[INFO] fetching crate amka 1.1.0...
[INFO] testing amka-1.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate amka 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate amka 1.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amka 1.1.0
[INFO] finished tweaking crates.io crate amka 1.1.0
[INFO] tweaked toml for crates.io crate amka 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded luhn v1.0.1
[INFO] [stderr]   Downloaded digits_iterator v0.1.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cf6226fc7341d095de5deefa28fb69d9c140e7208327417a25f5b879b088157
[INFO] running `Command { std: "docker" "start" "-a" "1cf6226fc7341d095de5deefa28fb69d9c140e7208327417a25f5b879b088157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf6226fc7341d095de5deefa28fb69d9c140e7208327417a25f5b879b088157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf6226fc7341d095de5deefa28fb69d9c140e7208327417a25f5b879b088157", kill_on_drop: false }`
[INFO] [stdout] 1cf6226fc7341d095de5deefa28fb69d9c140e7208327417a25f5b879b088157
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebd37cdec6f5b454502b600afa1e60cb9c0f134d0c362dac3aff026ae5f53e4b
[INFO] running `Command { std: "docker" "start" "-a" "ebd37cdec6f5b454502b600afa1e60cb9c0f134d0c362dac3aff026ae5f53e4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling digits_iterator v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling luhn v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling amka v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "ebd37cdec6f5b454502b600afa1e60cb9c0f134d0c362dac3aff026ae5f53e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd37cdec6f5b454502b600afa1e60cb9c0f134d0c362dac3aff026ae5f53e4b", kill_on_drop: false }`
[INFO] [stdout] ebd37cdec6f5b454502b600afa1e60cb9c0f134d0c362dac3aff026ae5f53e4b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7201a385e331206ff505c93bdeb7a7e7390f88f84c6eae98a8d64e2062598482
[INFO] running `Command { std: "docker" "start" "-a" "7201a385e331206ff505c93bdeb7a7e7390f88f84c6eae98a8d64e2062598482", kill_on_drop: false }`
[INFO] [stderr]    Compiling amka v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7201a385e331206ff505c93bdeb7a7e7390f88f84c6eae98a8d64e2062598482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7201a385e331206ff505c93bdeb7a7e7390f88f84c6eae98a8d64e2062598482", kill_on_drop: false }`
[INFO] [stdout] 7201a385e331206ff505c93bdeb7a7e7390f88f84c6eae98a8d64e2062598482
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de73c57394c5b0a30ac1c407d6653b99589c23acb2b3612d196f281de060d9b6
[INFO] running `Command { std: "docker" "start" "-a" "de73c57394c5b0a30ac1c407d6653b99589c23acb2b3612d196f281de060d9b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/amka-a45408c91cd938c2)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::it_fails_when_long_number ... ok
[INFO] [stdout] test tests::it_fails_when_not_a_number ... ok
[INFO] [stdout] test tests::it_fails_when_short_number ... ok
[INFO] [stdout] test tests::it_fails_when_not_a_valid_date ... ok
[INFO] [stdout] test tests::it_validates_valid_amka ... ok
[INFO] [stdout] test tests::it_fails_with_bad_checkdigit ... ok
[INFO] [stdout] test tests::readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests amka
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de73c57394c5b0a30ac1c407d6653b99589c23acb2b3612d196f281de060d9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de73c57394c5b0a30ac1c407d6653b99589c23acb2b3612d196f281de060d9b6", kill_on_drop: false }`
[INFO] [stdout] de73c57394c5b0a30ac1c407d6653b99589c23acb2b3612d196f281de060d9b6