[INFO] fetching crate switchgear-metrics 0.1.29...
[INFO] testing switchgear-metrics-0.1.29 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate switchgear-metrics 0.1.29 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate switchgear-metrics 0.1.29
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate switchgear-metrics 0.1.29
[INFO] tweaked toml for crates.io crate switchgear-metrics 0.1.29 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate switchgear-metrics 0.1.29 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate switchgear-metrics 0.1.29 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]   Downloaded target-triple v1.0.1
[INFO] [stderr]   Downloaded glob v0.3.4
[INFO] [stderr]   Downloaded trybuild v1.0.120
[INFO] [stderr]   Downloaded toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]   Downloaded toml v1.1.4+spec-1.1.0
[INFO] [stderr]   Downloaded winnow v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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] 65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54
[INFO] running `Command { std: "docker" "start" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54", 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" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54", 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" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling switchgear-metrics v0.1.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54", 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" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling target-triple v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling toml v1.1.4+spec-1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling smallvec v1.15.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling glob v0.3.4
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling switchgear-metrics v0.1.29 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling trybuild v1.0.120
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 33.20s
[INFO] running `Command { std: "docker" "inspect" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54", 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" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/switchgear_metrics-21349e42f9966745)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/metrics.rs (/opt/rustwide/target/debug/deps/metrics-bf9b7d0fe09ce0be)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test a_trailing_comma_is_accepted_with_and_without_labels ... ok
[INFO] [stdout] test a_debug_metric_is_dropped_under_an_info_directive ... ok
[INFO] [stdout] test a_debug_metric_is_recorded_under_a_debug_directive ... ok
[INFO] [stdout] test an_info_metric_survives_a_debug_directive ... ok
[INFO] [stdout] test a_label_value_can_be_an_arbitrary_expression ... ok
[INFO] [stdout] test an_explicit_level_is_carried_onto_the_event ... ok
[INFO] [stdout] test a_dropped_metric_evaluates_neither_its_value_nor_its_labels ... ok
[INFO] [stdout] test counter_emits_a_prefixed_field_on_the_metrics_target ... ok
[INFO] [stdout] test metrics_target_is_constant ... ok
[INFO] [stdout] test monotonic_counter_emits_a_prefixed_field_on_the_metrics_target ... ok
[INFO] [stdout] test gauge_emits_a_prefixed_field_on_the_metrics_target ... ok
[INFO] [stdout] test duration_records_as_milliseconds_in_f64 ... ok
[INFO] [stdout] test histogram_emits_a_prefixed_field_on_the_metrics_target ... ok
[INFO] [stdout] test f32_widens_to_f64 ... ok
[INFO] [stdout] test label_forms_mix_in_one_call ... ok
[INFO] [stdout] test level_defaults_to_info ... ok
[INFO] [stdout] test narrow_unsigned_widens_to_u64 ... ok
[INFO] [stdout] test narrow_signed_widens_to_i64_and_keeps_its_sign ... ok
[INFO] [stdout] test no_label_form_emits_only_the_metric_field ... ok
[INFO] [stdout] test the_log_layer_writes_no_metric_record ... ok
[INFO] [stdout] test the_metric_field_comes_after_every_label ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ui.rs (/opt/rustwide/target/debug/deps/ui-8c6fb7f1007b1d09)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]     Checking thread_local v1.1.10
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking switchgear-metrics v0.1.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking switchgear-metrics-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/switchgear-metrics)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.43s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/compile_fail/duration_counter.rs ... ok
[INFO] [stderr] test tests/compile_fail/non_const_label_key.rs ... ok
[INFO] [stdout] test compile_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 23.65s
[INFO] [stdout] 
[INFO] [stderr] test tests/compile_fail/non_numeric.rs ... ok
[INFO] [stderr] test tests/compile_fail/signed_where_unsigned.rs ... ok
[INFO] [stderr] test tests/compile_fail/unsigned_counter.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]    Doc-tests switchgear_metrics
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/macros.rs - macros::counter (line 62) ... ok
[INFO] [stdout] test src/macros.rs - macros::gauge (line 125) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/macros.rs - macros::monotonic_counter (line 34) ... ok
[INFO] [stdout] test src/macros.rs - macros::histogram (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.55s; merged doctests compilation took 0.53s
[INFO] running `Command { std: "docker" "inspect" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54", kill_on_drop: false }`
[INFO] [stdout] 65edbf7636741a96a79005a679a657493fdfa6e71494aa0e153d11354fdf5d54
