[INFO] fetching crate sudokugen 0.2.0... [INFO] testing sudokugen-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate sudokugen 0.2.0 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate sudokugen 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sudokugen 0.2.0 [INFO] finished tweaking crates.io crate sudokugen 0.2.0 [INFO] tweaked toml for crates.io crate sudokugen 0.2.0 written to /workspace/builds/worker-18/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e9ac78469f3417cd014b598993ee99785ee848f0741c86e1fc6b3f1ae4c0755 [INFO] running `Command { std: "docker" "start" "-a" "2e9ac78469f3417cd014b598993ee99785ee848f0741c86e1fc6b3f1ae4c0755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e9ac78469f3417cd014b598993ee99785ee848f0741c86e1fc6b3f1ae4c0755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e9ac78469f3417cd014b598993ee99785ee848f0741c86e1fc6b3f1ae4c0755", kill_on_drop: false }` [INFO] [stdout] 2e9ac78469f3417cd014b598993ee99785ee848f0741c86e1fc6b3f1ae4c0755 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5677f7a4b857228b971d5b1761b994f48cd0206dda8a7944694faaffe2ffa2d0 [INFO] running `Command { std: "docker" "start" "-a" "5677f7a4b857228b971d5b1761b994f48cd0206dda8a7944694faaffe2ffa2d0", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling sudokugen v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.71s [INFO] running `Command { std: "docker" "inspect" "5677f7a4b857228b971d5b1761b994f48cd0206dda8a7944694faaffe2ffa2d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5677f7a4b857228b971d5b1761b994f48cd0206dda8a7944694faaffe2ffa2d0", kill_on_drop: false }` [INFO] [stdout] 5677f7a4b857228b971d5b1761b994f48cd0206dda8a7944694faaffe2ffa2d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00744b4673c29b8a735ecc99299787c3ae63989bdcec2ca6ba952af68de2a928 [INFO] running `Command { std: "docker" "start" "-a" "00744b4673c29b8a735ecc99299787c3ae63989bdcec2ca6ba952af68de2a928", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling sudokugen v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 57s [INFO] running `Command { std: "docker" "inspect" "00744b4673c29b8a735ecc99299787c3ae63989bdcec2ca6ba952af68de2a928", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00744b4673c29b8a735ecc99299787c3ae63989bdcec2ca6ba952af68de2a928", kill_on_drop: false }` [INFO] [stdout] 00744b4673c29b8a735ecc99299787c3ae63989bdcec2ca6ba952af68de2a928 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3fd337d70343af21e3e4296e0f35d6b2da1c59fdc942440d97bec0a12bda451f [INFO] running `Command { std: "docker" "start" "-a" "3fd337d70343af21e3e4296e0f35d6b2da1c59fdc942440d97bec0a12bda451f", 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] Finished test [unoptimized + debuginfo] target(s) in 2.97s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudokugen-1bb22e9f8eeaf2d1) [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test board::test::basics ... ok [INFO] [stdout] test board::test::from ... ok [INFO] [stdout] test board::test::possible_values ... ok [INFO] [stdout] test board::test::possible_values_is_zero ... ok [INFO] [stdout] test board::test::square ... ok [INFO] [stdout] test board::test::set_value ... ok [INFO] [stdout] test board::test::iter_cells ... ok [INFO] [stdout] test board::test::iter_square ... ok [INFO] [stdout] test solver::indexed_map::test::get ... 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::entry_default ... ok [INFO] [stdout] test solver::candidate_cache::tests::possible_locs_after_parse ... ok [INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_values ... ok [INFO] [stdout] test solver::candidate_cache::tests::possible_values_after_parse ... ok [INFO] [stdout] test solver::candidate_cache::tests::test_iter_candidates ... 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::indexed_map::test::insert ... ok [INFO] [stdout] test solver::indexed_map::test::is_empty ... ok [INFO] [stdout] test solver::indexed_map::test::remove ... 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] [stdout] test solver::candidate_cache::tests::test_undo ... ok [INFO] [stdout] test solver::tests::register_move_results_in_error ... ok [INFO] [stdout] test solver::tests::naked_singles ... ok [INFO] [stderr] Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-1aa92a9663b24879) [INFO] [stdout] test solver::tests::hidden_singles_after_backtrack ... 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; finished in 0.03s [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; finished in 0.85s [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] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 36 tests [INFO] [stdout] test src/lib.rs - (line 73) ... ignored [INFO] [stdout] test src/board.rs - board::CellLoc::iter_square (line 321) ... FAILED [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 --crate-name sudokugen --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-2de5a11dee65e0bf.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-c3ad7b3394e57de5.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-3420e84d71a91800.rlib --extern sudokugen=/opt/rustwide/target/debug/deps/libsudokugen-9bb9ad30a12e9792.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "3fd337d70343af21e3e4296e0f35d6b2da1c59fdc942440d97bec0a12bda451f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fd337d70343af21e3e4296e0f35d6b2da1c59fdc942440d97bec0a12bda451f", kill_on_drop: false }` [INFO] [stdout] 3fd337d70343af21e3e4296e0f35d6b2da1c59fdc942440d97bec0a12bda451f