[INFO] fetching crate metrics-prometheus 0.8.0...
[INFO] testing metrics-prometheus-0.8.0 against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] extracting crate metrics-prometheus 0.8.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate metrics-prometheus 0.8.0 on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-prometheus 0.8.0
[INFO] finished tweaking crates.io crate metrics-prometheus 0.8.0
[INFO] tweaked toml for crates.io crate metrics-prometheus 0.8.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-util v0.18.0
[INFO] [stderr]   Downloaded metrics v0.24.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 577afc8f88442bd59553b179978f4619284dc7f2b9d06dff384477c754b91629
[INFO] running `Command { std: "docker" "start" "-a" "577afc8f88442bd59553b179978f4619284dc7f2b9d06dff384477c754b91629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "577afc8f88442bd59553b179978f4619284dc7f2b9d06dff384477c754b91629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577afc8f88442bd59553b179978f4619284dc7f2b9d06dff384477c754b91629", kill_on_drop: false }`
[INFO] [stdout] 577afc8f88442bd59553b179978f4619284dc7f2b9d06dff384477c754b91629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc663495f05b66673411d8f8054a0171ff4d5468c2c3005cc7e8d85b6f954f77
[INFO] running `Command { std: "docker" "start" "-a" "cc663495f05b66673411d8f8054a0171ff4d5468c2c3005cc7e8d85b6f954f77", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling metrics v0.24.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling metrics-util v0.18.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling sealed v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling metrics-prometheus v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "cc663495f05b66673411d8f8054a0171ff4d5468c2c3005cc7e8d85b6f954f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc663495f05b66673411d8f8054a0171ff4d5468c2c3005cc7e8d85b6f954f77", kill_on_drop: false }`
[INFO] [stdout] cc663495f05b66673411d8f8054a0171ff4d5468c2c3005cc7e8d85b6f954f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6647c99bb0ddff524881521fd7b9bd099cf09b86aac669a96ddd99f69f23f6b7
[INFO] running `Command { std: "docker" "start" "-a" "6647c99bb0ddff524881521fd7b9bd099cf09b86aac669a96ddd99f69f23f6b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling metrics-util v0.18.0
[INFO] [stderr]    Compiling metrics-prometheus v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "6647c99bb0ddff524881521fd7b9bd099cf09b86aac669a96ddd99f69f23f6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6647c99bb0ddff524881521fd7b9bd099cf09b86aac669a96ddd99f69f23f6b7", kill_on_drop: false }`
[INFO] [stdout] 6647c99bb0ddff524881521fd7b9bd099cf09b86aac669a96ddd99f69f23f6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e80ea23517b3184e972d599f3ce13b2b668978b9051c8a9fbab6a7079bec58dc
[INFO] running `Command { std: "docker" "start" "-a" "e80ea23517b3184e972d599f3ce13b2b668978b9051c8a9fbab6a7079bec58dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_prometheus-a5c8a0b30725a0d9)
[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 195) ... ok
[INFO] [stdout] test src/lib.rs - (line 181) ... ok
[INFO] [stdout] test src/lib.rs - (line 188) ... ok
[INFO] [stdout] test src/lib.rs - (line 233) ... ok
[INFO] [stdout] test src/lib.rs - (line 204) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 173) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::freeze (line 428) ... ok
[INFO] [stdout] test src/recorder/frozen.rs - recorder::frozen::Recorder (line 130) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::register_metric (line 331) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder (line 130) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::try_register_metric (line 237) ... ok
[INFO] [stdout] test src/lib.rs - (line 213) ... ok
[INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder<S>::registry (line 198) ... ok
[INFO] [stdout] test src/recorder/frozen.rs - recorder::frozen::Recorder (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::with_metric (line 695) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder (line 27) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::build_frozen_and_install (line 1231) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::with_failure_strategy (line 591) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder<S>::register_metric (line 319) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::with_registry (line 538) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder (line 135) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder<S>::registry (line 202) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::build_and_install (line 1088) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_build_freezable_and_install (line 938) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_with_metric (line 630) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder<S>::try_register_metric (line 237) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::build_freezable_and_install (line 1163) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_build_and_install (line 856) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,L>::try_build_frozen_and_install (line 1017) ... ok
[INFO] [stdout] test src/recorder/mod.rs - recorder::Builder<S,layer::Stack<H,T>>::with_layer (line 1293) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e80ea23517b3184e972d599f3ce13b2b668978b9051c8a9fbab6a7079bec58dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80ea23517b3184e972d599f3ce13b2b668978b9051c8a9fbab6a7079bec58dc", kill_on_drop: false }`
[INFO] [stdout] e80ea23517b3184e972d599f3ce13b2b668978b9051c8a9fbab6a7079bec58dc