[INFO] crate sudoku_rs 0.2.3 is already in cache
[INFO] extracting crate sudoku_rs 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/sudoku_rs/0.2.3
[INFO] extracting crate sudoku_rs 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sudoku_rs/0.2.3
[INFO] validating manifest of sudoku_rs-0.2.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sudoku_rs-0.2.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sudoku_rs-0.2.3
[INFO] finished frobbing sudoku_rs-0.2.3
[INFO] frobbed toml for sudoku_rs-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sudoku_rs/0.2.3/Cargo.toml
[INFO] started frobbing sudoku_rs-0.2.3
[INFO] finished frobbing sudoku_rs-0.2.3
[INFO] frobbed toml for sudoku_rs-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sudoku_rs/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sudoku_rs-0.2.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sudoku_rs/0.2.3:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b71b047b958e193d82b8c23adf1d96611ee654bd1256199ded83568ab64d4233
[INFO] running `"docker" "start" "-a" "b71b047b958e193d82b8c23adf1d96611ee654bd1256199ded83568ab64d4233"`
[INFO] [stderr]    Compiling sudoku_rs v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "b71b047b958e193d82b8c23adf1d96611ee654bd1256199ded83568ab64d4233"`
[INFO] running `"docker" "rm" "-f" "b71b047b958e193d82b8c23adf1d96611ee654bd1256199ded83568ab64d4233"`
[INFO] [stdout] b71b047b958e193d82b8c23adf1d96611ee654bd1256199ded83568ab64d4233
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sudoku_rs/0.2.3:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8522c7e9e6ce6c1bf7bd962ddf0f9424c9f84ea19b901fbb2bcd9dd9b344811a
[INFO] running `"docker" "start" "-a" "8522c7e9e6ce6c1bf7bd962ddf0f9424c9f84ea19b901fbb2bcd9dd9b344811a"`
[INFO] [stderr]    Compiling sudoku_rs v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "8522c7e9e6ce6c1bf7bd962ddf0f9424c9f84ea19b901fbb2bcd9dd9b344811a"`
[INFO] running `"docker" "rm" "-f" "8522c7e9e6ce6c1bf7bd962ddf0f9424c9f84ea19b901fbb2bcd9dd9b344811a"`
[INFO] [stdout] 8522c7e9e6ce6c1bf7bd962ddf0f9424c9f84ea19b901fbb2bcd9dd9b344811a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sudoku_rs/0.2.3:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8be60d32e02431ac458087107f0118cf1deea1f3a4677d814c77c12e126f659b
[INFO] running `"docker" "start" "-a" "8be60d32e02431ac458087107f0118cf1deea1f3a4677d814c77c12e126f659b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test board::test::avaliable_count ... ok
[INFO] [stdout] test bitset::test::set_get ... ok
[INFO] [stdout] test bitset::test::reverse ... ok
[INFO] [stdout] test bitset::test::and ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_rs-5eca519064a50d82
[INFO] [stdout] test bitset::test::remove ... ok
[INFO] [stdout] test board::test::empty ... ok
[INFO] [stdout] test board::test::set_edge_0 ... ok
[INFO] [stdout] test board::test::from_str ... ok
[INFO] [stdout] test board::test::set_edge_81 ... ok
[INFO] [stdout] test board::test::display ... ok
[INFO] [stdout] test board::test::avaliable_val ... ok
[INFO] [stdout] test bitset::test::count ... ok
[INFO] [stdout] test bitset::test::set ... ok
[INFO] [stdout] test board::test::win_check ... ok
[INFO] [stdout] test grade::test::grade_9 ... ok
[INFO] [stdout] test grade::test::grade_n ... ok
[INFO] [stdout] test grade::test::grade_0 ... ok
[INFO] [stdout] test solver::test::unique ... ok
[INFO] [stdout] test solver::test::unique_idempotence ... ok
[INFO] [stdout] test solver::test::multi_solve ... ok
[INFO] [stdout] test solver::test::solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku_rs
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/board.rs - board::Board::from_vec (line 43) ... ok
[INFO] [stdout] test src/board.rs - board::Board::is_empty (line 120) ... ok
[INFO] [stdout] test src/solver.rs - solver (line 15) ... ok
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] test src/board.rs - board (line 3) ... ok
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] test src/solver.rs - solver (line 5) ... ok
[INFO] [stdout] test src/grade.rs - grade (line 2) ... ok
[INFO] [stdout] test src/lib.rs -  (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8be60d32e02431ac458087107f0118cf1deea1f3a4677d814c77c12e126f659b"`
[INFO] running `"docker" "rm" "-f" "8be60d32e02431ac458087107f0118cf1deea1f3a4677d814c77c12e126f659b"`
[INFO] [stdout] 8be60d32e02431ac458087107f0118cf1deea1f3a4677d814c77c12e126f659b