[INFO] updating cached repository https://github.com/vasc/sudokugen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86412987139d43ce803fc16ecc9c4bc1af2b3911
[INFO] testing vasc/sudokugen against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasc%2Fsudokugen" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vasc/sudokugen on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 631222b02ca5e60689b77e2190d157e58a8ef3f2a658ef95cf432e216f8622a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "631222b02ca5e60689b77e2190d157e58a8ef3f2a658ef95cf432e216f8622a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "631222b02ca5e60689b77e2190d157e58a8ef3f2a658ef95cf432e216f8622a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631222b02ca5e60689b77e2190d157e58a8ef3f2a658ef95cf432e216f8622a4", kill_on_drop: false }`
[INFO] [stdout] 631222b02ca5e60689b77e2190d157e58a8ef3f2a658ef95cf432e216f8622a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afa60c6d2c1f263f933ecba2c5517d9e037e33398c8dfb2556d96d3dc5e7de82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afa60c6d2c1f263f933ecba2c5517d9e037e33398c8dfb2556d96d3dc5e7de82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling sudokugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `Command { std: "docker" "inspect" "afa60c6d2c1f263f933ecba2c5517d9e037e33398c8dfb2556d96d3dc5e7de82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa60c6d2c1f263f933ecba2c5517d9e037e33398c8dfb2556d96d3dc5e7de82", kill_on_drop: false }`
[INFO] [stdout] afa60c6d2c1f263f933ecba2c5517d9e037e33398c8dfb2556d96d3dc5e7de82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90c627942083a0bdc6fcb3e4a810cfb68769ffc0921dd443d66c8b10f9e43c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f90c627942083a0bdc6fcb3e4a810cfb68769ffc0921dd443d66c8b10f9e43c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 regex-syntax v0.6.17
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling plotters v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling sudokugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "f90c627942083a0bdc6fcb3e4a810cfb68769ffc0921dd443d66c8b10f9e43c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90c627942083a0bdc6fcb3e4a810cfb68769ffc0921dd443d66c8b10f9e43c5", kill_on_drop: false }`
[INFO] [stdout] f90c627942083a0bdc6fcb3e4a810cfb68769ffc0921dd443d66c8b10f9e43c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fa0b43ab403409e778fa1fab35f69fbb680f41f764df83edae4cfd784a80fa7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5fa0b43ab403409e778fa1fab35f69fbb680f41f764df83edae4cfd784a80fa7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudokugen-024bb86c50b3a248
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test board::test::from ... ok
[INFO] [stdout] test board::test::square ... ok
[INFO] [stdout] test board::test::possible_values ... ok
[INFO] [stdout] test board::test::basics ... ok
[INFO] [stdout] test board::test::iter_square ... ok
[INFO] [stdout] test board::test::possible_values_is_zero ... ok
[INFO] [stdout] test board::test::set_value ... ok
[INFO] [stdout] test board::test::iter_cells ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_is_mut ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_default ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_values_after_parse ... ok
[INFO] [stdout] test solver::indexed_map::test::iter ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_values ... ok
[INFO] [stdout] test solver::indexed_map::test::get ... ok
[INFO] [stdout] test solver::indexed_map::test::insert ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_loc ... ok
[INFO] [stdout] test solver::indexed_map::test::get_mut ... ok
[INFO] [stdout] test solver::indexed_map::test::is_empty ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_undo ... ok
[INFO] [stdout] test solver::indexed_map::test::keys ... ok
[INFO] [stdout] test solver::indexed_map::test::remove ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_set_value_removes_cell_as_candidate_for_other_values ... ok
[INFO] [stdout] test solver::tests::hidden_singles_after_backtrack ... ok
[INFO] [stdout] test solver::tests::register_move_results_in_error ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_iter_candidates ... ok
[INFO] [stdout] test solver::tests::naked_singles ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_locs_after_parse ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-b8bd4f151ec4df51
[INFO] [stdout] test solver::tests::hidden_singles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_solved ... ok
[INFO] [stdout] test solve_sudoku_simple ... 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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudokugen
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test src/board.rs - board::Board::set (line 333) ... ok
[INFO] [stdout] test src/board.rs - board::Board::iter_cells (line 416) ... ok
[INFO] [stdout] test src/board.rs - board::Board::set_at (line 350) ... ok
[INFO] [stdout] test src/board.rs - board::Board::get (line 382) ... ok
[INFO] [stdout] test src/board.rs - board::Board (line 36) ... ok
[INFO] [stdout] test src/board.rs - board::Board::get_at (line 402) ... ok
[INFO] [stdout] test src/board.rs - board::Board::get_base_size (line 318) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::col (line 186) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 588) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 570) ... ok
[INFO] [stdout] test src/board.rs - board::Board (line 26) ... ok
[INFO] [stdout] test src/board.rs - board::Board::cell_at (line 445) ... ok
[INFO] [stdout] test src/lib.rs -  (line 72) ... ignored
[INFO] [stdout] test src/board.rs - board::Board::new (line 299) ... ok
[INFO] [stdout] test src/board.rs - board::Board::rotated (line 468) ... ok
[INFO] [stdout] test src/board.rs - board::Board::unset (line 364) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::at (line 88) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::get_index (line 119) ... ok
[INFO] [stdout] test src/solver.rs - solver::solve (line 145) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_col (line 239) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_line (line 215) ... ok
[INFO] [stdout] test src/solver.rs - solver (line 5) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::square (line 199) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_square (line 263) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::get_possible_values (line 134) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::line (line 174) ... ok
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::GenSudoku::is_solution_unique (line 134) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::new (line 107) ... ok
[INFO] [stdout] test src/lib.rs -  (line 62) ... ok
[INFO] [stdout] test src/solver.rs - solver::solve (line 115) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::GenSudoku::board (line 110) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::generate (line 41) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::GenSudoku::solution (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fa0b43ab403409e778fa1fab35f69fbb680f41f764df83edae4cfd784a80fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa0b43ab403409e778fa1fab35f69fbb680f41f764df83edae4cfd784a80fa7", kill_on_drop: false }`
[INFO] [stdout] 5fa0b43ab403409e778fa1fab35f69fbb680f41f764df83edae4cfd784a80fa7