[INFO] fetching crate lnc-metrics 0.2.8...
[INFO] testing lnc-metrics-0.2.8 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate lnc-metrics 0.2.8 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate lnc-metrics 0.2.8
[INFO] finished tweaking crates.io crate lnc-metrics 0.2.8
[INFO] tweaked toml for crates.io crate lnc-metrics 0.2.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lnc-metrics 0.2.8 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 lnc-metrics 0.2.8 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 sketches-ddsketch v0.3.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.7.0
[INFO] [stderr]   Downloaded metrics-util v0.19.1
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.27.0
[INFO] [stderr]   Downloaded metrics v0.24.3
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.16.2
[INFO] [stderr]   Downloaded opentelemetry-proto v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cce1cf52f182980380bb5da49d4a6c5245fbb176d7d7ef3943e52ca60bef68d9
[INFO] running `Command { std: "docker" "start" "-a" "cce1cf52f182980380bb5da49d4a6c5245fbb176d7d7ef3943e52ca60bef68d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cce1cf52f182980380bb5da49d4a6c5245fbb176d7d7ef3943e52ca60bef68d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce1cf52f182980380bb5da49d4a6c5245fbb176d7d7ef3943e52ca60bef68d9", kill_on_drop: false }`
[INFO] [stdout] cce1cf52f182980380bb5da49d4a6c5245fbb176d7d7ef3943e52ca60bef68d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6a475fbd127f2ea514586d6e1114191e69a971b957f0801d8d83f3471b47799
[INFO] running `Command { std: "docker" "start" "-a" "a6a475fbd127f2ea514586d6e1114191e69a971b957f0801d8d83f3471b47799", kill_on_drop: false }`
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling opentelemetry v0.27.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling metrics v0.24.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling quanta v0.12.6
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling metrics-util v0.19.1
[INFO] [stderr]    Compiling opentelemetry_sdk v0.27.1
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.16.2
[INFO] [stderr]    Compiling tonic v0.12.3
[INFO] [stderr]    Compiling opentelemetry-proto v0.27.0
[INFO] [stderr]    Compiling opentelemetry-otlp v0.27.0
[INFO] [stderr]    Compiling lnc-metrics v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "a6a475fbd127f2ea514586d6e1114191e69a971b957f0801d8d83f3471b47799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a475fbd127f2ea514586d6e1114191e69a971b957f0801d8d83f3471b47799", kill_on_drop: false }`
[INFO] [stdout] a6a475fbd127f2ea514586d6e1114191e69a971b957f0801d8d83f3471b47799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e7c5d73c34a93c63d0a4d5d5b8c0c918f4c1fcf1ce135a09906ae3745589e0d7
[INFO] running `Command { std: "docker" "start" "-a" "e7c5d73c34a93c63d0a4d5d5b8c0c918f4c1fcf1ce135a09906ae3745589e0d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lnc-metrics v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "e7c5d73c34a93c63d0a4d5d5b8c0c918f4c1fcf1ce135a09906ae3745589e0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c5d73c34a93c63d0a4d5d5b8c0c918f4c1fcf1ce135a09906ae3745589e0d7", kill_on_drop: false }`
[INFO] [stdout] e7c5d73c34a93c63d0a4d5d5b8c0c918f4c1fcf1ce135a09906ae3745589e0d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 69b0a3f4e0bf2df72b9d227086d5ba7d20fb20591e7561b94b49aeb9aef1e4d5
[INFO] running `Command { std: "docker" "start" "-a" "69b0a3f4e0bf2df72b9d227086d5ba7d20fb20591e7561b94b49aeb9aef1e4d5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lnc_metrics-21f271af8669c600)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test golden_signals::tests::test_error_tracking ... ok
[INFO] [stdout] test golden_signals::tests::test_latency_histogram ... ok
[INFO] [stdout] test otlp::tests::test_otlp_config_builder ... ok
[INFO] [stdout] test otlp::tests::test_otlp_config_default ... ok
[INFO] [stdout] test golden_signals::tests::test_percentile_calculation ... ok
[INFO] [stdout] test tracing_export::tests::test_local_span ... ok
[INFO] [stdout] test tracing_export::tests::test_span_context_child ... ok
[INFO] [stdout] test tracing_export::tests::test_traceparent_roundtrip ... ok
[INFO] [stdout] test tracing_export::tests::test_tracing_config_default ... ok
[INFO] [stdout] test golden_signals::tests::test_saturation_ratio ... ok
[INFO] [stdout] test tracing_export::tests::test_span_context_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lnc_metrics
[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" "69b0a3f4e0bf2df72b9d227086d5ba7d20fb20591e7561b94b49aeb9aef1e4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b0a3f4e0bf2df72b9d227086d5ba7d20fb20591e7561b94b49aeb9aef1e4d5", kill_on_drop: false }`
[INFO] [stdout] 69b0a3f4e0bf2df72b9d227086d5ba7d20fb20591e7561b94b49aeb9aef1e4d5