Sep 20 03:48:36.961 INFO checking chan-0.1.23 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 03:48:36.961 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 03:48:36.962 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-7/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:48:37.351 INFO blam! 633e9f26271a271ee43e480c0368e34f29a9ad23cda5fddc4022a9bb3999699f
Sep 20 03:48:37.353 INFO running `"docker" "start" "-a" "633e9f26271a271ee43e480c0368e34f29a9ad23cda5fddc4022a9bb3999699f"`
Sep 20 03:48:38.929 INFO kablam! usermod: no changes
Sep 20 03:48:39.171 INFO kablam!     Checking chan v0.1.23 (/source)
Sep 20 03:48:43.306 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.307 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.307 INFO kablam!     |
Sep 20 03:48:43.307 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.307 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.307 INFO kablam!     |                     |
Sep 20 03:48:43.307 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.307 INFO kablam! ...
Sep 20 03:48:43.307 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 20 03:48:43.307 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.307 INFO kablam!     |
Sep 20 03:48:43.307 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 03:48:43.307 INFO kablam! 
Sep 20 03:48:43.307 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.307 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.307 INFO kablam!     |
Sep 20 03:48:43.307 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.307 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.307 INFO kablam!     |                     |
Sep 20 03:48:43.307 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.307 INFO kablam! ...
Sep 20 03:48:43.307 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 20 03:48:43.307 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.307 INFO kablam! 
Sep 20 03:48:43.318 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.319 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.319 INFO kablam!     |
Sep 20 03:48:43.319 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.319 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.319 INFO kablam!     |                     |
Sep 20 03:48:43.319 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.319 INFO kablam! ...
Sep 20 03:48:43.319 INFO kablam! 155 | bench_select_no_init!(select_no_init_chan_sync_buffered, chan::sync(1));
Sep 20 03:48:43.319 INFO kablam!     | ------------------------------------------------------------------------ in this macro invocation
Sep 20 03:48:43.319 INFO kablam! 
Sep 20 03:48:43.358 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.359 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.359 INFO kablam!     |
Sep 20 03:48:43.362 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.363 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.363 INFO kablam!     |                     |
Sep 20 03:48:43.363 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.363 INFO kablam! ...
Sep 20 03:48:43.363 INFO kablam! 156 | bench_select_no_init!(select_no_init_chan_sync_buffered_all, chan::sync(1000));
Sep 20 03:48:43.363 INFO kablam!     | ------------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.363 INFO kablam! 
Sep 20 03:48:43.382 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.383 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.383 INFO kablam!     |
Sep 20 03:48:43.383 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.383 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.383 INFO kablam!     |                     |
Sep 20 03:48:43.383 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.383 INFO kablam! ...
Sep 20 03:48:43.383 INFO kablam! 157 | bench_select_no_init!(select_no_init_chan_async, chan::async());
Sep 20 03:48:43.383 INFO kablam!     | ---------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.383 INFO kablam! 
Sep 20 03:48:43.402 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.403 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.403 INFO kablam!     |
Sep 20 03:48:43.403 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.403 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.403 INFO kablam!     |                     |
Sep 20 03:48:43.403 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.403 INFO kablam! ...
Sep 20 03:48:43.403 INFO kablam! 225 | bench_select_with_init!(select_with_init_chan_sync_unbuffered, chan::sync(0));
Sep 20 03:48:43.403 INFO kablam!     | ------------------------------------------------------------------------------ in this macro invocation
Sep 20 03:48:43.403 INFO kablam! 
Sep 20 03:48:43.426 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.427 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.427 INFO kablam!     |
Sep 20 03:48:43.427 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.427 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.427 INFO kablam!     |                     |
Sep 20 03:48:43.427 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.427 INFO kablam! ...
Sep 20 03:48:43.427 INFO kablam! 226 | bench_select_with_init!(select_with_init_chan_sync_buffered, chan::sync(1));
Sep 20 03:48:43.427 INFO kablam!     | ---------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.438 INFO kablam! 
Sep 20 03:48:43.454 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.455 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.455 INFO kablam!     |
Sep 20 03:48:43.455 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.455 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.455 INFO kablam!     |                     |
Sep 20 03:48:43.455 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.455 INFO kablam! ...
Sep 20 03:48:43.455 INFO kablam! 227 | bench_select_with_init!(select_with_init_chan_sync_buffered_all, chan::sync(1000));
Sep 20 03:48:43.455 INFO kablam!     | ----------------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.455 INFO kablam! 
Sep 20 03:48:43.455 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.455 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.455 INFO kablam!     |
Sep 20 03:48:43.455 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.455 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.455 INFO kablam!     |                     |
Sep 20 03:48:43.455 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.455 INFO kablam! ...
Sep 20 03:48:43.455 INFO kablam! 228 | bench_select_with_init!(select_with_init_chan_async, chan::async());
Sep 20 03:48:43.455 INFO kablam!     | -------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.455 INFO kablam! 
Sep 20 03:48:43.734 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
Sep 20 03:48:43.754 INFO kablam! su: No module specific data is present
Sep 20 03:48:45.024 INFO running `"docker" "rm" "-f" "633e9f26271a271ee43e480c0368e34f29a9ad23cda5fddc4022a9bb3999699f"`
Sep 20 03:48:45.306 INFO blam! 633e9f26271a271ee43e480c0368e34f29a9ad23cda5fddc4022a9bb3999699f