Sep 04 21:44:14.431 INFO checking chan-0.1.23 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 21:44:14.431 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 21:44:14.431 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:44:14.698 INFO blam! 53b7db65ab11adbf7a394643bd8c75179b01ad9814468497d31adcf4d31c40dc
Sep 04 21:44:14.700 INFO running `"docker" "start" "-a" "53b7db65ab11adbf7a394643bd8c75179b01ad9814468497d31adcf4d31c40dc"`
Sep 04 21:44:15.555 INFO kablam!     Checking chan v0.1.23 (file:///source)
Sep 04 21:44:21.495 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.495 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.496 INFO kablam!     |
Sep 04 21:44:21.496 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.496 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.496 INFO kablam!     |                     |
Sep 04 21:44:21.496 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.496 INFO kablam! ...
Sep 04 21:44:21.496 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 04 21:44:21.496 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.496 INFO kablam!     |
Sep 04 21:44:21.496 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 21:44:21.496 INFO kablam! 
Sep 04 21:44:21.496 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.496 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.496 INFO kablam!     |
Sep 04 21:44:21.496 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.496 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.496 INFO kablam!     |                     |
Sep 04 21:44:21.496 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.496 INFO kablam! ...
Sep 04 21:44:21.496 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 04 21:44:21.496 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.496 INFO kablam! 
Sep 04 21:44:21.507 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.507 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.507 INFO kablam!     |
Sep 04 21:44:21.507 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.507 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.507 INFO kablam!     |                     |
Sep 04 21:44:21.507 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.507 INFO kablam! ...
Sep 04 21:44:21.507 INFO kablam! 155 | bench_select_no_init!(select_no_init_chan_sync_buffered, chan::sync(1));
Sep 04 21:44:21.507 INFO kablam!     | ------------------------------------------------------------------------ in this macro invocation
Sep 04 21:44:21.507 INFO kablam! 
Sep 04 21:44:21.518 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.518 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.518 INFO kablam!     |
Sep 04 21:44:21.518 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.519 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.519 INFO kablam!     |                     |
Sep 04 21:44:21.519 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.519 INFO kablam! ...
Sep 04 21:44:21.519 INFO kablam! 156 | bench_select_no_init!(select_no_init_chan_sync_buffered_all, chan::sync(1000));
Sep 04 21:44:21.519 INFO kablam!     | ------------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.519 INFO kablam! 
Sep 04 21:44:21.531 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.531 INFO kablam!    --> benches/throughput.rs:112:21
Sep 04 21:44:21.531 INFO kablam!     |
Sep 04 21:44:21.531 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.531 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.531 INFO kablam!     |                     |
Sep 04 21:44:21.531 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.531 INFO kablam! ...
Sep 04 21:44:21.531 INFO kablam! 157 | bench_select_no_init!(select_no_init_chan_async, chan::async());
Sep 04 21:44:21.532 INFO kablam!     | ---------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.532 INFO kablam! 
Sep 04 21:44:21.543 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.543 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.543 INFO kablam!     |
Sep 04 21:44:21.543 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.543 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.543 INFO kablam!     |                     |
Sep 04 21:44:21.543 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.543 INFO kablam! ...
Sep 04 21:44:21.543 INFO kablam! 225 | bench_select_with_init!(select_with_init_chan_sync_unbuffered, chan::sync(0));
Sep 04 21:44:21.543 INFO kablam!     | ------------------------------------------------------------------------------ in this macro invocation
Sep 04 21:44:21.544 INFO kablam! 
Sep 04 21:44:21.555 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.555 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.555 INFO kablam!     |
Sep 04 21:44:21.555 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.555 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.555 INFO kablam!     |                     |
Sep 04 21:44:21.555 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.555 INFO kablam! ...
Sep 04 21:44:21.555 INFO kablam! 226 | bench_select_with_init!(select_with_init_chan_sync_buffered, chan::sync(1));
Sep 04 21:44:21.555 INFO kablam!     | ---------------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.555 INFO kablam! 
Sep 04 21:44:21.566 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.566 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.566 INFO kablam!     |
Sep 04 21:44:21.567 INFO kablam! 182 |                 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! 227 | bench_select_with_init!(select_with_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 21:44:21.579 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:44:21.579 INFO kablam!    --> benches/throughput.rs:182:21
Sep 04 21:44:21.579 INFO kablam!     |
Sep 04 21:44:21.579 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 04 21:44:21.579 INFO kablam!     |                     ----^^^^
Sep 04 21:44:21.579 INFO kablam!     |                     |
Sep 04 21:44:21.579 INFO kablam!     |                     help: remove this `mut`
Sep 04 21:44:21.579 INFO kablam! ...
Sep 04 21:44:21.579 INFO kablam! 228 | bench_select_with_init!(select_with_init_chan_async, chan::async());
Sep 04 21:44:21.579 INFO kablam!     | -------------------------------------------------------------------- in this macro invocation
Sep 04 21:44:21.579 INFO kablam! 
Sep 04 21:44:23.588 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.17s
Sep 04 21:44:23.609 INFO kablam! su: No module specific data is present
Sep 04 21:44:24.093 INFO running `"docker" "rm" "-f" "53b7db65ab11adbf7a394643bd8c75179b01ad9814468497d31adcf4d31c40dc"`
Sep 04 21:44:24.302 INFO blam! 53b7db65ab11adbf7a394643bd8c75179b01ad9814468497d31adcf4d31c40dc