Dec 06 02:46:17.911 INFO testing daemanos/sudoku against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 02:46:17.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 02:46:18.066 INFO [stdout] a1d891af449c1f67f8a5df3eef96eb9e5f0021203bb229adea5cc639a6dfb543
Dec 06 02:46:18.070 INFO running `"docker" "start" "-a" "a1d891af449c1f67f8a5df3eef96eb9e5f0021203bb229adea5cc639a6dfb543"`
Dec 06 02:46:18.776 INFO [stderr] usermod: no changes
Dec 06 02:46:18.803 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 06 02:46:18.975 INFO [stderr] warning: unused variable: `grid`
Dec 06 02:46:18.975 INFO [stderr]   --> src/main.rs:82:9
Dec 06 02:46:18.975 INFO [stderr]    |
Dec 06 02:46:18.975 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Dec 06 02:46:18.975 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Dec 06 02:46:18.975 INFO [stderr]    |
Dec 06 02:46:18.975 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 02:46:18.975 INFO [stderr] 
Dec 06 02:46:18.996 INFO [stderr] warning: field is never used: `fixed`
Dec 06 02:46:18.996 INFO [stderr]  --> src/main.rs:9:5
Dec 06 02:46:18.996 INFO [stderr]   |
Dec 06 02:46:18.996 INFO [stderr] 9 |     fixed: bool,
Dec 06 02:46:18.996 INFO [stderr]   |     ^^^^^^^^^^^
Dec 06 02:46:18.996 INFO [stderr]   |
Dec 06 02:46:18.996 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 02:46:18.996 INFO [stderr] 
Dec 06 02:46:18.996 INFO [stderr] warning: field is never used: `val`
Dec 06 02:46:18.996 INFO [stderr]   --> src/main.rs:10:5
Dec 06 02:46:18.996 INFO [stderr]    |
Dec 06 02:46:18.996 INFO [stderr] 10 |     val: i8,
Dec 06 02:46:18.996 INFO [stderr]    |     ^^^^^^^
Dec 06 02:46:18.996 INFO [stderr] 
Dec 06 02:46:18.996 INFO [stderr] warning: field is never used: `size`
Dec 06 02:46:18.996 INFO [stderr]   --> src/main.rs:14:5
Dec 06 02:46:18.996 INFO [stderr]    |
Dec 06 02:46:18.996 INFO [stderr] 14 |     size: i8,
Dec 06 02:46:18.996 INFO [stderr]    |     ^^^^^^^^
Dec 06 02:46:18.996 INFO [stderr] 
Dec 06 02:46:18.996 INFO [stderr] warning: field is never used: `block_size`
Dec 06 02:46:18.996 INFO [stderr]   --> src/main.rs:15:5
Dec 06 02:46:18.996 INFO [stderr]    |
Dec 06 02:46:18.997 INFO [stderr] 15 |     block_size: i8,
Dec 06 02:46:18.997 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 06 02:46:18.997 INFO [stderr] 
Dec 06 02:46:19.004 INFO [stderr] warning: field is never used: `data`
Dec 06 02:46:19.004 INFO [stderr]   --> src/main.rs:16:5
Dec 06 02:46:19.004 INFO [stderr]    |
Dec 06 02:46:19.004 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Dec 06 02:46:19.004 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 02:46:19.004 INFO [stderr] 
Dec 06 02:46:19.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 02:46:19.004 INFO [stderr]   --> src/main.rs:36:5
Dec 06 02:46:19.004 INFO [stderr]    |
Dec 06 02:46:19.004 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Dec 06 02:46:19.004 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 02:46:19.004 INFO [stderr]    |
Dec 06 02:46:19.004 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 02:46:19.004 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 02:46:19.004 INFO [stderr] 
Dec 06 02:46:19.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 06 02:46:19.414 INFO [stderr] su: No module specific data is present
Dec 06 02:46:19.722 INFO running `"docker" "inspect" "a1d891af449c1f67f8a5df3eef96eb9e5f0021203bb229adea5cc639a6dfb543"`
Dec 06 02:46:19.793 INFO running `"docker" "rm" "-f" "a1d891af449c1f67f8a5df3eef96eb9e5f0021203bb229adea5cc639a6dfb543"`
Dec 06 02:46:19.879 INFO [stdout] a1d891af449c1f67f8a5df3eef96eb9e5f0021203bb229adea5cc639a6dfb543
Dec 06 02:46:19.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 02:46:20.083 INFO [stdout] 27bef7eb3b2d5533e2d3846876c2fbc185d710ec7d649f0533a60ec0c14ae20c
Dec 06 02:46:20.085 INFO running `"docker" "start" "-a" "27bef7eb3b2d5533e2d3846876c2fbc185d710ec7d649f0533a60ec0c14ae20c"`
Dec 06 02:46:20.473 INFO [stderr] usermod: no changes
Dec 06 02:46:20.500 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 06 02:46:20.671 INFO [stderr] warning: unused variable: `grid`
Dec 06 02:46:20.671 INFO [stderr]   --> src/main.rs:82:9
