[INFO] fetching crate adjacent-pair-iterator 1.0.0...
[INFO] testing adjacent-pair-iterator-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate adjacent-pair-iterator 1.0.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate adjacent-pair-iterator 1.0.0 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 adjacent-pair-iterator 1.0.0
[INFO] finished tweaking crates.io crate adjacent-pair-iterator 1.0.0
[INFO] tweaked toml for crates.io crate adjacent-pair-iterator 1.0.0 written to /workspace/builds/worker-31/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] fe835b363f308ac98e810402363fe61706d8ecaa4d9c423e8310d6b16b7a54a8
[INFO] running `Command { std: "docker" "start" "-a" "fe835b363f308ac98e810402363fe61706d8ecaa4d9c423e8310d6b16b7a54a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe835b363f308ac98e810402363fe61706d8ecaa4d9c423e8310d6b16b7a54a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe835b363f308ac98e810402363fe61706d8ecaa4d9c423e8310d6b16b7a54a8", kill_on_drop: false }`
[INFO] [stdout] fe835b363f308ac98e810402363fe61706d8ecaa4d9c423e8310d6b16b7a54a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 8307470974e7fb1823eac87f3bba15f5a584102fad9ecd6cc571f3f348a4db97
[INFO] running `Command { std: "docker" "start" "-a" "8307470974e7fb1823eac87f3bba15f5a584102fad9ecd6cc571f3f348a4db97", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "8307470974e7fb1823eac87f3bba15f5a584102fad9ecd6cc571f3f348a4db97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8307470974e7fb1823eac87f3bba15f5a584102fad9ecd6cc571f3f348a4db97", kill_on_drop: false }`
[INFO] [stdout] 8307470974e7fb1823eac87f3bba15f5a584102fad9ecd6cc571f3f348a4db97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] cf46ac3cfdaeb5b1ad69a3a2e57645a2951e6bad5048a1918a5bafd737e759ef
[INFO] running `Command { std: "docker" "start" "-a" "cf46ac3cfdaeb5b1ad69a3a2e57645a2951e6bad5048a1918a5bafd737e759ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "cf46ac3cfdaeb5b1ad69a3a2e57645a2951e6bad5048a1918a5bafd737e759ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf46ac3cfdaeb5b1ad69a3a2e57645a2951e6bad5048a1918a5bafd737e759ef", kill_on_drop: false }`
[INFO] [stdout] cf46ac3cfdaeb5b1ad69a3a2e57645a2951e6bad5048a1918a5bafd737e759ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 020ca70376428abd89bd6da9f9d836f0c0fca410ebd039ddd11f9da959dd9cba
[INFO] running `Command { std: "docker" "start" "-a" "020ca70376428abd89bd6da9f9d836f0c0fca410ebd039ddd11f9da959dd9cba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adjacent_pair_iterator-88c731d64a4cdc4f)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::should_convert_from_iterable ... ok
[INFO] [stdout] test tests::should_debug_print ... ok
[INFO] [stdout] test tests::should_provide_many_pairs ... ok
[INFO] [stdout] test tests::should_provide_nothing_for_only_one_input ... ok
[INFO] [stdout] test tests::should_provide_nothing_without_items ... ok
[INFO] [stdout] test tests::should_provide_pair_for_two_inputs ... ok
[INFO] [stdout] test tests::should_provide_two_pairs_for_three_inputs ... ok
[INFO] [stdout] test tests::should_work_with_into_iterator ... ok
[INFO] [stdout] test tests::should_update_its_size_hint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/readme_example.rs (/opt/rustwide/target/debug/deps/readme_example-e0a3048d31421904)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests adjacent-pair-iterator
[INFO] [stdout] running 1 test
[INFO] [stdout] test readme_example_output_is_as_expected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "020ca70376428abd89bd6da9f9d836f0c0fca410ebd039ddd11f9da959dd9cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020ca70376428abd89bd6da9f9d836f0c0fca410ebd039ddd11f9da959dd9cba", kill_on_drop: false }`
[INFO] [stdout] 020ca70376428abd89bd6da9f9d836f0c0fca410ebd039ddd11f9da959dd9cba