[INFO] fetching crate xi-rope 0.3.0...
[INFO] testing xi-rope-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate xi-rope 0.3.0 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xi-rope 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding bytecount v0.5.1 (available: v0.6.9)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 921da5190f16f0b23cf1b4520d9edfef2dcd1468d2d3b9667b0db547cc6d07df
[INFO] running `Command { std: "docker" "start" "-a" "921da5190f16f0b23cf1b4520d9edfef2dcd1468d2d3b9667b0db547cc6d07df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921da5190f16f0b23cf1b4520d9edfef2dcd1468d2d3b9667b0db547cc6d07df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921da5190f16f0b23cf1b4520d9edfef2dcd1468d2d3b9667b0db547cc6d07df", kill_on_drop: false }`
[INFO] [stdout] 921da5190f16f0b23cf1b4520d9edfef2dcd1468d2d3b9667b0db547cc6d07df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e0d312b60a059c57c5344ee0f4a55748084c09acc3f705c98c036ec308d9ee3
[INFO] running `Command { std: "docker" "start" "-a" "7e0d312b60a059c57c5344ee0f4a55748084c09acc3f705c98c036ec308d9ee3", 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 match arm expression
[INFO] [stdout]    --> src/multiset.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout]     |                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout] 120 +             CountMatcher::Zero => seg.count == 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:121:38
[INFO] [stdout]     |
[INFO] [stdout] 121 |             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout]     |                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout] 121 +             CountMatcher::NonZero => seg.count != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/tree.rs:255:45
[INFO] [stdout]     |
[INFO] [stdout] 255 |             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout]     |                                             ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout] 255 +             NodeVal::Internal(ref nodes) => nodes.len() >= MIN_CHILDREN,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 658 -     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 658 +     pub fn prev<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     |
[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]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 695 -     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 695 +     pub fn next<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:227:24
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct LinesMetric(usize); // number of lines
[INFO] [stdout]     |            ----------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `LinesMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:276:33
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct Utf16CodeUnitsMetric(usize);
[INFO] [stdout]     |            -------------------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Utf16CodeUnitsMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/delta.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn iter_inserts(&self) -> InsertsIter<N> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn iter_inserts(&self) -> InsertsIter<'_, N> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/delta.rs:330:27
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<N> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<'_, N> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:249:37
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stdout]     |                                     ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:255:40
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<Subset> {
[INFO] [stdout]     |                                        ^^^^^ the lifetime is elided here               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:295:41
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stdout]     |                                         ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:291:23
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter {
[INFO] [stdout]     |                       ^^^^^                            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:297:28
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn complement_iter(&self) -> RangeIter {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn complement_iter(&self) -> RangeIter<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:334:19
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper {
[INFO] [stdout]     |                   ^^^^^                            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:499:43
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stdout]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw {
[INFO] [stdout]     |                                         ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw<'_> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:524:37
[INFO] [stdout]     |
[INFO] [stdout] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines {
[INFO] [stdout]     |                                     ^^^^^               ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:535:44
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<str> {
[INFO] [stdout]     |                                            ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/spans.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn iter(&self) -> SpanIter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn iter(&self) -> SpanIter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "7e0d312b60a059c57c5344ee0f4a55748084c09acc3f705c98c036ec308d9ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0d312b60a059c57c5344ee0f4a55748084c09acc3f705c98c036ec308d9ee3", kill_on_drop: false }`
