Nov 28 17:07:54.139 INFO checking tac-0.2.3 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 17:07:54.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 17:07:54.317 INFO [stdout] 6cfa38c9f6ffa44e984655d14eef84597823b22a0216c4ac21675d468dec62da
Nov 28 17:07:54.320 INFO running `"docker" "start" "-a" "6cfa38c9f6ffa44e984655d14eef84597823b22a0216c4ac21675d468dec62da"`
Nov 28 17:07:54.951 INFO [stderr] usermod: no changes
Nov 28 17:07:55.007 INFO [stderr]     Checking memmap v0.5.2
Nov 28 17:07:55.007 INFO [stderr]     Checking uuid v0.4.0
Nov 28 17:07:55.824 INFO [stderr]     Checking tac v0.2.3 (/source)
Nov 28 17:07:56.692 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:07:56.692 INFO [stderr]   --> src/main.rs:64:16
Nov 28 17:07:56.692 INFO [stderr]    |
Nov 28 17:07:56.692 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 28 17:07:56.692 INFO [stderr]    |                ----^^^^^^
Nov 28 17:07:56.692 INFO [stderr]    |                |
Nov 28 17:07:56.692 INFO [stderr]    |                help: remove this `mut`
Nov 28 17:07:56.692 INFO [stderr]    |
Nov 28 17:07:56.692 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 17:07:56.692 INFO [stderr] 
Nov 28 17:07:56.872 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:07:56.872 INFO [stderr]   --> src/main.rs:64:16
Nov 28 17:07:56.872 INFO [stderr]    |
Nov 28 17:07:56.872 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 28 17:07:56.872 INFO [stderr]    |                ----^^^^^^
Nov 28 17:07:56.872 INFO [stderr]    |                |
Nov 28 17:07:56.872 INFO [stderr]    |                help: remove this `mut`
Nov 28 17:07:56.872 INFO [stderr]    |
Nov 28 17:07:56.872 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 17:07:56.872 INFO [stderr] 
Nov 28 17:07:56.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Nov 28 17:07:56.908 INFO [stderr] su: No module specific data is present
Nov 28 17:07:57.363 INFO running `"docker" "inspect" "6cfa38c9f6ffa44e984655d14eef84597823b22a0216c4ac21675d468dec62da"`
Nov 28 17:07:57.660 INFO running `"docker" "rm" "-f" "6cfa38c9f6ffa44e984655d14eef84597823b22a0216c4ac21675d468dec62da"`
Nov 28 17:07:57.916 INFO [stdout] 6cfa38c9f6ffa44e984655d14eef84597823b22a0216c4ac21675d468dec62da