[INFO] fetching crate metrics-exporter-otel 0.3.0...
[INFO] testing metrics-exporter-otel-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate metrics-exporter-otel 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate metrics-exporter-otel 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metrics-exporter-otel 0.3.0
[INFO] tweaked toml for crates.io crate metrics-exporter-otel 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-exporter-otel 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metrics-exporter-otel 0.3.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-util v0.20.1
[INFO] [stderr]   Downloaded metrics v0.24.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 497ac8cf731e5d545ef3eec0684c4bd5f1dfd96f947fe407293a09e9a0483911
[INFO] running `Command { std: "docker" "start" "-a" "497ac8cf731e5d545ef3eec0684c4bd5f1dfd96f947fe407293a09e9a0483911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497ac8cf731e5d545ef3eec0684c4bd5f1dfd96f947fe407293a09e9a0483911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497ac8cf731e5d545ef3eec0684c4bd5f1dfd96f947fe407293a09e9a0483911", kill_on_drop: false }`
[INFO] [stdout] 497ac8cf731e5d545ef3eec0684c4bd5f1dfd96f947fe407293a09e9a0483911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71326a2bf377cbbaafbf4add1ff1d9d8c93638b6859ae59b57e9517d0ed6b82d
[INFO] running `Command { std: "docker" "start" "-a" "71326a2bf377cbbaafbf4add1ff1d9d8c93638b6859ae59b57e9517d0ed6b82d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling sdd v3.0.10
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling opentelemetry v0.31.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling scc v2.4.0
[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 metrics v0.24.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling metrics-util v0.20.1
[INFO] [stderr]    Compiling metrics-exporter-otel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "71326a2bf377cbbaafbf4add1ff1d9d8c93638b6859ae59b57e9517d0ed6b82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71326a2bf377cbbaafbf4add1ff1d9d8c93638b6859ae59b57e9517d0ed6b82d", kill_on_drop: false }`
[INFO] [stdout] 71326a2bf377cbbaafbf4add1ff1d9d8c93638b6859ae59b57e9517d0ed6b82d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68361c94a770fbea21070dec70bbc1f4420e00cbffd394b7d0997f1e4d485723
[INFO] running `Command { std: "docker" "start" "-a" "68361c94a770fbea21070dec70bbc1f4420e00cbffd394b7d0997f1e4d485723", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling metrics-util v0.20.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling opentelemetry v0.31.0
[INFO] [stderr]    Compiling metrics-exporter-otel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling opentelemetry_sdk v0.31.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.03s
[INFO] running `Command { std: "docker" "inspect" "68361c94a770fbea21070dec70bbc1f4420e00cbffd394b7d0997f1e4d485723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68361c94a770fbea21070dec70bbc1f4420e00cbffd394b7d0997f1e4d485723", kill_on_drop: false }`
[INFO] [stdout] 68361c94a770fbea21070dec70bbc1f4420e00cbffd394b7d0997f1e4d485723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de45127717ccb255dee50e1363856fcef2ab537116a3558c62d896f340ca3fe0
[INFO] running `Command { std: "docker" "start" "-a" "de45127717ccb255dee50e1363856fcef2ab537116a3558c62d896f340ca3fe0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_exporter_otel-d751da6eac11dad0)
[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]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-f0e9e82f44aa7e75)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_metrics_with_multiple_labels ... ok
[INFO] [stdout] test test_counter_accumulates_increments ... ok
[INFO] [stdout] test test_metric_descriptions_are_stored ... ok
[INFO] [stdout] test test_histogram_with_custom_bounds ... ok
[INFO] [stdout] test test_metrics_without_descriptions ... ok
[INFO] [stdout] test test_gauge_sets_value_correctly ... ok
[INFO] [stdout] test test_gauge_updates_value ... ok
[INFO] [stdout] test test_histogram_records_values ... ok
[INFO] [stdout] test test_counter_increments_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics_exporter_otel
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - OpenTelemetryRecorder (line 23) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de45127717ccb255dee50e1363856fcef2ab537116a3558c62d896f340ca3fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de45127717ccb255dee50e1363856fcef2ab537116a3558c62d896f340ca3fe0", kill_on_drop: false }`
[INFO] [stdout] de45127717ccb255dee50e1363856fcef2ab537116a3558c62d896f340ca3fe0