[INFO] fetching crate yangon 1.1.5...
[INFO] testing yangon-1.1.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate yangon 1.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate yangon 1.1.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate yangon 1.1.5
[INFO] tweaked toml for crates.io crate yangon 1.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yangon 1.1.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yangon 1.1.5 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cde49fc4344f8b0482053ba85fbd58372bb8da7dfc068ac00f162f79aad07aee
[INFO] running `Command { std: "docker" "start" "-a" "cde49fc4344f8b0482053ba85fbd58372bb8da7dfc068ac00f162f79aad07aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde49fc4344f8b0482053ba85fbd58372bb8da7dfc068ac00f162f79aad07aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde49fc4344f8b0482053ba85fbd58372bb8da7dfc068ac00f162f79aad07aee", kill_on_drop: false }`
[INFO] [stdout] cde49fc4344f8b0482053ba85fbd58372bb8da7dfc068ac00f162f79aad07aee
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 925e0601e2abbd04ffad961ef5030c9236080b952b1935d3ca03ba39a1c7e1b4
[INFO] running `Command { std: "docker" "start" "-a" "925e0601e2abbd04ffad961ef5030c9236080b952b1935d3ca03ba39a1c7e1b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling yangon v1.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "925e0601e2abbd04ffad961ef5030c9236080b952b1935d3ca03ba39a1c7e1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925e0601e2abbd04ffad961ef5030c9236080b952b1935d3ca03ba39a1c7e1b4", kill_on_drop: false }`
[INFO] [stdout] 925e0601e2abbd04ffad961ef5030c9236080b952b1935d3ca03ba39a1c7e1b4
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd734582ce801f1ca974f3ab0e73776dbd8f5a9bc9784c4e6b5212aab7dc2054
[INFO] running `Command { std: "docker" "start" "-a" "cd734582ce801f1ca974f3ab0e73776dbd8f5a9bc9784c4e6b5212aab7dc2054", kill_on_drop: false }`
[INFO] [stderr]    Compiling yangon v1.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `small_cap`
[INFO] [stdout]    --> tests/miri_tests.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let small_cap = y.capacity();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_small_cap`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/miri_tests.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut y = Yangon::<1024>::from("ABCDEFGHIJ");
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/miri_tests.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |     for i in 0..100 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/miri_tests.rs:467:10
[INFO] [stdout]     |
[INFO] [stdout] 467 |     for (i, op1) in ops.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> tests/miri_tests.rs:468:14
[INFO] [stdout]     |
[INFO] [stdout] 468 |         for (j, op2) in ops.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/miri_tests.rs:497:13
[INFO] [stdout]     |
[INFO] [stdout] 497 |         for i in 0..cap {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycle`
[INFO] [stdout]    --> tests/miri_tests.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |     for cycle in 0..50 {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> tests/miri_tests.rs:708:9
[INFO] [stdout]     |
[INFO] [stdout] 708 |     let result = write!(&mut y, "{}", "This is a long string");
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y2`
[INFO] [stdout]    --> tests/miri_tests.rs:785:9
[INFO] [stdout]     |
[INFO] [stdout] 785 |     let y2 = Yangon::<2048>::with_capacity();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_y2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "cd734582ce801f1ca974f3ab0e73776dbd8f5a9bc9784c4e6b5212aab7dc2054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd734582ce801f1ca974f3ab0e73776dbd8f5a9bc9784c4e6b5212aab7dc2054", kill_on_drop: false }`
[INFO] [stdout] cd734582ce801f1ca974f3ab0e73776dbd8f5a9bc9784c4e6b5212aab7dc2054
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 506ead029b866a27ea4c42e772a08c27d5a76051b1ad82305c93085455b6c035
