Sep 20 03:48:37.496 INFO checking chan-0.1.23 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 03:48:37.496 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 03:48:37.497 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:48:37.858 INFO blam! 146321a3e4510d4ac5c898fe50a26b47d6d3f0b3bf9b5ec91cbdd7420569626e
Sep 20 03:48:37.860 INFO running `"docker" "start" "-a" "146321a3e4510d4ac5c898fe50a26b47d6d3f0b3bf9b5ec91cbdd7420569626e"`
Sep 20 03:48:39.738 INFO kablam! usermod: no changes
Sep 20 03:48:39.979 INFO kablam!     Checking chan v0.1.23 (/source)
Sep 20 03:48:43.951 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.951 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.951 INFO kablam!     |
Sep 20 03:48:43.951 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.951 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.951 INFO kablam!     |                     |
Sep 20 03:48:43.951 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.951 INFO kablam! ...
Sep 20 03:48:43.951 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 20 03:48:43.951 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.951 INFO kablam!     |
Sep 20 03:48:43.951 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 03:48:43.951 INFO kablam! 
Sep 20 03:48:43.951 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.951 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.951 INFO kablam!     |
Sep 20 03:48:43.951 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.951 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.951 INFO kablam!     |                     |
Sep 20 03:48:43.951 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.951 INFO kablam! ...
Sep 20 03:48:43.951 INFO kablam! 154 | bench_select_no_init!(select_no_init_chan_sync_unbuffered, chan::sync(0));
Sep 20 03:48:43.951 INFO kablam!     | -------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.951 INFO kablam! 
Sep 20 03:48:43.951 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.951 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.951 INFO kablam!     |
Sep 20 03:48:43.951 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.951 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.951 INFO kablam!     |                     |
Sep 20 03:48:43.951 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.951 INFO kablam! ...
Sep 20 03:48:43.951 INFO kablam! 155 | bench_select_no_init!(select_no_init_chan_sync_buffered, chan::sync(1));
Sep 20 03:48:43.951 INFO kablam!     | ------------------------------------------------------------------------ in this macro invocation
Sep 20 03:48:43.951 INFO kablam! 
Sep 20 03:48:43.951 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.951 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.951 INFO kablam!     |
Sep 20 03:48:43.951 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.952 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.952 INFO kablam!     |                     |
Sep 20 03:48:43.952 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.952 INFO kablam! ...
Sep 20 03:48:43.952 INFO kablam! 156 | bench_select_no_init!(select_no_init_chan_sync_buffered_all, chan::sync(1000));
Sep 20 03:48:43.952 INFO kablam!     | ------------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.952 INFO kablam! 
Sep 20 03:48:43.952 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.952 INFO kablam!    --> benches/throughput.rs:112:21
Sep 20 03:48:43.952 INFO kablam!     |
Sep 20 03:48:43.952 INFO kablam! 112 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.952 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.952 INFO kablam!     |                     |
Sep 20 03:48:43.952 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.952 INFO kablam! ...
Sep 20 03:48:43.952 INFO kablam! 157 | bench_select_no_init!(select_no_init_chan_async, chan::async());
Sep 20 03:48:43.952 INFO kablam!     | ---------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.952 INFO kablam! 
Sep 20 03:48:43.959 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.959 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.959 INFO kablam!     |
Sep 20 03:48:43.959 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.959 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.959 INFO kablam!     |                     |
Sep 20 03:48:43.959 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.959 INFO kablam! ...
Sep 20 03:48:43.959 INFO kablam! 225 | bench_select_with_init!(select_with_init_chan_sync_unbuffered, chan::sync(0));
Sep 20 03:48:43.959 INFO kablam!     | ------------------------------------------------------------------------------ in this macro invocation
Sep 20 03:48:43.959 INFO kablam! 
Sep 20 03:48:43.967 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.967 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.967 INFO kablam!     |
Sep 20 03:48:43.967 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.967 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.967 INFO kablam!     |                     |
Sep 20 03:48:43.967 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.967 INFO kablam! ...
Sep 20 03:48:43.967 INFO kablam! 226 | bench_select_with_init!(select_with_init_chan_sync_buffered, chan::sync(1));
Sep 20 03:48:43.967 INFO kablam!     | ---------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.967 INFO kablam! 
Sep 20 03:48:43.978 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.978 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.978 INFO kablam!     |
Sep 20 03:48:43.978 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.978 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.978 INFO kablam!     |                     |
Sep 20 03:48:43.979 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.979 INFO kablam! ...
Sep 20 03:48:43.979 INFO kablam! 227 | bench_select_with_init!(select_with_init_chan_sync_buffered_all, chan::sync(1000));
Sep 20 03:48:43.979 INFO kablam!     | ----------------------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.979 INFO kablam! 
Sep 20 03:48:43.983 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:48:43.983 INFO kablam!    --> benches/throughput.rs:182:21
Sep 20 03:48:43.983 INFO kablam!     |
Sep 20 03:48:43.983 INFO kablam! 182 |                 let mut done = &mut [false, false, false, false];
Sep 20 03:48:43.983 INFO kablam!     |                     ----^^^^
Sep 20 03:48:43.983 INFO kablam!     |                     |
Sep 20 03:48:43.983 INFO kablam!     |                     help: remove this `mut`
Sep 20 03:48:43.983 INFO kablam! ...
Sep 20 03:48:43.983 INFO kablam! 228 | bench_select_with_init!(select_with_init_chan_async, chan::async());
Sep 20 03:48:43.983 INFO kablam!     | -------------------------------------------------------------------- in this macro invocation
Sep 20 03:48:43.983 INFO kablam! 
Sep 20 03:48:44.569 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
Sep 20 03:48:44.583 INFO kablam! su: No module specific data is present
Sep 20 03:48:45.599 INFO running `"docker" "rm" "-f" "146321a3e4510d4ac5c898fe50a26b47d6d3f0b3bf9b5ec91cbdd7420569626e"`
Sep 20 03:48:45.907 INFO blam! 146321a3e4510d4ac5c898fe50a26b47d6d3f0b3bf9b5ec91cbdd7420569626e