[INFO] fetching crate eventix 0.3.1...
[INFO] testing eventix-0.3.1 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate eventix 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate eventix 0.3.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate eventix 0.3.1
[INFO] tweaked toml for crates.io crate eventix 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eventix 0.3.1 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate eventix 0.3.1 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a977ca59dd4facb442884e0a7b885c7af8dd53e5833ea547f1b28bf5e6e0a2f1
[INFO] running `Command { std: "docker" "start" "-a" "a977ca59dd4facb442884e0a7b885c7af8dd53e5833ea547f1b28bf5e6e0a2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a977ca59dd4facb442884e0a7b885c7af8dd53e5833ea547f1b28bf5e6e0a2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a977ca59dd4facb442884e0a7b885c7af8dd53e5833ea547f1b28bf5e6e0a2f1", kill_on_drop: false }`
[INFO] [stdout] a977ca59dd4facb442884e0a7b885c7af8dd53e5833ea547f1b28bf5e6e0a2f1
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 986c7289a3e95bbb466033e30a59899192f799bbbfa49369672fb5d38d212464
[INFO] running `Command { std: "docker" "start" "-a" "986c7289a3e95bbb466033e30a59899192f799bbbfa49369672fb5d38d212464", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling uuid v1.19.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling iso8601 v0.6.3
[INFO] [stderr]    Compiling nom-language v0.1.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling icalendar v0.17.6
[INFO] [stderr]    Compiling rrule v0.14.0
[INFO] [stderr]    Compiling eventix v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.10s
[INFO] running `Command { std: "docker" "inspect" "986c7289a3e95bbb466033e30a59899192f799bbbfa49369672fb5d38d212464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986c7289a3e95bbb466033e30a59899192f799bbbfa49369672fb5d38d212464", kill_on_drop: false }`
[INFO] [stdout] 986c7289a3e95bbb466033e30a59899192f799bbbfa49369672fb5d38d212464
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b707633af936e4d117977a9af16791e31240d1bd1d60b4a4900aee0646162545
[INFO] running `Command { std: "docker" "start" "-a" "b707633af936e4d117977a9af16791e31240d1bd1d60b4a4900aee0646162545", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling uuid v1.19.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling icalendar v0.17.6
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling rrule v0.14.0
[INFO] [stderr]    Compiling eventix v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.03s
[INFO] running `Command { std: "docker" "inspect" "b707633af936e4d117977a9af16791e31240d1bd1d60b4a4900aee0646162545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b707633af936e4d117977a9af16791e31240d1bd1d60b4a4900aee0646162545", kill_on_drop: false }`
[INFO] [stdout] b707633af936e4d117977a9af16791e31240d1bd1d60b4a4900aee0646162545
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 412c4624efee0ec671de7fb059e6c1465cffb4286c893729d27e74b050af9962
[INFO] running `Command { std: "docker" "start" "-a" "412c4624efee0ec671de7fb059e6c1465cffb4286c893729d27e74b050af9962", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/eventix-e3918df4ef28ac59)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test calendar::tests::test_find_events ... ok
[INFO] [stdout] test calendar::tests::test_calendar_creation ... ok
[INFO] [stdout] test calendar::tests::test_add_events ... ok
[INFO] [stdout] test calendar::tests::test_json_serialization ... ok
[INFO] [stdout] test calendar::tests::test_update_event ... ok
[INFO] [stdout] test event::tests::test_event_builder_duration ... ok
[INFO] [stdout] test event::tests::test_event_validation ... ok
[INFO] [stdout] test gap_validation::tests::test_calculate_density ... ok
[INFO] [stdout] test gap_validation::tests::test_find_available_slots ... ok
[INFO] [stdout] test gap_validation::tests::test_find_longest_gap ... ok
[INFO] [stdout] test gap_validation::tests::test_find_gaps ... ok
[INFO] [stdout] test gap_validation::tests::test_find_overlaps_no_conflict ... ok
[INFO] [stdout] test gap_validation::tests::test_is_slot_available ... ok
[INFO] [stdout] test gap_validation::tests::test_schedule_density_busy ... ok
[INFO] [stdout] test gap_validation::tests::test_find_overlaps_with_conflict ... ok
[INFO] [stdout] test recurrence::tests::test_recurrence_filter_weekends ... ok
[INFO] [stdout] test timezone::tests::test_parse_datetime ... ok
[INFO] [stdout] test timezone::tests::test_parse_timezone ... ok
[INFO] [stdout] test gap_validation::tests::test_suggest_alternatives ... ok
[INFO] [stdout] test ics::tests::test_ics_export ... ok
[INFO] [stdout] test recurrence::tests::test_weekly_recurrence ... ok
[INFO] [stdout] test recurrence::tests::test_daily_recurrence ... ok
[INFO] [stdout] test event::tests::test_event_builder ... ok
[INFO] [stdout] test timezone::tests::test_convert_timezone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/booking_status_tests.rs (/opt/rustwide/target/debug/deps/booking_status_tests-c89462aa18554cb2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_event_status_lifecycle ... ok
[INFO] [stdout] test test_rescheduling_resets_cancelled_status ... ok
[INFO] [stdout] test test_event_status_serialization ... ok
[INFO] [stdout] test test_gap_validation_ignores_cancelled_events ... ok
[INFO] [stdout] test test_rescheduling_validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/gap_validation_tests.rs (/opt/rustwide/target/debug/deps/gap_validation_tests-cc616d24ddc4ae1e)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_density_metrics_comprehensive ... ok
[INFO] [stdout] test test_comprehensive_gap_detection ... ok
[INFO] [stdout] test test_conflict_resolution_suggestions ... ok
[INFO] [stdout] test test_longest_gap_finder ... ok
[INFO] [stdout] test test_multi_timezone_gap_detection ... ok
[INFO] [stdout] test test_gap_metadata ... ok
[INFO] [stdout] test test_recurring_events_gap_detection ... ok
[INFO] [stdout] test test_schedule_density_analysis ... ok
[INFO] [stdout] test test_overlap_detection_complex ... ok
[INFO] [stdout] test test_slot_availability_edge_cases ... ok
[INFO] [stdout] test test_find_available_slots_for_meeting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/property_tests.rs (/opt/rustwide/target/debug/deps/property_tests-ce6c5de6226fef02)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_recurrence_weekly_interval_invariant ... ok
