[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 beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] af6747e70511e1c7e41e8df7789fbb504d55e5b7fff4e056f17be9b3c2c18458
[INFO] running `"docker" "start" "-a" "af6747e70511e1c7e41e8df7789fbb504d55e5b7fff4e056f17be9b3c2c18458"`
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:137:76
[INFO] [stderr]     |
[INFO] [stderr] 137 |                          x_coord: usize, y_coord: usize) -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:160:50
[INFO] [stderr]     |
[INFO] [stderr] 160 |                                -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:187:51
[INFO] [stderr]     |
[INFO] [stderr] 187 |                                 -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:213:53
[INFO] [stderr]     |
[INFO] [stderr] 213 |                                   -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:532:69
[INFO] [stderr]     |
[INFO] [stderr] 532 | pub fn solve_sudokus_from_csv(file_path: &String) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized] target(s) in 22.44s
[INFO] running `"docker" "inspect" "af6747e70511e1c7e41e8df7789fbb504d55e5b7fff4e056f17be9b3c2c18458"`
[INFO] running `"docker" "rm" "-f" "af6747e70511e1c7e41e8df7789fbb504d55e5b7fff4e056f17be9b3c2c18458"`
[INFO] [stdout] af6747e70511e1c7e41e8df7789fbb504d55e5b7fff4e056f17be9b3c2c18458
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 10c3dd2f29228ae24e98e83aa4682051071c17dddd966d2f7f5c393a2284489b
[INFO] running `"docker" "start" "-a" "10c3dd2f29228ae24e98e83aa4682051071c17dddd966d2f7f5c393a2284489b"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:137:76
[INFO] [stderr]     |
[INFO] [stderr] 137 |                          x_coord: usize, y_coord: usize) -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:160:50
[INFO] [stderr]     |
[INFO] [stderr] 160 |                                -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:187:51
[INFO] [stderr]     |
[INFO] [stderr] 187 |                                 -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:213:53
[INFO] [stderr]     |
[INFO] [stderr] 213 |                                   -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/field.rs:532:69
[INFO] [stderr]     |
[INFO] [stderr] 532 | pub fn solve_sudokus_from_csv(file_path: &String) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized] target(s) in 2.00s
[INFO] running `"docker" "inspect" "10c3dd2f29228ae24e98e83aa4682051071c17dddd966d2f7f5c393a2284489b"`
[INFO] running `"docker" "rm" "-f" "10c3dd2f29228ae24e98e83aa4682051071c17dddd966d2f7f5c393a2284489b"`
[INFO] [stdout] 10c3dd2f29228ae24e98e83aa4682051071c17dddd966d2f7f5c393a2284489b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 3af81a6d18a2d76e82d37b3ef6fbcd4661732ce20146359c5b1761a73b2ab724
[INFO] running `"docker" "start" "-a" "3af81a6d18a2d76e82d37b3ef6fbcd4661732ce20146359c5b1761a73b2ab724"`
[INFO] [stderr]     Finished dev [optimized] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-3a7113c013aacfc5
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test field::test::insert_twice ... ok
[INFO] [stdout] test field::test::insert_number ... ok
[INFO] [stdout] test field::test::possibilities_constistent ... ok
[INFO] [stdout] test field::test::easy_solve ... ok
[INFO] [stdout] test field::test::print_sudoku ... ok
[INFO] [stdout] test field::test::read_from_csv ... ok
[INFO] [stdout] test field::test::is_solved ... 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::field_double_number ... ok
[INFO] [stdout] test field::test::insert_invalid_large_number ... ok
[INFO] [stdout] test field::test::invalid_grid ... ok
[INFO] [stdout] test field::test::insert_zero ... ok
[INFO] [stdout] test field::test::insert_out_of_bound ... 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" "3af81a6d18a2d76e82d37b3ef6fbcd4661732ce20146359c5b1761a73b2ab724"`
[INFO] running `"docker" "rm" "-f" "3af81a6d18a2d76e82d37b3ef6fbcd4661732ce20146359c5b1761a73b2ab724"`
[INFO] [stdout] 3af81a6d18a2d76e82d37b3ef6fbcd4661732ce20146359c5b1761a73b2ab724