Sep 19 19:16:13.445 INFO checking tac-0.2.3 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 19:16:13.445 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 19:16:13.445 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:16:13.611 INFO blam! 70ef64e3185c178fa8e9de4d0dbd08da098d21b866449f2c72b3209dbd009934
Sep 19 19:16:13.613 INFO running `"docker" "start" "-a" "70ef64e3185c178fa8e9de4d0dbd08da098d21b866449f2c72b3209dbd009934"`
Sep 19 19:16:14.233 INFO kablam! usermod: no changes
Sep 19 19:16:14.268 INFO kablam!     Checking memmap v0.5.2
Sep 19 19:16:14.280 INFO kablam!     Checking uuid v0.4.0
Sep 19 19:16:14.862 INFO kablam!     Checking tac v0.2.3 (/source)
Sep 19 19:16:15.174 INFO kablam! warning: variable does not need to be mutable
Sep 19 19:16:15.174 INFO kablam!   --> src/main.rs:64:16
Sep 19 19:16:15.174 INFO kablam!    |
Sep 19 19:16:15.174 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 19 19:16:15.174 INFO kablam!    |                ----^^^^^^
Sep 19 19:16:15.174 INFO kablam!    |                |
Sep 19 19:16:15.174 INFO kablam!    |                help: remove this `mut`
Sep 19 19:16:15.174 INFO kablam!    |
Sep 19 19:16:15.174 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 19:16:15.174 INFO kablam! 
Sep 19 19:16:15.219 INFO kablam! warning: variable does not need to be mutable
Sep 19 19:16:15.219 INFO kablam!   --> src/main.rs:64:16
Sep 19 19:16:15.219 INFO kablam!    |
Sep 19 19:16:15.219 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 19 19:16:15.219 INFO kablam!    |                ----^^^^^^
Sep 19 19:16:15.219 INFO kablam!    |                |
Sep 19 19:16:15.219 INFO kablam!    |                help: remove this `mut`
Sep 19 19:16:15.219 INFO kablam!    |
Sep 19 19:16:15.219 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 19:16:15.219 INFO kablam! 
Sep 19 19:16:15.245 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Sep 19 19:16:15.249 INFO kablam! su: No module specific data is present
Sep 19 19:16:15.894 INFO running `"docker" "rm" "-f" "70ef64e3185c178fa8e9de4d0dbd08da098d21b866449f2c72b3209dbd009934"`
Sep 19 19:16:15.973 INFO blam! 70ef64e3185c178fa8e9de4d0dbd08da098d21b866449f2c72b3209dbd009934