[INFO] fetching crate metrics-prometheus 0.11.0... [INFO] testing metrics-prometheus-0.11.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate metrics-prometheus 0.11.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate metrics-prometheus 0.11.0 [INFO] finished tweaking crates.io crate metrics-prometheus 0.11.0 [INFO] tweaked toml for crates.io crate metrics-prometheus 0.11.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate metrics-prometheus 0.11.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate metrics-prometheus 0.11.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa571c9e7fe8e9f0e0b184060f9897bd3440ead653d7f60af86404c1caaf0ff8 [INFO] running `Command { std: "docker" "start" "-a" "fa571c9e7fe8e9f0e0b184060f9897bd3440ead653d7f60af86404c1caaf0ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa571c9e7fe8e9f0e0b184060f9897bd3440ead653d7f60af86404c1caaf0ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa571c9e7fe8e9f0e0b184060f9897bd3440ead653d7f60af86404c1caaf0ff8", kill_on_drop: false }` [INFO] [stdout] fa571c9e7fe8e9f0e0b184060f9897bd3440ead653d7f60af86404c1caaf0ff8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d21d0195442b2e3b5f583d9951319045224bc50620c43b61eb454b2d29de46db [INFO] running `Command { std: "docker" "start" "-a" "d21d0195442b2e3b5f583d9951319045224bc50620c43b61eb454b2d29de46db", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling foldhash v0.1.5 [INFO] [stderr] Compiling prometheus v0.14.0 [INFO] [stderr] Compiling hashbrown v0.15.4 [INFO] [stderr] Compiling sketches-ddsketch v0.3.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling rand_xoshiro v0.7.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling metrics v0.24.2 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.9.1 [INFO] [stderr] Compiling metrics-util v0.20.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling sealed v0.6.0 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling metrics-prometheus v0.11.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.85s [INFO] running `Command { std: "docker" "inspect" "d21d0195442b2e3b5f583d9951319045224bc50620c43b61eb454b2d29de46db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d21d0195442b2e3b5f583d9951319045224bc50620c43b61eb454b2d29de46db", kill_on_drop: false }` [INFO] [stdout] d21d0195442b2e3b5f583d9951319045224bc50620c43b61eb454b2d29de46db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39835aaff6da85822db165d99e894620dab6d5fe87cf3fa730f078fdd2380416 [INFO] running `Command { std: "docker" "start" "-a" "39835aaff6da85822db165d99e894620dab6d5fe87cf3fa730f078fdd2380416", kill_on_drop: false }` [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling metrics-util v0.20.0 [INFO] [stderr] Compiling metrics-prometheus v0.11.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.98s [INFO] running `Command { std: "docker" "inspect" "39835aaff6da85822db165d99e894620dab6d5fe87cf3fa730f078fdd2380416", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39835aaff6da85822db165d99e894620dab6d5fe87cf3fa730f078fdd2380416", kill_on_drop: false }` [INFO] [stdout] 39835aaff6da85822db165d99e894620dab6d5fe87cf3fa730f078fdd2380416 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1029e3a0f0637b0acc58ef83356f9284f024f45248adb607d9ab5c790370b984 [INFO] running `Command { std: "docker" "start" "-a" "1029e3a0f0637b0acc58ef83356f9284f024f45248adb607d9ab5c790370b984", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_prometheus-a8f5750412840e25) [INFO] [stdout] [INFO] [stderr] Doc-tests metrics_prometheus [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] [stdout] [INFO] [stdout] running 32 tests [INFO] [stdout] test src/lib.rs - (line 233) ... ok [INFO] [stdout] test src/lib.rs - (line 87) ... ok [INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder (line 18) ... ok [INFO] [stdout] test src/lib.rs - (line 195) - should panic ... ok [INFO] [stdout] test src/lib.rs - (line 181) - should panic ... ok [INFO] [stdout] test src/lib.rs - (line 188) - should panic ... ok [INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder::try_register_metric (line 236) ... ok [INFO] [stdout] test src/lib.rs - (line 204) - should panic ... ok [INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder::freeze (line 427) ... ok [INFO] [stdout] test src/recorder/frozen.rs - recorder::frozen::Recorder (line 26) ... ok [INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder::register_metric (line 330) ... ok [INFO] [stdout] test src/lib.rs - (line 213) - should panic ... ok [INFO] [stdout] test src/lib.rs - (line 173) - should panic ... ok [INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder::registry (line 197) - should panic ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::build_freezable_and_install (line 1161) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::try_build_freezable_and_install (line 936) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::with_failure_strategy (line 589) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::try_build_frozen_and_install (line 1015) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::try_with_metric (line 628) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::with_registry (line 537) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::with_metric (line 693) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder>::with_layer (line 1291) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder::register_metric (line 318) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::build_frozen_and_install (line 1229) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::try_build_and_install (line 854) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Builder::build_and_install (line 1086) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder (line 26) ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder::try_register_metric (line 236) ... ok [INFO] [stdout] test src/recorder/freezable.rs - recorder::freezable::Recorder (line 129) - should panic ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder (line 134) - should panic ... ok [INFO] [stdout] test src/recorder/mod.rs - recorder::Recorder::registry (line 201) - should panic ... ok [INFO] [stdout] test src/recorder/frozen.rs - recorder::frozen::Recorder (line 129) - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] [stdout] all doctests ran in 1.68s; merged doctests compilation took 1.53s [INFO] running `Command { std: "docker" "inspect" "1029e3a0f0637b0acc58ef83356f9284f024f45248adb607d9ab5c790370b984", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1029e3a0f0637b0acc58ef83356f9284f024f45248adb607d9ab5c790370b984", kill_on_drop: false }` [INFO] [stdout] 1029e3a0f0637b0acc58ef83356f9284f024f45248adb607d9ab5c790370b984