[INFO] fetching crate generic-btree 0.10.7...
[INFO] testing generic-btree-0.10.7 against 1.91.0 for beta-1.92-2
[INFO] extracting crate generic-btree 0.10.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate generic-btree 0.10.7
[INFO] finished tweaking crates.io crate generic-btree 0.10.7
[INFO] tweaked toml for crates.io crate generic-btree 0.10.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate generic-btree 0.10.7 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate generic-btree 0.10.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.52
[INFO] [stderr]   Downloaded equator-macro v0.4.2
[INFO] [stderr]   Downloaded str_indices v0.4.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0502b7de4f486df3062efd1fce830f03fc74c6796412099b93fa20da6f9b185e
[INFO] running `Command { std: "docker" "start" "-a" "0502b7de4f486df3062efd1fce830f03fc74c6796412099b93fa20da6f9b185e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0502b7de4f486df3062efd1fce830f03fc74c6796412099b93fa20da6f9b185e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0502b7de4f486df3062efd1fce830f03fc74c6796412099b93fa20da6f9b185e", kill_on_drop: false }`
[INFO] [stdout] 0502b7de4f486df3062efd1fce830f03fc74c6796412099b93fa20da6f9b185e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef52423df17affac1720a8d92136a5129119e7ce528cde98d4652375ffd262a5
[INFO] running `Command { std: "docker" "start" "-a" "ef52423df17affac1720a8d92136a5129119e7ce528cde98d4652375ffd262a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling arref v0.1.0
[INFO] [stderr]    Compiling loro-thunderdome v0.6.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling generic-btree v0.10.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1612:18
[INFO] [stdout]      |
[INFO] [stdout] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<B> {
[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]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<'_, B> {
[INFO] [stdout]      |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1616:40
[INFO] [stdout]      |
[INFO] [stdout] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<B> {
[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] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<'_, B> {
[INFO] [stdout]      |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:2653:36
[INFO] [stdout]      |
[INFO] [stdout] 2651 |         &'a self,
[INFO] [stdout]      |          -- the lifetime is named here
[INFO] [stdout] 2652 |         mut f: impl FnMut(&B::Cache) -> (bool, R) + 'a,
[INFO] [stdout] 2653 |     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stdout]      |                                    ^^             ^^ the same lifetime is elided here
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    the same 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: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 2653 -     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stdout] 2653 +     ) -> impl Iterator<Item = (R, &'a B::Elem)> + 'a {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iter.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<B> {
[INFO] [stdout]    |                    --                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<'a, B> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "ef52423df17affac1720a8d92136a5129119e7ce528cde98d4652375ffd262a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef52423df17affac1720a8d92136a5129119e7ce528cde98d4652375ffd262a5", kill_on_drop: false }`
[INFO] [stdout] ef52423df17affac1720a8d92136a5129119e7ce528cde98d4652375ffd262a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74b7babbd5e977040b40140ec44036ff32fe7eba26a229b5922c0dea69814991
[INFO] running `Command { std: "docker" "start" "-a" "74b7babbd5e977040b40140ec44036ff32fe7eba26a229b5922c0dea69814991", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling clap_builder v4.5.47
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling gimli v0.31.1
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[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap v4.5.47
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[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling symbolic-demangle v12.16.2
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling symbolic-common v12.16.2
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling pprof v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling equator v0.4.2
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling aligned-vec v0.6.4
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling derive_arbitrary v1.4.2
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling str_indices v0.4.4
[INFO] [stderr]    Compiling jumprope v1.1.2
[INFO] [stderr]    Compiling color-backtrace v0.7.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling generic-btree v0.10.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1612:18
[INFO] [stdout]      |
[INFO] [stdout] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<B> {
[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]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<'_, B> {
[INFO] [stdout]      |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1616:40
[INFO] [stdout]      |
[INFO] [stdout] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<B> {
[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] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<'_, B> {
[INFO] [stdout]      |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:2653:36
[INFO] [stdout]      |
[INFO] [stdout] 2651 |         &'a self,
[INFO] [stdout]      |          -- the lifetime is named here
[INFO] [stdout] 2652 |         mut f: impl FnMut(&B::Cache) -> (bool, R) + 'a,
[INFO] [stdout] 2653 |     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stdout]      |                                    ^^             ^^ the same lifetime is elided here
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    the same 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: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 2653 -     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stdout] 2653 +     ) -> impl Iterator<Item = (R, &'a B::Elem)> + 'a {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iter.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<B> {
[INFO] [stdout]    |                    --                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<'a, B> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1612:18
[INFO] [stdout]      |
