[INFO] fetching crate prometheus-scraper 0.2.0...
[INFO] testing prometheus-scraper-0.2.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate prometheus-scraper 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate prometheus-scraper 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate prometheus-scraper 0.2.0
[INFO] tweaked toml for crates.io crate prometheus-scraper 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-scraper 0.2.0 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 prometheus-scraper 0.2.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf
[INFO] running `Command { std: "docker" "start" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf", 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" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf" "/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" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf", 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" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling bytes v1.12.0
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling buffa v0.9.0
[INFO] [stderr]    Compiling buffa-types v0.9.0
[INFO] [stderr]    Compiling prometheus-scraper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `Command { std: "docker" "inspect" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf", 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" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling socket2 v0.6.4
[INFO] [stderr]    Compiling mio v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling buffa v0.9.0
[INFO] [stderr]    Compiling buffa-types v0.9.0
[INFO] [stderr]    Compiling prometheus-scraper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf", 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" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/prometheus-scraper/d1df98f1eae07b46/out/prometheus_scraper-d1df98f1eae07b46)
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test payload::tests::proto_corrupt_body_resyncs ... ok
[INFO] [stdout] test payload::tests::proto_parse_yields_each_family ... ok
[INFO] [stdout] test proto::scan::tests::back_to_back_frames_via_consumed ... ok
[INFO] [stdout] test proto::scan::tests::empty_buffer ... ok
[INFO] [stdout] test payload::tests::next_family_is_zero_copy_lending ... ok
[INFO] [stdout] test tests::classic_float_histogram ... ok
[INFO] [stdout] test payload::tests::malformed_family_is_isolated ... ok
[INFO] [stdout] test payload::tests::decoder_one_shot_matches_parse ... ok
[INFO] [stdout] test payload::tests::proto_truncated_final_frame_errors ... ok
[INFO] [stdout] test proto::scan::tests::oversized_varint_is_unrecoverable ... ok
[INFO] [stdout] test proto::scan::tests::frames_a_complete_message ... ok
[INFO] [stdout] test proto::scan::tests::waits_for_the_rest_of_the_body ... ok
[INFO] [stdout] test tests::classic_integer_histogram ... ok
[INFO] [stdout] test payload::tests::parse_yields_each_family ... ok
[INFO] [stdout] test payload::tests::proto_decoder_is_chunk_invariant ... ok
[INFO] [stdout] test tests::hybrid_histogram ... ok
[INFO] [stdout] test tests::metric_family_decodes_as_zero_copy_view ... ok
[INFO] [stdout] test text::scan::tests::partial_last_line_needs_more ... ok
[INFO] [stdout] test tests::native_float_histogram ... ok
[INFO] [stdout] test text::scan::tests::splits_two_families_on_descriptor ... ok
[INFO] [stdout] test text::tests::blank_lines_are_ignored ... ok
[INFO] [stdout] test text::scan::tests::histogram_suffixes_stay_in_one_family ... ok
[INFO] [stdout] test text::tests::escaped_help_allocates_and_resolves ... ok
[INFO] [stdout] test text::tests::counter_classic_and_openmetrics_with_exemplar_and_created ... ok
[INFO] [stdout] test text::scan::tests::descriptor_after_sample_starts_new_family ... ok
[INFO] [stdout] test text::tests::classic_counter_bare_name ... ok
[INFO] [stdout] test tests::native_integer_histogram ... ok
[INFO] [stdout] test tests::gauge_histogram_distinguished_by_family_type ... ok
[INFO] [stdout] test text::scan::tests::comment_and_blank_lines_dont_split ... ok
[INFO] [stdout] test text::scan::tests::descriptorless_splits_on_base_name_change ... ok
[INFO] [stdout] test text::scan::tests::eof_marks_end ... ok
[INFO] [stdout] test text::scan::tests::info_suffix_belongs_to_family ... ok
[INFO] [stdout] test text::scan::tests::streaming_holds_until_next_family_seen ... ok
[INFO] [stdout] test text::tests::histogram_buckets_sum_count ... ok
[INFO] [stdout] test text::tests::gauge_histogram_uses_gsum_gcount ... ok
[INFO] [stdout] test text::tests::gauge_int_vs_float ... ok
[INFO] [stdout] test text::tests::order_independent_help_before_type ... ok
[INFO] [stdout] test text::tests::histogram_groups_by_outer_labels ... ok
[INFO] [stdout] test text::tests::parses_canonical_order ... ok
[INFO] [stdout] test text::tests::guess_resolves_each_unit_by_proximity_to_now ... ok
[INFO] [stdout] test text::tests::missing_type_is_none ... ok
[INFO] [stdout] test text::tests::label_value_escapes_and_eof ... ok
[INFO] [stdout] test text::tests::stateset_collects_states ... ok
[INFO] [stdout] test text::tests::guess_reads_fractional_timestamp_as_seconds ... ok
[INFO] [stdout] test text::tests::malformed_value_is_an_error ... ok
[INFO] [stdout] test text::tests::no_labels_and_trailing_timestamp ... ok
[INFO] [stdout] test text::tests::summary_quantiles_sum_count ... ok
[INFO] [stdout] test text::tests::stateset_groups_by_identity_labels ... ok
[INFO] [stdout] test text::tests::timestamp_units_differ_by_format ... ok
[INFO] [stdout] test text::tests::info_labels_become_payload ... ok
[INFO] [stdout] test payload::tests::decoder_is_chunk_invariant ... ok
[INFO] [stdout] test text::tests::unknown_untyped_and_garbage_map_to_untyped ... ok
[INFO] [stdout] test text::tests::float_histogram_detected_from_fractional_count ... ok
[INFO] [stdout] test text::tests::untyped_without_header_derives_name ... ok
[INFO] [stdout] test text::tests::utf8_name_in_braces_form ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/debug/build/prometheus-scraper/fa32dbaa65a63d76/out/serde-fa32dbaa65a63d76)
[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]    Doc-tests prometheus_scraper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... 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 0.42s; merged doctests compilation took 0.41s
[INFO] running `Command { std: "docker" "inspect" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf", kill_on_drop: false }`
[INFO] [stdout] b3472aa2d4250e523604150f18a102cfd46d04e395ad6928b7047f3aa50b2baf
