[INFO] fetching crate xi-rope 0.3.0...
[INFO] testing xi-rope-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xi-rope 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate xi-rope 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xi-rope 0.3.0
[INFO] finished tweaking crates.io crate xi-rope 0.3.0
[INFO] tweaked toml for crates.io crate xi-rope 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37c82a95446f6e377cac16326cff3ce221ecbbc7951667540489d6fd85ccce51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37c82a95446f6e377cac16326cff3ce221ecbbc7951667540489d6fd85ccce51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37c82a95446f6e377cac16326cff3ce221ecbbc7951667540489d6fd85ccce51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c82a95446f6e377cac16326cff3ce221ecbbc7951667540489d6fd85ccce51", kill_on_drop: false }`
[INFO] [stdout] 37c82a95446f6e377cac16326cff3ce221ecbbc7951667540489d6fd85ccce51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc39d299ec89ae983596743352224664abd3a7c1e1ec54497f777a4ebfee953f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc39d299ec89ae983596743352224664abd3a7c1e1ec54497f777a4ebfee953f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling xi-rope v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:658:52
[INFO] [stdout]     |
[INFO] [stdout] 658 |     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:695:52
[INFO] [stdout]     |
[INFO] [stdout] 695 |     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "bc39d299ec89ae983596743352224664abd3a7c1e1ec54497f777a4ebfee953f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc39d299ec89ae983596743352224664abd3a7c1e1ec54497f777a4ebfee953f", kill_on_drop: false }`
[INFO] [stdout] bc39d299ec89ae983596743352224664abd3a7c1e1ec54497f777a4ebfee953f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7816bfd6fb8a1a4a941609747b1595f9b53d12ff7fc52cd7d0887a6c2352d089
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7816bfd6fb8a1a4a941609747b1595f9b53d12ff7fc52cd7d0887a6c2352d089", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:658:52
[INFO] [stdout]     |
[INFO] [stdout] 658 |     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:695:52
[INFO] [stdout]     |
[INFO] [stdout] 695 |     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xi-rope v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:658:52
[INFO] [stdout]     |
[INFO] [stdout] 658 |     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:695:52
[INFO] [stdout]     |
[INFO] [stdout] 695 |     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.59s
[INFO] running `Command { std: "docker" "inspect" "7816bfd6fb8a1a4a941609747b1595f9b53d12ff7fc52cd7d0887a6c2352d089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7816bfd6fb8a1a4a941609747b1595f9b53d12ff7fc52cd7d0887a6c2352d089", kill_on_drop: false }`
[INFO] [stdout] 7816bfd6fb8a1a4a941609747b1595f9b53d12ff7fc52cd7d0887a6c2352d089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d089fdfc7a33ac3ad8b2f407aeeec30e593160140e6707e789e87dc29ecbfe2
[INFO] running `Command { std: "docker" "start" "-a" "8d089fdfc7a33ac3ad8b2f407aeeec30e593160140e6707e789e87dc29ecbfe2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/tree.rs:658:52
[INFO] [stderr]     |
[INFO] [stderr] 658 |     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/tree.rs:695:52
[INFO] [stderr]     |
[INFO] [stderr] 695 |     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `xi-rope` (lib) generated 2 warnings
[INFO] [stderr] warning: `xi-rope` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xi_rope-72193cdc57630733)
[INFO] [stdout] 
[INFO] [stdout] running 144 tests
[INFO] [stdout] test breaks::tests::empty ... ok
[INFO] [stdout] test breaks::tests::concat ... ok
[INFO] [stdout] test breaks::tests::default_metric_test ... ok
[INFO] [stdout] test compare::tests::ne_len_simd ... ok
[INFO] [stdout] test compare::tests::scanner_back ... ok
[INFO] [stdout] test compare::tests::ne_avx ... ok
[INFO] [stdout] test breaks::tests::larger ... ok
[INFO] [stdout] test breaks::tests::one ... ok
[INFO] [stdout] test compare::tests::scanner_backward_simple ... ok
[INFO] [stdout] test compare::tests::avx_mask ... ok
[INFO] [stdout] test compare::tests::find_back_utf8 ... ok
[INFO] [stdout] test compare::tests::scan_back_ne_lens ... ok
[INFO] [stdout] test delta::tests::as_simple_insert ... ok
[INFO] [stdout] test compare::tests::ne_rev_regression1 ... ok
[INFO] [stdout] test compare::tests::ne_len ... ok
[INFO] [stdout] test compare::tests::ne_len_rev_sse ... ok
