[INFO] fetching crate profiler 0.2.1...
[INFO] testing profiler-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate profiler 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate profiler 0.2.1
[INFO] finished tweaking crates.io crate profiler 0.2.1
[INFO] tweaked toml for crates.io crate profiler 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate profiler 0.2.1 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 profiler 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 510eb4dfd2e29052edbf283db2c72a62e87d05c53b754762761186527250f6c2
[INFO] running `Command { std: "docker" "start" "-a" "510eb4dfd2e29052edbf283db2c72a62e87d05c53b754762761186527250f6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "510eb4dfd2e29052edbf283db2c72a62e87d05c53b754762761186527250f6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510eb4dfd2e29052edbf283db2c72a62e87d05c53b754762761186527250f6c2", kill_on_drop: false }`
[INFO] [stdout] 510eb4dfd2e29052edbf283db2c72a62e87d05c53b754762761186527250f6c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c3f6f77d5201bcca7356dfec19a61b2aca3e5c7155d45ac93b567abc50f38c43
[INFO] running `Command { std: "docker" "start" "-a" "c3f6f77d5201bcca7356dfec19a61b2aca3e5c7155d45ac93b567abc50f38c43", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling profiler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling perf-event-open-sys v6.0.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling perf-event v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling profiler_macros v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "c3f6f77d5201bcca7356dfec19a61b2aca3e5c7155d45ac93b567abc50f38c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f6f77d5201bcca7356dfec19a61b2aca3e5c7155d45ac93b567abc50f38c43", kill_on_drop: false }`
[INFO] [stdout] c3f6f77d5201bcca7356dfec19a61b2aca3e5c7155d45ac93b567abc50f38c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1618d6d230d195acf6739d644fed4e3b00b62132604adc32af7902e4f6d91700
[INFO] running `Command { std: "docker" "start" "-a" "1618d6d230d195acf6739d644fed4e3b00b62132604adc32af7902e4f6d91700", kill_on_drop: false }`
[INFO] [stderr]    Compiling profiler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "1618d6d230d195acf6739d644fed4e3b00b62132604adc32af7902e4f6d91700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1618d6d230d195acf6739d644fed4e3b00b62132604adc32af7902e4f6d91700", kill_on_drop: false }`
[INFO] [stdout] 1618d6d230d195acf6739d644fed4e3b00b62132604adc32af7902e4f6d91700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 580e0a5cfc008a8d43a0ac12928226be8f38f64f8809df81b1ee2bf5619fc3fe
[INFO] running `Command { std: "docker" "start" "-a" "580e0a5cfc008a8d43a0ac12928226be8f38f64f8809df81b1ee2bf5619fc3fe", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/profiler-ee1f1c0716d9d843)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test bench::report::tests::computes_parent_share_from_primary_metric_median ... ok
[INFO] [stdout] test bench::report::tests::aggregates_multiple_inner_events_per_outer_iteration ... ok
[INFO] [stdout] test bench::report::tests::renders_parent_share_as_na_when_parent_primary_metric_is_zero ... ok
[INFO] [stdout] test bench::report::tests::parent_share_is_moved_into_label_and_detail_rows_remain_compact ... ok
[INFO] [stdout] test bench::report::tests::reports_analysis_progress_for_both_internal_phases ... ok
[INFO] [stdout] test bench::report::tests::breaks_primary_metric_ties_by_path ... ok
[INFO] [stdout] test bench::report::tests::sorts_roots_by_primary_metric_descending ... ok
[INFO] [stdout] test bench::report::tests::uses_metric_aggregation_kind_for_repeated_inner_events ... ok
[INFO] [stdout] test bench::tests::display_name_includes_group_when_present ... ok
[INFO] [stdout] test bench::tests::measured_progress_waits_for_both_iteration_and_time_thresholds ... ok
[INFO] [stdout] test bench::report::tests::sorts_siblings_by_primary_metric_not_secondary_metric ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests profiler
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/bench/mod.rs - bench::bench_main (line 638) ... ignored
[INFO] [stdout] test src/lib.rs - (line 9) ... ignored
[INFO] [stdout] test src/lib.rs - (line 30) - compile ... ok
[INFO] [stdout] test src/metrics/mem.rs - metrics::mem (line 10) - compile ... ok
[INFO] [stdout] test src/metrics/mod.rs - metrics (line 9) ... ok
[INFO] [stdout] test src/metrics/mod.rs - metrics::MetricAggregation (line 78) ... FAILED
[INFO] [stdout] test src/metrics/mem.rs - metrics::mem::ProfilerMetrics (line 65) - compile ... FAILED
[INFO] [stdout] test src/bench/mod.rs - bench::bench_main (line 629) ... ok
[INFO] [stdout] test src/metrics/mod.rs - metrics (line 40) ... ok
[INFO] [stdout] test src/bench/mod.rs - bench::IterScope (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Metrics (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Metrics (line 133) ... ok
[INFO] [stdout] test src/bench/mod.rs - bench::Bencher::run_custom (line 145) ... ok
[INFO] [stdout] test src/bench/mod.rs - bench::Bencher::run_custom (line 158) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/metrics/mod.rs - metrics::MetricAggregation (line 78) stdout ----
[INFO] [stdout] error[E0433]: cannot find `span_info` in `tracing`
[INFO] [stdout]   --> src/metrics/mod.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |       let _span = tracing::span_info!("span1").entered;
[INFO] [stdout]    |                            ^^^^^^^^^ could not find `span_info` in `tracing`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `span_info` in `tracing`
[INFO] [stdout]   --> src/metrics/mod.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let _span = tracing::span_info!("span2").entered;
[INFO] [stdout]    |                          ^^^^^^^^^ could not find `span_info` in `tracing`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/metrics/mem.rs - metrics::mem::ProfilerMetrics (line 65) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `profiler::metrics::mem::PeakProfilerMetrics`
[INFO] [stdout]   --> src/metrics/mem.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 | use profiler::metrics::mem::{PeakProfilerMetrics, ProfileAllocator};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ no `PeakProfilerMetrics` in `metrics::mem`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 69 - use profiler::metrics::mem::{PeakProfilerMetrics, ProfileAllocator};
[INFO] [stdout] 69 + use profiler::metrics::mem::{ProfilerMetrics, ProfileAllocator};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `ProfilerMetrics` in this scope
[INFO] [stdout]   --> src/metrics/mem.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |     peak_memory: ProfilerMetrics,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/metrics/mem.rs - metrics::mem::ProfilerMetrics (line 65)
[INFO] [stdout]     src/metrics/mod.rs - metrics::MetricAggregation (line 78)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 2 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.22s; merged doctests compilation took 0.13s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "580e0a5cfc008a8d43a0ac12928226be8f38f64f8809df81b1ee2bf5619fc3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580e0a5cfc008a8d43a0ac12928226be8f38f64f8809df81b1ee2bf5619fc3fe", kill_on_drop: false }`
[INFO] [stdout] 580e0a5cfc008a8d43a0ac12928226be8f38f64f8809df81b1ee2bf5619fc3fe