[INFO] [stdout] 7e0d312b60a059c57c5344ee0f4a55748084c09acc3f705c98c036ec308d9ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9ec4200e9daa422ae794ceb67e9c020e6a4887a7b6bad4cd7867e7cb68b0672a
[INFO] running `Command { std: "docker" "start" "-a" "9ec4200e9daa422ae794ceb67e9c020e6a4887a7b6bad4cd7867e7cb68b0672a", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout]     |                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout] 120 +             CountMatcher::Zero => seg.count == 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:121:38
[INFO] [stdout]     |
[INFO] [stdout] 121 |             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout]     |                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout] 121 +             CountMatcher::NonZero => seg.count != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/tree.rs:255:45
[INFO] [stdout]     |
[INFO] [stdout] 255 |             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout]     |                                             ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout] 255 +             NodeVal::Internal(ref nodes) => nodes.len() >= MIN_CHILDREN,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 658 -     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 658 +     pub fn prev<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     |
[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]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 695 -     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 695 +     pub fn next<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:227:24
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct LinesMetric(usize); // number of lines
[INFO] [stdout]     |            ----------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `LinesMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:276:33
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct Utf16CodeUnitsMetric(usize);
[INFO] [stdout]     |            -------------------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Utf16CodeUnitsMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/delta.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn iter_inserts(&self) -> InsertsIter<N> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn iter_inserts(&self) -> InsertsIter<'_, N> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/delta.rs:330:27
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<N> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<'_, N> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:249:37
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stdout]     |                                     ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:255:40
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<Subset> {
[INFO] [stdout]     |                                        ^^^^^ the lifetime is elided here               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:295:41
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stdout]     |                                         ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:291:23
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter {
[INFO] [stdout]     |                       ^^^^^                            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:297:28
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn complement_iter(&self) -> RangeIter {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn complement_iter(&self) -> RangeIter<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:334:19
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper {
[INFO] [stdout]     |                   ^^^^^                            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:499:43
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stdout]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw {
[INFO] [stdout]     |                                         ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw<'_> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:524:37
[INFO] [stdout]     |
[INFO] [stdout] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines {
[INFO] [stdout]     |                                     ^^^^^               ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:535:44
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<str> {
[INFO] [stdout]     |                                            ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/spans.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn iter(&self) -> SpanIter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn iter(&self) -> SpanIter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xi-rope v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout]     |                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout] 120 +             CountMatcher::Zero => seg.count == 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:121:38
[INFO] [stdout]     |
[INFO] [stdout] 121 |             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout]     |                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout] 121 +             CountMatcher::NonZero => seg.count != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/tree.rs:255:45
[INFO] [stdout]     |