[INFO] [stdout] test breaks::tests::fromleaf ... ok
[INFO] [stdout] test compare::tests::ne_len_rev ... ok
[INFO] [stdout] test compare::tests::find_diff_range_ne_lens ... ok
[INFO] [stdout] test compare::tests::find_forward_utf8 ... ok
[INFO] [stdout] test compare::tests::ne_idx_rev_utf8 ... ok
[INFO] [stdout] test delta::tests::factor ... ok
[INFO] [stdout] test delta::tests::fancy_bounds ... ok
[INFO] [stdout] test delta::tests::inserted_subset ... ok
[INFO] [stdout] test delta::tests::iter_deletions ... ok
[INFO] [stdout] test delta::tests::iter_inserts ... ok
[INFO] [stdout] test delta::tests::is_identity ... ok
[INFO] [stdout] test compare::tests::find_diff_range ... ok
[INFO] [stdout] test delta::tests::synthesize ... ok
[INFO] [stdout] test compare::tests::scanner_forward_simple ... ok
[INFO] [stdout] test delta::tests::is_simple_delete ... ok
[INFO] [stdout] test delta::tests::transform_expand ... ok
[INFO] [stdout] test diff::tests::test_larger_diff ... ok
[INFO] [stdout] test diff::tests::diff_smoke_test ... ok
[INFO] [stdout] test delta::tests::simple ... ok
[INFO] [stdout] test engine::tests::edit_rev_concurrent ... ok
[INFO] [stdout] test engine::tests::compute_deltas_1 ... ok
[INFO] [stdout] test engine::tests::compute_transforms_1 ... ok
[INFO] [stdout] test delta::tests::transform_shrink ... ok
[INFO] [stdout] test engine::tests::edit_rev_empty ... ok
[INFO] [stdout] test engine::tests::edit_rev_simple ... ok
[INFO] [stdout] test engine::tests::compute_transforms_2 ... ok
[INFO] [stdout] test engine::tests::edit_rev_undo ... ok
[INFO] [stdout] test engine::tests::edit_rev_undo_3 ... ok
[INFO] [stdout] test engine::tests::find_base_1 ... ok
[INFO] [stdout] test engine::tests::edit_rev_undo_2 ... ok
[INFO] [stdout] test engine::tests::gc ... ok
[INFO] [stdout] test engine::tests::find_common_1 ... ok
[INFO] [stdout] test engine::tests::gc_6 ... ok
[INFO] [stdout] test engine::tests::gc_4 ... ok
[INFO] [stdout] test engine::tests::merge_idempotent ... ok
[INFO] [stdout] test engine::tests::rearrange_1 ... ok
[INFO] [stdout] test engine::tests::merge_whiteboard ... ok
[INFO] [stdout] test engine::tests::rebase_1 ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head_2 ... ok
[INFO] [stdout] test engine::tests::merge_insert_only_whiteboard ... ok
[INFO] [stdout] test engine::tests::undo ... ok
[INFO] [stdout] test engine::tests::merge_max_undo_so_far ... ok
[INFO] [stdout] test engine::tests::merge_associative ... ok
[INFO] [stdout] test engine::tests::merge_session_priorities ... ok
[INFO] [stdout] test engine::tests::merge_priorities ... ok
[INFO] [stdout] test engine::tests::gc_5 ... ok
[INFO] [stdout] test find::tests::compare_cursor_str_small ... ok
[INFO] [stdout] test find::tests::compare_cursor_str_medium ... ok
[INFO] [stdout] test engine::tests::undo_4 ... ok
[INFO] [stdout] test find::tests::find_casei_0xc4 ... ok
[INFO] [stdout] test find::tests::find_casei_ascii_nonalpha ... ok
[INFO] [stdout] test find::tests::find_casei_small ... ok
[INFO] [stdout] test find::tests::find_casei_special ... ok
[INFO] [stdout] test find::tests::find_medium ... ok
[INFO] [stdout] test engine::tests::undo_5 ... ok
[INFO] [stdout] test engine::tests::gc_2 ... ok
[INFO] [stdout] test engine::tests::undo_2 ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head_3 ... ok
[INFO] [stdout] test engine::tests::merge_simple_delete_1 ... ok
[INFO] [stdout] test engine::tests::merge_simple_delete_2 ... ok
[INFO] [stdout] test engine::tests::gc_3 ... ok
[INFO] [stdout] test find::tests::find_regex_small ... ok
[INFO] [stdout] test find::tests::compare_cursor_regex_singleline ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head_missing_token ... ok
[INFO] [stdout] test engine::tests::undo_3 ... ok
[INFO] [stdout] test find::tests::compare_cursor_regex_multiline ... ok
[INFO] [stdout] test interval::tests::before ... ok
[INFO] [stdout] test interval::tests::after ... ok
[INFO] [stdout] test interval::tests::prefix ... ok
[INFO] [stdout] test interval::tests::intersect ... ok
[INFO] [stdout] test interval::tests::empty ... ok
[INFO] [stdout] test find::tests::find_small ... ok
[INFO] [stdout] test interval::tests::contains ... ok
[INFO] [stdout] test multiset::tests::test_complement ... ok
[INFO] [stdout] test multiset::tests::test_find_deletions ... ok
[INFO] [stdout] test interval::tests::size ... ok
[INFO] [stdout] test multiset::tests::test_mapper ... ok
[INFO] [stdout] test find::tests::find_regex_medium ... ok
[INFO] [stdout] test multiset::tests::union ... ok
