Dec 13 22:35:43.876 INFO testing daemanos/sudoku against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 22:35:43.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 22:35:44.256 INFO [stdout] a47ea0a3f1f839712b7b3f5114ec0441dab86925c200a88ea6b476694547f17b
Dec 13 22:35:44.260 INFO running `"docker" "start" "-a" "a47ea0a3f1f839712b7b3f5114ec0441dab86925c200a88ea6b476694547f17b"`
Dec 13 22:35:44.802 INFO [stderr] usermod: no changes
Dec 13 22:35:44.832 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 13 22:35:45.191 INFO [stderr] warning: unused variable: `grid`
Dec 13 22:35:45.191 INFO [stderr]   --> src/main.rs:82:9
Dec 13 22:35:45.191 INFO [stderr]    |
Dec 13 22:35:45.191 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Dec 13 22:35:45.191 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Dec 13 22:35:45.191 INFO [stderr]    |
Dec 13 22:35:45.191 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 22:35:45.191 INFO [stderr] 
Dec 13 22:35:45.200 INFO [stderr] warning: field is never used: `fixed`
Dec 13 22:35:45.200 INFO [stderr]  --> src/main.rs:9:5
Dec 13 22:35:45.200 INFO [stderr]   |
Dec 13 22:35:45.200 INFO [stderr] 9 |     fixed: bool,
Dec 13 22:35:45.200 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 22:35:45.200 INFO [stderr]   |
Dec 13 22:35:45.200 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 22:35:45.200 INFO [stderr] 
Dec 13 22:35:45.200 INFO [stderr] warning: field is never used: `val`
Dec 13 22:35:45.200 INFO [stderr]   --> src/main.rs:10:5
Dec 13 22:35:45.200 INFO [stderr]    |
Dec 13 22:35:45.200 INFO [stderr] 10 |     val: i8,
Dec 13 22:35:45.200 INFO [stderr]    |     ^^^^^^^
Dec 13 22:35:45.200 INFO [stderr] 
Dec 13 22:35:45.200 INFO [stderr] warning: field is never used: `size`
Dec 13 22:35:45.200 INFO [stderr]   --> src/main.rs:14:5
Dec 13 22:35:45.200 INFO [stderr]    |
Dec 13 22:35:45.200 INFO [stderr] 14 |     size: i8,
Dec 13 22:35:45.200 INFO [stderr]    |     ^^^^^^^^
Dec 13 22:35:45.200 INFO [stderr] 
Dec 13 22:35:45.200 INFO [stderr] warning: field is never used: `block_size`
Dec 13 22:35:45.200 INFO [stderr]   --> src/main.rs:15:5
Dec 13 22:35:45.200 INFO [stderr]    |
Dec 13 22:35:45.200 INFO [stderr] 15 |     block_size: i8,
Dec 13 22:35:45.200 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 22:35:45.201 INFO [stderr] 
Dec 13 22:35:45.201 INFO [stderr] warning: field is never used: `data`
Dec 13 22:35:45.201 INFO [stderr]   --> src/main.rs:16:5
Dec 13 22:35:45.201 INFO [stderr]    |
Dec 13 22:35:45.201 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Dec 13 22:35:45.201 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:45.201 INFO [stderr] 
Dec 13 22:35:45.209 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 22:35:45.209 INFO [stderr]   --> src/main.rs:36:5
Dec 13 22:35:45.209 INFO [stderr]    |
Dec 13 22:35:45.209 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Dec 13 22:35:45.209 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:45.209 INFO [stderr]    |
Dec 13 22:35:45.209 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 22:35:45.209 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 22:35:45.209 INFO [stderr] 
Dec 13 22:35:45.799 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 13 22:35:45.803 INFO [stderr] su: No module specific data is present
Dec 13 22:35:46.181 INFO running `"docker" "inspect" "a47ea0a3f1f839712b7b3f5114ec0441dab86925c200a88ea6b476694547f17b"`
Dec 13 22:35:46.245 INFO running `"docker" "rm" "-f" "a47ea0a3f1f839712b7b3f5114ec0441dab86925c200a88ea6b476694547f17b"`
Dec 13 22:35:46.327 INFO [stdout] a47ea0a3f1f839712b7b3f5114ec0441dab86925c200a88ea6b476694547f17b
Dec 13 22:35:46.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 22:35:46.478 INFO [stdout] 6cfb5ed8b489934f0de15df98cdb098a32c42502c6a0937c231fc23ab3c7f5a6
Dec 13 22:35:46.480 INFO running `"docker" "start" "-a" "6cfb5ed8b489934f0de15df98cdb098a32c42502c6a0937c231fc23ab3c7f5a6"`
Dec 13 22:35:47.141 INFO [stderr] usermod: no changes
Dec 13 22:35:47.174 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 13 22:35:47.594 INFO [stderr] warning: unused variable: `grid`
Dec 13 22:35:47.594 INFO [stderr]   --> src/main.rs:82:9