[INFO] [stdout] 255 |             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout]     |                                             ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout] 255 +             NodeVal::Internal(ref nodes) => nodes.len() >= MIN_CHILDREN,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 658 -     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 658 +     pub fn prev<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     |
[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]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 695 -     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 695 +     pub fn next<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:227:24
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct LinesMetric(usize); // number of lines
[INFO] [stdout]     |            ----------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `LinesMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:276:33
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct Utf16CodeUnitsMetric(usize);
[INFO] [stdout]     |            -------------------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Utf16CodeUnitsMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/delta.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn iter_inserts(&self) -> InsertsIter<N> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn iter_inserts(&self) -> InsertsIter<'_, N> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/delta.rs:330:27
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<N> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<'_, N> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:249:37
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stdout]     |                                     ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:255:40
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<Subset> {
[INFO] [stdout]     |                                        ^^^^^ the lifetime is elided here               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/engine.rs:295:41
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stdout]     |                                         ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:291:23
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter {
[INFO] [stdout]     |                       ^^^^^                            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:297:28
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn complement_iter(&self) -> RangeIter {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn complement_iter(&self) -> RangeIter<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multiset.rs:334:19
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper {
[INFO] [stdout]     |                   ^^^^^                            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:499:43
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stdout]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw {
[INFO] [stdout]     |                                         ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw<'_> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:524:37
[INFO] [stdout]     |
[INFO] [stdout] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines {
[INFO] [stdout]     |                                     ^^^^^               ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rope.rs:535:44
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<str> {
[INFO] [stdout]     |                                            ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/spans.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn iter(&self) -> SpanIter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn iter(&self) -> SpanIter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "9ec4200e9daa422ae794ceb67e9c020e6a4887a7b6bad4cd7867e7cb68b0672a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec4200e9daa422ae794ceb67e9c020e6a4887a7b6bad4cd7867e7cb68b0672a", kill_on_drop: false }`
[INFO] [stdout] 9ec4200e9daa422ae794ceb67e9c020e6a4887a7b6bad4cd7867e7cb68b0672a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ed28842c8bb6f1af8783679acd03e2f46aefdb5def16291b0c20a53b5cca7ec3
[INFO] running `Command { std: "docker" "start" "-a" "ed28842c8bb6f1af8783679acd03e2f46aefdb5def16291b0c20a53b5cca7ec3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/multiset.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 |             CountMatcher::Zero => (seg.count == 0),
[INFO] [stderr]     |                                   ^              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 120 -             CountMatcher::Zero => (seg.count == 0),
[INFO] [stderr] 120 +             CountMatcher::Zero => seg.count == 0,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/multiset.rs:121:38
[INFO] [stderr]     |
[INFO] [stderr] 121 |             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stderr]     |                                      ^              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 121 -             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stderr] 121 +             CountMatcher::NonZero => seg.count != 0,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/tree.rs:255:45
[INFO] [stderr]     |
[INFO] [stderr] 255 |             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stderr]     |                                             ^                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 255 -             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stderr] 255 +             NodeVal::Internal(ref nodes) => nodes.len() >= MIN_CHILDREN,
[INFO] [stderr]     |
[INFO] [stderr] 