[INFO] [stdout] test multiset::tests::trivial ... ok
[INFO] [stdout] test interval::tests::suffix ... ok
[INFO] [stdout] test interval::tests::translate ... ok
[INFO] [stdout] test multiset::tests::transform ... ok
[INFO] [stdout] test rope::tests::next_codepoint_offset_small ... ok
[INFO] [stdout] test rope::tests::lines_small ... ok
[INFO] [stdout] test rope::tests::lines_raw_small ... ok
[INFO] [stdout] test rope::tests::eq_small ... ok
[INFO] [stdout] test rope::tests::eq_med ... ok
[INFO] [stdout] test multiset::tests::test_apply ... ok
[INFO] [stdout] test rope::tests::default_metric_test ... ok
[INFO] [stdout] test rope::tests::line_offsets ... ok
[INFO] [stdout] test rope::tests::line_of_offset_small ... ok
[INFO] [stdout] test rope::tests::lines_med ... ok
[INFO] [stdout] test rope::tests::slice_to_cow_long_string_short_slice ... ok
[INFO] [stdout] test rope::tests::next_grapheme_offset ... ok
[INFO] [stdout] test rope::tests::offset_of_line_small ... ok
[INFO] [stdout] test rope::tests::peek_next_codepoint ... ok
[INFO] [stdout] test rope::tests::prev_grapheme_offset ... ok
[INFO] [stdout] test rope::tests::prev_codepoint_offset_small ... ok
[INFO] [stdout] test rope::tests::slice_to_cow_long_string_long_slice ... ok
[INFO] [stdout] test rope::tests::replace_small ... ok
[INFO] [stdout] test rope::tests::utf16_code_units_metric ... ok
[INFO] [stdout] test spans::tests::delete_intersecting_big_at_start ... ok
[INFO] [stdout] test spans::tests::delete_intersecting_empty ... ok
[INFO] [stdout] test spans::tests::test_delete_intersecting ... ok
[INFO] [stdout] test spans::tests::test_merge_2 ... ok
[INFO] [stdout] test tree::test::at_or_next ... ok
[INFO] [stdout] test spans::tests::test_merge ... ok
[INFO] [stdout] test spans::tests::delete_intersecting_big_and_small ... ok
[INFO] [stdout] test rope::tests::slice_to_cow_small_string ... ok
[INFO] [stdout] test tree::test::next_zero_measure_large ... ok
[INFO] [stdout] test tree::test::node_is_empty ... ok
[INFO] [stdout] test find::tests::find_regex_small_casei ... ok
[INFO] [stdout] test engine::tests::edit_rev_bad_delta_len - should panic ... ok
[INFO] [stdout] test tree::test::cursor_next_empty ... ok
[INFO] [stdout] test tree::test::cursor_iter ... ok
[INFO] [stdout] test tree::test::prev_line_small ... ok
[INFO] [stdout] test rope::tests::line_of_offset_panic - should panic ... ok
[INFO] [stdout] test tree::test::cursor_next_misc ... ok
[INFO] [stdout] test multiset::tests::test_mapper_requires_non_decreasing - should panic ... ok
[INFO] [stdout] test rope::tests::offset_of_line_panic - should panic ... ok
[INFO] [stdout] test tree::test::cursor_prev_misc ... ok
[INFO] [stdout] test tree::test::prev_line_large ... ok
[INFO] [stdout] test tree::test::eq_rope_with_stack ... ok
[INFO] [stdout] test tree::test::cursor_next_triangle ... ok
[INFO] [stdout] test rope::tests::append_large ... ok
[INFO] [stderr]    Doc-tests xi-rope
[INFO] [stdout] test rope::tests::next_grapheme_offset_with_ris_of_leaf_boundaries ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 144 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tree.rs:658:52
[INFO] [stderr]     |
[INFO] [stderr] 658 |     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tree.rs:695:52
[INFO] [stderr]     |
[INFO] [stderr] 695 |     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr]     |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/delta.rs - delta::Delta<N>::factor (line 145) - compile ... ok
[INFO] [stdout] test src/delta.rs - delta::Delta<N>::synthesize (line 196) - compile ... ok
[INFO] [stdout] test src/compare.rs - compare::RopeScanner::find_min_diff_range (line 344) ... ok
[INFO] [stdout] test src/compare.rs - compare::RopeScanner::find_ne_char_back (line 216) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node<N>::count (line 430) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope (line 81) ... ok
[INFO] [stdout] test src/compare.rs - compare::RopeScanner::find_ne_char (line 283) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node<N>::count_base_units (line 447) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope (line 70) ... ok
[INFO] [stdout] test src/tree.rs - tree::Cursor::iter (line 751) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d089fdfc7a33ac3ad8b2f407aeeec30e593160140e6707e789e87dc29ecbfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d089fdfc7a33ac3ad8b2f407aeeec30e593160140e6707e789e87dc29ecbfe2", kill_on_drop: false }`
[INFO] [stdout] 8d089fdfc7a33ac3ad8b2f407aeeec30e593160140e6707e789e87dc29ecbfe2