Dec 13 22:35:47.594 INFO [stderr]    |
Dec 13 22:35:47.594 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Dec 13 22:35:47.594 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Dec 13 22:35:47.594 INFO [stderr]    |
Dec 13 22:35:47.594 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 22:35:47.594 INFO [stderr] 
Dec 13 22:35:47.606 INFO [stderr] warning: field is never used: `fixed`
Dec 13 22:35:47.606 INFO [stderr]  --> src/main.rs:9:5
Dec 13 22:35:47.606 INFO [stderr]   |
Dec 13 22:35:47.606 INFO [stderr] 9 |     fixed: bool,
Dec 13 22:35:47.606 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 22:35:47.606 INFO [stderr]   |
Dec 13 22:35:47.606 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 22:35:47.606 INFO [stderr] 
Dec 13 22:35:47.606 INFO [stderr] warning: field is never used: `val`
Dec 13 22:35:47.606 INFO [stderr]   --> src/main.rs:10:5
Dec 13 22:35:47.606 INFO [stderr]    |
Dec 13 22:35:47.606 INFO [stderr] 10 |     val: i8,
Dec 13 22:35:47.606 INFO [stderr]    |     ^^^^^^^
Dec 13 22:35:47.606 INFO [stderr] 
Dec 13 22:35:47.606 INFO [stderr] warning: field is never used: `size`
Dec 13 22:35:47.606 INFO [stderr]   --> src/main.rs:14:5
Dec 13 22:35:47.606 INFO [stderr]    |
Dec 13 22:35:47.606 INFO [stderr] 14 |     size: i8,
Dec 13 22:35:47.606 INFO [stderr]    |     ^^^^^^^^
Dec 13 22:35:47.606 INFO [stderr] 
Dec 13 22:35:47.606 INFO [stderr] warning: field is never used: `block_size`
Dec 13 22:35:47.606 INFO [stderr]   --> src/main.rs:15:5
Dec 13 22:35:47.606 INFO [stderr]    |
Dec 13 22:35:47.606 INFO [stderr] 15 |     block_size: i8,
Dec 13 22:35:47.606 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 22:35:47.606 INFO [stderr] 
Dec 13 22:35:47.606 INFO [stderr] warning: field is never used: `data`
Dec 13 22:35:47.606 INFO [stderr]   --> src/main.rs:16:5
Dec 13 22:35:47.606 INFO [stderr]    |
Dec 13 22:35:47.606 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Dec 13 22:35:47.606 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:47.606 INFO [stderr] 
Dec 13 22:35:47.613 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 22:35:47.613 INFO [stderr]   --> src/main.rs:36:5
Dec 13 22:35:47.613 INFO [stderr]    |
Dec 13 22:35:47.613 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Dec 13 22:35:47.613 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:47.613 INFO [stderr]    |
Dec 13 22:35:47.613 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 22:35:47.613 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 22:35:47.613 INFO [stderr] 
Dec 13 22:35:47.832 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 13 22:35:47.835 INFO [stderr] su: No module specific data is present
Dec 13 22:35:48.392 INFO running `"docker" "inspect" "6cfb5ed8b489934f0de15df98cdb098a32c42502c6a0937c231fc23ab3c7f5a6"`
Dec 13 22:35:48.612 INFO running `"docker" "rm" "-f" "6cfb5ed8b489934f0de15df98cdb098a32c42502c6a0937c231fc23ab3c7f5a6"`
Dec 13 22:35:48.777 INFO [stdout] 6cfb5ed8b489934f0de15df98cdb098a32c42502c6a0937c231fc23ab3c7f5a6
Dec 13 22:35:48.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 22:35:48.964 INFO [stdout] a53f2887d6b027d349b5db030f6aceafff1d0ca82efd352c1473ea26d01fcf5f
Dec 13 22:35:48.966 INFO running `"docker" "start" "-a" "a53f2887d6b027d349b5db030f6aceafff1d0ca82efd352c1473ea26d01fcf5f"`
Dec 13 22:35:49.548 INFO [stderr] usermod: no changes
Dec 13 22:35:49.578 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 22:35:49.579 INFO [stderr]      Running /target/debug/deps/sudoku-6d29cab186b85a3d
Dec 13 22:35:49.580 INFO [stdout] 
Dec 13 22:35:49.580 INFO [stdout] running 0 tests
Dec 13 22:35:49.580 INFO [stdout] 
Dec 13 22:35:49.580 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 22:35:49.580 INFO [stdout] 
Dec 13 22:35:49.582 INFO [stderr] su: No module specific data is present
Dec 13 22:35:49.839 INFO running `"docker" "inspect" "a53f2887d6b027d349b5db030f6aceafff1d0ca82efd352c1473ea26d01fcf5f"`
Dec 13 22:35:50.055 INFO running `"docker" "rm" "-f" "a53f2887d6b027d349b5db030f6aceafff1d0ca82efd352c1473ea26d01fcf5f"`
Dec 13 22:35:50.158 INFO [stdout] a53f2887d6b027d349b5db030f6aceafff1d0ca82efd352c1473ea26d01fcf5f