Sep 17 16:20:58.344 INFO checking tac-0.2.3 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:20:58.344 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:20:58.344 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:20:58.564 INFO blam! 4d47c832839df2ed51c3579704fb4a2d8f092639b2eba6f38a9c95e78d0235e0
Sep 17 16:20:58.566 INFO running `"docker" "start" "-a" "4d47c832839df2ed51c3579704fb4a2d8f092639b2eba6f38a9c95e78d0235e0"`
Sep 17 16:20:59.494 INFO kablam! usermod: no changes
Sep 17 16:20:59.581 INFO kablam!     Checking memmap v0.5.2
Sep 17 16:20:59.943 INFO kablam!     Checking tac v0.2.3 (/source)
Sep 17 16:21:00.291 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:21:00.291 INFO kablam!   --> src/main.rs:64:16
Sep 17 16:21:00.291 INFO kablam!    |
Sep 17 16:21:00.291 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 17 16:21:00.291 INFO kablam!    |                ----^^^^^^
Sep 17 16:21:00.291 INFO kablam!    |                |
Sep 17 16:21:00.291 INFO kablam!    |                help: remove this `mut`
Sep 17 16:21:00.291 INFO kablam!    |
Sep 17 16:21:00.291 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:21:00.291 INFO kablam! 
Sep 17 16:21:00.419 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:21:00.419 INFO kablam!   --> src/main.rs:64:16
Sep 17 16:21:00.419 INFO kablam!    |
Sep 17 16:21:00.419 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 17 16:21:00.419 INFO kablam!    |                ----^^^^^^
Sep 17 16:21:00.419 INFO kablam!    |                |
Sep 17 16:21:00.419 INFO kablam!    |                help: remove this `mut`
Sep 17 16:21:00.419 INFO kablam!    |
Sep 17 16:21:00.419 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:21:00.419 INFO kablam! 
Sep 17 16:21:00.443 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Sep 17 16:21:00.445 INFO kablam! su: No module specific data is present
Sep 17 16:21:01.126 INFO running `"docker" "rm" "-f" "4d47c832839df2ed51c3579704fb4a2d8f092639b2eba6f38a9c95e78d0235e0"`
Sep 17 16:21:01.201 INFO blam! 4d47c832839df2ed51c3579704fb4a2d8f092639b2eba6f38a9c95e78d0235e0