[INFO] fetching crate berry-db 0.1.0...
[INFO] testing berry-db-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate berry-db 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate berry-db 0.1.0 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 berry-db 0.1.0
[INFO] finished tweaking crates.io crate berry-db 0.1.0
[INFO] tweaked toml for crates.io crate berry-db 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate berry-db 0.1.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 87c111e9a35dde09d8495e83129aa21b11e9bf4aa1d5ded9a7c850b7f2cda6e0
[INFO] running `Command { std: "docker" "start" "-a" "87c111e9a35dde09d8495e83129aa21b11e9bf4aa1d5ded9a7c850b7f2cda6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c111e9a35dde09d8495e83129aa21b11e9bf4aa1d5ded9a7c850b7f2cda6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c111e9a35dde09d8495e83129aa21b11e9bf4aa1d5ded9a7c850b7f2cda6e0", kill_on_drop: false }`
[INFO] [stdout] 87c111e9a35dde09d8495e83129aa21b11e9bf4aa1d5ded9a7c850b7f2cda6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] bb6c81f5433995d2ed0f82f0a49a39776dd535a0250491936a6df31a21f8f1e4
[INFO] running `Command { std: "docker" "start" "-a" "bb6c81f5433995d2ed0f82f0a49a39776dd535a0250491936a6df31a21f8f1e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling berry-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "bb6c81f5433995d2ed0f82f0a49a39776dd535a0250491936a6df31a21f8f1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6c81f5433995d2ed0f82f0a49a39776dd535a0250491936a6df31a21f8f1e4", kill_on_drop: false }`
[INFO] [stdout] bb6c81f5433995d2ed0f82f0a49a39776dd535a0250491936a6df31a21f8f1e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] d730c287add3a1f2564d1e8865fcea362a261487719bacb4daf235a75b07dd68
[INFO] running `Command { std: "docker" "start" "-a" "d730c287add3a1f2564d1e8865fcea362a261487719bacb4daf235a75b07dd68", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling berry-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "d730c287add3a1f2564d1e8865fcea362a261487719bacb4daf235a75b07dd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d730c287add3a1f2564d1e8865fcea362a261487719bacb4daf235a75b07dd68", kill_on_drop: false }`
[INFO] [stdout] d730c287add3a1f2564d1e8865fcea362a261487719bacb4daf235a75b07dd68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] b84237165a7da9c34539d73b889367aa79c579b9537fdd870f8f285a2adb86a5
[INFO] running `Command { std: "docker" "start" "-a" "b84237165a7da9c34539d73b889367aa79c579b9537fdd870f8f285a2adb86a5", 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/berry_db-bfd8ce92f5cc69d7)
[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" "b84237165a7da9c34539d73b889367aa79c579b9537fdd870f8f285a2adb86a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84237165a7da9c34539d73b889367aa79c579b9537fdd870f8f285a2adb86a5", kill_on_drop: false }`
[INFO] [stdout] b84237165a7da9c34539d73b889367aa79c579b9537fdd870f8f285a2adb86a5