[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]     |                                                    ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 658 -     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr] 658 +     pub fn prev<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stderr]     |
[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]     |                                                    ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 695 -     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr] 695 +     pub fn next<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/rope.rs:227:24
[INFO] [stderr]     |
[INFO] [stderr] 227 | pub struct LinesMetric(usize); // number of lines
[INFO] [stderr]     |            ----------- ^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `LinesMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/rope.rs:276:33
[INFO] [stderr]     |
[INFO] [stderr] 276 | pub struct Utf16CodeUnitsMetric(usize);
[INFO] [stderr]     |            -------------------- ^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `Utf16CodeUnitsMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/delta.rs:325:25
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn iter_inserts(&self) -> InsertsIter<N> {
[INFO] [stderr]     |                         ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn iter_inserts(&self) -> InsertsIter<'_, N> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/delta.rs:330:27
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<N> {
[INFO] [stderr]     |                           ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn iter_deletions(&self) -> DeletionsIter<'_, N> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/engine.rs:249:37
[INFO] [stderr]     |
[INFO] [stderr] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stderr]     |                                     ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 249 |     fn deletes_from_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stderr]     |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/engine.rs:255:40
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<Subset> {
[INFO] [stderr]     |                                        ^^^^^ the lifetime is elided here               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn deletes_from_union_before_index(&self, rev_index: usize, invert_undos: bool) -> Cow<'_, Subset> {
[INFO] [stderr]     |                                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/engine.rs:295:41
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<Subset> {
[INFO] [stderr]     |                                         ^^^^^                       ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn deletes_from_cur_union_for_index(&self, rev_index: usize) -> Cow<'_, Subset> {
[INFO] [stderr]     |                                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/multiset.rs:291:23
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter {
[INFO] [stderr]     |                       ^^^^^                            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn range_iter(&self, matcher: CountMatcher) -> RangeIter<'_> {
[INFO] [stderr]     |                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/multiset.rs:297:28
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn complement_iter(&self) -> RangeIter {
[INFO] [stderr]     |                            ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn complement_iter(&self) -> RangeIter<'_> {
[INFO] [stderr]     |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/multiset.rs:334:19
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper {
[INFO] [stderr]     |                   ^^^^^                            ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn mapper(&self, matcher: CountMatcher) -> Mapper<'_> {
[INFO] [stderr]     |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rope.rs:499:43
[INFO] [stderr]     |
[INFO] [stderr] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stderr]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 499 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stderr]     |                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rope.rs:510:41
[INFO] [stderr]     |
[INFO] [stderr] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw {
[INFO] [stderr]     |                                         ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 510 |     pub fn lines_raw<T: IntervalBounds>(&self, range: T) -> LinesRaw<'_> {
[INFO] [stderr]     |                                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rope.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines {
[INFO] [stderr]     |                                     ^^^^^               ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 524 |     pub fn lines<T: IntervalBounds>(&self, range: T) -> Lines<'_> {
[INFO] [stderr]     |                                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rope.rs:535:44
[INFO] [stderr]     |
[INFO] [stderr] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<str> {
[INFO] [stderr]     |                                            ^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 535 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, str> {
[INFO] [stderr]     |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/spans.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn iter(&self) -> SpanIter<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn iter(&self) -> SpanIter<'_, T> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `xi-rope` (lib) generated 20 warnings (run `cargo fix --lib -p xi-rope` to apply 18 suggestions)
