Sep 10 08:07:47.346 INFO checking tac-0.2.3 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 08:07:47.346 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 08:07:47.346 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 08:07:47.591 INFO blam! 883d4891651422df8b2b5cad83a8e2585e3a879271853f8fcf09debde58ba3e0
Sep 10 08:07:47.595 INFO running `"docker" "start" "-a" "883d4891651422df8b2b5cad83a8e2585e3a879271853f8fcf09debde58ba3e0"`
Sep 10 08:07:48.482 INFO kablam! usermod: no changes
Sep 10 08:07:48.558 INFO kablam!     Checking memmap v0.5.2
Sep 10 08:07:49.026 INFO kablam!     Checking tac v0.2.3 (file:///source)
Sep 10 08:07:49.542 INFO kablam! warning: variable does not need to be mutable
Sep 10 08:07:49.542 INFO kablam!   --> src/main.rs:64:16
Sep 10 08:07:49.542 INFO kablam!    |
Sep 10 08:07:49.542 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 10 08:07:49.542 INFO kablam!    |                ----^^^^^^
Sep 10 08:07:49.542 INFO kablam!    |                |
Sep 10 08:07:49.542 INFO kablam!    |                help: remove this `mut`
Sep 10 08:07:49.542 INFO kablam!    |
Sep 10 08:07:49.542 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 08:07:49.542 INFO kablam! 
Sep 10 08:07:49.654 INFO kablam! warning: variable does not need to be mutable
Sep 10 08:07:49.654 INFO kablam!   --> src/main.rs:64:16
Sep 10 08:07:49.654 INFO kablam!    |
Sep 10 08:07:49.654 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 10 08:07:49.654 INFO kablam!    |                ----^^^^^^
Sep 10 08:07:49.654 INFO kablam!    |                |
Sep 10 08:07:49.654 INFO kablam!    |                help: remove this `mut`
Sep 10 08:07:49.654 INFO kablam!    |
Sep 10 08:07:49.654 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 08:07:49.654 INFO kablam! 
Sep 10 08:07:49.698 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Sep 10 08:07:49.698 INFO kablam! su: No module specific data is present
Sep 10 08:07:50.795 INFO running `"docker" "rm" "-f" "883d4891651422df8b2b5cad83a8e2585e3a879271853f8fcf09debde58ba3e0"`
Sep 10 08:07:50.904 INFO blam! 883d4891651422df8b2b5cad83a8e2585e3a879271853f8fcf09debde58ba3e0