Sep 14 08:00:11.076 INFO checking tac-0.2.3 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 08:00:11.076 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 08:00:11.076 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-6/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 08:00:11.228 INFO blam! 3c66771e663838ea414bc353f606d8351eeab08cf432ecfbc80d2f93ec29bb3f
Sep 14 08:00:11.228 INFO running `"docker" "start" "-a" "3c66771e663838ea414bc353f606d8351eeab08cf432ecfbc80d2f93ec29bb3f"`
Sep 14 08:00:12.090 INFO kablam! usermod: no changes
Sep 14 08:00:12.131 INFO kablam!     Checking memmap v0.5.2
Sep 14 08:00:12.132 INFO kablam!     Checking uuid v0.4.0
Sep 14 08:00:12.614 INFO kablam!     Checking tac v0.2.3 (file:///source)
Sep 14 08:00:12.927 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:00:12.927 INFO kablam!   --> src/main.rs:64:16
Sep 14 08:00:12.927 INFO kablam!    |
Sep 14 08:00:12.927 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 14 08:00:12.927 INFO kablam!    |                ----^^^^^^
Sep 14 08:00:12.927 INFO kablam!    |                |
Sep 14 08:00:12.927 INFO kablam!    |                help: remove this `mut`
Sep 14 08:00:12.927 INFO kablam!    |
Sep 14 08:00:12.927 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 08:00:12.927 INFO kablam! 
Sep 14 08:00:13.075 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:00:13.075 INFO kablam!   --> src/main.rs:64:16
Sep 14 08:00:13.075 INFO kablam!    |
Sep 14 08:00:13.075 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 14 08:00:13.075 INFO kablam!    |                ----^^^^^^
Sep 14 08:00:13.075 INFO kablam!    |                |
Sep 14 08:00:13.075 INFO kablam!    |                help: remove this `mut`
Sep 14 08:00:13.075 INFO kablam!    |
Sep 14 08:00:13.075 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 08:00:13.075 INFO kablam! 
Sep 14 08:00:13.123 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Sep 14 08:00:13.123 INFO kablam! su: No module specific data is present
Sep 14 08:00:14.096 INFO running `"docker" "rm" "-f" "3c66771e663838ea414bc353f606d8351eeab08cf432ecfbc80d2f93ec29bb3f"`
Sep 14 08:00:14.228 INFO blam! 3c66771e663838ea414bc353f606d8351eeab08cf432ecfbc80d2f93ec29bb3f