Jul 12 12:22:02.705 INFO checking chan-0.1.21 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 12:22:02.705 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 12:22:02.705 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 12:22:02.705 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 12:22:02.992 INFO blam! 8dc406ca0ea2254ba87c0de613063a579d4483601af55ef92e7818656e80cd8b
Jul 12 12:22:02.994 INFO running `"docker" "start" "-a" "8dc406ca0ea2254ba87c0de613063a579d4483601af55ef92e7818656e80cd8b"`
Jul 12 12:22:04.587 INFO kablam!     Checking chan v0.1.21 (file:///source)
Jul 12 12:22:10.547 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.547 INFO kablam!    --> benches/throughput.rs:112:21
Jul 12 12:22:10.547 INFO kablam!     |
Jul 12 12:22:10.547 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.547 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.547 INFO kablam!     |                     |
Jul 12 12:22:10.548 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.548 INFO kablam! ...
Jul 12 12:22:10.548 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Jul 12 12:22:10.548 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Jul 12 12:22:10.548 INFO kablam!     |
Jul 12 12:22:10.548 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 12:22:10.548 INFO kablam! 
Jul 12 12:22:10.548 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.548 INFO kablam!    --> benches/throughput.rs:112:21
Jul 12 12:22:10.548 INFO kablam!     |
Jul 12 12:22:10.548 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.548 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.548 INFO kablam!     |                     |
Jul 12 12:22:10.548 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.548 INFO kablam! ...
Jul 12 12:22:10.548 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Jul 12 12:22:10.548 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Jul 12 12:22:10.548 INFO kablam! 
Jul 12 12:22:10.561 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.562 INFO kablam!    --> benches/throughput.rs:112:21
Jul 12 12:22:10.562 INFO kablam!     |
Jul 12 12:22:10.562 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.562 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.562 INFO kablam!     |                     |
Jul 12 12:22:10.562 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.562 INFO kablam! ...
Jul 12 12:22:10.562 INFO kablam! 155 | bench_select_no_init!(select_no_init_chan_sync_buffered, chan::sync(1));
Jul 12 12:22:10.562 INFO kablam!     | ------------------------------------------------------------------------ in this macro invocation
Jul 12 12:22:10.562 INFO kablam! 
Jul 12 12:22:10.574 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.574 INFO kablam!    --> benches/throughput.rs:112:21
Jul 12 12:22:10.574 INFO kablam!     |
Jul 12 12:22:10.574 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.574 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.574 INFO kablam!     |                     |
Jul 12 12:22:10.574 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.574 INFO kablam! ...
Jul 12 12:22:10.574 INFO kablam! 156 | bench_select_no_init!(select_no_init_chan_sync_buffered_all, chan::sync(1000));
Jul 12 12:22:10.574 INFO kablam!     | ------------------------------------------------------------------------------- in this macro invocation
Jul 12 12:22:10.574 INFO kablam! 
Jul 12 12:22:10.587 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.587 INFO kablam!    --> benches/throughput.rs:112:21
Jul 12 12:22:10.587 INFO kablam!     |
Jul 12 12:22:10.587 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.587 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.587 INFO kablam!     |                     |
Jul 12 12:22:10.587 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.587 INFO kablam! ...
Jul 12 12:22:10.587 INFO kablam! 157 | bench_select_no_init!(select_no_init_chan_async, chan::async());
Jul 12 12:22:10.588 INFO kablam!     | ---------------------------------------------------------------- in this macro invocation
Jul 12 12:22:10.588 INFO kablam! 
Jul 12 12:22:10.602 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.602 INFO kablam!    --> benches/throughput.rs:182:21
Jul 12 12:22:10.602 INFO kablam!     |
Jul 12 12:22:10.602 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.602 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.602 INFO kablam!     |                     |
Jul 12 12:22:10.602 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.602 INFO kablam! ...
Jul 12 12:22:10.603 INFO kablam! 225 | bench_select_with_init!(select_with_init_chan_sync_unbuffered, chan::sync(0));
Jul 12 12:22:10.603 INFO kablam!     | ------------------------------------------------------------------------------ in this macro invocation
Jul 12 12:22:10.603 INFO kablam! 
Jul 12 12:22:10.612 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.612 INFO kablam!    --> benches/throughput.rs:182:21
Jul 12 12:22:10.612 INFO kablam!     |
Jul 12 12:22:10.612 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.612 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.612 INFO kablam!     |                     |
Jul 12 12:22:10.612 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.612 INFO kablam! ...
Jul 12 12:22:10.612 INFO kablam! 226 | bench_select_with_init!(select_with_init_chan_sync_buffered, chan::sync(1));
Jul 12 12:22:10.612 INFO kablam!     | ---------------------------------------------------------------------------- in this macro invocation
Jul 12 12:22:10.613 INFO kablam! 
Jul 12 12:22:10.635 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.635 INFO kablam!    --> benches/throughput.rs:182:21
Jul 12 12:22:10.635 INFO kablam!     |
Jul 12 12:22:10.635 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.635 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.635 INFO kablam!     |                     |
Jul 12 12:22:10.636 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.636 INFO kablam! ...
Jul 12 12:22:10.636 INFO kablam! 227 | bench_select_with_init!(select_with_init_chan_sync_buffered_all, chan::sync(1000));
Jul 12 12:22:10.636 INFO kablam!     | ----------------------------------------------------------------------------------- in this macro invocation
Jul 12 12:22:10.636 INFO kablam! 
Jul 12 12:22:10.650 INFO kablam! warning: variable does not need to be mutable
Jul 12 12:22:10.650 INFO kablam!    --> benches/throughput.rs:182:21
Jul 12 12:22:10.650 INFO kablam!     |
Jul 12 12:22:10.650 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Jul 12 12:22:10.650 INFO kablam!     |                     ----^^^^
Jul 12 12:22:10.650 INFO kablam!     |                     |
Jul 12 12:22:10.650 INFO kablam!     |                     help: remove this `mut`
Jul 12 12:22:10.650 INFO kablam! ...
Jul 12 12:22:10.650 INFO kablam! 228 | bench_select_with_init!(select_with_init_chan_async, chan::async());
Jul 12 12:22:10.650 INFO kablam!     | -------------------------------------------------------------------- in this macro invocation
Jul 12 12:22:10.651 INFO kablam! 
Jul 12 12:22:10.985 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.65s
Jul 12 12:22:11.006 INFO kablam! su: No module specific data is present
Jul 12 12:22:11.691 INFO running `"docker" "rm" "-f" "8dc406ca0ea2254ba87c0de613063a579d4483601af55ef92e7818656e80cd8b"`
Jul 12 12:22:11.862 INFO blam! 8dc406ca0ea2254ba87c0de613063a579d4483601af55ef92e7818656e80cd8b