[INFO] updating cached repository https://github.com/coopersimon/RustSudokuSolver
[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] 625478f44e697554545f1298cc703089843a1cb1
[INFO] testing coopersimon/RustSudokuSolver against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coopersimon/RustSudokuSolver on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] finished tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] tweaked toml for git repo https://github.com/coopersimon/RustSudokuSolver written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/coopersimon/RustSudokuSolver already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5e66d09cde7ce0d8aada0d075618d2c08591e29d3e2b9bbc223bc46f2e71c388
[INFO] running `"docker" "start" "-a" "5e66d09cde7ce0d8aada0d075618d2c08591e29d3e2b9bbc223bc46f2e71c388"`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:189:7
[INFO] [stderr]     |
[INFO] [stderr] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `"docker" "inspect" "5e66d09cde7ce0d8aada0d075618d2c08591e29d3e2b9bbc223bc46f2e71c388"`
[INFO] running `"docker" "rm" "-f" "5e66d09cde7ce0d8aada0d075618d2c08591e29d3e2b9bbc223bc46f2e71c388"`
[INFO] [stdout] 5e66d09cde7ce0d8aada0d075618d2c08591e29d3e2b9bbc223bc46f2e71c388
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c422fcefea03ec76121b1355c23312d16e264bbebecded093849fb0036e0d31
[INFO] running `"docker" "start" "-a" "2c422fcefea03ec76121b1355c23312d16e264bbebecded093849fb0036e0d31"`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:189:7
[INFO] [stderr]     |
[INFO] [stderr] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `"docker" "inspect" "2c422fcefea03ec76121b1355c23312d16e264bbebecded093849fb0036e0d31"`
[INFO] running `"docker" "rm" "-f" "2c422fcefea03ec76121b1355c23312d16e264bbebecded093849fb0036e0d31"`
[INFO] [stdout] 2c422fcefea03ec76121b1355c23312d16e264bbebecded093849fb0036e0d31
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 0c45a35226b29fb4ee192ed1f61423b4cdc5f6f28aae527290c2c9f375569716
[INFO] running `"docker" "start" "-a" "0c45a35226b29fb4ee192ed1f61423b4cdc5f6f28aae527290c2c9f375569716"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_solver-bc98978f5da44fde
[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] running `"docker" "inspect" "0c45a35226b29fb4ee192ed1f61423b4cdc5f6f28aae527290c2c9f375569716"`
[INFO] running `"docker" "rm" "-f" "0c45a35226b29fb4ee192ed1f61423b4cdc5f6f28aae527290c2c9f375569716"`
[INFO] [stdout] 0c45a35226b29fb4ee192ed1f61423b4cdc5f6f28aae527290c2c9f375569716