[INFO] cloning repository pcpthm/sudoku
[INFO] running `"git" "clone" "--bare" "git://github.com/pcpthm/sudoku.git" "work/cache/sources/gh/pcpthm/sudoku"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/pcpthm/sudoku'...
[INFO] running `"git" "clone" "work/cache/sources/gh/pcpthm/sudoku" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pcpthm/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pcpthm/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pcpthm/sudoku" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pcpthm/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pcpthm/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd892fa77b3db957cc81176fd7c1c48ec69e45c1
[INFO] sha for GitHub repo pcpthm/sudoku: bd892fa77b3db957cc81176fd7c1c48ec69e45c1
[INFO] validating manifest of pcpthm/sudoku on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pcpthm/sudoku on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pcpthm/sudoku
[INFO] finished frobbing pcpthm/sudoku
[INFO] frobbed toml for pcpthm/sudoku written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pcpthm/sudoku/Cargo.toml
[INFO] started frobbing pcpthm/sudoku
[INFO] finished frobbing pcpthm/sudoku
[INFO] frobbed toml for pcpthm/sudoku written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pcpthm/sudoku/Cargo.toml
[INFO] crate pcpthm/sudoku already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pcpthm/sudoku against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pcpthm/sudoku:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 970bfb4b3205a11dca2c4c1618d8dcf174a92f71ed8c8726829908df4ef9851a
[INFO] running `"docker" "start" "-a" "970bfb4b3205a11dca2c4c1618d8dcf174a92f71ed8c8726829908df4ef9851a"`
[INFO] [stderr]    Compiling packed_simd v0.3.1
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.89s
[INFO] running `"docker" "inspect" "970bfb4b3205a11dca2c4c1618d8dcf174a92f71ed8c8726829908df4ef9851a"`
[INFO] running `"docker" "rm" "-f" "970bfb4b3205a11dca2c4c1618d8dcf174a92f71ed8c8726829908df4ef9851a"`
[INFO] [stdout] 970bfb4b3205a11dca2c4c1618d8dcf174a92f71ed8c8726829908df4ef9851a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pcpthm/sudoku:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f7b3260fc00108efe1057df1d229c667fb78cb4305ffe646555e1a9034915ce2
[INFO] running `"docker" "start" "-a" "f7b3260fc00108efe1057df1d229c667fb78cb4305ffe646555e1a9034915ce2"`
[INFO] [stderr]    Compiling criterion-plot v0.2.5
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling criterion-stats v0.2.5
[INFO] [stderr]    Compiling handlebars v0.32.4
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling criterion v0.2.5
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.91s
[INFO] running `"docker" "inspect" "f7b3260fc00108efe1057df1d229c667fb78cb4305ffe646555e1a9034915ce2"`
[INFO] running `"docker" "rm" "-f" "f7b3260fc00108efe1057df1d229c667fb78cb4305ffe646555e1a9034915ce2"`
[INFO] [stdout] f7b3260fc00108efe1057df1d229c667fb78cb4305ffe646555e1a9034915ce2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pcpthm/sudoku:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] a501257f406c6eaab1605ce7a5d0eaa12f8423b6469733e85fd94496ecd04f3e
[INFO] running `"docker" "start" "-a" "a501257f406c6eaab1605ce7a5d0eaa12f8423b6469733e85fd94496ecd04f3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-09a75ae571f251b5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test solve::test::solve_problems ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/crater/target/debug/deps/sudoku-26f975977074e2e8
[INFO] [stderr]    Doc-tests sudoku
[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" "a501257f406c6eaab1605ce7a5d0eaa12f8423b6469733e85fd94496ecd04f3e"`
[INFO] running `"docker" "rm" "-f" "a501257f406c6eaab1605ce7a5d0eaa12f8423b6469733e85fd94496ecd04f3e"`
[INFO] [stdout] a501257f406c6eaab1605ce7a5d0eaa12f8423b6469733e85fd94496ecd04f3e