[INFO] fetching crate sc-observability-otlp 1.0.0...
[INFO] testing sc-observability-otlp-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sc-observability-otlp 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sc-observability-otlp 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sc-observability-otlp 1.0.0
[INFO] tweaked toml for crates.io crate sc-observability-otlp 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sc-observability-otlp 1.0.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sc-observability-otlp 1.0.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7f30dede25d2637cfbf1e695bae372368e4c57642640c7aa6435ab5a0a98a9e
[INFO] running `Command { std: "docker" "start" "-a" "a7f30dede25d2637cfbf1e695bae372368e4c57642640c7aa6435ab5a0a98a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7f30dede25d2637cfbf1e695bae372368e4c57642640c7aa6435ab5a0a98a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f30dede25d2637cfbf1e695bae372368e4c57642640c7aa6435ab5a0a98a9e", kill_on_drop: false }`
[INFO] [stdout] a7f30dede25d2637cfbf1e695bae372368e4c57642640c7aa6435ab5a0a98a9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c09e87c5863748c334214e250455244b15b9c9e140fa25f9f973d91f083cef8a
[INFO] running `Command { std: "docker" "start" "-a" "c09e87c5863748c334214e250455244b15b9c9e140fa25f9f973d91f083cef8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling sc-observability-types v1.0.0
[INFO] [stderr]    Compiling sc-observability v1.0.0
[INFO] [stderr]    Compiling sc-observability-otlp v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `Command { std: "docker" "inspect" "c09e87c5863748c334214e250455244b15b9c9e140fa25f9f973d91f083cef8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09e87c5863748c334214e250455244b15b9c9e140fa25f9f973d91f083cef8a", kill_on_drop: false }`
[INFO] [stdout] c09e87c5863748c334214e250455244b15b9c9e140fa25f9f973d91f083cef8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73e083fa84c25e0a96405eb236e8b3b7b95a62c0982223a356fe9c1b92d76c62
[INFO] running `Command { std: "docker" "start" "-a" "73e083fa84c25e0a96405eb236e8b3b7b95a62c0982223a356fe9c1b92d76c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling sc-observe v1.0.0
[INFO] [stderr]    Compiling sc-observability-otlp v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "73e083fa84c25e0a96405eb236e8b3b7b95a62c0982223a356fe9c1b92d76c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e083fa84c25e0a96405eb236e8b3b7b95a62c0982223a356fe9c1b92d76c62", kill_on_drop: false }`
[INFO] [stdout] 73e083fa84c25e0a96405eb236e8b3b7b95a62c0982223a356fe9c1b92d76c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58f881a4afc2012b382dc479fa2421d3d3686f896cdd8904c08001e142cae9b9
[INFO] running `Command { std: "docker" "start" "-a" "58f881a4afc2012b382dc479fa2421d3d3686f896cdd8904c08001e142cae9b9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sc_observability_otlp-6d2f1931855da179)
[INFO] [stdout] running 24 tests
[INFO] [stdout] test config::tests::auth_header_rejects_empty_values ... ok
[INFO] [stdout] test config::tests::telemetry_config_builder_with_resource_preserves_attributes ... ok
[INFO] [stdout] test tests::exporter_failure_accounting_is_tracked ... ok
[INFO] [stdout] test config::tests::auth_header_accepts_non_empty_values ... ok
[INFO] [stdout] test config::tests::validate_config_rejects_enabled_transport_without_signals ... ok
[INFO] [stdout] test tests::post_shutdown_returns_shutdown_error ... ok
[INFO] [stdout] test tests::repeated_shutdown_is_idempotent ... ok
[INFO] [stdout] test tests::orphaned_ended_span_returns_export_failure_and_is_counted ... ok
[INFO] [stdout] test tests::shutdown_propagates_flush_failures_and_records_them_in_health ... ok
[INFO] [stdout] test tests::span_assembler_emits_complete_span_from_lifecycle ... ok
[INFO] [stdout] test tests::span_assembler_reports_missing_event_buffer_explicitly ... ok
[INFO] [stdout] test tests::shutdown_flushes_complete_spans_and_counts_incomplete_ones ... ok
[INFO] [stdout] test tests::telemetry_config_builder_defaults ... ok
[INFO] [stdout] test config::tests::otlp_endpoint_rejects_empty_or_scheme_less_values ... ok
[INFO] [stdout] test config::tests::telemetry_config_builder_build_validates_transport ... ok
[INFO] [stdout] test config::tests::validate_config_rejects_backoff_inversion ... ok
[INFO] [stdout] test config::tests::validate_config_rejects_zero_timeout ... ok
[INFO] [stdout] test tests::all_signals_disabled_rejects_at_construction ... ok
[INFO] [stdout] test tests::emit_methods_return_shutdown_after_shutdown ... ok
[INFO] [stdout] test tests::exporter_health_recovers_after_a_successful_flush ... ok
[INFO] [stdout] test tests::incomplete_span_drop_accounting_is_tracked ... ok
[INFO] [stdout] test tests::invalid_config_is_rejected_eagerly ... ok
[INFO] [stdout] test config::tests::validate_config_rejects_zero_batch_or_interval ... ok
[INFO] [stdout] test config::tests::otlp_endpoint_accepts_valid_http_and_https_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/full_stack_integration.rs (/opt/rustwide/target/debug/deps/full_stack_integration-4e31fdd62d998c56)
[INFO] [stdout] running 1 test
[INFO] [stdout] test builder_registration_attaches_logs_spans_and_metrics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sc_observability_otlp
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/config.rs - config::TelemetryConfigBuilder::build (line 343) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.52s; merged doctests compilation took 0.51s
[INFO] running `Command { std: "docker" "inspect" "58f881a4afc2012b382dc479fa2421d3d3686f896cdd8904c08001e142cae9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f881a4afc2012b382dc479fa2421d3d3686f896cdd8904c08001e142cae9b9", kill_on_drop: false }`
[INFO] [stdout] 58f881a4afc2012b382dc479fa2421d3d3686f896cdd8904c08001e142cae9b9
