Dec 12 05:19:22.861 INFO checking variable_size_byte_writer-0.1.5 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 05:19:22.861 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 05:19:23.384 INFO [stdout] ab98960ada550f3ffad458df436fb2d71e992dc53fca5e49571e7475f2220737
Dec 12 05:19:23.387 INFO running `"docker" "start" "-a" "ab98960ada550f3ffad458df436fb2d71e992dc53fca5e49571e7475f2220737"`
Dec 12 05:19:24.920 INFO [stderr] usermod: no changes
Dec 12 05:19:25.001 INFO [stderr]     Checking typenum_loops v0.2.0
Dec 12 05:19:25.544 INFO [stderr]     Checking variable_size_byte_writer v0.1.5 (/source)
Dec 12 05:19:27.294 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:19:27.294 INFO [stderr]   --> benches/benches.rs:11:9
Dec 12 05:19:27.294 INFO [stderr]    |
Dec 12 05:19:27.294 INFO [stderr] 11 |     let mut target = std::io::Cursor::new(vec![]);
Dec 12 05:19:27.294 INFO [stderr]    |         ----^^^^^^
Dec 12 05:19:27.294 INFO [stderr]    |         |
Dec 12 05:19:27.294 INFO [stderr]    |         help: remove this `mut`
Dec 12 05:19:27.294 INFO [stderr]    |
Dec 12 05:19:27.294 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 05:19:27.294 INFO [stderr] 
Dec 12 05:19:27.296 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:19:27.296 INFO [stderr]   --> benches/benches.rs:32:9
Dec 12 05:19:27.296 INFO [stderr]    |
Dec 12 05:19:27.296 INFO [stderr] 32 |     let mut target = std::io::Cursor::new(vec![]);
Dec 12 05:19:27.296 INFO [stderr]    |         ----^^^^^^
Dec 12 05:19:27.296 INFO [stderr]    |         |
Dec 12 05:19:27.296 INFO [stderr]    |         help: remove this `mut`
Dec 12 05:19:27.296 INFO [stderr] 
Dec 12 05:19:27.298 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:19:27.298 INFO [stderr]   --> benches/benches.rs:53:9
Dec 12 05:19:27.298 INFO [stderr]    |
Dec 12 05:19:27.298 INFO [stderr] 53 |     let mut target = std::io::Cursor::new(vec![]);
Dec 12 05:19:27.298 INFO [stderr]    |         ----^^^^^^
Dec 12 05:19:27.298 INFO [stderr]    |         |
Dec 12 05:19:27.298 INFO [stderr]    |         help: remove this `mut`
Dec 12 05:19:27.298 INFO [stderr] 
Dec 12 05:19:27.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
Dec 12 05:19:27.365 INFO [stderr] su: No module specific data is present
Dec 12 05:19:28.337 INFO running `"docker" "inspect" "ab98960ada550f3ffad458df436fb2d71e992dc53fca5e49571e7475f2220737"`
Dec 12 05:19:28.520 INFO running `"docker" "rm" "-f" "ab98960ada550f3ffad458df436fb2d71e992dc53fca5e49571e7475f2220737"`
Dec 12 05:19:28.894 INFO [stdout] ab98960ada550f3ffad458df436fb2d71e992dc53fca5e49571e7475f2220737