Dec 13 22:35:46.826 INFO testing daemanos/sudoku against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 22:35:46.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 22:35:47.069 INFO [stdout] dbd8e2980b148bcfb954359470940b9429353b56eedfe263020595eb40e75113
Dec 13 22:35:47.073 INFO running `"docker" "start" "-a" "dbd8e2980b148bcfb954359470940b9429353b56eedfe263020595eb40e75113"`
Dec 13 22:35:47.824 INFO [stderr] usermod: no changes
Dec 13 22:35:47.903 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 13 22:35:48.343 INFO [stderr] warning: unused variable: `grid`
Dec 13 22:35:48.343 INFO [stderr]   --> src/main.rs:82:9
Dec 13 22:35:48.343 INFO [stderr]    |
Dec 13 22:35:48.343 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Dec 13 22:35:48.343 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Dec 13 22:35:48.343 INFO [stderr]    |
Dec 13 22:35:48.343 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 22:35:48.343 INFO [stderr] 
Dec 13 22:35:48.351 INFO [stderr] warning: field is never used: `fixed`
Dec 13 22:35:48.351 INFO [stderr]  --> src/main.rs:9:5
Dec 13 22:35:48.351 INFO [stderr]   |
Dec 13 22:35:48.351 INFO [stderr] 9 |     fixed: bool,
Dec 13 22:35:48.351 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 22:35:48.351 INFO [stderr]   |
Dec 13 22:35:48.351 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 22:35:48.351 INFO [stderr] 
Dec 13 22:35:48.351 INFO [stderr] warning: field is never used: `val`
Dec 13 22:35:48.351 INFO [stderr]   --> src/main.rs:10:5
Dec 13 22:35:48.351 INFO [stderr]    |
Dec 13 22:35:48.351 INFO [stderr] 10 |     val: i8,
Dec 13 22:35:48.351 INFO [stderr]    |     ^^^^^^^
Dec 13 22:35:48.351 INFO [stderr] 
Dec 13 22:35:48.355 INFO [stderr] warning: field is never used: `size`
Dec 13 22:35:48.355 INFO [stderr]   --> src/main.rs:14:5
Dec 13 22:35:48.355 INFO [stderr]    |
Dec 13 22:35:48.355 INFO [stderr] 14 |     size: i8,
Dec 13 22:35:48.355 INFO [stderr]    |     ^^^^^^^^
Dec 13 22:35:48.355 INFO [stderr] 
Dec 13 22:35:48.355 INFO [stderr] warning: field is never used: `block_size`
Dec 13 22:35:48.355 INFO [stderr]   --> src/main.rs:15:5
Dec 13 22:35:48.355 INFO [stderr]    |
Dec 13 22:35:48.355 INFO [stderr] 15 |     block_size: i8,
Dec 13 22:35:48.355 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 22:35:48.355 INFO [stderr] 
Dec 13 22:35:48.355 INFO [stderr] warning: field is never used: `data`
Dec 13 22:35:48.355 INFO [stderr]   --> src/main.rs:16:5
Dec 13 22:35:48.355 INFO [stderr]    |
Dec 13 22:35:48.355 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Dec 13 22:35:48.355 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:48.355 INFO [stderr] 
Dec 13 22:35:48.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 22:35:48.360 INFO [stderr]   --> src/main.rs:36:5
Dec 13 22:35:48.360 INFO [stderr]    |
Dec 13 22:35:48.360 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Dec 13 22:35:48.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:48.360 INFO [stderr]    |
Dec 13 22:35:48.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 22:35:48.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 22:35:48.360 INFO [stderr] 
Dec 13 22:35:48.855 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 13 22:35:48.855 INFO [stderr] su: No module specific data is present
Dec 13 22:35:49.123 INFO running `"docker" "inspect" "dbd8e2980b148bcfb954359470940b9429353b56eedfe263020595eb40e75113"`
Dec 13 22:35:49.199 INFO running `"docker" "rm" "-f" "dbd8e2980b148bcfb954359470940b9429353b56eedfe263020595eb40e75113"`
Dec 13 22:35:49.292 INFO [stdout] dbd8e2980b148bcfb954359470940b9429353b56eedfe263020595eb40e75113
Dec 13 22:35:49.295 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 22:35:49.473 INFO [stdout] 3b1551fa864a6f3a0ca39d216b08fe12b26cc43f50eaa8114225ead8e5f13125
Dec 13 22:35:49.475 INFO running `"docker" "start" "-a" "3b1551fa864a6f3a0ca39d216b08fe12b26cc43f50eaa8114225ead8e5f13125"`
Dec 13 22:35:49.862 INFO [stderr] usermod: no changes
