[INFO] updating cached repository binarybana/sudok
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/binarybana/sudok
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/binarybana/sudok" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binarybana/sudok"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binarybana/sudok'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/binarybana/sudok" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/binarybana/sudok"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of binarybana/sudok on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/binarybana/sudok/Cargo.toml
[INFO] crate binarybana/sudok has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing binarybana/sudok against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 1f39a1e757d03e2d5452a9460e4c39fb52a9d225674a47ce67c498a39ddcff32
[INFO] running `"docker" "start" "-a" "1f39a1e757d03e2d5452a9460e4c39fb52a9d225674a47ce67c498a39ddcff32"`
[INFO] [stderr]    Compiling rayon v0.9.0
[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 5.80s
[INFO] running `"docker" "inspect" "1f39a1e757d03e2d5452a9460e4c39fb52a9d225674a47ce67c498a39ddcff32"`
[INFO] running `"docker" "rm" "-f" "1f39a1e757d03e2d5452a9460e4c39fb52a9d225674a47ce67c498a39ddcff32"`
[INFO] [stdout] 1f39a1e757d03e2d5452a9460e4c39fb52a9d225674a47ce67c498a39ddcff32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e07ae19382b97413b0280e7166707b183b23b9a715bb0694165d1ccdf78ff4ee
[INFO] running `"docker" "start" "-a" "e07ae19382b97413b0280e7166707b183b23b9a715bb0694165d1ccdf78ff4ee"`
[INFO] [stderr]    Compiling sudok v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "e07ae19382b97413b0280e7166707b183b23b9a715bb0694165d1ccdf78ff4ee"`
[INFO] running `"docker" "rm" "-f" "e07ae19382b97413b0280e7166707b183b23b9a715bb0694165d1ccdf78ff4ee"`
[INFO] [stdout] e07ae19382b97413b0280e7166707b183b23b9a715bb0694165d1ccdf78ff4ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] d99d8faf1d9c4ae4777c19f99a284a5faed2d39481e3060ba22ffc95103ca577
[INFO] running `"docker" "start" "-a" "d99d8faf1d9c4ae4777c19f99a284a5faed2d39481e3060ba22ffc95103ca577"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudok-5584b8eda5d6d102
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::constraint_update ... ok
[INFO] [stdout] test tests::parsing ... ok
[INFO] [stdout] test bitcube::tests::bitcube ... ok
[INFO] [stdout] test bitcube::tests::cell ... ok
[INFO] [stdout] test tests::neighbors ... 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" "d99d8faf1d9c4ae4777c19f99a284a5faed2d39481e3060ba22ffc95103ca577"`
[INFO] running `"docker" "rm" "-f" "d99d8faf1d9c4ae4777c19f99a284a5faed2d39481e3060ba22ffc95103ca577"`
[INFO] [stdout] d99d8faf1d9c4ae4777c19f99a284a5faed2d39481e3060ba22ffc95103ca577