[INFO] fetching crate metrics-prometheus 0.5.0...
[INFO] testing metrics-prometheus-0.5.0 against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825
[INFO] extracting crate metrics-prometheus 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate metrics-prometheus 0.5.0 on toolchain ff2c56344c764af598ad33027e9c7a48881808ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-prometheus 0.5.0
[INFO] finished tweaking crates.io crate metrics-prometheus 0.5.0
[INFO] tweaked toml for crates.io crate metrics-prometheus 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.16
[INFO] [stderr]   Downloaded metrics-util v0.15.1
[INFO] [stderr]   Downloaded sealed v0.5.0
[INFO] [stderr]   Downloaded metrics-macros v0.7.0
[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded prometheus v0.13.3
[INFO] [stderr]   Downloaded metrics v0.21.1
[INFO] [stderr]   Downloaded hashbrown v0.13.1
[INFO] [stderr]   Downloaded portable-atomic v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc24aa633fa2cdcabbc5e9eb799ec6d65507aa16a9d1d9cc280d774c3566934a
[INFO] running `Command { std: "docker" "start" "-a" "bc24aa633fa2cdcabbc5e9eb799ec6d65507aa16a9d1d9cc280d774c3566934a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc24aa633fa2cdcabbc5e9eb799ec6d65507aa16a9d1d9cc280d774c3566934a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc24aa633fa2cdcabbc5e9eb799ec6d65507aa16a9d1d9cc280d774c3566934a", kill_on_drop: false }`
[INFO] [stdout] bc24aa633fa2cdcabbc5e9eb799ec6d65507aa16a9d1d9cc280d774c3566934a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871dd272b56e4cbf634cdb2c98e3e742b63556c62aa0f0dbfdf8730f22cf9825
[INFO] running `Command { std: "docker" "start" "-a" "871dd272b56e4cbf634cdb2c98e3e742b63556c62aa0f0dbfdf8730f22cf9825", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling prometheus v0.13.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling hashbrown v0.13.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.16
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling metrics-macros v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]    Compiling metrics v0.21.1
[INFO] [stderr]    Compiling metrics-util v0.15.1
[INFO] [stderr]    Compiling metrics-prometheus v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "871dd272b56e4cbf634cdb2c98e3e742b63556c62aa0f0dbfdf8730f22cf9825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871dd272b56e4cbf634cdb2c98e3e742b63556c62aa0f0dbfdf8730f22cf9825", kill_on_drop: false }`
[INFO] [stdout] 871dd272b56e4cbf634cdb2c98e3e742b63556c62aa0f0dbfdf8730f22cf9825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8f99bcf59a2a8dbd1bfb5fc1454c67fe03b54075067c4b8bbd6a53ab053d149
[INFO] running `Command { std: "docker" "start" "-a" "a8f99bcf59a2a8dbd1bfb5fc1454c67fe03b54075067c4b8bbd6a53ab053d149", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling metrics-util v0.15.1
[INFO] [stderr]    Compiling metrics-prometheus v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "a8f99bcf59a2a8dbd1bfb5fc1454c67fe03b54075067c4b8bbd6a53ab053d149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f99bcf59a2a8dbd1bfb5fc1454c67fe03b54075067c4b8bbd6a53ab053d149", kill_on_drop: false }`
[INFO] [stdout] a8f99bcf59a2a8dbd1bfb5fc1454c67fe03b54075067c4b8bbd6a53ab053d149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91cf8c256b0015b43ef451529e2a15ae1a32abf6299b25b69216b48533cd00a8
[INFO] running `Command { std: "docker" "start" "-a" "91cf8c256b0015b43ef451529e2a15ae1a32abf6299b25b69216b48533cd00a8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_prometheus-f1f72b2e8537b01f)
[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] [stderr]    Doc-tests metrics-prometheus
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/lib.rs - (line 181) ... ok
[INFO] [stdout] test src/lib.rs - (line 213) ... ok
[INFO] [stdout] test src/lib.rs - (line 173) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::build_and_install (line 1066) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::register_metric (line 327) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::build_frozen_and_install (line 1210) ... ok
[INFO] [stdout] test src/lib.rs - (line 233) ... ok
[INFO] [stdout] test src/recorder/frozen.rs - recorder::frozen::Recorder (line 27) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_build_and_install (line 834) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::build_freezable_and_install (line 1141) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::freeze (line 424) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 195) ... ok
[INFO] [stdout] test src/lib.rs - (line 204) ... ok
[INFO] [stdout] test src/lib.rs - (line 188) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder (line 126) ... ok
[INFO] [stdout] test src/recorder/frozen.rs - recorder::frozen::Recorder (line 124) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::try_register_metric (line 233) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::registry (line 194) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_build_freezable_and_install (line 916) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_build_frozen_and_install (line 996) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_with_metric (line 608) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::with_failure_strategy (line 568) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder (line 129) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::with_metric (line 673) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder<S>::register_metric (line 313) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder<S>::registry (line 196) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder (line 27) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder<S>::try_register_metric (line 231) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::with_registry (line 520) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,layer::Stack<H,T>>::with_layer (line 1271) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91cf8c256b0015b43ef451529e2a15ae1a32abf6299b25b69216b48533cd00a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cf8c256b0015b43ef451529e2a15ae1a32abf6299b25b69216b48533cd00a8", kill_on_drop: false }`
[INFO] [stdout] 91cf8c256b0015b43ef451529e2a15ae1a32abf6299b25b69216b48533cd00a8