[INFO] fetching crate rskit-observability 0.2.0-alpha.3...
[INFO] testing rskit-observability-0.2.0-alpha.3 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate rskit-observability 0.2.0-alpha.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rskit-observability 0.2.0-alpha.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rskit-observability 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate rskit-observability 0.2.0-alpha.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rskit-observability 0.2.0-alpha.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rskit-observability 0.2.0-alpha.3 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | homepage = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 | repository = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |              ---------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `rskit-observability` (manifest) generated 1 warning
[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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade
[INFO] running `Command { std: "docker" "start" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | homepage = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 | repository = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |              ---------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `rskit-observability` (manifest) generated 1 warning
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.50
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.4
[INFO] [stderr]    Compiling mio v1.2.1
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling opentelemetry v0.32.0
[INFO] [stderr]    Compiling tracing-opentelemetry v0.33.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling rskit-errors v0.2.0-alpha.5
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling opentelemetry_sdk v0.32.1
[INFO] [stderr]    Compiling rskit-observability v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.89s
[INFO] running `Command { std: "docker" "inspect" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | homepage = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 | repository = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |              ---------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `rskit-observability` (manifest) generated 1 warning
[INFO] [stderr]    Compiling rskit-observability v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | homepage = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 | repository = "https://github.com/kbukum/rskit"
[INFO] [stderr]    |              ---------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `rskit-observability` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/rskit-observability/9a7be5cfb8920071/out/rskit_observability-9a7be5cfb8920071)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test metrics::tests::no_export_metrics_pipeline_creates_all_instrument_kinds ... ok
[INFO] [stdout] test tracer::tests::otlp_protocol_round_trips_through_serde ... ok
[INFO] [stdout] test attribute::tests::helpers_accept_common_attribute_values ... ok
[INFO] [stdout] test tracer::tests::operation_attributes_and_trace_context_helpers_are_tolerant ... ok
[INFO] [stdout] test tracer::tests::tracer_provider_requires_otlp_feature_for_exporter ... ok
[INFO] [stdout] test attribute::tests::unsigned_values_saturate_to_otlp_integer_range ... ok
[INFO] [stdout] test logs::tests::no_export_pipeline_builds_and_shuts_down_cleanly ... ok
[INFO] [stdout] test metrics::tests::otlp_endpoint_requires_feature ... ok
[INFO] [stdout] test logs::tests::otlp_endpoint_requires_feature ... ok
[INFO] [stdout] test tracer::tests::header_carriers_ignore_invalid_injected_values_and_list_valid_keys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/build/rskit-observability/295eef08534926c4/out/integration-295eef08534926c4)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test init_metrics_with_endpoint ... ignored, requires OTLP collector
[INFO] [stdout] test tracer_provider_is_idempotent ... ignored, installs global subscriber; requires OTLP collector
[INFO] [stdout] test tracer_provider_with_valid_endpoint ... ignored, installs global subscriber; requires OTLP collector
[INFO] [stdout] test extract_trace_context_from_empty_headers ... ok
[INFO] [stdout] test logs_config_supports_http_otlp_protocol ... ok
[INFO] [stdout] test metrics_config_construction ... ok
[INFO] [stdout] test tracing_config_construction ... ok
[INFO] [stdout] test extract_trace_context_with_traceparent ... ok
[INFO] [stdout] test tracing_config_full_sample_rate ... ok