[INFO] [stdout] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<B> {
[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]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<'_, B> {
[INFO] [stdout]      |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1616:40
[INFO] [stdout]      |
[INFO] [stdout] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<B> {
[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] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<'_, B> {
[INFO] [stdout]      |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:2653:36
[INFO] [stdout]      |
[INFO] [stdout] 2651 |         &'a self,
[INFO] [stdout]      |          -- the lifetime is named here
[INFO] [stdout] 2652 |         mut f: impl FnMut(&B::Cache) -> (bool, R) + 'a,
[INFO] [stdout] 2653 |     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stdout]      |                                    ^^             ^^ the same lifetime is elided here
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    the same 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: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 2653 -     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stdout] 2653 +     ) -> impl Iterator<Item = (R, &'a B::Elem)> + 'a {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iter.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<B> {
[INFO] [stdout]    |                    --                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<'a, B> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "74b7babbd5e977040b40140ec44036ff32fe7eba26a229b5922c0dea69814991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b7babbd5e977040b40140ec44036ff32fe7eba26a229b5922c0dea69814991", kill_on_drop: false }`
[INFO] [stdout] 74b7babbd5e977040b40140ec44036ff32fe7eba26a229b5922c0dea69814991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8b19e7de3f1dbc5ca7cd513283e4dce479623d81493b89ef976aba2128327a2
[INFO] running `Command { std: "docker" "start" "-a" "d8b19e7de3f1dbc5ca7cd513283e4dce479623d81493b89ef976aba2128327a2", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:1612:18
[INFO] [stderr]      |
[INFO] [stderr] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<B> {
[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]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 1612 |     pub fn drain(&mut self, range: Range<QueryResult>) -> iter::Drain<'_, B> {
[INFO] [stderr]      |                                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:1616:40
[INFO] [stderr]      |
[INFO] [stderr] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<B> {
[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] 1616 |     pub fn drain_by_query<Q: Query<B>>(&mut self, range: Range<Q::QueryArg>) -> iter::Drain<'_, B> {
[INFO] [stderr]      |                                                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:2653:36
[INFO] [stderr]      |
[INFO] [stderr] 2651 |         &'a self,
[INFO] [stderr]      |          -- the lifetime is named here
[INFO] [stderr] 2652 |         mut f: impl FnMut(&B::Cache) -> (bool, R) + 'a,
[INFO] [stderr] 2653 |     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stderr]      |                                    ^^             ^^ the same lifetime is elided here
[INFO] [stderr]      |                                    |
[INFO] [stderr]      |                                    the same 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: consistently use `'a`
[INFO] [stderr]      |
[INFO] [stderr] 2653 -     ) -> impl Iterator<Item = (R, &'_ B::Elem)> + '_ {
[INFO] [stderr] 2653 +     ) -> impl Iterator<Item = (R, &'a B::Elem)> + 'a {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/iter.rs:87:40
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<B> {
[INFO] [stderr]    |                    --                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn none(tree: &'a mut BTree<B>) -> Drain<'a, B> {
[INFO] [stderr]    |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `generic-btree` (lib) generated 4 warnings (run `cargo fix --lib -p generic-btree` to apply 4 suggestions)
[INFO] [stderr] warning: `generic-btree` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/generic_btree-927784c6b9caccf1)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test generic_impl::ord::test::depth_test ... ignored
[INFO] [stdout] test generic_impl::gap_buffer::test::basic ... ok
[INFO] [stdout] test generic_impl::gap_buffer::test::slice ... ok
[INFO] [stdout] test generic_impl::ord::test::test_delete ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_0 ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_1 ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_2 ... ok
[INFO] [stdout] test generic_impl::ord::test::test ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_4 ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_5 ... ok
[INFO] [stdout] test generic_impl::rope::test::ben ... ok
[INFO] [stdout] test generic_impl::ord::test::test_compare_pos ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_empty ... ok
[INFO] [stdout] test generic_impl::rope::test::test ... ok
[INFO] [stdout] test generic_impl::rope::test::test_clear ... ok
[INFO] [stdout] test generic_impl::rope::test::test_delete_middle ... ok
[INFO] [stdout] test generic_impl::ord::test::move_event_test::test ... ok
[INFO] [stdout] test generic_impl::rope::test::test_insert_repeatedly ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_3 ... ok
[INFO] [stdout] test generic_impl::rope::test::test_update ... ignored
[INFO] [stdout] test generic_impl::rope::test::test_update_1 ... ignored
[INFO] [stdout] test generic_impl::rope::test::from_str ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_7 ... ok
[INFO] [stdout] test generic_impl::rope::test::fuzz_6 ... ok
[INFO] [stdout] test generic_impl::rope::test::test_repeat_insert ... ok
[INFO] [stdout] test generic_impl::rope::test::test_insert_many ... ok
[INFO] [stdout] test generic_impl::rope::test::from_iter ... ok
[INFO] [stdout] test generic_impl::rope::test::drain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generic_btree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8b19e7de3f1dbc5ca7cd513283e4dce479623d81493b89ef976aba2128327a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b19e7de3f1dbc5ca7cd513283e4dce479623d81493b89ef976aba2128327a2", kill_on_drop: false }`
[INFO] [stdout] d8b19e7de3f1dbc5ca7cd513283e4dce479623d81493b89ef976aba2128327a2
