[INFO] fetching crate feast 0.1.0...
[INFO] testing feast-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate feast 0.1.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate feast 0.1.0 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 feast 0.1.0
[INFO] finished tweaking crates.io crate feast 0.1.0
[INFO] tweaked toml for crates.io crate feast 0.1.0 written to /workspace/builds/worker-22/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 39950fb18f9b6e2c3850d1f32055aa8f705c62896a672959d30428221968f989
[INFO] running `Command { std: "docker" "start" "-a" "39950fb18f9b6e2c3850d1f32055aa8f705c62896a672959d30428221968f989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39950fb18f9b6e2c3850d1f32055aa8f705c62896a672959d30428221968f989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39950fb18f9b6e2c3850d1f32055aa8f705c62896a672959d30428221968f989", kill_on_drop: false }`
[INFO] [stdout] 39950fb18f9b6e2c3850d1f32055aa8f705c62896a672959d30428221968f989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] cbd5347e4f8ba3f87899c278c3981efdc96cdb96d0cd6c028cabd27d2c5f1008
[INFO] running `Command { std: "docker" "start" "-a" "cbd5347e4f8ba3f87899c278c3981efdc96cdb96d0cd6c028cabd27d2c5f1008", kill_on_drop: false }`
[INFO] [stderr]    Compiling feast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "cbd5347e4f8ba3f87899c278c3981efdc96cdb96d0cd6c028cabd27d2c5f1008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd5347e4f8ba3f87899c278c3981efdc96cdb96d0cd6c028cabd27d2c5f1008", kill_on_drop: false }`
[INFO] [stdout] cbd5347e4f8ba3f87899c278c3981efdc96cdb96d0cd6c028cabd27d2c5f1008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 7ce78759fd43f34d067841df4daaf4cde0e968967056ad90b4930ecb8d7c07db
[INFO] running `Command { std: "docker" "start" "-a" "7ce78759fd43f34d067841df4daaf4cde0e968967056ad90b4930ecb8d7c07db", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling feast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "7ce78759fd43f34d067841df4daaf4cde0e968967056ad90b4930ecb8d7c07db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce78759fd43f34d067841df4daaf4cde0e968967056ad90b4930ecb8d7c07db", kill_on_drop: false }`
[INFO] [stdout] 7ce78759fd43f34d067841df4daaf4cde0e968967056ad90b4930ecb8d7c07db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 91af864ce85cbb617b033cd2aae71a72b2fc8386f6e406b91364478cb98a427f
[INFO] running `Command { std: "docker" "start" "-a" "91af864ce85cbb617b033cd2aae71a72b2fc8386f6e406b91364478cb98a427f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/feast-635bf78d890d3f66)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test byte::tests::test_valid_ascii_digit ... ok
[INFO] [stdout] test core::tests::test_peek_simple ... ok
[INFO] [stdout] test core::tests::test_peek_tag ... ok
[INFO] [stdout] test input::slice::tests::test_slice_input_split_at ... ok
[INFO] [stdout] test input::slice::tests::test_slice_input_split_first ... ok
[INFO] [stdout] test input::slice::tests::test_slice_input_split_pair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests feast
[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" "91af864ce85cbb617b033cd2aae71a72b2fc8386f6e406b91364478cb98a427f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91af864ce85cbb617b033cd2aae71a72b2fc8386f6e406b91364478cb98a427f", kill_on_drop: false }`
[INFO] [stdout] 91af864ce85cbb617b033cd2aae71a72b2fc8386f6e406b91364478cb98a427f