[INFO] fetching crate sudoku_rs 0.2.3...
[INFO] testing sudoku_rs-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sudoku_rs 0.2.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate sudoku_rs 0.2.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudoku_rs 0.2.3
[INFO] finished tweaking crates.io crate sudoku_rs 0.2.3
[INFO] tweaked toml for crates.io crate sudoku_rs 0.2.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c08b5711cc2ac0895b508e162e521fa0ffc87eedd2b4ecc4a40fcf815a9b837e
[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" "c08b5711cc2ac0895b508e162e521fa0ffc87eedd2b4ecc4a40fcf815a9b837e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c08b5711cc2ac0895b508e162e521fa0ffc87eedd2b4ecc4a40fcf815a9b837e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08b5711cc2ac0895b508e162e521fa0ffc87eedd2b4ecc4a40fcf815a9b837e", kill_on_drop: false }`
[INFO] [stdout] c08b5711cc2ac0895b508e162e521fa0ffc87eedd2b4ecc4a40fcf815a9b837e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3421c0ff26e624b0793bd4cb1fc6a8800edaebe26bf08c666858dd2aafa587fa
[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" "3421c0ff26e624b0793bd4cb1fc6a8800edaebe26bf08c666858dd2aafa587fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "3421c0ff26e624b0793bd4cb1fc6a8800edaebe26bf08c666858dd2aafa587fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3421c0ff26e624b0793bd4cb1fc6a8800edaebe26bf08c666858dd2aafa587fa", kill_on_drop: false }`
[INFO] [stdout] 3421c0ff26e624b0793bd4cb1fc6a8800edaebe26bf08c666858dd2aafa587fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6237bbddda708f56e35fb044053a38eb795b4e414b1090659fdd765490ec7ab7
[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" "6237bbddda708f56e35fb044053a38eb795b4e414b1090659fdd765490ec7ab7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling sudoku_rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.73s
[INFO] running `Command { std: "docker" "inspect" "6237bbddda708f56e35fb044053a38eb795b4e414b1090659fdd765490ec7ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6237bbddda708f56e35fb044053a38eb795b4e414b1090659fdd765490ec7ab7", kill_on_drop: false }`
[INFO] [stdout] 6237bbddda708f56e35fb044053a38eb795b4e414b1090659fdd765490ec7ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b8a676c0d6472a0040f2abd960f6105fbafabb194fd1d8d021621710fb3421f
[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" "5b8a676c0d6472a0040f2abd960f6105fbafabb194fd1d8d021621710fb3421f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_rs-3c88a1206e4b92d1
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test bitset::test::and ... ok
[INFO] [stdout] test bitset::test::count ... ok
[INFO] [stdout] test bitset::test::remove ... ok
[INFO] [stdout] test board::test::avaliable_count ... ok
[INFO] [stdout] test bitset::test::set ... ok
[INFO] [stdout] test board::test::avaliable_val ... ok
[INFO] [stdout] test bitset::test::set_get ... ok
[INFO] [stdout] test bitset::test::reverse ... ok
[INFO] [stdout] test board::test::empty ... ok
[INFO] [stdout] test board::test::display ... ok
[INFO] [stdout] test board::test::from_str ... ok
[INFO] [stdout] test board::test::set_edge_81 ... ok
[INFO] [stdout] test board::test::win_check ... ok
[INFO] [stdout] test grade::test::grade_0 ... ok
[INFO] [stdout] test grade::test::grade_n ... ok
[INFO] [stdout] test grade::test::grade_9 ... ok
[INFO] [stdout] test board::test::set_edge_0 ... ok
[INFO] [stdout] test solver::test::multi_solve ... ok
[INFO] [stdout] test solver::test::unique ... ok
[INFO] [stdout] test solver::test::unique_idempotence ... ok
[INFO] [stdout] test solver::test::solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku_rs
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/solver.rs - solver (line 5) ... ok
[INFO] [stdout] test src/board.rs - board (line 3) ... ok
[INFO] [stdout] test src/board.rs - board::Board::is_empty (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/solver.rs - solver (line 15) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_vec (line 43) ... ok
[INFO] [stdout] test src/grade.rs - grade (line 2) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b8a676c0d6472a0040f2abd960f6105fbafabb194fd1d8d021621710fb3421f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8a676c0d6472a0040f2abd960f6105fbafabb194fd1d8d021621710fb3421f", kill_on_drop: false }`
[INFO] [stdout] 5b8a676c0d6472a0040f2abd960f6105fbafabb194fd1d8d021621710fb3421f