Sep 05 00:36:51.885 INFO checking chan-0.1.23 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 05 00:36:51.885 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 05 00:36:51.886 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 00:36:52.068 INFO blam! 62bf87d90c9a16ff99006784433816741492c35a400dd14e2b8ec80c0cfef72d
Sep 05 00:36:52.070 INFO running `"docker" "start" "-a" "62bf87d90c9a16ff99006784433816741492c35a400dd14e2b8ec80c0cfef72d"`
Sep 05 00:36:53.021 INFO kablam!     Checking chan v0.1.23 (file:///source)
Sep 05 00:36:58.035 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.038 INFO kablam!    --> benches/throughput.rs:112:21
Sep 05 00:36:58.038 INFO kablam!     |
Sep 05 00:36:58.038 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.038 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.038 INFO kablam!     |                     |
Sep 05 00:36:58.038 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.038 INFO kablam! ...
Sep 05 00:36:58.038 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 05 00:36:58.038 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 05 00:36:58.038 INFO kablam!     |
Sep 05 00:36:58.038 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 00:36:58.038 INFO kablam! 
Sep 05 00:36:58.038 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.038 INFO kablam!    --> benches/throughput.rs:112:21
Sep 05 00:36:58.038 INFO kablam!     |
Sep 05 00:36:58.038 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.038 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.038 INFO kablam!     |                     |
Sep 05 00:36:58.038 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.038 INFO kablam! ...
Sep 05 00:36:58.038 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 05 00:36:58.038 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 05 00:36:58.038 INFO kablam! 
Sep 05 00:36:58.046 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.046 INFO kablam!    --> benches/throughput.rs:112:21
Sep 05 00:36:58.046 INFO kablam!     |
Sep 05 00:36:58.046 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.047 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.047 INFO kablam!     |                     |
Sep 05 00:36:58.047 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.047 INFO kablam! ...
Sep 05 00:36:58.047 INFO kablam! 155 | bench_select_no_init!(select_no_init_chan_sync_buffered, chan::sync(1));
Sep 05 00:36:58.047 INFO kablam!     | ------------------------------------------------------------------------ in this macro invocation
Sep 05 00:36:58.047 INFO kablam! 
Sep 05 00:36:58.056 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.056 INFO kablam!    --> benches/throughput.rs:112:21
Sep 05 00:36:58.056 INFO kablam!     |
Sep 05 00:36:58.056 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.056 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.056 INFO kablam!     |                     |
Sep 05 00:36:58.056 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.056 INFO kablam! ...
Sep 05 00:36:58.056 INFO kablam! 156 | bench_select_no_init!(select_no_init_chan_sync_buffered_all, chan::sync(1000));
Sep 05 00:36:58.056 INFO kablam!     | ------------------------------------------------------------------------------- in this macro invocation
Sep 05 00:36:58.056 INFO kablam! 
Sep 05 00:36:58.067 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.067 INFO kablam!    --> benches/throughput.rs:112:21
Sep 05 00:36:58.067 INFO kablam!     |
Sep 05 00:36:58.067 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.067 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.067 INFO kablam!     |                     |
Sep 05 00:36:58.067 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.067 INFO kablam! ...
Sep 05 00:36:58.067 INFO kablam! 157 | bench_select_no_init!(select_no_init_chan_async, chan::async());
Sep 05 00:36:58.067 INFO kablam!     | ---------------------------------------------------------------- in this macro invocation
Sep 05 00:36:58.067 INFO kablam! 
Sep 05 00:36:58.078 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.078 INFO kablam!    --> benches/throughput.rs:182:21
Sep 05 00:36:58.078 INFO kablam!     |
Sep 05 00:36:58.078 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.078 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.078 INFO kablam!     |                     |
Sep 05 00:36:58.078 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.078 INFO kablam! ...
Sep 05 00:36:58.078 INFO kablam! 225 | bench_select_with_init!(select_with_init_chan_sync_unbuffered, chan::sync(0));
Sep 05 00:36:58.078 INFO kablam!     | ------------------------------------------------------------------------------ in this macro invocation
Sep 05 00:36:58.078 INFO kablam! 
Sep 05 00:36:58.088 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.088 INFO kablam!    --> benches/throughput.rs:182:21
Sep 05 00:36:58.088 INFO kablam!     |
Sep 05 00:36:58.088 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.088 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.088 INFO kablam!     |                     |
Sep 05 00:36:58.088 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.088 INFO kablam! ...
Sep 05 00:36:58.088 INFO kablam! 226 | bench_select_with_init!(select_with_init_chan_sync_buffered, chan::sync(1));
Sep 05 00:36:58.088 INFO kablam!     | ---------------------------------------------------------------------------- in this macro invocation
Sep 05 00:36:58.088 INFO kablam! 
Sep 05 00:36:58.098 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.098 INFO kablam!    --> benches/throughput.rs:182:21
Sep 05 00:36:58.098 INFO kablam!     |
Sep 05 00:36:58.098 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.098 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.098 INFO kablam!     |                     |
Sep 05 00:36:58.098 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.098 INFO kablam! ...
Sep 05 00:36:58.098 INFO kablam! 227 | bench_select_with_init!(select_with_init_chan_sync_buffered_all, chan::sync(1000));
Sep 05 00:36:58.098 INFO kablam!     | ----------------------------------------------------------------------------------- in this macro invocation
Sep 05 00:36:58.098 INFO kablam! 
Sep 05 00:36:58.108 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:36:58.108 INFO kablam!    --> benches/throughput.rs:182:21
Sep 05 00:36:58.108 INFO kablam!     |
Sep 05 00:36:58.108 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 05 00:36:58.109 INFO kablam!     |                     ----^^^^
Sep 05 00:36:58.109 INFO kablam!     |                     |
Sep 05 00:36:58.109 INFO kablam!     |                     help: remove this `mut`
Sep 05 00:36:58.109 INFO kablam! ...
Sep 05 00:36:58.109 INFO kablam! 228 | bench_select_with_init!(select_with_init_chan_async, chan::async());
Sep 05 00:36:58.109 INFO kablam!     | -------------------------------------------------------------------- in this macro invocation
Sep 05 00:36:58.109 INFO kablam! 
Sep 05 00:36:59.282 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
Sep 05 00:36:59.294 INFO kablam! su: No module specific data is present
Sep 05 00:36:59.778 INFO running `"docker" "rm" "-f" "62bf87d90c9a16ff99006784433816741492c35a400dd14e2b8ec80c0cfef72d"`
Sep 05 00:36:59.871 INFO blam! 62bf87d90c9a16ff99006784433816741492c35a400dd14e2b8ec80c0cfef72d