[INFO] fetching crate robotrt-obs-core 0.1.0-beta.2...
[INFO] testing robotrt-obs-core-0.1.0-beta.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate robotrt-obs-core 0.1.0-beta.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate robotrt-obs-core 0.1.0-beta.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate robotrt-obs-core 0.1.0-beta.2
[INFO] tweaked toml for crates.io crate robotrt-obs-core 0.1.0-beta.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate robotrt-obs-core 0.1.0-beta.2 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 robotrt-obs-core 0.1.0-beta.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2c3f7d4b168aa2fde47e80713020519d8a242d9722efaaad1e4afd87a8bbd997
[INFO] running `Command { std: "docker" "start" "-a" "2c3f7d4b168aa2fde47e80713020519d8a242d9722efaaad1e4afd87a8bbd997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c3f7d4b168aa2fde47e80713020519d8a242d9722efaaad1e4afd87a8bbd997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3f7d4b168aa2fde47e80713020519d8a242d9722efaaad1e4afd87a8bbd997", kill_on_drop: false }`
[INFO] [stdout] 2c3f7d4b168aa2fde47e80713020519d8a242d9722efaaad1e4afd87a8bbd997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0738bc1593b2be8c8767f5094bf50dca1dc62488849da27ee329b774d13a244e
[INFO] running `Command { std: "docker" "start" "-a" "0738bc1593b2be8c8767f5094bf50dca1dc62488849da27ee329b774d13a244e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling robotrt-core-types v0.1.0-beta.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling robotrt-obs-core v0.1.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "0738bc1593b2be8c8767f5094bf50dca1dc62488849da27ee329b774d13a244e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0738bc1593b2be8c8767f5094bf50dca1dc62488849da27ee329b774d13a244e", kill_on_drop: false }`
[INFO] [stdout] 0738bc1593b2be8c8767f5094bf50dca1dc62488849da27ee329b774d13a244e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2ffbcb9da3b6fcb853ee0b7090d155650dcf91965b90214d49163dde4ebd5ee3
[INFO] running `Command { std: "docker" "start" "-a" "2ffbcb9da3b6fcb853ee0b7090d155650dcf91965b90214d49163dde4ebd5ee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling robotrt-obs-core v0.1.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "2ffbcb9da3b6fcb853ee0b7090d155650dcf91965b90214d49163dde4ebd5ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffbcb9da3b6fcb853ee0b7090d155650dcf91965b90214d49163dde4ebd5ee3", kill_on_drop: false }`
[INFO] [stdout] 2ffbcb9da3b6fcb853ee0b7090d155650dcf91965b90214d49163dde4ebd5ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ce63b8471e5e0960d5c7aeeb1e10323cdaec16e229e380e350033e3d2ad0ad71
[INFO] running `Command { std: "docker" "start" "-a" "ce63b8471e5e0960d5c7aeeb1e10323cdaec16e229e380e350033e3d2ad0ad71", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/obs_core-2c17a4dfeacd0bc5)
[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] [stderr]      Running tests/alert_conformance.rs (/opt/rustwide/target/debug/deps/alert_conformance-3852983d0a85f15b)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test bus_starts_empty ... ok
[INFO] [stdout] test fire_delivers_to_subscriber ... ok
[INFO] [stdout] test history_filter_by_severity ... ok
[INFO] [stdout] test history_is_bounded_by_limit ... ok
[INFO] [stdout] test severity_as_str ... ok
[INFO] [stdout] test subscriber_min_severity_filters_lower ... ok
[INFO] [stdout] test subscriber_source_filter_limits_to_one_component ... ok
[INFO] [stdout] test watcher_fires_per_degraded_component ... ok
[INFO] [stdout] test watcher_fires_no_alerts_when_all_healthy ... ok
[INFO] [stdout] test watcher_fires_warn_for_degraded ... ok
[INFO] [stdout] test severity_ordering_is_correct ... ok
[INFO] [stdout] test history_filter_by_source ... ok
[INFO] [stderr]      Running tests/obs_conformance.rs (/opt/rustwide/target/debug/deps/obs_conformance-dbd1736dbd814c7e)
[INFO] [stdout] test watcher_fires_error_for_unhealthy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test empty_aggregator_is_identified_correctly ... ok
[INFO] [stdout] test health_report_all_healthy ... ok
[INFO] [stdout] test health_report_one_unhealthy_makes_overall_unhealthy ... ok
[INFO] [stdout] test health_report_json_contract_unhealthy_pretty ... ok
[INFO] [stdout] test health_report_json_contract_degraded ... ok
[INFO] [stdout] test otel_export_json_contract_contains_resource_metrics_and_health ... ok
[INFO] [stdout] test health_report_json_contract_healthy ... ok
[INFO] [stdout] test flat_metrics_prefixes_names_correctly ... ok
[INFO] [stdout] test prometheus_export_contains_metrics_and_health ... ok
[INFO] [stdout] test register_two_providers_and_collect_all ... ok
[INFO] [stdout] test threshold_gauge_degraded_between_warn_and_crit ... ok
[INFO] [stdout] test threshold_gauge_healthy_below_warn ... ok
[INFO] [stdout] test threshold_gauge_collects_last_and_avg ... ok
[INFO] [stdout] test threshold_gauge_registered_in_aggregator_contributes_to_report ... ok
[INFO] [stdout] test threshold_gauge_unhealthy_above_crit ... ok
[INFO] [stdout] test time_series_avg_computed_correctly ... ok
[INFO] [stdout] test time_series_evicts_oldest_at_capacity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests obs_core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/aggregator.rs - aggregator::MetricsAggregator (line 112) ... ok
[INFO] [stdout] test src/bus.rs - bus::AlertBus (line 38) ... 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] [stdout] all doctests ran in 0.57s; merged doctests compilation took 0.56s
[INFO] running `Command { std: "docker" "inspect" "ce63b8471e5e0960d5c7aeeb1e10323cdaec16e229e380e350033e3d2ad0ad71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce63b8471e5e0960d5c7aeeb1e10323cdaec16e229e380e350033e3d2ad0ad71", kill_on_drop: false }`
[INFO] [stdout] ce63b8471e5e0960d5c7aeeb1e10323cdaec16e229e380e350033e3d2ad0ad71
