[INFO] fetching crate sudoku_rs 0.2.3...
[INFO] testing sudoku_rs-0.2.3 against beta-2022-04-10 for beta-1.61-1
[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-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e1f36b31d12690def588873c26f3c8108fb42b1ca2dd56abe594f409012f48f
[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" "3e1f36b31d12690def588873c26f3c8108fb42b1ca2dd56abe594f409012f48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e1f36b31d12690def588873c26f3c8108fb42b1ca2dd56abe594f409012f48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1f36b31d12690def588873c26f3c8108fb42b1ca2dd56abe594f409012f48f", kill_on_drop: false }`
[INFO] [stdout] 3e1f36b31d12690def588873c26f3c8108fb42b1ca2dd56abe594f409012f48f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 627f40958ffdd04b2a496254eb65a2cac1ee290d51d7bee3b3b94418c8973d11
[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" "627f40958ffdd04b2a496254eb65a2cac1ee290d51d7bee3b3b94418c8973d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "627f40958ffdd04b2a496254eb65a2cac1ee290d51d7bee3b3b94418c8973d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627f40958ffdd04b2a496254eb65a2cac1ee290d51d7bee3b3b94418c8973d11", kill_on_drop: false }`
[INFO] [stdout] 627f40958ffdd04b2a496254eb65a2cac1ee290d51d7bee3b3b94418c8973d11
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] a56441bd6816187130b799b4f7a900853cd70cc0f6168131d6198f1c3e7ac3bb
[INFO] running `Command { std: "docker" "start" "-a" "a56441bd6816187130b799b4f7a900853cd70cc0f6168131d6198f1c3e7ac3bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku_rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_rs-9f43de1a9797e535)
[INFO] running `Command { std: "docker" "inspect" "a56441bd6816187130b799b4f7a900853cd70cc0f6168131d6198f1c3e7ac3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56441bd6816187130b799b4f7a900853cd70cc0f6168131d6198f1c3e7ac3bb", kill_on_drop: false }`
[INFO] [stdout] a56441bd6816187130b799b4f7a900853cd70cc0f6168131d6198f1c3e7ac3bb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 730550e8836d5af46cc10dd326832dad65ec6f8c6bd3e7160fefb9d281f9b45b
[INFO] running `Command { std: "docker" "start" "-a" "730550e8836d5af46cc10dd326832dad65ec6f8c6bd3e7160fefb9d281f9b45b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_rs-9f43de1a9797e535)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test bitset::test::remove ... ok
[INFO] [stdout] test bitset::test::set ... ok
[INFO] [stdout] test board::test::avaliable_count ... ok
[INFO] [stdout] test bitset::test::set_get ... ok
[INFO] [stdout] test bitset::test::and ... ok
[INFO] [stdout] test bitset::test::count ... ok
[INFO] [stdout] test board::test::set_edge_81 ... ok
[INFO] [stdout] test bitset::test::reverse ... ok
[INFO] [stdout] test grade::test::grade_n ... ok
[INFO] [stderr]    Doc-tests sudoku_rs
[INFO] [stdout] test solver::test::unique_idempotence ... ok
[INFO] [stdout] test board::test::from_str ... ok
[INFO] [stdout] test board::test::avaliable_val ... ok
[INFO] [stdout] test board::test::win_check ... ok
[INFO] [stdout] test grade::test::grade_9 ... ok
[INFO] [stdout] test board::test::display ... ok
[INFO] [stdout] test grade::test::grade_0 ... ok
[INFO] [stdout] test board::test::set_edge_0 ... ok
[INFO] [stdout] test solver::test::multi_solve ... ok
[INFO] [stdout] test board::test::empty ... ok
[INFO] [stdout] test solver::test::unique ... 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 0.02s
[INFO] [stdout] 
[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/solver.rs - solver (line 15) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_vec (line 43) ... 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/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 14.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "730550e8836d5af46cc10dd326832dad65ec6f8c6bd3e7160fefb9d281f9b45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730550e8836d5af46cc10dd326832dad65ec6f8c6bd3e7160fefb9d281f9b45b", kill_on_drop: false }`
[INFO] [stdout] 730550e8836d5af46cc10dd326832dad65ec6f8c6bd3e7160fefb9d281f9b45b