Nov 17 05:41:12.032 INFO testing daemanos/sudoku against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 05:41:12.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 05:41:12.302 INFO [stdout] 858e8a5b0cbf5f0a4d14ff0f4100baf2ba386d524cacd45efd05645153f3913f
Nov 17 05:41:12.303 INFO running `"docker" "start" "-a" "858e8a5b0cbf5f0a4d14ff0f4100baf2ba386d524cacd45efd05645153f3913f"`
Nov 17 05:41:13.510 INFO [stderr] usermod: no changes
Nov 17 05:41:13.575 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Nov 17 05:41:13.838 INFO [stderr] warning: unused variable: `grid`
Nov 17 05:41:13.838 INFO [stderr]   --> src/main.rs:82:9
Nov 17 05:41:13.838 INFO [stderr]    |
Nov 17 05:41:13.838 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Nov 17 05:41:13.838 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Nov 17 05:41:13.838 INFO [stderr]    |
Nov 17 05:41:13.838 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 05:41:13.838 INFO [stderr] 
Nov 17 05:41:13.851 INFO [stderr] warning: field is never used: `fixed`
Nov 17 05:41:13.851 INFO [stderr]  --> src/main.rs:9:5
Nov 17 05:41:13.851 INFO [stderr]   |
Nov 17 05:41:13.851 INFO [stderr] 9 |     fixed: bool,
Nov 17 05:41:13.851 INFO [stderr]   |     ^^^^^^^^^^^
Nov 17 05:41:13.851 INFO [stderr]   |
Nov 17 05:41:13.851 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 05:41:13.851 INFO [stderr] 
Nov 17 05:41:13.851 INFO [stderr] warning: field is never used: `val`
Nov 17 05:41:13.851 INFO [stderr]   --> src/main.rs:10:5
Nov 17 05:41:13.851 INFO [stderr]    |
Nov 17 05:41:13.851 INFO [stderr] 10 |     val: i8,
Nov 17 05:41:13.851 INFO [stderr]    |     ^^^^^^^
Nov 17 05:41:13.851 INFO [stderr] 
Nov 17 05:41:13.851 INFO [stderr] warning: field is never used: `size`
Nov 17 05:41:13.851 INFO [stderr]   --> src/main.rs:14:5
Nov 17 05:41:13.851 INFO [stderr]    |
Nov 17 05:41:13.851 INFO [stderr] 14 |     size: i8,
Nov 17 05:41:13.851 INFO [stderr]    |     ^^^^^^^^
Nov 17 05:41:13.851 INFO [stderr] 
Nov 17 05:41:13.851 INFO [stderr] warning: field is never used: `block_size`
Nov 17 05:41:13.851 INFO [stderr]   --> src/main.rs:15:5
Nov 17 05:41:13.851 INFO [stderr]    |
Nov 17 05:41:13.851 INFO [stderr] 15 |     block_size: i8,
Nov 17 05:41:13.851 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 05:41:13.851 INFO [stderr] 
Nov 17 05:41:13.851 INFO [stderr] warning: field is never used: `data`
Nov 17 05:41:13.851 INFO [stderr]   --> src/main.rs:16:5
Nov 17 05:41:13.851 INFO [stderr]    |
Nov 17 05:41:13.851 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Nov 17 05:41:13.851 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 05:41:13.851 INFO [stderr] 
Nov 17 05:41:13.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 05:41:13.863 INFO [stderr]   --> src/main.rs:36:5
Nov 17 05:41:13.863 INFO [stderr]    |
Nov 17 05:41:13.863 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Nov 17 05:41:13.863 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 05:41:13.863 INFO [stderr]    |
Nov 17 05:41:13.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 05:41:13.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 05:41:13.863 INFO [stderr] 
Nov 17 05:41:14.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Nov 17 05:41:14.655 INFO [stderr] su: No module specific data is present
Nov 17 05:41:15.055 INFO running `"docker" "inspect" "858e8a5b0cbf5f0a4d14ff0f4100baf2ba386d524cacd45efd05645153f3913f"`
Nov 17 05:41:15.252 INFO running `"docker" "rm" "-f" "858e8a5b0cbf5f0a4d14ff0f4100baf2ba386d524cacd45efd05645153f3913f"`
Nov 17 05:41:15.399 INFO [stdout] 858e8a5b0cbf5f0a4d14ff0f4100baf2ba386d524cacd45efd05645153f3913f
Nov 17 05:41:15.402 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 05:41:15.630 INFO [stdout] f63b6799dc3d127cab7085e926cde7fbffdac3af1a4e9783082f2fec7c222823
Nov 17 05:41:15.632 INFO running `"docker" "start" "-a" "f63b6799dc3d127cab7085e926cde7fbffdac3af1a4e9783082f2fec7c222823"`
Nov 17 05:41:16.162 INFO [stderr] usermod: no changes
Nov 17 05:41:16.195 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Nov 17 05:41:16.395 INFO [stderr] warning: unused variable: `grid`
Nov 17 05:41:16.395 INFO [stderr]   --> src/main.rs:82:9
