[INFO] fetching crate opentelemetry-prometheus-xx 0.30.0...
[INFO] testing opentelemetry-prometheus-xx-0.30.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate opentelemetry-prometheus-xx 0.30.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate opentelemetry-prometheus-xx 0.30.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate opentelemetry-prometheus-xx 0.30.0
[INFO] tweaked toml for crates.io crate opentelemetry-prometheus-xx 0.30.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentelemetry-prometheus-xx 0.30.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate opentelemetry-prometheus-xx 0.30.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df1224836c492344c60412a8179aa0ac22ce6610919d5d7a0d01dd5e3c4efae3
[INFO] running `Command { std: "docker" "start" "-a" "df1224836c492344c60412a8179aa0ac22ce6610919d5d7a0d01dd5e3c4efae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1224836c492344c60412a8179aa0ac22ce6610919d5d7a0d01dd5e3c4efae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1224836c492344c60412a8179aa0ac22ce6610919d5d7a0d01dd5e3c4efae3", kill_on_drop: false }`
[INFO] [stdout] df1224836c492344c60412a8179aa0ac22ce6610919d5d7a0d01dd5e3c4efae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4858437f63404f3f2e859db7aa01dd05bafb3858c59b0cb8c91057a2c1b85af
[INFO] running `Command { std: "docker" "start" "-a" "a4858437f63404f3f2e859db7aa01dd05bafb3858c59b0cb8c91057a2c1b85af", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[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 thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling opentelemetry v0.30.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling opentelemetry_sdk v0.30.0
[INFO] [stderr]    Compiling opentelemetry-prometheus-xx v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "a4858437f63404f3f2e859db7aa01dd05bafb3858c59b0cb8c91057a2c1b85af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4858437f63404f3f2e859db7aa01dd05bafb3858c59b0cb8c91057a2c1b85af", kill_on_drop: false }`
[INFO] [stdout] a4858437f63404f3f2e859db7aa01dd05bafb3858c59b0cb8c91057a2c1b85af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9953ce944b8be99cb3280b1c2c16d478d35869b2864bc9fb3f97335853fdfc09
[INFO] running `Command { std: "docker" "start" "-a" "9953ce944b8be99cb3280b1c2c16d478d35869b2864bc9fb3f97335853fdfc09", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling opentelemetry v0.30.0
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.30.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling opentelemetry_sdk v0.30.0
[INFO] [stderr]    Compiling opentelemetry-prometheus-xx v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.95s
[INFO] running `Command { std: "docker" "inspect" "9953ce944b8be99cb3280b1c2c16d478d35869b2864bc9fb3f97335853fdfc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9953ce944b8be99cb3280b1c2c16d478d35869b2864bc9fb3f97335853fdfc09", kill_on_drop: false }`
[INFO] [stdout] 9953ce944b8be99cb3280b1c2c16d478d35869b2864bc9fb3f97335853fdfc09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49bed792bf1f9cc04d52970906991d9a449ad52e31a0e2dc1c74af2c46a3aaf1
[INFO] running `Command { std: "docker" "start" "-a" "49bed792bf1f9cc04d52970906991d9a449ad52e31a0e2dc1c74af2c46a3aaf1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opentelemetry_prometheus_xx-b7da30e589ae87b7)
[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 0.06s
[INFO] [stdout] 
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-77a12f7679aeea06)
[INFO] [stderr]    Doc-tests opentelemetry_prometheus_xx
[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] [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 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49bed792bf1f9cc04d52970906991d9a449ad52e31a0e2dc1c74af2c46a3aaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bed792bf1f9cc04d52970906991d9a449ad52e31a0e2dc1c74af2c46a3aaf1", kill_on_drop: false }`
[INFO] [stdout] 49bed792bf1f9cc04d52970906991d9a449ad52e31a0e2dc1c74af2c46a3aaf1