[INFO] updating cached repository mipli/sudoku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mipli/sudoku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mipli/sudoku" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mipli/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mipli/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mipli/sudoku" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mipli/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mipli/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a144789abaf6892de794de7466c0e90b2183f8d0
[INFO] sha for GitHub repo mipli/sudoku: a144789abaf6892de794de7466c0e90b2183f8d0
[INFO] validating manifest of mipli/sudoku 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 mipli/sudoku 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 mipli/sudoku
[INFO] finished frobbing mipli/sudoku
[INFO] frobbed toml for mipli/sudoku written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mipli/sudoku/Cargo.toml
[INFO] started frobbing mipli/sudoku
[INFO] finished frobbing mipli/sudoku
[INFO] frobbed toml for mipli/sudoku written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mipli/sudoku/Cargo.toml
[INFO] crate mipli/sudoku 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 mipli/sudoku against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mipli/sudoku:/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] 3899c4c9c953d265b41117e6d0c0a561f9b033b2d4c4685d2def50684ee72d21
[INFO] running `"docker" "start" "-a" "3899c4c9c953d265b41117e6d0c0a561f9b033b2d4c4685d2def50684ee72d21"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "3899c4c9c953d265b41117e6d0c0a561f9b033b2d4c4685d2def50684ee72d21"`
[INFO] running `"docker" "rm" "-f" "3899c4c9c953d265b41117e6d0c0a561f9b033b2d4c4685d2def50684ee72d21"`
[INFO] [stdout] 3899c4c9c953d265b41117e6d0c0a561f9b033b2d4c4685d2def50684ee72d21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mipli/sudoku:/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] c5ee59ba057f1edf9f991a4dc71b40bb7768ab213203479c714ab8624badea0d
[INFO] running `"docker" "start" "-a" "c5ee59ba057f1edf9f991a4dc71b40bb7768ab213203479c714ab8624badea0d"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "c5ee59ba057f1edf9f991a4dc71b40bb7768ab213203479c714ab8624badea0d"`
[INFO] running `"docker" "rm" "-f" "c5ee59ba057f1edf9f991a4dc71b40bb7768ab213203479c714ab8624badea0d"`
[INFO] [stdout] c5ee59ba057f1edf9f991a4dc71b40bb7768ab213203479c714ab8624badea0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mipli/sudoku:/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] 4e04191ce21288d7c5cc4ac570ae1186e985ab86e6bccf0d2f9a1ce9d7e3b922
[INFO] running `"docker" "start" "-a" "4e04191ce21288d7c5cc4ac570ae1186e985ab86e6bccf0d2f9a1ce9d7e3b922"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-73e0ccc92db1b002
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test grid::tests::grid_eliminate_to_known ... ok
[INFO] [stdout] test grid::tests::grid_eliminate_one ... ok
[INFO] [stdout] test grid::tests::grid_from_string ... ok
[INFO] [stdout] test grid::tests::grid_not_solved ... ok
[INFO] [stdout] test grid::tests::grid_with_assigned ... ok
[INFO] [stdout] test grid::tests::grid_get_lowest ... ok
[INFO] [stdout] test grid::tests::grid_peers ... ok
[INFO] [stdout] test grid::tests::bench_grid_with_assigned_row ... ok
[INFO] [stdout] test grid::tests::grid_solved ... ok
[INFO] [stdout] test grid::tests::grid_with_assigned_row ... ok
[INFO] [stdout] test tests::bench_solve ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cli-31c4a0b751183841
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] test src/lib.rs - solve (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4e04191ce21288d7c5cc4ac570ae1186e985ab86e6bccf0d2f9a1ce9d7e3b922"`
[INFO] running `"docker" "rm" "-f" "4e04191ce21288d7c5cc4ac570ae1186e985ab86e6bccf0d2f9a1ce9d7e3b922"`
[INFO] [stdout] 4e04191ce21288d7c5cc4ac570ae1186e985ab86e6bccf0d2f9a1ce9d7e3b922