[INFO] updating cached repository jounathaen/Sudoku_Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jounathaen/Sudoku_Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jounathaen/Sudoku_Rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/jounathaen/Sudoku_Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jounathaen/Sudoku_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jounathaen/Sudoku_Rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jounathaen/Sudoku_Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jounathaen/Sudoku_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f2b60f0a97884ef93bbcec023c8ce28476dc33b
[INFO] sha for GitHub repo jounathaen/Sudoku_Rust: 9f2b60f0a97884ef93bbcec023c8ce28476dc33b
[INFO] validating manifest of jounathaen/Sudoku_Rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jounathaen/Sudoku_Rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jounathaen/Sudoku_Rust
[INFO] finished frobbing jounathaen/Sudoku_Rust
[INFO] frobbed toml for jounathaen/Sudoku_Rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/jounathaen/Sudoku_Rust/Cargo.toml
[INFO] started frobbing jounathaen/Sudoku_Rust
[INFO] finished frobbing jounathaen/Sudoku_Rust
[INFO] frobbed toml for jounathaen/Sudoku_Rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jounathaen/Sudoku_Rust/Cargo.toml
[INFO] crate jounathaen/Sudoku_Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jounathaen/Sudoku_Rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jounathaen/Sudoku_Rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] bdd1f47c0c5f7f401bb3b0963f9c0f66df1e9d70ead20b9496dfddaa37eebd1d
[INFO] running `"docker" "start" "-a" "bdd1f47c0c5f7f401bb3b0963f9c0f66df1e9d70ead20b9496dfddaa37eebd1d"`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [optimized] target(s) in 21.41s
[INFO] running `"docker" "inspect" "bdd1f47c0c5f7f401bb3b0963f9c0f66df1e9d70ead20b9496dfddaa37eebd1d"`
[INFO] running `"docker" "rm" "-f" "bdd1f47c0c5f7f401bb3b0963f9c0f66df1e9d70ead20b9496dfddaa37eebd1d"`
[INFO] [stdout] bdd1f47c0c5f7f401bb3b0963f9c0f66df1e9d70ead20b9496dfddaa37eebd1d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jounathaen/Sudoku_Rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ede3058022785615a87750b05b7f23bcd28c0e2950c35a93d6353b082594fff8
[INFO] running `"docker" "start" "-a" "ede3058022785615a87750b05b7f23bcd28c0e2950c35a93d6353b082594fff8"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [optimized] target(s) in 2.37s
[INFO] running `"docker" "inspect" "ede3058022785615a87750b05b7f23bcd28c0e2950c35a93d6353b082594fff8"`
[INFO] running `"docker" "rm" "-f" "ede3058022785615a87750b05b7f23bcd28c0e2950c35a93d6353b082594fff8"`
[INFO] [stdout] ede3058022785615a87750b05b7f23bcd28c0e2950c35a93d6353b082594fff8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jounathaen/Sudoku_Rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 09d8d2ba64d2ff6a9ce654a879ff28374ae063cad56e8e156fb74c58405d5ad7
[INFO] running `"docker" "start" "-a" "09d8d2ba64d2ff6a9ce654a879ff28374ae063cad56e8e156fb74c58405d5ad7"`
[INFO] [stderr]     Finished dev [optimized] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-5fb8b05d4a575479
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test field::test::insert_number ... ok
[INFO] [stdout] test field::test::is_solved ... ok
[INFO] [stdout] test field::test::insert_twice ... ok
[INFO] [stdout] test field::test::easy_solve ... ok
[INFO] [stdout] test field::test::possibilities_constistent ... ok
[INFO] [stdout] test field::test::print_sudoku ... ok
[INFO] [stdout] test field::test::read_from_csv ... ok
[INFO] [stdout] test field::test::read_from_string ... ok
[INFO] [stdout] test field::test::remove_guesses_col ... ok
[INFO] [stdout] test field::test::remove_guesses_line ... ok
[INFO] [stdout] test field::test::remove_guesses_square ... ok
[INFO] [stdout] test field::test::solve_obvious ... ok
[INFO] [stdout] test field::test::valid_grid ... ok
[INFO] [stdout] test field::test::insert_out_of_bound ... ok
[INFO] [stdout] test field::test::insert_zero ... ok
[INFO] [stdout] test field::test::invalid_grid ... ok
[INFO] [stdout] test field::test::insert_invalid_large_number ... ok
[INFO] [stdout] test field::test::field_double_number ... ok
[INFO] [stdout] test field::test::read_from_invalid_length_string ... ok
[INFO] [stdout] test field::test::read_from_invalid_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "09d8d2ba64d2ff6a9ce654a879ff28374ae063cad56e8e156fb74c58405d5ad7"`
[INFO] running `"docker" "rm" "-f" "09d8d2ba64d2ff6a9ce654a879ff28374ae063cad56e8e156fb74c58405d5ad7"`
[INFO] [stdout] 09d8d2ba64d2ff6a9ce654a879ff28374ae063cad56e8e156fb74c58405d5ad7