[INFO] fetching crate prometheus-exposition-format-rs 0.1.2...
[INFO] testing prometheus-exposition-format-rs-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate prometheus-exposition-format-rs 0.1.2 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate prometheus-exposition-format-rs 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc5b8ac30adef628e0c8a625aef22864e695e950d56d8985467886c0d314aa88
[INFO] running `Command { std: "docker" "start" "-a" "fc5b8ac30adef628e0c8a625aef22864e695e950d56d8985467886c0d314aa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc5b8ac30adef628e0c8a625aef22864e695e950d56d8985467886c0d314aa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5b8ac30adef628e0c8a625aef22864e695e950d56d8985467886c0d314aa88", kill_on_drop: false }`
[INFO] [stdout] fc5b8ac30adef628e0c8a625aef22864e695e950d56d8985467886c0d314aa88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ed79bf451eb59ee61156cd51da93b752991328fa66d94ab37524ff8a0848af9
[INFO] running `Command { std: "docker" "start" "-a" "4ed79bf451eb59ee61156cd51da93b752991328fa66d94ab37524ff8a0848af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[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 28.09s
[INFO] running `Command { std: "docker" "inspect" "4ed79bf451eb59ee61156cd51da93b752991328fa66d94ab37524ff8a0848af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed79bf451eb59ee61156cd51da93b752991328fa66d94ab37524ff8a0848af9", kill_on_drop: false }`
[INFO] [stdout] 4ed79bf451eb59ee61156cd51da93b752991328fa66d94ab37524ff8a0848af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5c782d61423d284a5ef1d8ac803898836316a1b3d9ceb575b4051ac6bf28dd3
[INFO] running `Command { std: "docker" "start" "-a" "c5c782d61423d284a5ef1d8ac803898836316a1b3d9ceb575b4051ac6bf28dd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling prometheus-exposition-format-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "c5c782d61423d284a5ef1d8ac803898836316a1b3d9ceb575b4051ac6bf28dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c782d61423d284a5ef1d8ac803898836316a1b3d9ceb575b4051ac6bf28dd3", kill_on_drop: false }`
[INFO] [stdout] c5c782d61423d284a5ef1d8ac803898836316a1b3d9ceb575b4051ac6bf28dd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93024f472546e7e9a7d6c42c7f81d4fa4ce9ffa7f9e6e0fc371311f4a18e14ce
[INFO] running `Command { std: "docker" "start" "-a" "93024f472546e7e9a7d6c42c7f81d4fa4ce9ffa7f9e6e0fc371311f4a18e14ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_exposition_format_rs-2b8bd79a128edef2)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test comment::test_comment_parser ... ok
[INFO] [stdout] test comment::test_other_comment_parser ... ok
[INFO] [stdout] test common::test_empty_line_parser ... ok
[INFO] [stdout] test comment::test_help_parser ... ok
[INFO] [stdout] test samples::test_labels_parser ... ok
[INFO] [stdout] test samples::test_tag_value_parser ... ok
[INFO] [stdout] test samples::test_timestamp_parser ... ok
[INFO] [stdout] test samples::test_value_parser ... ok
[INFO] [stdout] test common::test_token_parser ... ok
[INFO] [stdout] test comment::test_type_parser ... ok
[INFO] [stdout] test test_parse_complete ... ok
[INFO] [stdout] test test_parse_summary ... 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-454681d938950ed9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_nok_fixture_files ... ok
[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 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus-exposition-format-rs
[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" "93024f472546e7e9a7d6c42c7f81d4fa4ce9ffa7f9e6e0fc371311f4a18e14ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93024f472546e7e9a7d6c42c7f81d4fa4ce9ffa7f9e6e0fc371311f4a18e14ce", kill_on_drop: false }`
[INFO] [stdout] 93024f472546e7e9a7d6c42c7f81d4fa4ce9ffa7f9e6e0fc371311f4a18e14ce