[INFO] fetching crate opentelemetry-prometheus 0.29.1...
[INFO] testing opentelemetry-prometheus-0.29.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate opentelemetry-prometheus 0.29.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate opentelemetry-prometheus 0.29.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate opentelemetry-prometheus 0.29.1
[INFO] tweaked toml for crates.io crate opentelemetry-prometheus 0.29.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentelemetry-prometheus 0.29.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate opentelemetry-prometheus 0.29.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.5.8
[INFO] [stderr]   Downloaded protobuf-support v3.7.2
[INFO] [stderr]   Downloaded prometheus v0.14.0
[INFO] [stderr]   Downloaded miniz_oxide v0.8.3
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.29.0
[INFO] [stderr]   Downloaded opentelemetry v0.29.0
[INFO] [stderr]   Downloaded h2 v0.4.7
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.29.0
[INFO] [stderr]   Downloaded protobuf v3.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 207ed511af3060b8263c78127a304f2f0a793c73ec667bcd51759429aa17b2dd
[INFO] running `Command { std: "docker" "start" "-a" "207ed511af3060b8263c78127a304f2f0a793c73ec667bcd51759429aa17b2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "207ed511af3060b8263c78127a304f2f0a793c73ec667bcd51759429aa17b2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207ed511af3060b8263c78127a304f2f0a793c73ec667bcd51759429aa17b2dd", kill_on_drop: false }`
[INFO] [stdout] 207ed511af3060b8263c78127a304f2f0a793c73ec667bcd51759429aa17b2dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f43dec542e2237511dfede7f6807ad11c6bb2ce3209a8dfbecaf33a3c0fa5e
[INFO] running `Command { std: "docker" "start" "-a" "f5f43dec542e2237511dfede7f6807ad11c6bb2ce3209a8dfbecaf33a3c0fa5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling opentelemetry v0.29.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling opentelemetry_sdk v0.29.0
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.29.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.45s
[INFO] running `Command { std: "docker" "inspect" "f5f43dec542e2237511dfede7f6807ad11c6bb2ce3209a8dfbecaf33a3c0fa5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f43dec542e2237511dfede7f6807ad11c6bb2ce3209a8dfbecaf33a3c0fa5e", kill_on_drop: false }`
[INFO] [stdout] f5f43dec542e2237511dfede7f6807ad11c6bb2ce3209a8dfbecaf33a3c0fa5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ba6e53ceba8ddc6c034fd2d33c821617b65f6439065a501001dad5d79e590c
[INFO] running `Command { std: "docker" "start" "-a" "15ba6e53ceba8ddc6c034fd2d33c821617b65f6439065a501001dad5d79e590c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.29.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling opentelemetry v0.29.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling opentelemetry_sdk v0.29.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.29.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling h2 v0.4.7
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "15ba6e53ceba8ddc6c034fd2d33c821617b65f6439065a501001dad5d79e590c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ba6e53ceba8ddc6c034fd2d33c821617b65f6439065a501001dad5d79e590c", kill_on_drop: false }`
[INFO] [stdout] 15ba6e53ceba8ddc6c034fd2d33c821617b65f6439065a501001dad5d79e590c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c81e1ab2dc7368534b91c2ee75e8d9f9d352d7d39077460cfd6e87fe39d34a4e
[INFO] running `Command { std: "docker" "start" "-a" "c81e1ab2dc7368534b91c2ee75e8d9f9d352d7d39077460cfd6e87fe39d34a4e", 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/opentelemetry_prometheus-e3eed34bb59d90eb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test utils::tests::name_sanitization ... ok
[INFO] [stdout] test utils::tests::test_get_unit_suffixes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-ce139d8483186e72)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test prometheus_exporter_integration ... ignored, https://github.com/open-telemetry/opentelemetry-rust/pull/2224
[INFO] [stdout] test multiple_scopes ... ok
[INFO] [stdout] test duplicate_metrics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opentelemetry_prometheus
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c81e1ab2dc7368534b91c2ee75e8d9f9d352d7d39077460cfd6e87fe39d34a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81e1ab2dc7368534b91c2ee75e8d9f9d352d7d39077460cfd6e87fe39d34a4e", kill_on_drop: false }`
[INFO] [stdout] c81e1ab2dc7368534b91c2ee75e8d9f9d352d7d39077460cfd6e87fe39d34a4e