[INFO] fetching crate prometheus-exposition-format-rs 0.1.2...
[INFO] testing prometheus-exposition-format-rs-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate prometheus-exposition-format-rs 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prometheus-exposition-format-rs 0.1.2 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-exposition-format-rs 0.1.2
[INFO] finished tweaking crates.io crate prometheus-exposition-format-rs 0.1.2
[INFO] tweaked toml for crates.io crate prometheus-exposition-format-rs 0.1.2 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0d6d21aa037e1b30ecc2faf1d9e24d3078dbdea0e4f3af327cb231fd127ce8e5
[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" "0d6d21aa037e1b30ecc2faf1d9e24d3078dbdea0e4f3af327cb231fd127ce8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d6d21aa037e1b30ecc2faf1d9e24d3078dbdea0e4f3af327cb231fd127ce8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6d21aa037e1b30ecc2faf1d9e24d3078dbdea0e4f3af327cb231fd127ce8e5", kill_on_drop: false }`
[INFO] [stdout] 0d6d21aa037e1b30ecc2faf1d9e24d3078dbdea0e4f3af327cb231fd127ce8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] dbc0cb1fc0936f3f7b14ddd8d1c5d70e9eae226ef5a287e40c0f8bf761ae7654
[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" "dbc0cb1fc0936f3f7b14ddd8d1c5d70e9eae226ef5a287e40c0f8bf761ae7654", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling prometheus-exposition-format-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "dbc0cb1fc0936f3f7b14ddd8d1c5d70e9eae226ef5a287e40c0f8bf761ae7654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc0cb1fc0936f3f7b14ddd8d1c5d70e9eae226ef5a287e40c0f8bf761ae7654", kill_on_drop: false }`
[INFO] [stdout] dbc0cb1fc0936f3f7b14ddd8d1c5d70e9eae226ef5a287e40c0f8bf761ae7654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 029aadef3ee83b67d72837ebcb307b9f91ce419f8b59538b1a6a9fbaeafa9299
[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" "029aadef3ee83b67d72837ebcb307b9f91ce419f8b59538b1a6a9fbaeafa9299", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-exposition-format-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "029aadef3ee83b67d72837ebcb307b9f91ce419f8b59538b1a6a9fbaeafa9299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029aadef3ee83b67d72837ebcb307b9f91ce419f8b59538b1a6a9fbaeafa9299", kill_on_drop: false }`
[INFO] [stdout] 029aadef3ee83b67d72837ebcb307b9f91ce419f8b59538b1a6a9fbaeafa9299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0d1a439ff6487c64dfe1577c21b1c608b8636d7088701c3ace4d4ea708442e11
[INFO] running `Command { std: "docker" "start" "-a" "0d1a439ff6487c64dfe1577c21b1c608b8636d7088701c3ace4d4ea708442e11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_exposition_format_rs-75f602dfa99207f3)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test comment::test_other_comment_parser ... ok
[INFO] [stdout] test comment::test_comment_parser ... ok
[INFO] [stdout] test comment::test_help_parser ... ok
[INFO] [stdout] test samples::test_timestamp_parser ... ok
[INFO] [stdout] test comment::test_type_parser ... ok
[INFO] [stdout] test test_parse_summary ... ok
[INFO] [stdout] test samples::test_tag_value_parser ... ok
[INFO] [stdout] test samples::test_value_parser ... ok
[INFO] [stdout] test test_parse_complete ... ok
[INFO] [stdout] test samples::test_labels_parser ... ok
[INFO] [stdout] test common::test_token_parser ... ok
[INFO] [stdout] test common::test_empty_line_parser ... ok
[INFO] [stdout] test samples::test_parse_sample_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-e4c9ab4dc2ec1c21)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_nok_fixture_files ... ok
[INFO] [stderr]    Doc-tests prometheus-exposition-format-rs
[INFO] [stdout] test test_ok_fixture_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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" "0d1a439ff6487c64dfe1577c21b1c608b8636d7088701c3ace4d4ea708442e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1a439ff6487c64dfe1577c21b1c608b8636d7088701c3ace4d4ea708442e11", kill_on_drop: false }`
[INFO] [stdout] 0d1a439ff6487c64dfe1577c21b1c608b8636d7088701c3ace4d4ea708442e11