[INFO] [stderr] warning: `xi-rope` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xi_rope-3ed9c969edce0b8c)
[INFO] [stdout] 
[INFO] [stdout] running 144 tests
[INFO] [stdout] test breaks::tests::concat ... ok
[INFO] [stdout] test breaks::tests::empty ... ok
[INFO] [stdout] test breaks::tests::larger ... ok
[INFO] [stdout] test breaks::tests::default_metric_test ... ok
[INFO] [stdout] test breaks::tests::fromleaf ... ok
[INFO] [stdout] test breaks::tests::one ... ok
[INFO] [stdout] test compare::tests::avx_mask ... ok
[INFO] [stdout] test compare::tests::find_back_utf8 ... ok
[INFO] [stdout] test compare::tests::find_diff_range ... 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_avx ... ok
[INFO] [stdout] test compare::tests::ne_idx_rev_utf8 ... ok
[INFO] [stdout] test compare::tests::ne_len_rev ... ok
[INFO] [stdout] test compare::tests::ne_len_rev_sse ... ok
[INFO] [stdout] test compare::tests::ne_len_simd ... ok
[INFO] [stdout] test compare::tests::ne_rev_regression1 ... ok
[INFO] [stdout] test compare::tests::scan_back_ne_lens ... ok
[INFO] [stdout] test compare::tests::scanner_backward_simple ... ok
[INFO] [stdout] test compare::tests::scanner_back ... ok
[INFO] [stdout] test compare::tests::scanner_forward_simple ... ok
[INFO] [stdout] test delta::tests::fancy_bounds ... ok
[INFO] [stdout] test delta::tests::inserted_subset ... ok
[INFO] [stdout] test delta::tests::as_simple_insert ... ok
[INFO] [stdout] test delta::tests::is_identity ... ok
[INFO] [stdout] test delta::tests::iter_deletions ... ok
[INFO] [stdout] test delta::tests::iter_inserts ... ok
[INFO] [stdout] test delta::tests::simple ... ok
[INFO] [stdout] test delta::tests::synthesize ... ok
[INFO] [stdout] test delta::tests::transform_expand ... ok
[INFO] [stdout] test engine::tests::compute_deltas_1 ... ok
[INFO] [stdout] test delta::tests::transform_shrink ... ok
[INFO] [stdout] test engine::tests::edit_rev_simple ... ok
[INFO] [stdout] test delta::tests::factor ... ok
[INFO] [stdout] test engine::tests::edit_rev_undo ... ok
[INFO] [stdout] test delta::tests::is_simple_delete ... ok
[INFO] [stdout] test engine::tests::find_base_1 ... ok
[INFO] [stdout] test engine::tests::compute_transforms_2 ... ok
[INFO] [stdout] test diff::tests::diff_smoke_test ... ok
[INFO] [stdout] test diff::tests::test_larger_diff ... ok
[INFO] [stdout] test engine::tests::compute_transforms_1 ... ok
[INFO] [stdout] test engine::tests::gc ... ok
[INFO] [stdout] test engine::tests::edit_rev_undo_2 ... ok
[INFO] [stdout] test engine::tests::edit_rev_undo_3 ... ok
[INFO] [stdout] test compare::tests::ne_len ... ok
[INFO] [stdout] test engine::tests::edit_rev_empty ... ok
[INFO] [stdout] test engine::tests::find_common_1 ... ok
[INFO] [stdout] test engine::tests::gc_2 ... ok
[INFO] [stdout] test engine::tests::gc_4 ... ok
[INFO] [stdout] test engine::tests::gc_5 ... ok
[INFO] [stdout] test engine::tests::edit_rev_concurrent ... ok
[INFO] [stdout] test engine::tests::gc_6 ... ok
[INFO] [stdout] test engine::tests::merge_associative ... ok
[INFO] [stdout] test engine::tests::gc_3 ... ok
[INFO] [stdout] test engine::tests::merge_idempotent ... ok
[INFO] [stdout] test engine::tests::merge_max_undo_so_far ... ok
[INFO] [stdout] test engine::tests::merge_insert_only_whiteboard ... ok
[INFO] [stdout] test engine::tests::merge_simple_delete_1 ... ok
[INFO] [stdout] test engine::tests::merge_session_priorities ... ok
[INFO] [stdout] test engine::tests::rearrange_1 ... ok
[INFO] [stdout] test engine::tests::rebase_1 ... ok
[INFO] [stdout] test engine::tests::merge_simple_delete_2 ... ok
[INFO] [stdout] test engine::tests::merge_priorities ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head_missing_token ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head_3 ... ok
[INFO] [stdout] test engine::tests::merge_whiteboard ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head_2 ... ok
[INFO] [stdout] test engine::tests::undo ... ok
[INFO] [stdout] test engine::tests::undo_2 ... ok
[INFO] [stdout] test engine::tests::undo_5 ... ok
[INFO] [stdout] test find::tests::compare_cursor_str_medium ... ok
[INFO] [stdout] test find::tests::compare_cursor_str_small ... ok
[INFO] [stdout] test find::tests::find_casei_0xc4 ... ok
[INFO] [stdout] test find::tests::find_casei_ascii_nonalpha ... ok
[INFO] [stdout] test engine::tests::try_delta_rev_head ... ok
[INFO] [stdout] test engine::tests::undo_3 ... ok
[INFO] [stdout] test engine::tests::undo_4 ... ok
[INFO] [stdout] test find::tests::find_casei_small ... ok
[INFO] [stdout] test find::tests::find_casei_special ... ok
[INFO] [stdout] test find::tests::compare_cursor_regex_singleline ... ok
[INFO] [stdout] test find::tests::find_medium ... ok
[INFO] [stdout] test find::tests::compare_cursor_regex_multiline ... ok
[INFO] [stdout] test find::tests::find_small ... ok
[INFO] [stdout] test interval::tests::after ... ok
[INFO] [stdout] test interval::tests::before ... ok
[INFO] [stdout] test interval::tests::contains ... ok
[INFO] [stdout] test interval::tests::empty ... ok
[INFO] [stdout] test interval::tests::intersect ... ok
[INFO] [stdout] test interval::tests::prefix ... ok
[INFO] [stdout] test interval::tests::size ... ok
[INFO] [stdout] test interval::tests::suffix ... ok
[INFO] [stdout] test interval::tests::translate ... ok
[INFO] [stdout] test multiset::tests::test_apply ... ok
[INFO] [stdout] test multiset::tests::test_complement ... ok
[INFO] [stdout] test multiset::tests::test_find_deletions ... ok
[INFO] [stdout] test multiset::tests::test_mapper ... ok
[INFO] [stdout] test multiset::tests::transform ... ok
[INFO] [stdout] test multiset::tests::union ... ok
[INFO] [stdout] test multiset::tests::trivial ... ok