[INFO] [stdout] test test_event_overlap_logic ... ok
[INFO] [stdout] test test_recurrence_daily_count_invariant ... ok
[INFO] [stderr]      Running tests/timezone_ics_tests.rs (/opt/rustwide/target/debug/deps/timezone_ics_tests-c241bc304583585f)
[INFO] [stdout] test test_event_builder_invariants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_dst_boundary_event ... ok
[INFO] [stdout] test test_recurring_event_with_timezone ... ok
[INFO] [stdout] test test_exception_dates_with_timezone ... ok
[INFO] [stdout] test test_multiple_timezones_in_one_calendar ... ok
[INFO] [stdout] test test_ics_round_trip_preserves_timezone ... ok
[INFO] [stdout] test test_mixed_utc_and_local_timezones ... ok
[INFO] [stdout] test test_timezone_aware_ics_export ... ok
[INFO] [stdout] test test_all_day_event_utc ... ok
[INFO] [stdout] test test_utc_timezone_uses_z_suffix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eventix
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/ics.rs - ics::Calendar::export_to_ics (line 17) - compile ... ok
[INFO] [stdout] test src/ics.rs - ics::Calendar::import_from_ics (line 60) - compile ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::count (line 101) ... ok
[INFO] [stdout] test src/gap_validation.rs - gap_validation::find_gaps (line 137) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/gap_validation.rs - gap_validation::calculate_density (line 296) ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::daily (line 34) ... ok
[INFO] [stdout] test src/event.rs - event::EventBuilder::start (line 253) ... ok
[INFO] [stdout] test src/calendar.rs - calendar::Calendar::update_event (line 95) ... ok
[INFO] [stdout] test src/event.rs - event::Event::builder (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... FAILED
[INFO] [stdout] test src/gap_validation.rs - gap_validation::find_overlaps (line 220) ... ok
[INFO] [stdout] test src/calendar.rs - calendar::Calendar::new (line 29) ... ok
[INFO] [stdout] test src/calendar.rs - calendar::Calendar::add_event (line 59) ... ok
[INFO] [stdout] test src/gap_validation.rs - gap_validation::suggest_alternatives (line 417) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::interval (line 86) ... ok
[INFO] [stdout] test src/calendar.rs - calendar::Calendar::find_events_by_title (line 127) ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::monthly (line 60) ... ok
[INFO] [stdout] test src/timezone.rs - timezone::parse_timezone (line 11) ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::weekly (line 47) ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::weekdays (line 131) ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::yearly (line 73) ... ok
[INFO] [stdout] test src/recurrence.rs - recurrence::Recurrence::until (line 115) ... ok
[INFO] [stdout] test src/timezone.rs - timezone::convert_timezone (line 65) ... ok
[INFO] [stdout] test src/timezone.rs - timezone::is_dst (line 82) ... ok
[INFO] [stdout] test src/timezone.rs - timezone::parse_datetime_with_tz (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 39) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (508) panicked at src/lib.rs:18:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IcsError("Failed to write ICS file: Read-only file system (os error 30)")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57c273275bb2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57c273275bb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57c273275bb2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x57c273275bb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x57c27328576a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57c27328576a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x57c273254e86 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57c273254e86 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x57c27325b996 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x57c27325b996 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57c27325b7f6 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x57c27325bbdb - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x57c27325ba58 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x57c27325a179 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x57c273249dbd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x57c273288b9c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x57c273288092 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x57c2731d472a - rust_out::main::_doctest_main_src_lib_rs_39_0::hb72b161d34e79980
[INFO] [stdout]   18:     0x57c2731d4466 - rust_out::main::hfd6f621749dac69f
[INFO] [stdout]   19:     0x57c2731d3d23 - core::ops::function::FnOnce::call_once::hb1397b18da3aaedb
[INFO] [stdout]   20:     0x57c2731d3c96 - std::sys::backtrace::__rust_begin_short_backtrace::h8c9a816bbcffd5a8
[INFO] [stdout]   21:     0x57c2731d3c79 - std::rt::lang_start::{{closure}}::he61f35d05d768b48
[INFO] [stdout]   22:     0x57c273256086 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x57c273256086 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x57c273256086 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x57c273256086 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x57c273256086 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x57c273256086 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x57c273256086 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x57c273256086 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x57c273256086 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x57c2731d3c61 - std::rt::lang_start::h9890a617c1815e16
[INFO] [stdout]   32:     0x57c2731d47b5 - main
[INFO] [stdout]   33:     0x78605e79f1ca - <unknown>
[INFO] [stdout]   34:     0x78605e79f28b - __libc_start_main
[INFO] [stdout]   35:     0x57c2731d3a15 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.61s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "412c4624efee0ec671de7fb059e6c1465cffb4286c893729d27e74b050af9962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412c4624efee0ec671de7fb059e6c1465cffb4286c893729d27e74b050af9962", kill_on_drop: false }`
[INFO] [stdout] 412c4624efee0ec671de7fb059e6c1465cffb4286c893729d27e74b050af9962