Dec 06 02:46:20.671 INFO [stderr]    |
Dec 06 02:46:20.671 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Dec 06 02:46:20.671 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Dec 06 02:46:20.671 INFO [stderr]    |
Dec 06 02:46:20.671 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 02:46:20.671 INFO [stderr] 
Dec 06 02:46:20.682 INFO [stderr] warning: field is never used: `fixed`
Dec 06 02:46:20.682 INFO [stderr]  --> src/main.rs:9:5
Dec 06 02:46:20.682 INFO [stderr]   |
Dec 06 02:46:20.682 INFO [stderr] 9 |     fixed: bool,
Dec 06 02:46:20.682 INFO [stderr]   |     ^^^^^^^^^^^
Dec 06 02:46:20.682 INFO [stderr]   |
Dec 06 02:46:20.682 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 02:46:20.682 INFO [stderr] 
Dec 06 02:46:20.682 INFO [stderr] warning: field is never used: `val`
Dec 06 02:46:20.682 INFO [stderr]   --> src/main.rs:10:5
Dec 06 02:46:20.682 INFO [stderr]    |
Dec 06 02:46:20.682 INFO [stderr] 10 |     val: i8,
Dec 06 02:46:20.682 INFO [stderr]    |     ^^^^^^^
Dec 06 02:46:20.682 INFO [stderr] 
Dec 06 02:46:20.682 INFO [stderr] warning: field is never used: `size`
Dec 06 02:46:20.682 INFO [stderr]   --> src/main.rs:14:5
Dec 06 02:46:20.682 INFO [stderr]    |
Dec 06 02:46:20.682 INFO [stderr] 14 |     size: i8,
Dec 06 02:46:20.682 INFO [stderr]    |     ^^^^^^^^
Dec 06 02:46:20.682 INFO [stderr] 
Dec 06 02:46:20.682 INFO [stderr] warning: field is never used: `block_size`
Dec 06 02:46:20.682 INFO [stderr]   --> src/main.rs:15:5
Dec 06 02:46:20.682 INFO [stderr]    |
Dec 06 02:46:20.683 INFO [stderr] 15 |     block_size: i8,
Dec 06 02:46:20.683 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 06 02:46:20.683 INFO [stderr] 
Dec 06 02:46:20.683 INFO [stderr] warning: field is never used: `data`
Dec 06 02:46:20.683 INFO [stderr]   --> src/main.rs:16:5
Dec 06 02:46:20.683 INFO [stderr]    |
Dec 06 02:46:20.683 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Dec 06 02:46:20.683 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 02:46:20.683 INFO [stderr] 
Dec 06 02:46:20.690 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 02:46:20.691 INFO [stderr]   --> src/main.rs:36:5
Dec 06 02:46:20.691 INFO [stderr]    |
Dec 06 02:46:20.691 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Dec 06 02:46:20.691 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 02:46:20.691 INFO [stderr]    |
Dec 06 02:46:20.691 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 02:46:20.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 02:46:20.691 INFO [stderr] 
Dec 06 02:46:20.878 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 06 02:46:20.880 INFO [stderr] su: No module specific data is present
Dec 06 02:46:21.145 INFO running `"docker" "inspect" "27bef7eb3b2d5533e2d3846876c2fbc185d710ec7d649f0533a60ec0c14ae20c"`
Dec 06 02:46:21.230 INFO running `"docker" "rm" "-f" "27bef7eb3b2d5533e2d3846876c2fbc185d710ec7d649f0533a60ec0c14ae20c"`
Dec 06 02:46:21.313 INFO [stdout] 27bef7eb3b2d5533e2d3846876c2fbc185d710ec7d649f0533a60ec0c14ae20c
Dec 06 02:46:21.315 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 02:46:21.531 INFO [stdout] 06eb5c5a302cad3321bea626bdf7e26153187698f8baea36ea4486ddcd679013
Dec 06 02:46:21.533 INFO running `"docker" "start" "-a" "06eb5c5a302cad3321bea626bdf7e26153187698f8baea36ea4486ddcd679013"`
Dec 06 02:46:21.933 INFO [stderr] usermod: no changes
Dec 06 02:46:21.950 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 02:46:21.950 INFO [stderr]      Running /target/debug/deps/sudoku-454d44f0ad5508af
Dec 06 02:46:21.951 INFO [stdout] 
Dec 06 02:46:21.951 INFO [stdout] running 0 tests
Dec 06 02:46:21.951 INFO [stdout] 
Dec 06 02:46:21.951 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 02:46:21.951 INFO [stdout] 
Dec 06 02:46:21.954 INFO [stderr] su: No module specific data is present
Dec 06 02:46:22.208 INFO running `"docker" "inspect" "06eb5c5a302cad3321bea626bdf7e26153187698f8baea36ea4486ddcd679013"`
Dec 06 02:46:22.298 INFO running `"docker" "rm" "-f" "06eb5c5a302cad3321bea626bdf7e26153187698f8baea36ea4486ddcd679013"`
Dec 06 02:46:22.420 INFO [stdout] 06eb5c5a302cad3321bea626bdf7e26153187698f8baea36ea4486ddcd679013