[INFO] cloning repository https://github.com/Zheoni/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zheoni/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZheoni%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZheoni%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfbdc87c4fb2d991ca4ed350fd4657e7a03d55a2
[INFO] testing Zheoni/sudoku against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZheoni%2Fsudoku" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zheoni/sudoku on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zheoni/sudoku
[INFO] finished tweaking git repo https://github.com/Zheoni/sudoku
[INFO] tweaked toml for git repo https://github.com/Zheoni/sudoku written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Zheoni/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d55bf18451e6626448de705670c7372d6c56a4a8a9de09e68b575477dda27032
[INFO] running `Command { std: "docker" "start" "-a" "d55bf18451e6626448de705670c7372d6c56a4a8a9de09e68b575477dda27032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d55bf18451e6626448de705670c7372d6c56a4a8a9de09e68b575477dda27032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55bf18451e6626448de705670c7372d6c56a4a8a9de09e68b575477dda27032", kill_on_drop: false }`
[INFO] [stdout] d55bf18451e6626448de705670c7372d6c56a4a8a9de09e68b575477dda27032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00cc7512c1222da40d170f015f5f08473102f538bc2d1ca9e1d87c598b693a9d
[INFO] running `Command { std: "docker" "start" "-a" "00cc7512c1222da40d170f015f5f08473102f538bc2d1ca9e1d87c598b693a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_pcg v0.3.0
[INFO] [stderr]    Compiling rand_seeder v0.2.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling sudoku v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `Command { std: "docker" "inspect" "00cc7512c1222da40d170f015f5f08473102f538bc2d1ca9e1d87c598b693a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cc7512c1222da40d170f015f5f08473102f538bc2d1ca9e1d87c598b693a9d", kill_on_drop: false }`
[INFO] [stdout] 00cc7512c1222da40d170f015f5f08473102f538bc2d1ca9e1d87c598b693a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b2b0d5e1ea80554f83cc8f6c1ce485f5428691c8b70a67936869933703822b4
[INFO] running `Command { std: "docker" "start" "-a" "2b2b0d5e1ea80554f83cc8f6c1ce485f5428691c8b70a67936869933703822b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "2b2b0d5e1ea80554f83cc8f6c1ce485f5428691c8b70a67936869933703822b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2b0d5e1ea80554f83cc8f6c1ce485f5428691c8b70a67936869933703822b4", kill_on_drop: false }`
[INFO] [stdout] 2b2b0d5e1ea80554f83cc8f6c1ce485f5428691c8b70a67936869933703822b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10ca8c940bf2b444774678da358d370e0a62ab4f7c88a1f7ab18e9a9dd49fcb6
[INFO] running `Command { std: "docker" "start" "-a" "10ca8c940bf2b444774678da358d370e0a62ab4f7c88a1f7ab18e9a9dd49fcb6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-8b7e70398577d597)
[INFO] [stdout] test board::tests::line_string_zeroes ... ok
[INFO] [stdout] test pos_util::tests::test_row ... ok
[INFO] [stdout] test puzzle::tests::all_difficulties_strings ... ok
[INFO] [stdout] test board::tests::count_more ... ok
[INFO] [stdout] test pos_util::tests::test_group ... ok
[INFO] [stdout] test pos_util::tests::test_col ... ok
[INFO] [stdout] test board::tests::line_string ... ok
[INFO] [stdout] test board::tests::solve_all_more ... ok
[INFO] [stdout] test puzzle::tests::generator_difficulty_and_difficulty ... ok
[INFO] [stdout] test pos_util::tests::test_adjacent ... ok
[INFO] [stdout] test board::tests::solve_all_1 ... ok
[INFO] [stdout] test board::tests::solve_1 ... ok
[INFO] [stdout] test board::tests::generate ... ok
[INFO] [stdout] test board::tests::count_1 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-eb0fcf1774c01e51)
[INFO] [stdout] test puzzle::tests::same_board_with_seed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/board.rs - board::SudokuBoard (line 20) ... ok
[INFO] [stdout] test src/puzzle.rs - puzzle::SudokuPuzzle (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10ca8c940bf2b444774678da358d370e0a62ab4f7c88a1f7ab18e9a9dd49fcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ca8c940bf2b444774678da358d370e0a62ab4f7c88a1f7ab18e9a9dd49fcb6", kill_on_drop: false }`
[INFO] [stdout] 10ca8c940bf2b444774678da358d370e0a62ab4f7c88a1f7ab18e9a9dd49fcb6