[INFO] [stdout] test inject_trace_context_into_empty_headers ... ok
[INFO] [stdout] test metrics_config_without_endpoint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/telemetry_health_behavior.rs (/opt/rustwide/target/debug/build/rskit-observability/47dac86839871503/out/telemetry_health_behavior-47dac86839871503)
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test component_health_construction ... ok
[INFO] [stdout] test component_health_with_message ... ok
[INFO] [stdout] test health_status_clone_copy ... ok
[INFO] [stdout] test extract_with_valid_traceparent ... ok
[INFO] [stdout] test health_status_equality ... ok
[INFO] [stdout] test health_status_inequality ... ok
[INFO] [stdout] test component_health_clone ... ok
[INFO] [stdout] test component_health_debug ... ok
[INFO] [stdout] test inject_into_empty_headers_no_panic ... ok
[INFO] [stdout] test inject_then_extract_roundtrip ... ok
[INFO] [stdout] test health_status_deserialization ... ok
[INFO] [stdout] test metrics_config_with_endpoint ... ok
[INFO] [stdout] test health_status_debug ... ok
[INFO] [stdout] test metrics_config_without_endpoint ... ok
[INFO] [stdout] test metrics_config_debug ... ok
[INFO] [stdout] test metrics_handle_gauge ... ok
[INFO] [stdout] test metrics_handle_counter ... ok
[INFO] [stdout] test health_status_serialization ... ok
[INFO] [stdout] test metrics_handle_histogram ... ok
[INFO] [stdout] test init_metrics_without_endpoint_succeeds ... ok
[INFO] [stdout] test metrics_handle_multiple_instruments ... ok
[INFO] [stdout] test metrics_handle_up_down_counter ... ok
[INFO] [stdout] test extract_from_empty_headers_returns_context ... ok
[INFO] [stdout] test operation_context_end_operation_ok ... ok
[INFO] [stdout] test operation_context_end_operation_with_error ... ok
[INFO] [stdout] test operation_context_end_with_internal_error ... ok
[INFO] [stdout] test operation_context_end_with_various_errors ... ok
[INFO] [stdout] test operation_context_multiple_spans ... ok
[INFO] [stdout] test operation_context_new_empty_strings ... ok
[INFO] [stdout] test operation_context_new_fields ... ok
[INFO] [stdout] test operation_context_start_span_does_not_panic ... ok
[INFO] [stdout] test operation_context_accepts_string_and_str ... ok
[INFO] [stdout] test operation_context_elapsed_is_monotonic ... ok
[INFO] [stdout] test service_health_all_healthy ... ok
[INFO] [stdout] test concurrent_operation_contexts_with_metrics ... ok
[INFO] [stdout] test concurrent_operation_contexts ... ok
[INFO] [stdout] test operation_context_elapsed_remains_monotonic_after_end ... ok
[INFO] [stdout] test service_health_clone_is_shared ... ok
[INFO] [stdout] test service_health_empty_is_healthy ... ok
[INFO] [stdout] test service_health_empty_version ... ok
[INFO] [stdout] test operation_context_without_metrics ... ok
[INFO] [stdout] test service_health_overall_all_healthy ... ok
[INFO] [stdout] test service_health_overall_empty_returns_healthy ... ok
[INFO] [stdout] test service_health_mixed_all_three ... ok
[INFO] [stdout] test operation_context_with_metrics_no_endpoint ... ok
[INFO] [stdout] test service_health_mixed_healthy_degraded ... ok
[INFO] [stdout] test service_health_register_multiple ... ok
[INFO] [stdout] test service_health_one_degraded_not_healthy ... ok
[INFO] [stdout] test service_health_overall_one_degraded ... ok
[INFO] [stdout] test service_health_update_to_degraded ... ok
[INFO] [stdout] test service_health_update_to_unhealthy ... ok
[INFO] [stdout] test service_health_overall_one_unhealthy ... ok
[INFO] [stdout] test service_health_overall_unhealthy_trumps_degraded ... ok
[INFO] [stdout] test service_health_register_initially_healthy ... ok
[INFO] [stdout] test service_health_new ... ok
[INFO] [stdout] test tracing_config_sampler_always_off ... ok
[INFO] [stdout] test service_health_concurrent_updates ... ok
[INFO] [stdout] test tracing_config_clone ... ok
[INFO] [stdout] test tracing_config_sampler_ratio ... ok
[INFO] [stdout] test tracing_config_sampler_always_on ... ok
[INFO] [stdout] test tracing_config_debug ... ok
[INFO] [stdout] test service_health_update_with_none_message ... ok
[INFO] [stdout] test service_health_update_back_to_healthy ... ok
[INFO] [stdout] test service_health_register_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 64 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rskit_observability
[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] running `Command { std: "docker" "inspect" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade", kill_on_drop: false }`
[INFO] [stdout] ca71b1c0cbeac5dbd531a405134c29b22b9aa1e0ce37f7790e7cf9ac73189ade
