[INFO] cloning repository https://github.com/vasc/sudokugen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vasc/sudokugen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasc%2Fsudokugen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasc%2Fsudokugen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6af2ec915804b90c319844b4e31973220925cb1
[INFO] testing vasc/sudokugen against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasc%2Fsudokugen" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vasc/sudokugen on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vasc/sudokugen
[INFO] finished tweaking git repo https://github.com/vasc/sudokugen
[INFO] tweaked toml for git repo https://github.com/vasc/sudokugen written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/vasc/sudokugen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.2
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded tinytemplate v1.0.4
[INFO] [stderr]   Downloaded criterion v0.3.2
[INFO] [stderr]   Downloaded plotters v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9d86995103706d3173c0bdc12e5dded595f0507deb701d8c91616b6896770a
[INFO] running `Command { std: "docker" "start" "-a" "8b9d86995103706d3173c0bdc12e5dded595f0507deb701d8c91616b6896770a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9d86995103706d3173c0bdc12e5dded595f0507deb701d8c91616b6896770a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9d86995103706d3173c0bdc12e5dded595f0507deb701d8c91616b6896770a", kill_on_drop: false }`
[INFO] [stdout] 8b9d86995103706d3173c0bdc12e5dded595f0507deb701d8c91616b6896770a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab0be37aeb93fa221310e34d698e3b8cec7df84dd255b52d5a158f1102a9f74
[INFO] running `Command { std: "docker" "start" "-a" "cab0be37aeb93fa221310e34d698e3b8cec7df84dd255b52d5a158f1102a9f74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling sudokugen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `Command { std: "docker" "inspect" "cab0be37aeb93fa221310e34d698e3b8cec7df84dd255b52d5a158f1102a9f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab0be37aeb93fa221310e34d698e3b8cec7df84dd255b52d5a158f1102a9f74", kill_on_drop: false }`
[INFO] [stdout] cab0be37aeb93fa221310e34d698e3b8cec7df84dd255b52d5a158f1102a9f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 968d1b2bc12fbdeb177cf0b858794799cd1636dea61a541a8e88f9c50dcd9208
[INFO] running `Command { std: "docker" "start" "-a" "968d1b2bc12fbdeb177cf0b858794799cd1636dea61a541a8e88f9c50dcd9208", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling plotters v0.2.14
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling sudokugen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.90s
[INFO] running `Command { std: "docker" "inspect" "968d1b2bc12fbdeb177cf0b858794799cd1636dea61a541a8e88f9c50dcd9208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968d1b2bc12fbdeb177cf0b858794799cd1636dea61a541a8e88f9c50dcd9208", kill_on_drop: false }`
[INFO] [stdout] 968d1b2bc12fbdeb177cf0b858794799cd1636dea61a541a8e88f9c50dcd9208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad2b0768561c9492a2a18213bbd167b0224db336e1f5173b62f6604a61e67251
[INFO] running `Command { std: "docker" "start" "-a" "ad2b0768561c9492a2a18213bbd167b0224db336e1f5173b62f6604a61e67251", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudokugen-482a3a707669e665)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test board::test::from ... ok
[INFO] [stdout] test board::test::basics ... ok
[INFO] [stdout] test board::test::possible_values ... ok
[INFO] [stdout] test board::test::set_value ... ok
[INFO] [stdout] test board::test::possible_values_is_zero ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_values ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_loc ... ok
[INFO] [stdout] test solver::indexed_map::test::iter ... ok
[INFO] [stdout] test solver::indexed_map::test::keys ... ok
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-843059db97902c61)
[INFO] [stdout] test solver::indexed_map::test::remove ... ok
[INFO] [stdout] test board::test::iter_square ... ok
[INFO] [stdout] test board::test::iter_cells ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_default ... ok
[INFO] [stdout] test solver::tests::register_move_results_in_error ... ok
[INFO] [stdout] test board::test::square ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_is_mut ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_set_value_removes_cell_as_candidate_for_other_values ... ok
[INFO] [stdout] test solver::indexed_map::test::get ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_locs_after_parse ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_undo ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_values_after_parse ... ok
[INFO] [stdout] test solver::tests::hidden_singles_after_backtrack ... ok
[INFO] [stdout] test solver::indexed_map::test::is_empty ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_iter_candidates ... ok
[INFO] [stdout] test solver::indexed_map::test::insert ... ok
[INFO] [stdout] test solver::tests::hidden_singles ... ok
[INFO] [stdout] test solver::indexed_map::test::get_mut ... ok
[INFO] [stdout] test solver::tests::naked_singles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test solve_sudoku_simple ... ok
[INFO] [stdout] test test_solved ... ok
[INFO] [stdout] test solve_sudoku_with_backtrack ... ok
[INFO] [stdout] test generate_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudokugen
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 | #![warn(missing_doc_code_examples)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 36 tests
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - (line 73) ... ignored
[INFO] [stdout] test src/board.rs - board::CellLoc::line (line 227) ... ok
[INFO] [stdout] test src/board.rs - board::Board::unset (line 418) ... ok
[INFO] [stdout] test src/board.rs - board::Board (line 76) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_col (line 296) ... ok
[INFO] [stdout] test src/board.rs - board::Board::set_at (line 402) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::get_index (line 171) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::get_possible_values (line 187) ... ok
[INFO] [stdout] test src/solver.rs - solver::Board::solve (line 115) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::at (line 137) ... ok
[INFO] [stdout] test src/solver.rs - solver::Board::solve (line 146) ... ok
[INFO] [stdout] test src/board.rs - board::Board::get_at (line 456) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Board::generate (line 39) ... ok
[INFO] [stdout] test src/board.rs - board::Board::new (line 355) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::col (line 240) ... ok
[INFO] [stdout] test src/solver.rs - solver (line 5) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 626) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::square (line 254) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::new (line 157) ... ok
[INFO] [stdout] test src/board.rs - board::Board (line 86) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_line (line 271) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Puzzle::generate (line 61) ... ok
[INFO] [stdout] test src/board.rs - board::Board::set (line 385) ... ok
[INFO] [stdout] test src/board.rs - board::Board::cell_at (line 502) ... ok
[INFO] [stdout] test src/board.rs - board::Board::board_size (line 370) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Puzzle::board (line 134) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_square (line 321) ... ok
[INFO] [stdout] test src/board.rs - board::Board::get (line 436) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/board.rs - board::Board::rotated (line 525) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 644) ... ok
[INFO] [stdout] test src/board.rs - board::Board::iter_cells (line 470) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Puzzle::is_solution_unique (line 158) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Puzzle::solution (line 146) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 12.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad2b0768561c9492a2a18213bbd167b0224db336e1f5173b62f6604a61e67251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2b0768561c9492a2a18213bbd167b0224db336e1f5173b62f6604a61e67251", kill_on_drop: false }`
[INFO] [stdout] ad2b0768561c9492a2a18213bbd167b0224db336e1f5173b62f6604a61e67251