[INFO] fetching crate prom_multi_proc 0.1.0...
[INFO] testing prom_multi_proc-0.1.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate prom_multi_proc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate prom_multi_proc 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate prom_multi_proc 0.1.0
[INFO] tweaked toml for crates.io crate prom_multi_proc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prom_multi_proc 0.1.0 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 prom_multi_proc 0.1.0 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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b
[INFO] running `Command { std: "docker" "start" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b", 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" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b" "/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" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b", 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" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling thiserror v2.0.18
[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 serde_json v1.0.149
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling prom_multi_proc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b", 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" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b" "/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 getrandom v0.4.2
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling prom_multi_proc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b", 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" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b" "/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 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/prom_multi_proc/c289a5210bf8fc7e/out/prom_multi_proc-c289a5210bf8fc7e)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test counter::tests::test_inc_no_labels ... ok
[INFO] [stdout] test batch::tests::test_batch_accumulates_metrics ... ok
[INFO] [stdout] test counter::tests::test_add ... ok
[INFO] [stdout] test counter::tests::test_inc_with_labels ... ok
[INFO] [stdout] test client::tests::test_sync_mode_rejects_batch_size ... ok
[INFO] [stdout] test client::tests::test_missing_help_fails ... ok
[INFO] [stdout] test client::tests::test_sync_mode_builds_successfully ... ok
[INFO] [stdout] test client::tests::test_prefix_applied_to_unprefixed_spec_name ... ok
[INFO] [stdout] test client::tests::test_client_builds_metrics ... ok
[INFO] [stdout] test client::tests::test_multi_batch ... ok
[INFO] [stdout] test client::tests::test_client_with_prefix ... ok
[INFO] [stdout] test client::tests::test_sync_mode_rejects_batch_timeout ... ok
[INFO] [stdout] test client::tests::test_unknown_metric_type_fails ... ok
[INFO] [stdout] test client::tests::test_invalid_batch_size_fails ... ok
[INFO] [stdout] test metric::tests::test_deserialize_metric ... ok
[INFO] [stdout] test metric::tests::test_serialize_batch ... ok
[INFO] [stdout] test client::tests::test_duplicate_metric_fails ... ok
[INFO] [stdout] test counter::tests::test_label_mismatch_returns_error ... ok
[INFO] [stdout] test gauge::tests::test_all_methods_no_labels ... ok
[INFO] [stdout] test metric::tests::test_serialize_metric ... ok
[INFO] [stdout] test gauge::tests::test_label_mismatch ... ok
[INFO] [stdout] test spec::tests::test_load_invalid_json ... ok
[INFO] [stdout] test histogram::tests::test_label_mismatch ... ok
[INFO] [stdout] test histogram::tests::test_observe_no_labels ... ok
[INFO] [stdout] test spec::tests::test_load_missing_file ... ok
[INFO] [stdout] test histogram::tests::test_observe_with_labels ... ok
[INFO] [stdout] test spec::tests::test_load_valid_specs ... ok
[INFO] [stdout] test summary::tests::test_observe_no_labels ... ok
[INFO] [stdout] test summary::tests::test_label_mismatch ... ok
[INFO] [stdout] test validate::tests::test_validate_name_invalid ... ok
[INFO] [stdout] test validate::tests::test_validate_name_valid ... ok
[INFO] [stdout] test validate::tests::test_validate_prefix ... ok
[INFO] [stdout] test writer::tests::test_missing_socket_does_not_panic ... ok
[INFO] [stdout] test writer::tests::test_sync_flush_and_shutdown_are_noops ... ok
[INFO] [stdout] test writer::tests::test_shutdown_flushes_remaining ... ok
[INFO] [stdout] test validate::tests::test_apply_prefix ... ok
[INFO] [stdout] test summary::tests::test_observe_with_labels ... ok
[INFO] [stdout] test writer::tests::test_write_single_metric ... ok
[INFO] [stdout] test client::tests::test_client_metric_not_found ... ok
[INFO] [stdout] test writer::tests::test_sync_missing_socket_does_not_panic ... ok
[INFO] [stdout] test writer::tests::test_write_many_atomic ... ok
[INFO] [stdout] test writer::tests::test_sync_writer_sends_immediately ... ok
[INFO] [stdout] test validate::tests::test_normalize_prefix ... ok
[INFO] [stdout] test writer::tests::test_batch_flushes_at_batch_size ... ok
[INFO] [stdout] test writer::tests::test_sync_write_many_is_one_socket_call ... ok
[INFO] [stdout] test batch::tests::test_batch_label_mismatch_returns_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/build/prom_multi_proc/2d37fefb224c5390/out/integration-2d37fefb224c5390)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test test_dead_socket_does_not_panic ... ok
[INFO] [stdout] test test_label_count_mismatch_returns_error ... ok
[INFO] [stdout] test test_sync_mode_dead_socket_does_not_panic ... ok
[INFO] [stdout] test test_wrong_metric_type_returns_none ... ok
[INFO] [stdout] test test_batching_accumulates_until_batch_size ... ok
[INFO] [stdout] test test_gauge_sends_set_over_socket ... ok
[INFO] [stdout] test test_multi_sends_batch_atomically ... ok
[INFO] [stdout] test test_sync_mode_rejects_batch_size ... ok
[INFO] [stdout] test test_metric_names ... ok
[INFO] [stdout] test test_sync_mode_writes_immediately ... ok
[INFO] [stdout] test test_no_prefix_uses_full_name_as_key ... ok
[INFO] [stdout] test test_summary_observe_over_socket ... ok
[INFO] [stdout] test test_gauge_all_methods_over_socket ... ok
[INFO] [stdout] test test_prefix_applied_to_unprefixed_spec_name ... ok
[INFO] [stdout] test test_shutdown_flushes_partial_batch ... ok
[INFO] [stdout] test test_sync_mode_each_write_is_separate_socket_call ... ok
[INFO] [stdout] test test_counter_sends_inc_over_socket ... ok
[INFO] [stdout] test test_prefix_strips_from_key_but_sends_full_name ... ok
[INFO] [stdout] test test_histogram_observe_over_socket ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prom_multi_proc
[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" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b", kill_on_drop: false }`
[INFO] [stdout] bec323f3ea2378257e073a86361dfe0e619726c81a852ec091c6a12920578f3b