[INFO] running `Command { std: "docker" "start" "-a" "506ead029b866a27ea4c42e772a08c27d5a76051b1ad82305c93085455b6c035", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `small_cap`
[INFO] [stderr]    --> tests/miri_tests.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let small_cap = y.capacity();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_small_cap`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/miri_tests.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |     let mut y = Yangon::<1024>::from("ABCDEFGHIJ");
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/miri_tests.rs:410:9
[INFO] [stderr]     |
[INFO] [stderr] 410 |     for i in 0..100 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/miri_tests.rs:467:10
[INFO] [stderr]     |
[INFO] [stderr] 467 |     for (i, op1) in ops.iter().enumerate() {
[INFO] [stderr]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> tests/miri_tests.rs:468:14
[INFO] [stderr]     |
[INFO] [stderr] 468 |         for (j, op2) in ops.iter().enumerate() {
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/miri_tests.rs:497:13
[INFO] [stderr]     |
[INFO] [stderr] 497 |         for i in 0..cap {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cycle`
[INFO] [stderr]    --> tests/miri_tests.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |     for cycle in 0..50 {
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> tests/miri_tests.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |     let result = write!(&mut y, "{}", "This is a long string");
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y2`
[INFO] [stderr]    --> tests/miri_tests.rs:785:9
[INFO] [stderr]     |
[INFO] [stderr] 785 |     let y2 = Yangon::<2048>::with_capacity();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_y2`
[INFO] [stderr] 
[INFO] [stderr] warning: `yangon` (test "miri_tests") generated 9 warnings (run `cargo fix --test "miri_tests" -p yangon` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yangon-71821dbbdb62cdac)
[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]      Running tests/miri_tests.rs (/opt/rustwide/target/debug/deps/miri_tests-4f9bb523e7020b2d)
[INFO] [stdout] 
[INFO] [stdout] running 175 tests
[INFO] [stdout] test test_alignment_after_operations ... ok
[INFO] [stdout] test test_all_valid_unicode_planes ... ok
[INFO] [stdout] test test_all_whitespace_variations ... ok
[INFO] [stdout] test test_all_whitespace_types ... ok
[INFO] [stdout] test test_all_operation_pairs ... ok
[INFO] [stdout] test test_alternating_insert_remove_every_position ... ok
[INFO] [stdout] test test_adversarial_insert_remove_pattern ... ok
[INFO] [stdout] test test_as_mut_ptr ... ok
[INFO] [stdout] test test_as_mut_ptr_complex_modifications ... ok
[INFO] [stdout] test test_alternating_multibyte_sizes ... ok
[INFO] [stdout] test test_as_ptr ... ok
[INFO] [stdout] test test_as_ptr_stability ... ok
[INFO] [stdout] test test_as_mut_ptr_modifications ... ok
[INFO] [stdout] test test_basic_creation_and_capacity ... ok
[INFO] [stdout] test test_as_ref ... ok
[INFO] [stdout] test test_capacity_off_by_one_scenarios ... ok
[INFO] [stdout] test test_butterfly_pattern_insertions ... ok
[INFO] [stdout] test test_clone ... ok
[INFO] [stdout] test test_clone_independence ... ok
[INFO] [stdout] test test_crafted_unicode_sequences ... ok
[INFO] [stdout] test test_conversion_round_trips ... ok
[INFO] [stdout] test test_debug_trait ... ok
[INFO] [stdout] test test_capacity_shrink_grow_cycles ... ok
[INFO] [stdout] test test_equality_with_various_types ... ok
[INFO] [stdout] test test_empty_string_operations ... ok
[INFO] [stdout] test test_deref ... ok
[INFO] [stdout] test test_every_operation_interleaved ... ok
[INFO] [stdout] test test_exhaustive_capacity_boundaries ... ok
[INFO] [stdout] test test_clone_deep_stress ... ok
[INFO] [stdout] test test_clear ... ok
[INFO] [stdout] test test_display_trait ... ok
[INFO] [stdout] test test_combining_diacritical_marks ... ok
[INFO] [stdout] test test_equality_unicode_variations ... ok
[INFO] [stdout] test test_display_with_special_chars ... ok
[INFO] [stdout] test test_from_iter ... ok
