[INFO] fetching crate sudokugen 0.1.0...
[INFO] testing sudokugen-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate sudokugen 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sudokugen 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudokugen 0.1.0
[INFO] finished tweaking crates.io crate sudokugen 0.1.0
[INFO] tweaked toml for crates.io crate sudokugen 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f1fda336c2c6eb1ce31c9b784e8d0423c5e0027306a0348eaea94132668ca6c
[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" "5f1fda336c2c6eb1ce31c9b784e8d0423c5e0027306a0348eaea94132668ca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1fda336c2c6eb1ce31c9b784e8d0423c5e0027306a0348eaea94132668ca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1fda336c2c6eb1ce31c9b784e8d0423c5e0027306a0348eaea94132668ca6c", kill_on_drop: false }`
[INFO] [stdout] 5f1fda336c2c6eb1ce31c9b784e8d0423c5e0027306a0348eaea94132668ca6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38c155e8021148cebf96ce0bd1d9242b0fdf245830b746fed0c1b6c5d80cb4c
[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" "c38c155e8021148cebf96ce0bd1d9242b0fdf245830b746fed0c1b6c5d80cb4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudokugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "c38c155e8021148cebf96ce0bd1d9242b0fdf245830b746fed0c1b6c5d80cb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38c155e8021148cebf96ce0bd1d9242b0fdf245830b746fed0c1b6c5d80cb4c", kill_on_drop: false }`
[INFO] [stdout] c38c155e8021148cebf96ce0bd1d9242b0fdf245830b746fed0c1b6c5d80cb4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80593022a5e232f5eb20371d665ff64c8eeb964a34e5acd97bef74ec2496a418
[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" "80593022a5e232f5eb20371d665ff64c8eeb964a34e5acd97bef74ec2496a418", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudokugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "80593022a5e232f5eb20371d665ff64c8eeb964a34e5acd97bef74ec2496a418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80593022a5e232f5eb20371d665ff64c8eeb964a34e5acd97bef74ec2496a418", kill_on_drop: false }`
[INFO] [stdout] 80593022a5e232f5eb20371d665ff64c8eeb964a34e5acd97bef74ec2496a418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d69cb65e4bbb0f2f7e5367cb97cf327554657b17ec1416aebf5701f0ad68571
[INFO] running `Command { std: "docker" "start" "-a" "5d69cb65e4bbb0f2f7e5367cb97cf327554657b17ec1416aebf5701f0ad68571", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudokugen-9cabe8f5c07e9d4c
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test board::test::from ... ok
[INFO] [stdout] test board::test::set_value ... ok
[INFO] [stdout] test board::test::iter_square ... ok
[INFO] [stdout] test board::test::square ... ok
[INFO] [stdout] test board::test::possible_values ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_default ... ok
[INFO] [stdout] test solver::indexed_map::test::insert ... ok
[INFO] [stdout] test solver::indexed_map::test::is_empty ... ok
[INFO] [stdout] test board::test::basics ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_is_mut ... ok
[INFO] [stdout] test solver::indexed_map::test::get_mut ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_undo ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_loc ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_values ... ok
[INFO] [stdout] test board::test::possible_values_is_zero ... ok
[INFO] [stdout] test solver::indexed_map::test::get ... ok
[INFO] [stdout] test solver::indexed_map::test::remove ... ok
[INFO] [stdout] test board::test::iter_cells ... ok
[INFO] [stdout] test solver::indexed_map::test::iter ... ok
[INFO] [stdout] test solver::indexed_map::test::keys ... 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::tests::naked_singles ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_locs_after_parse ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_values_after_parse ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_set_value_removes_cell_as_candidate_for_other_values ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_iter_candidates ... ok
[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] [stderr]      Running /opt/rustwide/target/debug/deps/integration-f6d1864fb170c6b0
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_solved ... ok
[INFO] [stdout] test solve_sudoku_with_backtrack ... ok
[INFO] [stdout] test solve_sudoku_simple ... 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::get_base_size (line 318) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name sudokugen -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-8328e79c72b3a26a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d232e16c9146f234.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-a3470626451f5549.rlib --extern sudokugen=/opt/rustwide/target/debug/deps/libsudokugen-0ef84d5a8b4f6819.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5d69cb65e4bbb0f2f7e5367cb97cf327554657b17ec1416aebf5701f0ad68571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d69cb65e4bbb0f2f7e5367cb97cf327554657b17ec1416aebf5701f0ad68571", kill_on_drop: false }`
[INFO] [stdout] 5d69cb65e4bbb0f2f7e5367cb97cf327554657b17ec1416aebf5701f0ad68571
