[INFO] fetching crate bitpack 0.2.1...
[INFO] testing bitpack-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bitpack 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bitpack 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitpack 0.2.1
[INFO] finished tweaking crates.io crate bitpack 0.2.1
[INFO] tweaked toml for crates.io crate bitpack 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae8e24a0240cb16a6137a795fd9f99a9577b08870b6d6373886f1ea0deca0b3b
[INFO] running `Command { std: "docker" "start" "-a" "ae8e24a0240cb16a6137a795fd9f99a9577b08870b6d6373886f1ea0deca0b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8e24a0240cb16a6137a795fd9f99a9577b08870b6d6373886f1ea0deca0b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8e24a0240cb16a6137a795fd9f99a9577b08870b6d6373886f1ea0deca0b3b", kill_on_drop: false }`
[INFO] [stdout] ae8e24a0240cb16a6137a795fd9f99a9577b08870b6d6373886f1ea0deca0b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3415318d133d6c8190c754de4970830c5efed5f224bd76297afde987990911e
[INFO] running `Command { std: "docker" "start" "-a" "f3415318d133d6c8190c754de4970830c5efed5f224bd76297afde987990911e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitpack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "f3415318d133d6c8190c754de4970830c5efed5f224bd76297afde987990911e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3415318d133d6c8190c754de4970830c5efed5f224bd76297afde987990911e", kill_on_drop: false }`
[INFO] [stdout] f3415318d133d6c8190c754de4970830c5efed5f224bd76297afde987990911e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bb166dc96f928eba1df97be4c08a473b1143313e116fd97e24efc2046f72687
[INFO] running `Command { std: "docker" "start" "-a" "6bb166dc96f928eba1df97be4c08a473b1143313e116fd97e24efc2046f72687", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitpack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "6bb166dc96f928eba1df97be4c08a473b1143313e116fd97e24efc2046f72687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb166dc96f928eba1df97be4c08a473b1143313e116fd97e24efc2046f72687", kill_on_drop: false }`
[INFO] [stdout] 6bb166dc96f928eba1df97be4c08a473b1143313e116fd97e24efc2046f72687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c27941013effdbc147e4268c4103d3ed0d7e52f59ce65bae27ebc774555fdea
[INFO] running `Command { std: "docker" "start" "-a" "2c27941013effdbc147e4268c4103d3ed0d7e52f59ce65bae27ebc774555fdea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitpack-c14f5876fcf0c82c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_bigbit ... ok
[INFO] [stdout] test test_moresmallbit ... ok
[INFO] [stdout] test test_smallbit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitpack
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - BitPack<&'a [u8]>::read (line 99) ... ok
[INFO] [stdout] test src/lib.rs - BitPack<&'a mut [u8]>::write (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c27941013effdbc147e4268c4103d3ed0d7e52f59ce65bae27ebc774555fdea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c27941013effdbc147e4268c4103d3ed0d7e52f59ce65bae27ebc774555fdea", kill_on_drop: false }`
[INFO] [stdout] 2c27941013effdbc147e4268c4103d3ed0d7e52f59ce65bae27ebc774555fdea