[INFO] [stdout] test rope::tests::default_metric_test ... ok
[INFO] [stdout] test rope::tests::line_offsets ... ok
[INFO] [stdout] test rope::tests::lines_med ... ok
[INFO] [stdout] test rope::tests::lines_small ... ok
[INFO] [stdout] test rope::tests::next_codepoint_offset_small ... ok
[INFO] [stdout] test rope::tests::next_grapheme_offset ... ok
[INFO] [stdout] test rope::tests::line_of_offset_small ... ok
[INFO] [stdout] test find::tests::find_regex_medium ... ok
[INFO] [stdout] test rope::tests::eq_small ... ok
[INFO] [stdout] test rope::tests::peek_next_codepoint ... ok
[INFO] [stdout] test rope::tests::offset_of_line_small ... ok
[INFO] [stdout] test rope::tests::prev_codepoint_offset_small ... ok
[INFO] [stdout] test rope::tests::prev_grapheme_offset ... ok
[INFO] [stdout] test find::tests::find_regex_small ... ok
[INFO] [stdout] test rope::tests::replace_small ... ok
[INFO] [stdout] test rope::tests::eq_med ... ok
[INFO] [stdout] test rope::tests::slice_to_cow_long_string_long_slice ... ok
[INFO] [stdout] test rope::tests::lines_raw_small ... ok
[INFO] [stdout] test rope::tests::slice_to_cow_long_string_short_slice ... ok
[INFO] [stdout] test rope::tests::slice_to_cow_small_string ... ok
[INFO] [stdout] test rope::tests::utf16_code_units_metric ... ok
[INFO] [stdout] test spans::tests::delete_intersecting_big_and_small ... ok
[INFO] [stdout] test engine::tests::edit_rev_bad_delta_len - should panic ... 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 ... ok
[INFO] [stdout] test multiset::tests::test_mapper_requires_non_decreasing - should panic ... ok
[INFO] [stdout] test spans::tests::test_merge_2 ... ok
[INFO] [stdout] test tree::test::at_or_next ... ok
[INFO] [stdout] test tree::test::cursor_iter ... ok
[INFO] [stdout] test tree::test::cursor_next_empty ... ok
[INFO] [stdout] test rope::tests::offset_of_line_panic - should panic ... ok
[INFO] [stdout] test rope::tests::line_of_offset_panic - should panic ... ok
[INFO] [stdout] test tree::test::next_zero_measure_large ... ok
[INFO] [stdout] test tree::test::node_is_empty ... ok
[INFO] [stdout] test tree::test::prev_line_small ... ok
[INFO] [stdout] test tree::test::cursor_next_misc ... ok
[INFO] [stdout] test tree::test::cursor_prev_misc ... ok
[INFO] [stdout] test find::tests::find_regex_small_casei ... ok
[INFO] [stdout] test tree::test::prev_line_large ... ok
[INFO] [stdout] test tree::test::cursor_next_triangle ... ok
[INFO] [stdout] test rope::tests::append_large ... ok
[INFO] [stdout] test tree::test::eq_rope_with_stack ... ok
[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 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xi_rope
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/multiset.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 |             CountMatcher::Zero => (seg.count == 0),
[INFO] [stderr]     |                                   ^              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 120 -             CountMatcher::Zero => (seg.count == 0),
[INFO] [stderr] 120 +             CountMatcher::Zero => seg.count == 0,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/multiset.rs:121:38
[INFO] [stderr]     |
[INFO] [stderr] 121 |             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stderr]     |                                      ^              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 121 -             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stderr] 121 +             CountMatcher::NonZero => seg.count != 0,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/tree.rs:255:45
[INFO] [stderr]     |
[INFO] [stderr] 255 |             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stderr]     |                                             ^                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 255 -             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stderr] 255 +             NodeVal::Internal(ref nodes) => nodes.len() >= MIN_CHILDREN,
[INFO] [stderr]     |
[INFO] [stderr] 
[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]     |                                                    ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 658 -     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr] 658 +     pub fn prev<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stderr]     |
[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]     |                                                    ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 695 -     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stderr] 695 +     pub fn next<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 5 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/rope.rs - rope::Rope (line 60) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope (line 70) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node<N>::count_base_units (line 447) ... ok
[INFO] [stdout] test src/compare.rs - compare::RopeScanner<'a>::find_ne_char_back (line 216) ... ok
[INFO] [stdout] test src/compare.rs - compare::RopeScanner<'a>::find_ne_char (line 283) ... ok
[INFO] [stdout] test src/compare.rs - compare::RopeScanner<'a>::find_min_diff_range (line 344) ... ok
[INFO] [stdout] test src/tree.rs - tree::Cursor<'a,N>::iter (line 751) ... 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] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed28842c8bb6f1af8783679acd03e2f46aefdb5def16291b0c20a53b5cca7ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed28842c8bb6f1af8783679acd03e2f46aefdb5def16291b0c20a53b5cca7ec3", kill_on_drop: false }`
[INFO] [stdout] ed28842c8bb6f1af8783679acd03e2f46aefdb5def16291b0c20a53b5cca7ec3