[INFO] [stdout] test test_debug_escaping ... ok
[INFO] [stdout] test test_from_iter_large_collection ... ok
[INFO] [stdout] test test_fill_to_exact_capacity_repeatedly ... ok
[INFO] [stdout] test test_exact_capacity_fill ... ok
[INFO] [stdout] test test_from_utf8_lossy_invalid ... ok
[INFO] [stdout] test test_from_utf8_lossy_valid ... ok
[INFO] [stdout] test test_from_utf8_lossy_with_invalid_sequences ... ok
[INFO] [stdout] test test_from_utf8_unchecked ... ok
[INFO] [stdout] test test_from_utf8_unchecked_stress ... ok
[INFO] [stdout] test test_extreme_push_pop_cycles ... ok
[INFO] [stdout] test test_from_str ... ok
[INFO] [stdout] test test_emoji_sequences_and_modifiers ... ok
[INFO] [stdout] test test_from_str_unicode ... ok
[INFO] [stdout] test test_from_iter_unicode ... ok
[INFO] [stdout] test test_from_iter_mixed_unicode ... ok
[INFO] [stdout] test test_from_utf8_invalid ... ok
[INFO] [stdout] test test_from_utf8_unchecked_with_valid_data ... ok
[INFO] [stdout] test test_from_utf8_valid ... ok
[INFO] [stdout] test test_from_utf8_with_various_lengths ... ok
[INFO] [stdout] test test_html_tag_building ... ok
[INFO] [stdout] test test_insert_ascii ... ok
[INFO] [stdout] test test_insert_at_end ... ok
[INFO] [stdout] test test_insert_at_start ... ok
[INFO] [stdout] test test_interleaved_operations ... ok
[INFO] [stdout] test test_insert_remove_at_every_unicode_boundary ... ok
[INFO] [stdout] test test_insert_unicode ... ok
[INFO] [stdout] test test_from_utf8_lossy_comprehensive ... ok
[INFO] [stdout] test test_into_bytes ... ok
[INFO] [stdout] test test_malformed_utf8_boundaries ... ok
[INFO] [stdout] test test_log_line_simulation ... ok
[INFO] [stdout] test test_into_bytes_and_back ... ok
[INFO] [stdout] test test_normalization_boundaries ... ok
[INFO] [stdout] test test_maximum_multibyte_sequence ... ok
[INFO] [stdout] test test_operations_near_capacity_exhaustion ... ok
[INFO] [stdout] test test_pop_basic ... ok
[INFO] [stdout] test test_multiple_clones ... ok
[INFO] [stdout] test test_maximum_unicode_codepoint ... ok
[INFO] [stdout] test test_pop_unicode ... ok
[INFO] [stdout] test test_push_char_capacity_overflow ... ok
[INFO] [stdout] test test_json_like_construction ... ok
[INFO] [stdout] test test_long_grapheme_clusters ... ok
[INFO] [stdout] test test_massive_replace_operations ... ok
[INFO] [stdout] test test_multibyte_char_at_capacity_boundary ... ok
[INFO] [stdout] test test_pop_empty ... ok
[INFO] [stdout] test test_push_str_basic ... ok
[INFO] [stdout] test test_partial_eq ... ok
[INFO] [stdout] test test_iterator_exhaustion ... ok
[INFO] [stdout] test test_push_char ... ok
[INFO] [stdout] test test_potential_off_by_one_exploits ... ok
[INFO] [stdout] test test_push_str_capacity_overflow ... ok
[INFO] [stdout] test test_push_str_multiple ... ok
[INFO] [stdout] test test_push_str_unchecked ... ok
[INFO] [stdout] test test_push_str_unicode ... ok
[INFO] [stdout] test test_remove_ascii ... ok
[INFO] [stdout] test test_remove_multibyte_chars ... ok
[INFO] [stdout] test test_push_unicode_char ... ok
[INFO] [stdout] test test_push_str_unchecked_safety ... ok
[INFO] [stdout] test test_repeated_insert_at_same_position ... ok
[INFO] [stdout] test test_replace_empty_pattern ... ok
[INFO] [stdout] test test_random_operation_sequence ... ok
[INFO] [stdout] test test_replace_char ... ok
[INFO] [stdout] test test_replace_range_all_positions ... ok
[INFO] [stdout] test test_replace_range_edge_cases ... ok
[INFO] [stdout] test test_replace_range_same_size ... ok
[INFO] [stdout] test test_repeated_push_pop_cycles ... ok
[INFO] [stdout] test test_replace_not_found ... ok
[INFO] [stdout] test test_replace_range_shrink ... ok
[INFO] [stdout] test test_replace_range_with_unicode ... ok
[INFO] [stdout] test test_replace_exponential_growth ... ok
[INFO] [stdout] test test_replace_with_size_explosion ... ok
[INFO] [stdout] test test_retain_all ... ok
[INFO] [stdout] test test_replace_with_unicode_expansion ... ok
[INFO] [stdout] test test_replace_range_expand ... ok
[INFO] [stdout] test test_replace_overlapping_patterns ... ok
[INFO] [stdout] test test_replace_str ... ok