Nov 17 05:41:16.395 INFO [stderr]    |
Nov 17 05:41:16.395 INFO [stderr] 82 |     let grid = match read_grid(&path) {
Nov 17 05:41:16.395 INFO [stderr]    |         ^^^^ help: consider using `_grid` instead
Nov 17 05:41:16.395 INFO [stderr]    |
Nov 17 05:41:16.395 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 05:41:16.395 INFO [stderr] 
Nov 17 05:41:16.407 INFO [stderr] warning: field is never used: `fixed`
Nov 17 05:41:16.407 INFO [stderr]  --> src/main.rs:9:5
Nov 17 05:41:16.407 INFO [stderr]   |
Nov 17 05:41:16.407 INFO [stderr] 9 |     fixed: bool,
Nov 17 05:41:16.407 INFO [stderr]   |     ^^^^^^^^^^^
Nov 17 05:41:16.407 INFO [stderr]   |
Nov 17 05:41:16.407 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 05:41:16.408 INFO [stderr] 
Nov 17 05:41:16.408 INFO [stderr] warning: field is never used: `val`
Nov 17 05:41:16.408 INFO [stderr]   --> src/main.rs:10:5
Nov 17 05:41:16.408 INFO [stderr]    |
Nov 17 05:41:16.408 INFO [stderr] 10 |     val: i8,
Nov 17 05:41:16.408 INFO [stderr]    |     ^^^^^^^
Nov 17 05:41:16.408 INFO [stderr] 
Nov 17 05:41:16.408 INFO [stderr] warning: field is never used: `size`
Nov 17 05:41:16.408 INFO [stderr]   --> src/main.rs:14:5
Nov 17 05:41:16.408 INFO [stderr]    |
Nov 17 05:41:16.408 INFO [stderr] 14 |     size: i8,
Nov 17 05:41:16.408 INFO [stderr]    |     ^^^^^^^^
Nov 17 05:41:16.408 INFO [stderr] 
Nov 17 05:41:16.408 INFO [stderr] warning: field is never used: `block_size`
Nov 17 05:41:16.408 INFO [stderr]   --> src/main.rs:15:5
Nov 17 05:41:16.408 INFO [stderr]    |
Nov 17 05:41:16.408 INFO [stderr] 15 |     block_size: i8,
Nov 17 05:41:16.408 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 05:41:16.409 INFO [stderr] 
Nov 17 05:41:16.409 INFO [stderr] warning: field is never used: `data`
Nov 17 05:41:16.409 INFO [stderr]   --> src/main.rs:16:5
Nov 17 05:41:16.409 INFO [stderr]    |
Nov 17 05:41:16.409 INFO [stderr] 16 |     data: Vec<Vec<Cell>>,
Nov 17 05:41:16.409 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 05:41:16.409 INFO [stderr] 
Nov 17 05:41:16.414 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 05:41:16.418 INFO [stderr]   --> src/main.rs:36:5
Nov 17 05:41:16.419 INFO [stderr]    |
Nov 17 05:41:16.419 INFO [stderr] 36 |     file.read_to_string(&mut contents);
Nov 17 05:41:16.419 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 05:41:16.419 INFO [stderr]    |
Nov 17 05:41:16.419 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 05:41:16.419 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 05:41:16.419 INFO [stderr] 
Nov 17 05:41:16.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Nov 17 05:41:16.709 INFO [stderr] su: No module specific data is present
Nov 17 05:41:17.205 INFO running `"docker" "inspect" "f63b6799dc3d127cab7085e926cde7fbffdac3af1a4e9783082f2fec7c222823"`
Nov 17 05:41:17.273 INFO running `"docker" "rm" "-f" "f63b6799dc3d127cab7085e926cde7fbffdac3af1a4e9783082f2fec7c222823"`
Nov 17 05:41:17.386 INFO [stdout] f63b6799dc3d127cab7085e926cde7fbffdac3af1a4e9783082f2fec7c222823
Nov 17 05:41:17.389 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 05:41:17.689 INFO [stdout] 5a5de80d7b5f2733e5d33996f63f4196ebe57f5a49d06bb1693cdf977fdb3f8f
Nov 17 05:41:17.694 INFO running `"docker" "start" "-a" "5a5de80d7b5f2733e5d33996f63f4196ebe57f5a49d06bb1693cdf977fdb3f8f"`
Nov 17 05:41:18.395 INFO [stderr] usermod: no changes
Nov 17 05:41:18.422 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 05:41:18.422 INFO [stderr]      Running /target/debug/deps/sudoku-1f88d7cc9f76fcae
Nov 17 05:41:18.429 INFO [stdout] 
Nov 17 05:41:18.429 INFO [stdout] running 0 tests
Nov 17 05:41:18.429 INFO [stdout] 
Nov 17 05:41:18.429 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 05:41:18.429 INFO [stdout] 
Nov 17 05:41:18.431 INFO [stderr] su: No module specific data is present
Nov 17 05:41:18.921 INFO running `"docker" "inspect" "5a5de80d7b5f2733e5d33996f63f4196ebe57f5a49d06bb1693cdf977fdb3f8f"`
Nov 17 05:41:19.071 INFO running `"docker" "rm" "-f" "5a5de80d7b5f2733e5d33996f63f4196ebe57f5a49d06bb1693cdf977fdb3f8f"`
Nov 17 05:41:19.162 INFO [stdout] 5a5de80d7b5f2733e5d33996f63f4196ebe57f5a49d06bb1693cdf977fdb3f8f