[INFO] fetching crate crate_testing 0.1.0...
[INFO] testing crate_testing-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate crate_testing 0.1.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate crate_testing 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 crate_testing 0.1.0
[INFO] finished tweaking crates.io crate crate_testing 0.1.0
[INFO] tweaked toml for crates.io crate crate_testing 0.1.0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate crate_testing 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] e364b9e6f6d44dedf1502db1eab08b2fa76bae335ae60593bf090b078143206c
[INFO] running `Command { std: "docker" "start" "-a" "e364b9e6f6d44dedf1502db1eab08b2fa76bae335ae60593bf090b078143206c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e364b9e6f6d44dedf1502db1eab08b2fa76bae335ae60593bf090b078143206c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e364b9e6f6d44dedf1502db1eab08b2fa76bae335ae60593bf090b078143206c", kill_on_drop: false }`
[INFO] [stdout] e364b9e6f6d44dedf1502db1eab08b2fa76bae335ae60593bf090b078143206c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 6ccc9a53aa9fa547479efbf4df295f218b77c16e9c57cc5cf7a2c74947819e2f
[INFO] running `Command { std: "docker" "start" "-a" "6ccc9a53aa9fa547479efbf4df295f218b77c16e9c57cc5cf7a2c74947819e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crate_testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "6ccc9a53aa9fa547479efbf4df295f218b77c16e9c57cc5cf7a2c74947819e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ccc9a53aa9fa547479efbf4df295f218b77c16e9c57cc5cf7a2c74947819e2f", kill_on_drop: false }`
[INFO] [stdout] 6ccc9a53aa9fa547479efbf4df295f218b77c16e9c57cc5cf7a2c74947819e2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 891202d39b5a3c38566a63d67b17b14c518bcd1e904c485bcffff57f8bc0f3e0
[INFO] running `Command { std: "docker" "start" "-a" "891202d39b5a3c38566a63d67b17b14c518bcd1e904c485bcffff57f8bc0f3e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crate_testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "891202d39b5a3c38566a63d67b17b14c518bcd1e904c485bcffff57f8bc0f3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891202d39b5a3c38566a63d67b17b14c518bcd1e904c485bcffff57f8bc0f3e0", kill_on_drop: false }`
[INFO] [stdout] 891202d39b5a3c38566a63d67b17b14c518bcd1e904c485bcffff57f8bc0f3e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] d6c25a9f00587350cfcea4a3e1f6c4b84688e26a6f43ce61ba9fc43af0fe28bc
[INFO] running `Command { std: "docker" "start" "-a" "d6c25a9f00587350cfcea4a3e1f6c4b84688e26a6f43ce61ba9fc43af0fe28bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crate_testing-8e9b0d23f7f6c81c)
[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" "d6c25a9f00587350cfcea4a3e1f6c4b84688e26a6f43ce61ba9fc43af0fe28bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c25a9f00587350cfcea4a3e1f6c4b84688e26a6f43ce61ba9fc43af0fe28bc", kill_on_drop: false }`
[INFO] [stdout] d6c25a9f00587350cfcea4a3e1f6c4b84688e26a6f43ce61ba9fc43af0fe28bc