[INFO] [stdout] test test_replace_unicode ... ok
[INFO] [stdout] test test_replace_with_closure ... ok
[INFO] [stdout] test test_retain_none ... ok
[INFO] [stdout] test test_retain_predicate ... ok
[INFO] [stdout] test test_retain_remove_every_nth_char ... ok
[INFO] [stdout] test test_retain_unicode ... ok
[INFO] [stdout] test test_retain_remove_all_then_add ... ok
[INFO] [stdout] test test_right_to_left_and_bidirectional ... ok
[INFO] [stdout] test test_retain_removes_everything_then_rebuild ... ok
[INFO] [stdout] test test_retain_with_complex_predicate ... ok
[INFO] [stdout] test test_set_len_boundary_conditions ... ok
[INFO] [stdout] test test_set_cap_unsafe ... ok
[INFO] [stdout] test test_set_len_unsafe ... ok
[INFO] [stdout] test test_sawtooth_growth_pattern ... ok
[INFO] [stdout] test test_set_len_with_valid_utf8 ... ok
[INFO] [stdout] test test_shrink_to ... ok
[INFO] [stdout] test test_potential_integer_overflow_scenarios ... ok
[INFO] [stdout] test test_retain_with_stateful_predicate ... ok
[INFO] [stdout] test test_retain_unicode_complexity ... ok
[INFO] [stdout] test test_shrink_to_fit ... ok
[INFO] [stdout] test test_shrink_to_invalid ... ok
[INFO] [stdout] test test_shrink_to_fit_various_sizes ... ok
[INFO] [stdout] test test_single_char_operations ... ok
[INFO] [stdout] test test_split_off_all_positions_with_unicode ... ok
[INFO] [stdout] test test_size_and_layout_consistency ... ok
[INFO] [stdout] test test_split_off_at_unicode_boundaries ... ok
[INFO] [stdout] test test_split_off_cascading ... ok
[INFO] [stdout] test test_split_off_middle ... ok
[INFO] [stdout] test test_split_off_start ... ok
[INFO] [stdout] test test_stress_all_ascii_printable ... ok
[INFO] [stdout] test test_to_yangon_trait ... ok
[INFO] [stdout] test test_to_yangon_trait_variations ... ok
[INFO] [stdout] test test_stress_insert_remove ... ok
[INFO] [stdout] test test_stress_push_pop ... ok
[INFO] [stdout] test test_surrogate_handling ... ok
[INFO] [stdout] test test_to_string ... ok
[INFO] [stdout] test test_split_off_end ... ok
[INFO] [stdout] test test_trim_all_spaces ... ok
[INFO] [stdout] test test_trim_all_unicode_whitespace ... ok
[INFO] [stdout] test test_trim_empty ... ok
[INFO] [stdout] test test_trim_mixed_whitespace ... ok
[INFO] [stdout] test test_trim_no_spaces ... ok
[INFO] [stdout] test test_truncate ... ok
[INFO] [stdout] test test_truncate_at_all_unicode_boundaries ... ok
[INFO] [stdout] test test_unicode_boundary_all_multibyte_sizes ... ok
[INFO] [stdout] test test_truncate_beyond_len ... ok
[INFO] [stdout] test test_unsafe_operations_interleaved ... ok
[INFO] [stdout] test test_write_trait_comprehensive ... ok
[INFO] [stdout] test test_write_trait ... ok
[INFO] [stdout] test test_write_trait_near_capacity ... ok
[INFO] [stdout] test test_write_trait_stress ... ok
[INFO] [stdout] test test_trim_spaces ... ok
[INFO] [stdout] test test_write_trait_with_unicode ... ok
[INFO] [stdout] test test_yangon_macro_empty ... ok
[INFO] [stdout] test test_yangon_macro_with_str ... ok
[INFO] [stdout] test test_yangon_macro_with_various_inputs ... ok
[INFO] [stdout] test test_zero_capacity_behavior ... ok
[INFO] [stdout] test test_thrashing_front_and_back ... ok
[INFO] [stdout] test test_zero_width_characters ... ok
[INFO] [stdout] test test_remove_unicode ... ok
[INFO] [stdout] test test_replace_empty_pattern_exhaustive ... ok
[INFO] [stdout] test test_replace_multiple ... ok
[INFO] [stdout] test test_insert_out_of_bounds - should panic ... ok
[INFO] [stdout] test test_remove_out_of_bounds - should panic ... ok
[INFO] [stdout] test test_insert_capacity_overflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 175 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yangon
[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" "506ead029b866a27ea4c42e772a08c27d5a76051b1ad82305c93085455b6c035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506ead029b866a27ea4c42e772a08c27d5a76051b1ad82305c93085455b6c035", kill_on_drop: false }`
[INFO] [stdout] 506ead029b866a27ea4c42e772a08c27d5a76051b1ad82305c93085455b6c035