[INFO] fetching crate metrics-exporter-otel 0.3.0...
[INFO] testing metrics-exporter-otel-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate metrics-exporter-otel 0.3.0 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-exporter-otel 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0bdc7ae33c7469831614daf5b3dc867b4e5b1e152f5612558241ca74004acf2
[INFO] running `Command { std: "docker" "start" "-a" "d0bdc7ae33c7469831614daf5b3dc867b4e5b1e152f5612558241ca74004acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0bdc7ae33c7469831614daf5b3dc867b4e5b1e152f5612558241ca74004acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bdc7ae33c7469831614daf5b3dc867b4e5b1e152f5612558241ca74004acf2", kill_on_drop: false }`
[INFO] [stdout] d0bdc7ae33c7469831614daf5b3dc867b4e5b1e152f5612558241ca74004acf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 785cd378a688167190808c24255fa4310532808fcf9afed9853e826cf358fcb9
[INFO] running `Command { std: "docker" "start" "-a" "785cd378a688167190808c24255fa4310532808fcf9afed9853e826cf358fcb9", 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 sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling sdd v3.0.10
[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 6.53s
[INFO] running `Command { std: "docker" "inspect" "785cd378a688167190808c24255fa4310532808fcf9afed9853e826cf358fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785cd378a688167190808c24255fa4310532808fcf9afed9853e826cf358fcb9", kill_on_drop: false }`
[INFO] [stdout] 785cd378a688167190808c24255fa4310532808fcf9afed9853e826cf358fcb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06cde8ab2c74ebf913a86fe78f09fe02b7793be1c74bfcf8675bde7a951eebb6
[INFO] running `Command { std: "docker" "start" "-a" "06cde8ab2c74ebf913a86fe78f09fe02b7793be1c74bfcf8675bde7a951eebb6", 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 futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.46.1
[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 18.12s
[INFO] running `Command { std: "docker" "inspect" "06cde8ab2c74ebf913a86fe78f09fe02b7793be1c74bfcf8675bde7a951eebb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cde8ab2c74ebf913a86fe78f09fe02b7793be1c74bfcf8675bde7a951eebb6", kill_on_drop: false }`
[INFO] [stdout] 06cde8ab2c74ebf913a86fe78f09fe02b7793be1c74bfcf8675bde7a951eebb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2f6fe558bd19f16e4240b8966d24369ac36bcf6d860c9ca880eec68af5d0e9f
[INFO] running `Command { std: "docker" "start" "-a" "a2f6fe558bd19f16e4240b8966d24369ac36bcf6d860c9ca880eec68af5d0e9f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[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_counter_increments_correctly ... ok
[INFO] [stdout] test test_metrics_with_multiple_labels ... ok
[INFO] [stdout] test test_histogram_records_values ... ok
[INFO] [stdout] test test_gauge_sets_value_correctly ... ok
[INFO] [stdout] test test_counter_accumulates_increments ... ok
[INFO] [stdout] test test_histogram_with_custom_bounds ... ok
[INFO] [stdout] test test_gauge_updates_value ... ok
[INFO] [stdout] test test_metrics_without_descriptions ... ok
[INFO] [stderr]    Doc-tests metrics_exporter_otel
[INFO] [stdout] test test_metric_descriptions_are_stored ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[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 84) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... 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 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2f6fe558bd19f16e4240b8966d24369ac36bcf6d860c9ca880eec68af5d0e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f6fe558bd19f16e4240b8966d24369ac36bcf6d860c9ca880eec68af5d0e9f", kill_on_drop: false }`
[INFO] [stdout] a2f6fe558bd19f16e4240b8966d24369ac36bcf6d860c9ca880eec68af5d0e9f