Dec 13 22:35:49.884 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 13 22:35:50.368 INFO [stderr] warning: unused variable: `grid`
Dec 13 22:35:50.369 INFO [stderr]   --> src/main.rs:82:9
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Dec 13 22:35:50.369 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 22:35:50.369 INFO [stderr] 
Dec 13 22:35:50.369 INFO [stderr] warning: field is never used: `fixed`
Dec 13 22:35:50.369 INFO [stderr]  --> src/main.rs:9:5
Dec 13 22:35:50.369 INFO [stderr]   |
Dec 13 22:35:50.369 INFO [stderr] 9 |     fixed: bool,
Dec 13 22:35:50.369 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 22:35:50.369 INFO [stderr]   |
Dec 13 22:35:50.369 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 22:35:50.369 INFO [stderr] 
Dec 13 22:35:50.369 INFO [stderr] warning: field is never used: `val`
Dec 13 22:35:50.369 INFO [stderr]   --> src/main.rs:10:5
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr] 10 |     val: i8,
Dec 13 22:35:50.369 INFO [stderr]    |     ^^^^^^^
Dec 13 22:35:50.369 INFO [stderr] 
Dec 13 22:35:50.369 INFO [stderr] warning: field is never used: `size`
Dec 13 22:35:50.369 INFO [stderr]   --> src/main.rs:14:5
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr] 14 |     size: i8,
Dec 13 22:35:50.369 INFO [stderr]    |     ^^^^^^^^
Dec 13 22:35:50.369 INFO [stderr] 
Dec 13 22:35:50.369 INFO [stderr] warning: field is never used: `block_size`
Dec 13 22:35:50.369 INFO [stderr]   --> src/main.rs:15:5
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr] 15 |     block_size: i8,
Dec 13 22:35:50.369 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 22:35:50.369 INFO [stderr] 
Dec 13 22:35:50.369 INFO [stderr] warning: field is never used: `data`
Dec 13 22:35:50.369 INFO [stderr]   --> src/main.rs:16:5
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Dec 13 22:35:50.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:50.369 INFO [stderr] 
Dec 13 22:35:50.369 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 22:35:50.369 INFO [stderr]   --> src/main.rs:36:5
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Dec 13 22:35:50.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:35:50.369 INFO [stderr]    |
Dec 13 22:35:50.369 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 22:35:50.369 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 22:35:50.369 INFO [stderr] 
Dec 13 22:35:50.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 13 22:35:50.576 INFO [stderr] su: No module specific data is present
Dec 13 22:35:51.188 INFO running `"docker" "inspect" "3b1551fa864a6f3a0ca39d216b08fe12b26cc43f50eaa8114225ead8e5f13125"`
Dec 13 22:35:51.394 INFO running `"docker" "rm" "-f" "3b1551fa864a6f3a0ca39d216b08fe12b26cc43f50eaa8114225ead8e5f13125"`
Dec 13 22:35:51.481 INFO [stdout] 3b1551fa864a6f3a0ca39d216b08fe12b26cc43f50eaa8114225ead8e5f13125
Dec 13 22:35:51.481 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 22:35:51.728 INFO [stdout] 5cc4249a65249eb8cea3a268dbcd78b6ba29714012688ec2a62ec06fd0988c2c
Dec 13 22:35:51.728 INFO running `"docker" "start" "-a" "5cc4249a65249eb8cea3a268dbcd78b6ba29714012688ec2a62ec06fd0988c2c"`
Dec 13 22:35:52.108 INFO [stderr] usermod: no changes
Dec 13 22:35:52.138 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 22:35:52.139 INFO [stderr]      Running /target/debug/deps/sudoku-7d63e29cece78961
Dec 13 22:35:52.151 INFO [stdout] 
Dec 13 22:35:52.151 INFO [stdout] running 0 tests
Dec 13 22:35:52.151 INFO [stdout] 
Dec 13 22:35:52.151 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 22:35:52.151 INFO [stdout] 
Dec 13 22:35:52.156 INFO [stderr] su: No module specific data is present
Dec 13 22:35:52.509 INFO running `"docker" "inspect" "5cc4249a65249eb8cea3a268dbcd78b6ba29714012688ec2a62ec06fd0988c2c"`
Dec 13 22:35:52.622 INFO running `"docker" "rm" "-f" "5cc4249a65249eb8cea3a268dbcd78b6ba29714012688ec2a62ec06fd0988c2c"`
Dec 13 22:35:52.825 INFO [stdout] 5cc4249a65249eb8cea3a268dbcd78b6ba29714012688ec2a62ec06fd0988c2c