[INFO] fetching crate opentelemetry-prometheus 0.29.1...
[INFO] testing opentelemetry-prometheus-0.29.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate opentelemetry-prometheus 0.29.1 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentelemetry-prometheus 0.29.1 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 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 912ea458dbaeda395b044fc418fd5087ecca058a609811fee5885f6da98f72ec
[INFO] running `Command { std: "docker" "start" "-a" "912ea458dbaeda395b044fc418fd5087ecca058a609811fee5885f6da98f72ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "912ea458dbaeda395b044fc418fd5087ecca058a609811fee5885f6da98f72ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912ea458dbaeda395b044fc418fd5087ecca058a609811fee5885f6da98f72ec", kill_on_drop: false }`
[INFO] [stdout] 912ea458dbaeda395b044fc418fd5087ecca058a609811fee5885f6da98f72ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 77263209ae809280543b23d18d59d14e0347ba1fa2ccc58e9aab602d67db9535
[INFO] running `Command { std: "docker" "start" "-a" "77263209ae809280543b23d18d59d14e0347ba1fa2ccc58e9aab602d67db9535", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling prometheus v0.14.0
[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 tracing v0.1.41
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[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 thiserror v2.0.11
[INFO] [stderr]    Compiling opentelemetry v0.29.0
[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 16.58s
[INFO] running `Command { std: "docker" "inspect" "77263209ae809280543b23d18d59d14e0347ba1fa2ccc58e9aab602d67db9535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77263209ae809280543b23d18d59d14e0347ba1fa2ccc58e9aab602d67db9535", kill_on_drop: false }`
[INFO] [stdout] 77263209ae809280543b23d18d59d14e0347ba1fa2ccc58e9aab602d67db9535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 419da73c7ebfe453486128d0c519016cf048043458d96c614376a212939dc5a4
[INFO] running `Command { std: "docker" "start" "-a" "419da73c7ebfe453486128d0c519016cf048043458d96c614376a212939dc5a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.29.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling opentelemetry v0.29.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling opentelemetry_sdk v0.29.0
[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 19.18s
[INFO] running `Command { std: "docker" "inspect" "419da73c7ebfe453486128d0c519016cf048043458d96c614376a212939dc5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419da73c7ebfe453486128d0c519016cf048043458d96c614376a212939dc5a4", kill_on_drop: false }`
[INFO] [stdout] 419da73c7ebfe453486128d0c519016cf048043458d96c614376a212939dc5a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3b5023bf598ce2fe40374cd73ab699cb2b29ec85e2d7f90359a093dd1684f819
[INFO] running `Command { std: "docker" "start" "-a" "3b5023bf598ce2fe40374cd73ab699cb2b29ec85e2d7f90359a093dd1684f819", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opentelemetry_prometheus-76f00949eb8da240)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-034687ea18dc9638)
[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] [stderr]    Doc-tests opentelemetry_prometheus
[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 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b5023bf598ce2fe40374cd73ab699cb2b29ec85e2d7f90359a093dd1684f819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5023bf598ce2fe40374cd73ab699cb2b29ec85e2d7f90359a093dd1684f819", kill_on_drop: false }`
[INFO] [stdout] 3b5023bf598ce2fe40374cd73ab699cb2b29ec85e2d7f90359a093dd1684f819