Dec 11 09:50:53.396 INFO checking seeba8/rustsweeper against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 09:50:53.396 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 09:50:53.834 INFO [stdout] 437dacce11e8471c0e1710ac0976c18e45e08843a1a6d99e02aa96c4b6dbb8be
Dec 11 09:50:53.836 INFO running `"docker" "start" "-a" "437dacce11e8471c0e1710ac0976c18e45e08843a1a6d99e02aa96c4b6dbb8be"`
Dec 11 09:50:55.188 INFO [stderr] usermod: no changes
Dec 11 09:50:55.248 INFO [stderr]     Checking rustsweeper v0.1.0 (/source)
Dec 11 09:50:55.708 INFO [stderr] warning: unused import: `std::fmt`
Dec 11 09:50:55.708 INFO [stderr]  --> src/main.rs:4:5
Dec 11 09:50:55.708 INFO [stderr]   |
Dec 11 09:50:55.709 INFO [stderr] 4 | use std::fmt;
Dec 11 09:50:55.709 INFO [stderr]   |     ^^^^^^^^
Dec 11 09:50:55.709 INFO [stderr]   |
Dec 11 09:50:55.709 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:50:55.710 INFO [stderr] 
Dec 11 09:50:55.764 INFO [stderr] warning: unused import: `std::fmt`
Dec 11 09:50:55.764 INFO [stderr]  --> src/main.rs:4:5
Dec 11 09:50:55.765 INFO [stderr]   |
Dec 11 09:50:55.765 INFO [stderr] 4 | use std::fmt;
Dec 11 09:50:55.765 INFO [stderr]   |     ^^^^^^^^
Dec 11 09:50:55.765 INFO [stderr]   |
Dec 11 09:50:55.765 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:50:55.766 INFO [stderr] 
Dec 11 09:50:55.844 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:50:55.844 INFO [stderr]   --> src/main.rs:61:13
Dec 11 09:50:55.844 INFO [stderr]    |
Dec 11 09:50:55.844 INFO [stderr] 61 |         let mut state = [[FieldState::None; 9]; 9];
Dec 11 09:50:55.844 INFO [stderr]    |             ----^^^^^
Dec 11 09:50:55.844 INFO [stderr]    |             |
Dec 11 09:50:55.844 INFO [stderr]    |             help: remove this `mut`
Dec 11 09:50:55.844 INFO [stderr]    |
Dec 11 09:50:55.844 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 09:50:55.844 INFO [stderr] 
Dec 11 09:50:55.892 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:50:55.892 INFO [stderr]   --> src/main.rs:61:13
Dec 11 09:50:55.892 INFO [stderr]    |
Dec 11 09:50:55.892 INFO [stderr] 61 |         let mut state = [[FieldState::None; 9]; 9];
Dec 11 09:50:55.892 INFO [stderr]    |             ----^^^^^
Dec 11 09:50:55.892 INFO [stderr]    |             |
Dec 11 09:50:55.892 INFO [stderr]    |             help: remove this `mut`
Dec 11 09:50:55.892 INFO [stderr]    |
Dec 11 09:50:55.892 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 09:50:55.892 INFO [stderr] 
Dec 11 09:50:55.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 11 09:50:55.959 INFO [stderr] su: No module specific data is present
Dec 11 09:50:56.558 INFO running `"docker" "inspect" "437dacce11e8471c0e1710ac0976c18e45e08843a1a6d99e02aa96c4b6dbb8be"`
Dec 11 09:50:57.074 INFO running `"docker" "rm" "-f" "437dacce11e8471c0e1710ac0976c18e45e08843a1a6d99e02aa96c4b6dbb8be"`
Dec 11 09:50:57.435 INFO [stdout] 437dacce11e8471c0e1710ac0976c18e45e08843a1a6d99e02aa96c4b6dbb8be