Nov 27 20:47:35.198 INFO checking seeba8/rustsweeper against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 20:47:35.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 20:47:35.681 INFO [stdout] fb3b980745f16371e25c521f6371170e3b917adced36bbc469b022ae0e54b672
Nov 27 20:47:35.686 INFO running `"docker" "start" "-a" "fb3b980745f16371e25c521f6371170e3b917adced36bbc469b022ae0e54b672"`
Nov 27 20:47:36.849 INFO [stderr] usermod: no changes
Nov 27 20:47:36.909 INFO [stderr]     Checking rustsweeper v0.1.0 (/source)
Nov 27 20:47:37.397 INFO [stderr] warning: unused import: `std::fmt`
Nov 27 20:47:37.397 INFO [stderr]  --> src/main.rs:4:5
Nov 27 20:47:37.397 INFO [stderr]   |
Nov 27 20:47:37.397 INFO [stderr] 4 | use std::fmt;
Nov 27 20:47:37.397 INFO [stderr]   |     ^^^^^^^^
Nov 27 20:47:37.397 INFO [stderr]   |
Nov 27 20:47:37.397 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:47:37.397 INFO [stderr] 
Nov 27 20:47:37.463 INFO [stderr] warning: unused import: `std::fmt`
Nov 27 20:47:37.463 INFO [stderr]  --> src/main.rs:4:5
Nov 27 20:47:37.463 INFO [stderr]   |
Nov 27 20:47:37.464 INFO [stderr] 4 | use std::fmt;
Nov 27 20:47:37.464 INFO [stderr]   |     ^^^^^^^^
Nov 27 20:47:37.464 INFO [stderr]   |
Nov 27 20:47:37.465 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:47:37.465 INFO [stderr] 
Nov 27 20:47:37.550 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:47:37.550 INFO [stderr]   --> src/main.rs:61:13
Nov 27 20:47:37.550 INFO [stderr]    |
Nov 27 20:47:37.550 INFO [stderr] 61 |         let mut state = [[FieldState::None; 9]; 9];
Nov 27 20:47:37.550 INFO [stderr]    |             ----^^^^^
Nov 27 20:47:37.550 INFO [stderr]    |             |
Nov 27 20:47:37.550 INFO [stderr]    |             help: remove this `mut`
Nov 27 20:47:37.551 INFO [stderr]    |
Nov 27 20:47:37.551 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:47:37.551 INFO [stderr] 
Nov 27 20:47:37.583 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:47:37.584 INFO [stderr]   --> src/main.rs:61:13
Nov 27 20:47:37.584 INFO [stderr]    |
Nov 27 20:47:37.584 INFO [stderr] 61 |         let mut state = [[FieldState::None; 9]; 9];
Nov 27 20:47:37.584 INFO [stderr]    |             ----^^^^^
Nov 27 20:47:37.584 INFO [stderr]    |             |
Nov 27 20:47:37.584 INFO [stderr]    |             help: remove this `mut`
Nov 27 20:47:37.584 INFO [stderr]    |
Nov 27 20:47:37.584 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:47:37.584 INFO [stderr] 
Nov 27 20:47:37.637 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 27 20:47:37.645 INFO [stderr] su: No module specific data is present
Nov 27 20:47:38.598 INFO running `"docker" "inspect" "fb3b980745f16371e25c521f6371170e3b917adced36bbc469b022ae0e54b672"`
Nov 27 20:47:38.790 INFO running `"docker" "rm" "-f" "fb3b980745f16371e25c521f6371170e3b917adced36bbc469b022ae0e54b672"`
Nov 27 20:47:39.135 INFO [stdout] fb3b980745f16371e25c521f6371170e3b917adced36bbc469b022ae0e54b672