[INFO] fetching crate hecs-hierarchy 0.12.1... [INFO] checking hecs-hierarchy-0.12.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate hecs-hierarchy 0.12.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate hecs-hierarchy 0.12.1 [INFO] finished tweaking crates.io crate hecs-hierarchy 0.12.1 [INFO] tweaked toml for crates.io crate hecs-hierarchy 0.12.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hecs-hierarchy 0.12.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate hecs-hierarchy 0.12.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 842f0a3742984ebea167b32e92b6b4b0f99837b6ace7d280257c87766857c6d6 [INFO] running `Command { std: "docker" "start" "-a" "842f0a3742984ebea167b32e92b6b4b0f99837b6ace7d280257c87766857c6d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "842f0a3742984ebea167b32e92b6b4b0f99837b6ace7d280257c87766857c6d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "842f0a3742984ebea167b32e92b6b4b0f99837b6ace7d280257c87766857c6d6", kill_on_drop: false }` [INFO] [stdout] 842f0a3742984ebea167b32e92b6b4b0f99837b6ace7d280257c87766857c6d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4dda4889532625c84dfda67f31f11033ac5afd65752ff303e3e52f2c4ac43893 [INFO] running `Command { std: "docker" "start" "-a" "4dda4889532625c84dfda67f31f11033ac5afd65752ff303e3e52f2c4ac43893", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.74 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking atomic_refcell v0.1.13 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.46 [INFO] [stderr] Compiling hecs-macros v0.10.0 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Checking hecs v0.10.4 [INFO] [stderr] Checking hecs-schedule v0.7.0 [INFO] [stderr] Checking hecs-hierarchy v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:56:31 [INFO] [stdout] | [INFO] [stdout] 56 | fn children(&self, parent: Entity) -> ChildrenIter; [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 56 | fn children(&self, parent: Entity) -> ChildrenIter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:59:32 [INFO] [stdout] | [INFO] [stdout] 59 | fn ancestors(&self, child: Entity) -> AncestorIter; [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 59 | fn ancestors(&self, child: Entity) -> AncestorIter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:56:31 [INFO] [stdout] | [INFO] [stdout] 56 | fn children(&self, parent: Entity) -> ChildrenIter; [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 56 | fn children(&self, parent: Entity) -> ChildrenIter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:59:32 [INFO] [stdout] | [INFO] [stdout] 59 | fn ancestors(&self, child: Entity) -> AncestorIter; [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 59 | fn ancestors(&self, child: Entity) -> AncestorIter<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:62:46 [INFO] [stdout] | [INFO] [stdout] 62 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator; [INFO] [stdout] | ^^^^^ --------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 62 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 69 | ) -> DepthFirstVisitor; [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 69 | ) -> DepthFirstVisitor<'_, Self, T, F>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:62:46 [INFO] [stdout] | [INFO] [stdout] 62 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator; [INFO] [stdout] | ^^^^^ --------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 62 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 69 | ) -> DepthFirstVisitor; [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 69 | ) -> DepthFirstVisitor<'_, Self, T, F>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 74 | root: Entity, [INFO] [stdout] 75 | ) -> BreadthFirstIterator; [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 75 | ) -> BreadthFirstIterator<'_, Self, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 74 | root: Entity, [INFO] [stdout] 75 | ) -> BreadthFirstIterator; [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 75 | ) -> BreadthFirstIterator<'_, Self, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:78:28 [INFO] [stdout] | [INFO] [stdout] 78 | fn roots(&self) -> Result, &Child>>>; [INFO] [stdout] | ^^^^^ ------------------------------------------- [INFO] [stdout] | | | | | [INFO] [stdout] | | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 78 | fn roots(&self) -> Result, &Child>>>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:219:31 [INFO] [stdout] | [INFO] [stdout] 219 | fn children(&self, parent: Entity) -> ChildrenIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 219 | fn children(&self, parent: Entity) -> ChildrenIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:236:32 [INFO] [stdout] | [INFO] [stdout] 236 | fn ancestors(&self, child: Entity) -> AncestorIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 236 | fn ancestors(&self, child: Entity) -> AncestorIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:240:46 [INFO] [stdout] | [INFO] [stdout] 240 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator { [INFO] [stdout] | ^^^^^ --------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 240 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 247 | root: Entity, [INFO] [stdout] 248 | ) -> BreadthFirstIterator { [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 248 | ) -> BreadthFirstIterator<'_, Self, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 256 | ) -> DepthFirstVisitor { [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 256 | ) -> DepthFirstVisitor<'_, Self, T, F> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:260:28 [INFO] [stdout] | [INFO] [stdout] 260 | fn roots(&self) -> Result, &Child>>> { [INFO] [stdout] | ^^^^^ ------------------------------------------- [INFO] [stdout] | | | | | [INFO] [stdout] | | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 260 | fn roots(&self) -> Result, &Child>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:78:28 [INFO] [stdout] | [INFO] [stdout] 78 | fn roots(&self) -> Result, &Child>>>; [INFO] [stdout] | ^^^^^ ------------------------------------------- [INFO] [stdout] | | | | | [INFO] [stdout] | | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 78 | fn roots(&self) -> Result, &Child>>>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:219:31 [INFO] [stdout] | [INFO] [stdout] 219 | fn children(&self, parent: Entity) -> ChildrenIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 219 | fn children(&self, parent: Entity) -> ChildrenIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:236:32 [INFO] [stdout] | [INFO] [stdout] 236 | fn ancestors(&self, child: Entity) -> AncestorIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 236 | fn ancestors(&self, child: Entity) -> AncestorIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:240:46 [INFO] [stdout] | [INFO] [stdout] 240 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator { [INFO] [stdout] | ^^^^^ --------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 240 | fn descendants_depth_first(&self, root: Entity) -> DepthFirstIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 247 | root: Entity, [INFO] [stdout] 248 | ) -> BreadthFirstIterator { [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 248 | ) -> BreadthFirstIterator<'_, Self, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 256 | ) -> DepthFirstVisitor { [INFO] [stdout] | ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 256 | ) -> DepthFirstVisitor<'_, Self, T, F> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/hierarchy.rs:260:28 [INFO] [stdout] | [INFO] [stdout] 260 | fn roots(&self) -> Result, &Child>>> { [INFO] [stdout] | ^^^^^ ------------------------------------------- [INFO] [stdout] | | | | | [INFO] [stdout] | | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 260 | fn roots(&self) -> Result, &Child>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s [INFO] running `Command { std: "docker" "inspect" "4dda4889532625c84dfda67f31f11033ac5afd65752ff303e3e52f2c4ac43893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dda4889532625c84dfda67f31f11033ac5afd65752ff303e3e52f2c4ac43893", kill_on_drop: false }` [INFO] [stdout] 4dda4889532625c84dfda67f31f11033ac5afd65752ff303e3e52f2c4ac43893