[INFO] fetching crate sudokugen 0.1.0...
[INFO] testing sudokugen-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate sudokugen 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sudokugen 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] b0d55e55a44be9932787ad859de44434e4971c975ba0a79971e3ce50c35c7705
[INFO] running `Command { std: "docker" "start" "-a" "b0d55e55a44be9932787ad859de44434e4971c975ba0a79971e3ce50c35c7705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d55e55a44be9932787ad859de44434e4971c975ba0a79971e3ce50c35c7705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d55e55a44be9932787ad859de44434e4971c975ba0a79971e3ce50c35c7705", kill_on_drop: false }`
[INFO] [stdout] b0d55e55a44be9932787ad859de44434e4971c975ba0a79971e3ce50c35c7705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74af86d48543223f790e377f2f9d1321571f6511f7eb2ac6938c206e3dd3fa2a
[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" "74af86d48543223f790e377f2f9d1321571f6511f7eb2ac6938c206e3dd3fa2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sudokugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.34s
[INFO] running `Command { std: "docker" "inspect" "74af86d48543223f790e377f2f9d1321571f6511f7eb2ac6938c206e3dd3fa2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74af86d48543223f790e377f2f9d1321571f6511f7eb2ac6938c206e3dd3fa2a", kill_on_drop: false }`
[INFO] [stdout] 74af86d48543223f790e377f2f9d1321571f6511f7eb2ac6938c206e3dd3fa2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6aa14896bbf6b7540981f4e29438ad99716f827e80875ccc70323ebc2de773b
[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" "e6aa14896bbf6b7540981f4e29438ad99716f827e80875ccc70323ebc2de773b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling sudokugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "e6aa14896bbf6b7540981f4e29438ad99716f827e80875ccc70323ebc2de773b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6aa14896bbf6b7540981f4e29438ad99716f827e80875ccc70323ebc2de773b", kill_on_drop: false }`
[INFO] [stdout] e6aa14896bbf6b7540981f4e29438ad99716f827e80875ccc70323ebc2de773b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 0886dc3b506eec628805f954756b9023af26a954054fd5588a5fc7614f374924
[INFO] running `Command { std: "docker" "start" "-a" "0886dc3b506eec628805f954756b9023af26a954054fd5588a5fc7614f374924", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudokugen-9507f582beb2e005
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test board::test::basics ... ok
[INFO] [stdout] test board::test::square ... ok
[INFO] [stdout] test board::test::iter_square ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_default ... ok
[INFO] [stdout] test board::test::possible_values_is_zero ... ok
[INFO] [stdout] test board::test::set_value ... ok
[INFO] [stdout] test board::test::from ... ok
[INFO] [stdout] test board::test::possible_values ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_values ... 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 board::test::iter_cells ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_values_after_parse ... 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::iter ... ok
[INFO] [stdout] test solver::indexed_map::test::keys ... ok
[INFO] [stdout] test solver::indexed_map::test::remove ... ok
[INFO] [stdout] test solver::indexed_map::test::get ... 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::tests::naked_singles ... ok
[INFO] [stdout] test solver::tests::register_move_results_in_error ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_locs_after_parse ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_iter_candidates ... ok
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-ce665caa94df1572
[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] [stderr]    Doc-tests sudokugen
[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] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test src/board.rs - board::Board::get_base_size (line 318) ... ok
[INFO] [stdout] test src/board.rs - board::Board::cell_at (line 445) ... ok
[INFO] [stdout] test src/board.rs - board::Board::iter_cells (line 416) ... ok
[INFO] [stdout] test src/board.rs - board::Board (line 36) ... ok
[INFO] [stdout] test src/board.rs - board::Board (line 26) ... ok
[INFO] [stdout] test src/board.rs - board::Board::rotated (line 468) ... ok
[INFO] [stdout] test src/board.rs - board::Board::set (line 333) ... ok
[INFO] [stdout] test src/board.rs - board::Board::get_at (line 402) ... ok
[INFO] [stdout] test src/board.rs - board::Board::new (line 299) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 570) ... ok
[INFO] [stdout] test src/board.rs - board::Board::unset (line 364) ... ok
[INFO] [stdout] test src/board.rs - board::Board::get (line 382) ... ok
[INFO] [stdout] test src/board.rs - board::Board::set_at (line 350) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 588) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... ignored
[INFO] [stdout] test src/board.rs - board::CellLoc::col (line 186) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::at (line 88) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::new (line 107) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::get_index (line 119) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::line (line 174) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::square (line 199) ... 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/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_line (line 215) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::get_possible_values (line 134) ... ok
[INFO] [stdout] test src/solver.rs - solver (line 5) ... ok
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_square (line 263) ... 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.rs - solver::solve (line 145) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::GenSudoku::board (line 110) ... ok
[INFO] [stdout] test src/solver/generator.rs - solver::generator::GenSudoku::is_solution_unique (line 134) ... 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" "0886dc3b506eec628805f954756b9023af26a954054fd5588a5fc7614f374924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0886dc3b506eec628805f954756b9023af26a954054fd5588a5fc7614f374924", kill_on_drop: false }`
[INFO] [stdout] 0886dc3b506eec628805f954756b9023af26a954054fd5588a5fc7614f374924