[INFO] fetching crate prometheus-scrape 0.1.1...
[INFO] testing prometheus-scrape-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate prometheus-scrape 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate prometheus-scrape 0.1.1 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 prometheus-scrape 0.1.1
[INFO] finished tweaking crates.io crate prometheus-scrape 0.1.1
[INFO] tweaked toml for crates.io crate prometheus-scrape 0.1.1 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12c8c9654f091c9c12ae8bda3fdabcf0094df8f076b9b1a94d097b160fe5d20a
[INFO] running `Command { std: "docker" "start" "-a" "12c8c9654f091c9c12ae8bda3fdabcf0094df8f076b9b1a94d097b160fe5d20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c8c9654f091c9c12ae8bda3fdabcf0094df8f076b9b1a94d097b160fe5d20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c8c9654f091c9c12ae8bda3fdabcf0094df8f076b9b1a94d097b160fe5d20a", kill_on_drop: false }`
[INFO] [stdout] 12c8c9654f091c9c12ae8bda3fdabcf0094df8f076b9b1a94d097b160fe5d20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b865d7fdc1f5f7d3fcdf75f08a750ea2029a83336c839f46777a1fcc13a6af1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b865d7fdc1f5f7d3fcdf75f08a750ea2029a83336c839f46777a1fcc13a6af1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-scrape v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "b865d7fdc1f5f7d3fcdf75f08a750ea2029a83336c839f46777a1fcc13a6af1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b865d7fdc1f5f7d3fcdf75f08a750ea2029a83336c839f46777a1fcc13a6af1f", kill_on_drop: false }`
[INFO] [stdout] b865d7fdc1f5f7d3fcdf75f08a750ea2029a83336c839f46777a1fcc13a6af1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7b5c574d7bf272f2b43427e1f25453d33577be3ea7af5eb01d0149a80693f1a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7b5c574d7bf272f2b43427e1f25453d33577be3ea7af5eb01d0149a80693f1a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-scrape v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "7b5c574d7bf272f2b43427e1f25453d33577be3ea7af5eb01d0149a80693f1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5c574d7bf272f2b43427e1f25453d33577be3ea7af5eb01d0149a80693f1a3", kill_on_drop: false }`
[INFO] [stdout] 7b5c574d7bf272f2b43427e1f25453d33577be3ea7af5eb01d0149a80693f1a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0769c0e2537eb7586cebddede4d170c1ff0d9f4e9cf9915d98155766f22e3d0
[INFO] running `Command { std: "docker" "start" "-a" "e0769c0e2537eb7586cebddede4d170c1ff0d9f4e9cf9915d98155766f22e3d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_scrape-c163336b083483b7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_labels_parse ... ok
[INFO] [stdout] test tests::test_golang_float ... ok
[INFO] [stdout] test tests::test_parse_samples ... ok
[INFO] [stderr]    Doc-tests prometheus-scrape
[INFO] [stdout] test tests::test_lineinfo_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "e0769c0e2537eb7586cebddede4d170c1ff0d9f4e9cf9915d98155766f22e3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0769c0e2537eb7586cebddede4d170c1ff0d9f4e9cf9915d98155766f22e3d0", kill_on_drop: false }`
[INFO] [stdout] e0769c0e2537eb7586cebddede4d170c1ff0d9f4e9cf9915d98155766f22e3d0