Sep 05 22:13:06.422 INFO checking tac-0.2.3 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 22:13:06.422 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 22:13:06.422 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 22:13:06.759 INFO blam! fe500551273c860e9b71e406e932e8e94da54572ccf9b68cd422d0607d66891f
Sep 05 22:13:06.766 INFO running `"docker" "start" "-a" "fe500551273c860e9b71e406e932e8e94da54572ccf9b68cd422d0607d66891f"`
Sep 05 22:13:07.754 INFO kablam! usermod: no changes
Sep 05 22:13:07.826 INFO kablam!     Checking memmap v0.5.2
Sep 05 22:13:08.158 INFO kablam!     Checking tac v0.2.3 (file:///source)
Sep 05 22:13:08.393 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:13:08.393 INFO kablam!   --> src/main.rs:64:16
Sep 05 22:13:08.393 INFO kablam!    |
Sep 05 22:13:08.393 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 05 22:13:08.393 INFO kablam!    |                ----^^^^^^
Sep 05 22:13:08.393 INFO kablam!    |                |
Sep 05 22:13:08.394 INFO kablam!    |                help: remove this `mut`
Sep 05 22:13:08.394 INFO kablam!    |
Sep 05 22:13:08.394 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:13:08.394 INFO kablam! 
Sep 05 22:13:08.402 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:13:08.402 INFO kablam!   --> src/main.rs:64:16
Sep 05 22:13:08.402 INFO kablam!    |
Sep 05 22:13:08.402 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 05 22:13:08.402 INFO kablam!    |                ----^^^^^^
Sep 05 22:13:08.402 INFO kablam!    |                |
Sep 05 22:13:08.402 INFO kablam!    |                help: remove this `mut`
Sep 05 22:13:08.402 INFO kablam!    |
Sep 05 22:13:08.402 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:13:08.402 INFO kablam! 
Sep 05 22:13:08.425 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Sep 05 22:13:08.427 INFO kablam! su: No module specific data is present
Sep 05 22:13:09.166 INFO running `"docker" "rm" "-f" "fe500551273c860e9b71e406e932e8e94da54572ccf9b68cd422d0607d66891f"`
Sep 05 22:13:09.368 INFO blam! fe500551273c860e9b71e406e932e8e94da54572ccf9b68cd422d0607d66891f