[INFO] fetching crate lurk 0.1.0...
[INFO] testing lurk-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lurk 0.1.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate lurk 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 lurk 0.1.0
[INFO] finished tweaking crates.io crate lurk 0.1.0
[INFO] tweaked toml for crates.io crate lurk 0.1.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate crates.io crate lurk 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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 6b321b2b29cee4c22532334a27368496dfd8fe0664ddc2a5fac09d243c382edf
[INFO] running `Command { std: "docker" "start" "-a" "6b321b2b29cee4c22532334a27368496dfd8fe0664ddc2a5fac09d243c382edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b321b2b29cee4c22532334a27368496dfd8fe0664ddc2a5fac09d243c382edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b321b2b29cee4c22532334a27368496dfd8fe0664ddc2a5fac09d243c382edf", kill_on_drop: false }`
[INFO] [stdout] 6b321b2b29cee4c22532334a27368496dfd8fe0664ddc2a5fac09d243c382edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] d94cad89096dfbe6fbe3cc00198aeb3b3308a541f1465e6808fc4eb6536004fc
[INFO] running `Command { std: "docker" "start" "-a" "d94cad89096dfbe6fbe3cc00198aeb3b3308a541f1465e6808fc4eb6536004fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lurk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "d94cad89096dfbe6fbe3cc00198aeb3b3308a541f1465e6808fc4eb6536004fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94cad89096dfbe6fbe3cc00198aeb3b3308a541f1465e6808fc4eb6536004fc", kill_on_drop: false }`
[INFO] [stdout] d94cad89096dfbe6fbe3cc00198aeb3b3308a541f1465e6808fc4eb6536004fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] e2613d0743fa42e42effc5e6c2c32957d0cfa0aaa8dd70c41b4bb10a736df516
[INFO] running `Command { std: "docker" "start" "-a" "e2613d0743fa42e42effc5e6c2c32957d0cfa0aaa8dd70c41b4bb10a736df516", kill_on_drop: false }`
[INFO] [stderr]    Compiling lurk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e2613d0743fa42e42effc5e6c2c32957d0cfa0aaa8dd70c41b4bb10a736df516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2613d0743fa42e42effc5e6c2c32957d0cfa0aaa8dd70c41b4bb10a736df516", kill_on_drop: false }`
[INFO] [stdout] e2613d0743fa42e42effc5e6c2c32957d0cfa0aaa8dd70c41b4bb10a736df516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 2c68af05856d3a5f7fce691a6cee5821b559673aecbb38da78d11042eed35ac7
[INFO] running `Command { std: "docker" "start" "-a" "2c68af05856d3a5f7fce691a6cee5821b559673aecbb38da78d11042eed35ac7", 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]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lurk-42d777ddfddceef1)
[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" "2c68af05856d3a5f7fce691a6cee5821b559673aecbb38da78d11042eed35ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c68af05856d3a5f7fce691a6cee5821b559673aecbb38da78d11042eed35ac7", kill_on_drop: false }`
[INFO] [stdout] 2c68af05856d3a5f7fce691a6cee5821b559673aecbb38da78d11042eed35ac7