[INFO] fetching crate prometheus-wire 0.1.0...
[INFO] testing prometheus-wire-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate prometheus-wire 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prometheus-wire 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 prometheus-wire 0.1.0
[INFO] finished tweaking crates.io crate prometheus-wire 0.1.0
[INFO] tweaked toml for crates.io crate prometheus-wire 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e73f3535331d583fc8325e108d6fbf05d3769bd371b01550964c3d38901f5d03
[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" "e73f3535331d583fc8325e108d6fbf05d3769bd371b01550964c3d38901f5d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e73f3535331d583fc8325e108d6fbf05d3769bd371b01550964c3d38901f5d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73f3535331d583fc8325e108d6fbf05d3769bd371b01550964c3d38901f5d03", kill_on_drop: false }`
[INFO] [stdout] e73f3535331d583fc8325e108d6fbf05d3769bd371b01550964c3d38901f5d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c438ff5b2b0c09888425cbb923f41dfb2ba2a2d9a4993cd1628b967235e53f1
[INFO] running `Command { std: "docker" "start" "-a" "0c438ff5b2b0c09888425cbb923f41dfb2ba2a2d9a4993cd1628b967235e53f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-wire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "0c438ff5b2b0c09888425cbb923f41dfb2ba2a2d9a4993cd1628b967235e53f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c438ff5b2b0c09888425cbb923f41dfb2ba2a2d9a4993cd1628b967235e53f1", kill_on_drop: false }`
[INFO] [stdout] 0c438ff5b2b0c09888425cbb923f41dfb2ba2a2d9a4993cd1628b967235e53f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 705bd3573db9b7049808ac44be53ec291f0523535073ebe4e3a050f2d4f5b38d
[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" "705bd3573db9b7049808ac44be53ec291f0523535073ebe4e3a050f2d4f5b38d", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-wire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "705bd3573db9b7049808ac44be53ec291f0523535073ebe4e3a050f2d4f5b38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705bd3573db9b7049808ac44be53ec291f0523535073ebe4e3a050f2d4f5b38d", kill_on_drop: false }`
[INFO] [stdout] 705bd3573db9b7049808ac44be53ec291f0523535073ebe4e3a050f2d4f5b38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 084df09a30b9aa23798adea5cd06240bc4cc79f6c92a489b625e77bb74738e4e
[INFO] running `Command { std: "docker" "start" "-a" "084df09a30b9aa23798adea5cd06240bc4cc79f6c92a489b625e77bb74738e4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_wire-ea1afcae3b5c28d4)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test parser::label::tests::test_get_float ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_comment_line ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_timestamp ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_quoted_string ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_value ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_variable_name ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_label ... ok
[INFO] [stdout] test parser::line_parser::tests::test_read_metric_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus-wire
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/parser/line_parser.rs - parser::line_parser::try_read_comment (line 132) ... ok
[INFO] [stdout] test src/parser/line_parser.rs - parser::line_parser::try_read_sample (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "084df09a30b9aa23798adea5cd06240bc4cc79f6c92a489b625e77bb74738e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084df09a30b9aa23798adea5cd06240bc4cc79f6c92a489b625e77bb74738e4e", kill_on_drop: false }`
[INFO] [stdout] 084df09a30b9aa23798adea5cd06240bc4cc79f6c92a489b625e77bb74738e4e