44:21.567 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.567 INFO kablam! ...
Sep 04 21:44:21.567 INFO kablam! 156 | bench_select_no_init!(select_no_init_chan_sync_buffered_all, chan::sync(1000));
Sep 04 21:44:21.567 INFO kablam!     | ------------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.567 INFO kablam! 
Sep 04 21:44:21.580 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.580 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.580 INFO kablam!     |
Sep 04 21:44:21.580 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.580 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.580 INFO kablam!     |                     |
Sep 04 21:44:21.580 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.580 INFO kablam! ...
Sep 04 21:44:21.580 INFO kablam! 157 | bench_select_no_init!(select_no_init_chan_async, chan::async());
Sep 04 21:44:21.580 INFO kablam!     | ---------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.580 INFO kablam! 
Sep 04 21:44:21.591 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.591 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.591 INFO kablam!     |
Sep 04 21:44:21.591 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.591 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.591 INFO kablam!     |                     |
Sep 04 21:44:21.591 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.592 INFO kablam! ...
Sep 04 21:44:21.592 INFO kablam! 225 | bench_select_with_init!(select_with_init_chan_sync_unbuffered, chan::sync(0));
Sep 04 21:44:21.592 INFO kablam!     | ------------------------------------------------------------------------------ in this macro invocation
Sep 04 21:44:21.592 INFO kablam! 
Sep 04 21:44:21.602 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.602 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.602 INFO kablam!     |
Sep 04 21:44:21.602 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.602 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.602 INFO kablam!     |                     |
Sep 04 21:44:21.602 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.602 INFO kablam! ...
Sep 04 21:44:21.602 INFO kablam! 226 | bench_select_with_init!(select_with_init_chan_sync_buffered, chan::sync(1));
Sep 04 21:44:21.602 INFO kablam!     | ---------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.602 INFO kablam! 
Sep 04 21:44:21.613 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.613 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.613 INFO kablam!     |
Sep 04 21:44:21.614 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.614 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.614 INFO kablam!     |                     |
Sep 04 21:44:21.614 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.614 INFO kablam! ...
Sep 04 21:44:21.614 INFO kablam! 227 | bench_select_with_init!(select_with_init_chan_sync_buffered_all, chan::sync(1000));
Sep 04 21:44:21.614 INFO kablam!     | ----------------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.614 INFO kablam! 
Sep 04 21:44:21.625 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.626 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.626 INFO kablam!     |
Sep 04 21:44:21.626 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.626 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.626 INFO kablam!     |                     |
Sep 04 21:44:21.626 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.626 INFO kablam! ...
Sep 04 21:44:21.626 INFO kablam! 228 | bench_select_with_init!(select_with_init_chan_async, chan::async());
Sep 04 21:44:21.626 INFO kablam!     | -------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.626 INFO kablam! 
Sep 04 21:44:23.016 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
Sep 04 21:44:23.043 INFO kablam! su: No module specific data is present
Sep 04 21:44:23.567 INFO running `"docker" "rm" "-f" "b8d5d35a22a9f5a87be880bea033fea4aebab6625aa04ed00bda274445f0d920"`
Sep 04 21:44:23.710 INFO blam! b8d5d35a22a9f5a87be880bea033fea4aebab6625aa04ed00bda274445f0d920