Nov 30 04:43:20.702 INFO checking daemanos/sudoku against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 04:43:20.702 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 04:43:21.075 INFO [stdout] 9390db29a248d1fd851627f109a59610cce635b3d44ad20f54849e167cd4d40b
Nov 30 04:43:21.077 INFO running `"docker" "start" "-a" "9390db29a248d1fd851627f109a59610cce635b3d44ad20f54849e167cd4d40b"`
Nov 30 04:43:22.552 INFO [stderr] usermod: no changes
Nov 30 04:43:22.612 INFO [stderr]     Checking sudoku v0.1.0 (/source)
Nov 30 04:43:23.192 INFO [stderr] warning: unused variable: `grid`
Nov 30 04:43:23.192 INFO [stderr]   --> src/main.rs:82:9
Nov 30 04:43:23.192 INFO [stderr]    |
Nov 30 04:43:23.192 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Nov 30 04:43:23.192 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Nov 30 04:43:23.192 INFO [stderr]    |
Nov 30 04:43:23.192 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 04:43:23.192 INFO [stderr] 
Nov 30 04:43:23.210 INFO [stderr] warning: field is never used: `fixed`
Nov 30 04:43:23.210 INFO [stderr]  --> src/main.rs:9:5
Nov 30 04:43:23.210 INFO [stderr]   |
Nov 30 04:43:23.210 INFO [stderr] 9 |     fixed: bool,
Nov 30 04:43:23.210 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 04:43:23.210 INFO [stderr]   |
Nov 30 04:43:23.210 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 04:43:23.210 INFO [stderr] 
Nov 30 04:43:23.210 INFO [stderr] warning: field is never used: `val`
Nov 30 04:43:23.210 INFO [stderr]   --> src/main.rs:10:5
Nov 30 04:43:23.210 INFO [stderr]    |
Nov 30 04:43:23.210 INFO [stderr] 10 |     val: i8,
Nov 30 04:43:23.210 INFO [stderr]    |     ^^^^^^^
Nov 30 04:43:23.210 INFO [stderr] 
Nov 30 04:43:23.210 INFO [stderr] warning: field is never used: `size`
Nov 30 04:43:23.210 INFO [stderr]   --> src/main.rs:14:5
Nov 30 04:43:23.210 INFO [stderr]    |
Nov 30 04:43:23.210 INFO [stderr] 14 |     size: i8,
Nov 30 04:43:23.210 INFO [stderr]    |     ^^^^^^^^
Nov 30 04:43:23.210 INFO [stderr] 
Nov 30 04:43:23.210 INFO [stderr] warning: field is never used: `block_size`
Nov 30 04:43:23.210 INFO [stderr]   --> src/main.rs:15:5
Nov 30 04:43:23.210 INFO [stderr]    |
Nov 30 04:43:23.210 INFO [stderr] 15 |     block_size: i8,
Nov 30 04:43:23.210 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 30 04:43:23.210 INFO [stderr] 
Nov 30 04:43:23.210 INFO [stderr] warning: field is never used: `data`
Nov 30 04:43:23.210 INFO [stderr]   --> src/main.rs:16:5
Nov 30 04:43:23.210 INFO [stderr]    |
Nov 30 04:43:23.210 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Nov 30 04:43:23.210 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 04:43:23.210 INFO [stderr] 
Nov 30 04:43:23.228 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 04:43:23.228 INFO [stderr]   --> src/main.rs:36:5
Nov 30 04:43:23.228 INFO [stderr]    |
Nov 30 04:43:23.228 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Nov 30 04:43:23.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:43:23.231 INFO [stderr]    |
Nov 30 04:43:23.231 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 04:43:23.231 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 04:43:23.231 INFO [stderr] 
Nov 30 04:43:23.374 INFO [stderr] warning: unused variable: `grid`
Nov 30 04:43:23.374 INFO [stderr]   --> src/main.rs:82:9
Nov 30 04:43:23.374 INFO [stderr]    |
Nov 30 04:43:23.374 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Nov 30 04:43:23.374 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Nov 30 04:43:23.374 INFO [stderr]    |
Nov 30 04:43:23.374 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 04:43:23.374 INFO [stderr] 
Nov 30 04:43:23.401 INFO [stderr] warning: field is never used: `fixed`
Nov 30 04:43:23.401 INFO [stderr]  --> src/main.rs:9:5
Nov 30 04:43:23.401 INFO [stderr]   |
Nov 30 04:43:23.401 INFO [stderr] 9 |     fixed: bool,
Nov 30 04:43:23.401 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 04:43:23.401 INFO [stderr]   |
Nov 30 04:43:23.401 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 04:43:23.401 INFO [stderr] 
Nov 30 04:43:23.401 INFO [stderr] warning: field is never used: `val`
Nov 30 04:43:23.401 INFO [stderr]   --> src/main.rs:10:5
Nov 30 04:43:23.401 INFO [stderr]    |
Nov 30 04:43:23.401 INFO [stderr] 10 |     val: i8,
Nov 30 04:43:23.401 INFO [stderr]    |     ^^^^^^^
Nov 30 04:43:23.401 INFO [stderr] 
Nov 30 04:43:23.401 INFO [stderr] warning: field is never used: `size`
Nov 30 04:43:23.401 INFO [stderr]   --> src/main.rs:14:5
Nov 30 04:43:23.401 INFO [stderr]    |
Nov 30 04:43:23.401 INFO [stderr] 14 |     size: i8,
Nov 30 04:43:23.401 INFO [stderr]    |     ^^^^^^^^
Nov 30 04:43:23.401 INFO [stderr] 
Nov 30 04:43:23.401 INFO [stderr] warning: field is never used: `block_size`
Nov 30 04:43:23.401 INFO [stderr]   --> src/main.rs:15:5
Nov 30 04:43:23.401 INFO [stderr]    |
Nov 30 04:43:23.401 INFO [stderr] 15 |     block_size: i8,
Nov 30 04:43:23.401 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 30 04:43:23.401 INFO [stderr] 
Nov 30 04:43:23.401 INFO [stderr] warning: field is never used: `data`
Nov 30 04:43:23.401 INFO [stderr]   --> src/main.rs:16:5
Nov 30 04:43:23.401 INFO [stderr]    |
Nov 30 04:43:23.401 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Nov 30 04:43:23.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 04:43:23.401 INFO [stderr] 
Nov 30 04:43:23.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 04:43:23.408 INFO [stderr]   --> src/main.rs:36:5
Nov 30 04:43:23.408 INFO [stderr]    |
Nov 30 04:43:23.409 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Nov 30 04:43:23.409 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:43:23.409 INFO [stderr]    |
Nov 30 04:43:23.409 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 04:43:23.409 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 04:43:23.409 INFO [stderr] 
Nov 30 04:43:23.433 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 30 04:43:23.435 INFO [stderr] su: No module specific data is present
Nov 30 04:43:24.404 INFO running `"docker" "inspect" "9390db29a248d1fd851627f109a59610cce635b3d44ad20f54849e167cd4d40b"`
Nov 30 04:43:24.627 INFO running `"docker" "rm" "-f" "9390db29a248d1fd851627f109a59610cce635b3d44ad20f54849e167cd4d40b"`
Nov 30 04:43:24.952 INFO [stdout] 9390db29a248d1fd851627f109a59610cce635b3d44ad20f54849e167cd4d40b