[INFO] fetching crate crc32_digest 0.8.1...
[INFO] testing crc32_digest-0.8.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate crc32_digest 0.8.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate crc32_digest 0.8.1 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 crc32_digest 0.8.1
[INFO] finished tweaking crates.io crate crc32_digest 0.8.1
[INFO] tweaked toml for crates.io crate crc32_digest 0.8.1 written to /workspace/builds/worker-38/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 90b3a95dd1eb11eddc3a25cc719ee397c785b3a250ca2707be9f97d5265f7be5
[INFO] running `Command { std: "docker" "start" "-a" "90b3a95dd1eb11eddc3a25cc719ee397c785b3a250ca2707be9f97d5265f7be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b3a95dd1eb11eddc3a25cc719ee397c785b3a250ca2707be9f97d5265f7be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b3a95dd1eb11eddc3a25cc719ee397c785b3a250ca2707be9f97d5265f7be5", kill_on_drop: false }`
[INFO] [stdout] 90b3a95dd1eb11eddc3a25cc719ee397c785b3a250ca2707be9f97d5265f7be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 035eaf8e0d072d63a1d505263a8e173073535878df285c65ecd0620ac288eb4b
[INFO] running `Command { std: "docker" "start" "-a" "035eaf8e0d072d63a1d505263a8e173073535878df285c65ecd0620ac288eb4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crc32_digest v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "035eaf8e0d072d63a1d505263a8e173073535878df285c65ecd0620ac288eb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035eaf8e0d072d63a1d505263a8e173073535878df285c65ecd0620ac288eb4b", kill_on_drop: false }`
[INFO] [stdout] 035eaf8e0d072d63a1d505263a8e173073535878df285c65ecd0620ac288eb4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] a63f57f9698834ea50aca95efb141da02f0c9f8526d8f23e0f8ef9bf23e4e510
[INFO] running `Command { std: "docker" "start" "-a" "a63f57f9698834ea50aca95efb141da02f0c9f8526d8f23e0f8ef9bf23e4e510", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32_digest v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "a63f57f9698834ea50aca95efb141da02f0c9f8526d8f23e0f8ef9bf23e4e510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63f57f9698834ea50aca95efb141da02f0c9f8526d8f23e0f8ef9bf23e4e510", kill_on_drop: false }`
[INFO] [stdout] a63f57f9698834ea50aca95efb141da02f0c9f8526d8f23e0f8ef9bf23e4e510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 4b78dbb26a936f18568d12ff805e22720d22d8ed228867dfa72d3663d2593ca6
[INFO] running `Command { std: "docker" "start" "-a" "4b78dbb26a936f18568d12ff805e22720d22d8ed228867dfa72d3663d2593ca6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crc32_digest-34f11559c10be4ba)
[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] [stderr]      Running tests/digest.rs (/opt/rustwide/target/debug/deps/digest-0f91f25696a13a81)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test hash_ascending ... ok
[INFO] [stdout] test hash_zeroes ... ok
[INFO] [stdout] test hash_empty ... ok
[INFO] [stdout] test hash_ones ... ok
[INFO] [stdout] test reset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crc32_digest
[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" "4b78dbb26a936f18568d12ff805e22720d22d8ed228867dfa72d3663d2593ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b78dbb26a936f18568d12ff805e22720d22d8ed228867dfa72d3663d2593ca6", kill_on_drop: false }`
[INFO] [stdout] 4b78dbb26a936f18568d12ff805e22720d22d8ed228867dfa72d3663d2593ca6