[INFO] cloning repository binarybana/sudok
[INFO] running `"git" "clone" "--bare" "git://github.com/binarybana/sudok.git" "work/cache/sources/gh/binarybana/sudok"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/binarybana/sudok'...
[INFO] running `"git" "clone" "work/cache/sources/gh/binarybana/sudok" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/binarybana/sudok"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/binarybana/sudok'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/binarybana/sudok" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/binarybana/sudok"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/binarybana/sudok'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f6fa2f047974a83bf7c71b7f6b7f5e986ce2fc7a
[INFO] sha for GitHub repo binarybana/sudok: f6fa2f047974a83bf7c71b7f6b7f5e986ce2fc7a
[INFO] validating manifest of binarybana/sudok on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of binarybana/sudok on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing binarybana/sudok
[INFO] finished frobbing binarybana/sudok
[INFO] frobbed toml for binarybana/sudok written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/binarybana/sudok/Cargo.toml
[INFO] started frobbing binarybana/sudok
[INFO] finished frobbing binarybana/sudok
[INFO] frobbed toml for binarybana/sudok written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/binarybana/sudok/Cargo.toml
[INFO] crate binarybana/sudok already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing binarybana/sudok against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/binarybana/sudok:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 77e2440011f08d336e733de044378720f1b9c5466a7f1ea38455d96b4b85849e
[INFO] running `"docker" "start" "-a" "77e2440011f08d336e733de044378720f1b9c5466a7f1ea38455d96b4b85849e"`
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling sudok v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `singleton`
[INFO] [stderr]  --> src/bitcube.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn singleton(val: usize) -> Cell {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/bitcube.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn set(&mut self, index: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `"docker" "inspect" "77e2440011f08d336e733de044378720f1b9c5466a7f1ea38455d96b4b85849e"`
[INFO] running `"docker" "rm" "-f" "77e2440011f08d336e733de044378720f1b9c5466a7f1ea38455d96b4b85849e"`
[INFO] [stdout] 77e2440011f08d336e733de044378720f1b9c5466a7f1ea38455d96b4b85849e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/binarybana/sudok:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 06350d8c66715c7ebe7ef4c2459a43ea1fdf42aa1e14d124eb4fb61ac958e6e9
[INFO] running `"docker" "start" "-a" "06350d8c66715c7ebe7ef4c2459a43ea1fdf42aa1e14d124eb4fb61ac958e6e9"`
[INFO] [stderr]    Compiling sudok v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "06350d8c66715c7ebe7ef4c2459a43ea1fdf42aa1e14d124eb4fb61ac958e6e9"`
[INFO] running `"docker" "rm" "-f" "06350d8c66715c7ebe7ef4c2459a43ea1fdf42aa1e14d124eb4fb61ac958e6e9"`
[INFO] [stdout] 06350d8c66715c7ebe7ef4c2459a43ea1fdf42aa1e14d124eb4fb61ac958e6e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/binarybana/sudok:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 70a2420cc68f7156b6706c2358ee49d123679a9c0660afc5fa6fe707f09b1479
[INFO] running `"docker" "start" "-a" "70a2420cc68f7156b6706c2358ee49d123679a9c0660afc5fa6fe707f09b1479"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudok-4fec2c2161a7420e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test bitcube::tests::cell ... ok
[INFO] [stdout] test bitcube::tests::bitcube ... ok
[INFO] [stdout] test tests::parsing ... ok
[INFO] [stdout] test tests::neighbors ... ok
[INFO] [stdout] test tests::constraint_update ... ok
[INFO] [stdout] test tests::solving ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "70a2420cc68f7156b6706c2358ee49d123679a9c0660afc5fa6fe707f09b1479"`
[INFO] running `"docker" "rm" "-f" "70a2420cc68f7156b6706c2358ee49d123679a9c0660afc5fa6fe707f09b1479"`
[INFO] [stdout] 70a2420cc68f7156b6706c2358ee49d123679a9c0660afc5fa6fe707f09b1479