[INFO] fetching crate hash-db 0.15.2...
[INFO] testing hash-db-0.15.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hash-db 0.15.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hash-db 0.15.2 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 hash-db 0.15.2
[INFO] finished tweaking crates.io crate hash-db 0.15.2
[INFO] tweaked toml for crates.io crate hash-db 0.15.2 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 594b04b700e64cea35c2038cef8c750f41e8f8302ef4db53e5e21b96f347206b
[INFO] running `Command { std: "docker" "start" "-a" "594b04b700e64cea35c2038cef8c750f41e8f8302ef4db53e5e21b96f347206b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594b04b700e64cea35c2038cef8c750f41e8f8302ef4db53e5e21b96f347206b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594b04b700e64cea35c2038cef8c750f41e8f8302ef4db53e5e21b96f347206b", kill_on_drop: false }`
[INFO] [stdout] 594b04b700e64cea35c2038cef8c750f41e8f8302ef4db53e5e21b96f347206b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2dabdd6c1338816c123f5d79563eab680871849ff4f2c6f9988b6b77c48c6bc6
[INFO] running `Command { std: "docker" "start" "-a" "2dabdd6c1338816c123f5d79563eab680871849ff4f2c6f9988b6b77c48c6bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash-db v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "2dabdd6c1338816c123f5d79563eab680871849ff4f2c6f9988b6b77c48c6bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dabdd6c1338816c123f5d79563eab680871849ff4f2c6f9988b6b77c48c6bc6", kill_on_drop: false }`
[INFO] [stdout] 2dabdd6c1338816c123f5d79563eab680871849ff4f2c6f9988b6b77c48c6bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c61813948b1b087a50137b661efc16bf5c50ab6a636130f79add1c09f0372c81
[INFO] running `Command { std: "docker" "start" "-a" "c61813948b1b087a50137b661efc16bf5c50ab6a636130f79add1c09f0372c81", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hash-db v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c61813948b1b087a50137b661efc16bf5c50ab6a636130f79add1c09f0372c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61813948b1b087a50137b661efc16bf5c50ab6a636130f79add1c09f0372c81", kill_on_drop: false }`
[INFO] [stdout] c61813948b1b087a50137b661efc16bf5c50ab6a636130f79add1c09f0372c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8d0a2d356fc2574786a598fe618fe1a2d066b25f8812aeee07e860bb3a4e0ffe
[INFO] running `Command { std: "docker" "start" "-a" "8d0a2d356fc2574786a598fe618fe1a2d066b25f8812aeee07e860bb3a4e0ffe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hash_db-882dbeb43c33eaf8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hash-db
[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] [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" "8d0a2d356fc2574786a598fe618fe1a2d066b25f8812aeee07e860bb3a4e0ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0a2d356fc2574786a598fe618fe1a2d066b25f8812aeee07e860bb3a4e0ffe", kill_on_drop: false }`
[INFO] [stdout] 8d0a2d356fc2574786a598fe618fe1a2d066b25f8812aeee07e860bb3a4e0ffe