[INFO] fetching crate sudoku-cli 0.2.0...
[INFO] testing sudoku-cli-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sudoku-cli 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sudoku-cli 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudoku-cli 0.2.0
[INFO] finished tweaking crates.io crate sudoku-cli 0.2.0
[INFO] tweaked toml for crates.io crate sudoku-cli 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sudoku-cli 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ffcb16f18b54a190403b592dd5fc30958b0bd6d97129cccb42e62248b82f231
[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" "5ffcb16f18b54a190403b592dd5fc30958b0bd6d97129cccb42e62248b82f231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ffcb16f18b54a190403b592dd5fc30958b0bd6d97129cccb42e62248b82f231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ffcb16f18b54a190403b592dd5fc30958b0bd6d97129cccb42e62248b82f231", kill_on_drop: false }`
[INFO] [stdout] 5ffcb16f18b54a190403b592dd5fc30958b0bd6d97129cccb42e62248b82f231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4c039ac010422e6dd1d4bd4c4964b26b5cab19faa28a99fa56e8eebe3f2a2f1
[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" "c4c039ac010422e6dd1d4bd4c4964b26b5cab19faa28a99fa56e8eebe3f2a2f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling ansi-escapes v0.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling structopt v0.3.3
[INFO] [stderr]    Compiling sudoku-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.33s
[INFO] running `Command { std: "docker" "inspect" "c4c039ac010422e6dd1d4bd4c4964b26b5cab19faa28a99fa56e8eebe3f2a2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c039ac010422e6dd1d4bd4c4964b26b5cab19faa28a99fa56e8eebe3f2a2f1", kill_on_drop: false }`
[INFO] [stdout] c4c039ac010422e6dd1d4bd4c4964b26b5cab19faa28a99fa56e8eebe3f2a2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30a3a651f01098a0a52b7373815186a5d6f28adf34435d7aaab19d979ef5acd3
[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" "30a3a651f01098a0a52b7373815186a5d6f28adf34435d7aaab19d979ef5acd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "30a3a651f01098a0a52b7373815186a5d6f28adf34435d7aaab19d979ef5acd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a3a651f01098a0a52b7373815186a5d6f28adf34435d7aaab19d979ef5acd3", kill_on_drop: false }`
[INFO] [stdout] 30a3a651f01098a0a52b7373815186a5d6f28adf34435d7aaab19d979ef5acd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eac9231d1383eb04642f1578e715293815302bc9faae8284b170bdbb98ce7e8b
[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" "eac9231d1383eb04642f1578e715293815302bc9faae8284b170bdbb98ce7e8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_cli-ca407bac4745afe9
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test sudoku::bitwise::tests::clears ... ok
[INFO] [stdout] test sudoku::bitwise::tests::retrievals ... ok
[INFO] [stdout] test sudoku::bitwise::tests::inverse_shifts ... ok
[INFO] [stdout] test sudoku::data::tests::four_slot ... ok
[INFO] [stdout] test sudoku::data::tests::five_slot ... ok
[INFO] [stdout] test sudoku::bitwise::tests::shifts ... ok
[INFO] [stdout] test sudoku::board::tests::fillable_squares ... ok
[INFO] [stdout] test sudoku::data::tests::mark_boxes ... ok
[INFO] [stdout] test sudoku::data::tests::eight_slot ... ok
[INFO] [stdout] test sudoku::data::tests::seven_slot ... ok
[INFO] [stdout] test sudoku::data::tests::mark_cols ... ok
[INFO] [stdout] test sudoku::data::tests::two_slot ... ok
[INFO] [stdout] test sudoku::data::tests::three_slot ... ok
[INFO] [stdout] test sudoku::data::tests::one_slot ... ok
[INFO] [stdout] test sudoku::data::tests::mark_rows ... ok
[INFO] [stdout] test sudoku::data::tests::six_slot ... ok
[INFO] [stdout] test sudoku::data::tests::zero_slot ... ok
[INFO] [stdout] test sudoku::board::tests::find_all ... ok
[INFO] [stdout] test sudoku::board::tests::find_one ... ok
[INFO] [stdout] test sudoku::board::tests::count_solutions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eac9231d1383eb04642f1578e715293815302bc9faae8284b170bdbb98ce7e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac9231d1383eb04642f1578e715293815302bc9faae8284b170bdbb98ce7e8b", kill_on_drop: false }`
[INFO] [stdout] eac9231d1383eb04642f1578e715293815302bc9faae8284b170bdbb98ce7e8b