Sep 14 18:33:38.357 INFO checking chan-0.1.23 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 18:33:38.357 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 18:33:38.357 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 18:33:38.551 INFO blam! 7912e9fb3288658e12f16a272d25a4f8c59aa05d2d25559000b2d08577e1c8bf
Sep 14 18:33:38.553 INFO running `"docker" "start" "-a" "7912e9fb3288658e12f16a272d25a4f8c59aa05d2d25559000b2d08577e1c8bf"`
Sep 14 18:33:39.564 INFO kablam! usermod: no changes
Sep 14 18:33:39.771 INFO kablam!     Checking chan v0.1.23 (file:///source)
Sep 14 18:33:43.779 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.779 INFO kablam!    --> benches/throughput.rs:112:21
Sep 14 18:33:43.779 INFO kablam!     |
Sep 14 18:33:43.779 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.779 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.779 INFO kablam!     |                     |
Sep 14 18:33:43.779 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.779 INFO kablam! ...
Sep 14 18:33:43.779 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 14 18:33:43.779 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 14 18:33:43.779 INFO kablam!     |
Sep 14 18:33:43.779 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 18:33:43.779 INFO kablam! 
Sep 14 18:33:43.779 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.779 INFO kablam!    --> benches/throughput.rs:112:21
Sep 14 18:33:43.779 INFO kablam!     |
Sep 14 18:33:43.779 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.779 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.779 INFO kablam!     |                     |
Sep 14 18:33:43.779 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.779 INFO kablam! ...
Sep 14 18:33:43.779 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 14 18:33:43.779 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 14 18:33:43.779 INFO kablam! 
Sep 14 18:33:43.779 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.779 INFO kablam!    --> benches/throughput.rs:112:21
Sep 14 18:33:43.779 INFO kablam!     |
Sep 14 18:33:43.779 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.779 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.779 INFO kablam!     |                     |
Sep 14 18:33:43.780 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.780 INFO kablam! ...
Sep 14 18:33:43.780 INFO kablam! 155 | bench_select_no_init!(select_no_init_chan_sync_buffered, chan::sync(1));
Sep 14 18:33:43.780 INFO kablam!     | ------------------------------------------------------------------------ in this macro invocation
Sep 14 18:33:43.787 INFO kablam! 
Sep 14 18:33:43.795 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.795 INFO kablam!    --> benches/throughput.rs:112:21
Sep 14 18:33:43.795 INFO kablam!     |
Sep 14 18:33:43.795 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.795 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.795 INFO kablam!     |                     |
Sep 14 18:33:43.795 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.795 INFO kablam! ...
Sep 14 18:33:43.795 INFO kablam! 156 | bench_select_no_init!(select_no_init_chan_sync_buffered_all, chan::sync(1000));
Sep 14 18:33:43.795 INFO kablam!     | ------------------------------------------------------------------------------- in this macro invocation
Sep 14 18:33:43.795 INFO kablam! 
Sep 14 18:33:43.799 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.799 INFO kablam!    --> benches/throughput.rs:112:21
Sep 14 18:33:43.799 INFO kablam!     |
Sep 14 18:33:43.799 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.799 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.799 INFO kablam!     |                     |
Sep 14 18:33:43.799 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.799 INFO kablam! ...
Sep 14 18:33:43.799 INFO kablam! 157 | bench_select_no_init!(select_no_init_chan_async, chan::async());
Sep 14 18:33:43.799 INFO kablam!     | ---------------------------------------------------------------- in this macro invocation
Sep 14 18:33:43.799 INFO kablam! 
Sep 14 18:33:43.805 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.805 INFO kablam!    --> benches/throughput.rs:182:21
Sep 14 18:33:43.805 INFO kablam!     |
Sep 14 18:33:43.805 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.805 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.805 INFO kablam!     |                     |
Sep 14 18:33:43.805 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.805 INFO kablam! ...
Sep 14 18:33:43.805 INFO kablam! 225 | bench_select_with_init!(select_with_init_chan_sync_unbuffered, chan::sync(0));
Sep 14 18:33:43.805 INFO kablam!     | ------------------------------------------------------------------------------ in this macro invocation
Sep 14 18:33:43.815 INFO kablam! 
Sep 14 18:33:43.815 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.815 INFO kablam!    --> benches/throughput.rs:182:21
Sep 14 18:33:43.815 INFO kablam!     |
Sep 14 18:33:43.815 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.815 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.815 INFO kablam!     |                     |
Sep 14 18:33:43.815 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.815 INFO kablam! ...
Sep 14 18:33:43.815 INFO kablam! 226 | bench_select_with_init!(select_with_init_chan_sync_buffered, chan::sync(1));
Sep 14 18:33:43.815 INFO kablam!     | ---------------------------------------------------------------------------- in this macro invocation
Sep 14 18:33:43.815 INFO kablam! 
Sep 14 18:33:43.823 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.823 INFO kablam!    --> benches/throughput.rs:182:21
Sep 14 18:33:43.823 INFO kablam!     |
Sep 14 18:33:43.823 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.823 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.823 INFO kablam!     |                     |
Sep 14 18:33:43.823 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.823 INFO kablam! ...
Sep 14 18:33:43.823 INFO kablam! 227 | bench_select_with_init!(select_with_init_chan_sync_buffered_all, chan::sync(1000));
Sep 14 18:33:43.823 INFO kablam!     | ----------------------------------------------------------------------------------- in this macro invocation
Sep 14 18:33:43.823 INFO kablam! 
Sep 14 18:33:43.823 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:33:43.823 INFO kablam!    --> benches/throughput.rs:182:21
Sep 14 18:33:43.823 INFO kablam!     |
Sep 14 18:33:43.823 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 14 18:33:43.823 INFO kablam!     |                     ----^^^^
Sep 14 18:33:43.823 INFO kablam!     |                     |
Sep 14 18:33:43.823 INFO kablam!     |                     help: remove this `mut`
Sep 14 18:33:43.823 INFO kablam! ...
Sep 14 18:33:43.823 INFO kablam! 228 | bench_select_with_init!(select_with_init_chan_async, chan::async());
Sep 14 18:33:43.823 INFO kablam!     | -------------------------------------------------------------------- in this macro invocation
Sep 14 18:33:43.823 INFO kablam! 
Sep 14 18:33:44.772 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
Sep 14 18:33:44.795 INFO kablam! su: No module specific data is present
Sep 14 18:33:45.713 INFO running `"docker" "rm" "-f" "7912e9fb3288658e12f16a272d25a4f8c59aa05d2d25559000b2d08577e1c8bf"`
Sep 14 18:33:46.023 INFO blam! 7912e9fb3288658e12f16a272d25a4f8c59aa05d2d25559000b2d08577e1c8bf