[INFO] updating cached repository https://github.com/jounathaen/Sudoku_Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f2b60f0a97884ef93bbcec023c8ce28476dc33b
[INFO] testing jounathaen/Sudoku_Rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjounathaen%2FSudoku_Rust" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jounathaen/Sudoku_Rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jounathaen/Sudoku_Rust
[INFO] finished tweaking git repo https://github.com/jounathaen/Sudoku_Rust
[INFO] tweaked toml for git repo https://github.com/jounathaen/Sudoku_Rust written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jounathaen/Sudoku_Rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7660f4aa6c6a47d7d8bc819c9df2ffc668b0996c33a9a20dbf42bbc831cc9f00
[INFO] running `"docker" "start" "-a" "7660f4aa6c6a47d7d8bc819c9df2ffc668b0996c33a9a20dbf42bbc831cc9f00"`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling time v0.1.39
[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/rustwide/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 15.77s
[INFO] running `"docker" "inspect" "7660f4aa6c6a47d7d8bc819c9df2ffc668b0996c33a9a20dbf42bbc831cc9f00"`
[INFO] running `"docker" "rm" "-f" "7660f4aa6c6a47d7d8bc819c9df2ffc668b0996c33a9a20dbf42bbc831cc9f00"`
[INFO] [stdout] 7660f4aa6c6a47d7d8bc819c9df2ffc668b0996c33a9a20dbf42bbc831cc9f00
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0d1f9f7bb6dfb2b5cf05008de174538facb259e5faaeb0c9c1184401300cea64
[INFO] running `"docker" "start" "-a" "0d1f9f7bb6dfb2b5cf05008de174538facb259e5faaeb0c9c1184401300cea64"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/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 0.98s
[INFO] running `"docker" "inspect" "0d1f9f7bb6dfb2b5cf05008de174538facb259e5faaeb0c9c1184401300cea64"`
[INFO] running `"docker" "rm" "-f" "0d1f9f7bb6dfb2b5cf05008de174538facb259e5faaeb0c9c1184401300cea64"`
[INFO] [stdout] 0d1f9f7bb6dfb2b5cf05008de174538facb259e5faaeb0c9c1184401300cea64
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 038ef50f8d72e4568dccda32dabb88ee723b8f7698eedceb908d114638b23c29
[INFO] running `"docker" "start" "-a" "038ef50f8d72e4568dccda32dabb88ee723b8f7698eedceb908d114638b23c29"`
[INFO] [stderr]     Finished dev [optimized] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku-bcd4da5bd3579885
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test field::test::insert_number ... ok
[INFO] [stdout] test field::test::insert_twice ... ok
[INFO] [stdout] test field::test::possibilities_constistent ... ok
[INFO] [stdout] test field::test::easy_solve ... ok
[INFO] [stdout] test field::test::remove_guesses_line ... ok
[INFO] [stdout] test field::test::print_sudoku ... ok
[INFO] [stdout] test field::test::remove_guesses_col ... ok
[INFO] [stdout] test field::test::remove_guesses_square ... ok
[INFO] [stdout] test field::test::solve_obvious ... ok
[INFO] [stdout] test field::test::read_from_string ... ok
[INFO] [stdout] test field::test::is_solved ... ok
[INFO] [stdout] test field::test::read_from_csv ... ok
[INFO] [stdout] test field::test::valid_grid ... ok
[INFO] [stdout] test field::test::insert_invalid_large_number ... ok
[INFO] [stdout] test field::test::insert_out_of_bound ... ok
[INFO] [stdout] test field::test::invalid_grid ... ok
[INFO] [stdout] test field::test::insert_zero ... 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" "038ef50f8d72e4568dccda32dabb88ee723b8f7698eedceb908d114638b23c29"`
[INFO] running `"docker" "rm" "-f" "038ef50f8d72e4568dccda32dabb88ee723b8f7698eedceb908d114638b23c29"`
[INFO] [stdout] 038ef50f8d72e4568dccda32dabb88ee723b8f7698eedceb908d114638b23c29