[INFO] fetching crate slower 0.1.0...
[INFO] testing slower-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate slower 0.1.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate slower 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 slower 0.1.0
[INFO] finished tweaking crates.io crate slower 0.1.0
[INFO] tweaked toml for crates.io crate slower 0.1.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate slower 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-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] 37563f15d974d5226438b956e64ac652ca318c141048135cc00e0917146a46da
[INFO] running `Command { std: "docker" "start" "-a" "37563f15d974d5226438b956e64ac652ca318c141048135cc00e0917146a46da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37563f15d974d5226438b956e64ac652ca318c141048135cc00e0917146a46da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37563f15d974d5226438b956e64ac652ca318c141048135cc00e0917146a46da", kill_on_drop: false }`
[INFO] [stdout] 37563f15d974d5226438b956e64ac652ca318c141048135cc00e0917146a46da
[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] 429e416557ad05966c7acfb940c6396ccb9120aa073ffd4f6c04ef60c67f1717
[INFO] running `Command { std: "docker" "start" "-a" "429e416557ad05966c7acfb940c6396ccb9120aa073ffd4f6c04ef60c67f1717", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling slower v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `Command { std: "docker" "inspect" "429e416557ad05966c7acfb940c6396ccb9120aa073ffd4f6c04ef60c67f1717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429e416557ad05966c7acfb940c6396ccb9120aa073ffd4f6c04ef60c67f1717", kill_on_drop: false }`
[INFO] [stdout] 429e416557ad05966c7acfb940c6396ccb9120aa073ffd4f6c04ef60c67f1717
[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] ca1ae089b58d7f17748f40632a6ec2973e749759f994272a47057b4bbf5935be
[INFO] running `Command { std: "docker" "start" "-a" "ca1ae089b58d7f17748f40632a6ec2973e749759f994272a47057b4bbf5935be", kill_on_drop: false }`
[INFO] [stderr]    Compiling slower v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "ca1ae089b58d7f17748f40632a6ec2973e749759f994272a47057b4bbf5935be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1ae089b58d7f17748f40632a6ec2973e749759f994272a47057b4bbf5935be", kill_on_drop: false }`
[INFO] [stdout] ca1ae089b58d7f17748f40632a6ec2973e749759f994272a47057b4bbf5935be
[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] 6ae59467ca33402026ab500177d8c32987217c95bb13fe0f8b7f2115d3ed5cba
[INFO] running `Command { std: "docker" "start" "-a" "6ae59467ca33402026ab500177d8c32987217c95bb13fe0f8b7f2115d3ed5cba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slower-5e70f6859783a94f)
[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" "6ae59467ca33402026ab500177d8c32987217c95bb13fe0f8b7f2115d3ed5cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae59467ca33402026ab500177d8c32987217c95bb13fe0f8b7f2115d3ed5cba", kill_on_drop: false }`
[INFO] [stdout] 6ae59467ca33402026ab500177d8c32987217c95bb13fe0f8b7f2115d3ed5cba