[INFO] cloning repository https://github.com/mr-adult/tree-iterators-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mr-adult/tree-iterators-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-adult%2Ftree-iterators-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-adult%2Ftree-iterators-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dca79dde1013ed07523bc3804b0dab4c5e153ae8 [INFO] checking mr-adult/tree-iterators-rs against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-adult%2Ftree-iterators-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mr-adult/tree-iterators-rs on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mr-adult/tree-iterators-rs [INFO] finished tweaking git repo https://github.com/mr-adult/tree-iterators-rs [INFO] tweaked toml for git repo https://github.com/mr-adult/tree-iterators-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mr-adult/tree-iterators-rs 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0303f7eff12ccec3427a36f6ceb1f63445fedd309f60f6c5d7076c4d6788a43a [INFO] running `Command { std: "docker" "start" "-a" "0303f7eff12ccec3427a36f6ceb1f63445fedd309f60f6c5d7076c4d6788a43a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0303f7eff12ccec3427a36f6ceb1f63445fedd309f60f6c5d7076c4d6788a43a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0303f7eff12ccec3427a36f6ceb1f63445fedd309f60f6c5d7076c4d6788a43a", kill_on_drop: false }` [INFO] [stdout] 0303f7eff12ccec3427a36f6ceb1f63445fedd309f60f6c5d7076c4d6788a43a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8d57e1f0197f9e741ce0aa217f2fb2e0b2a15df7a45d6fc2f7bf32ef6fe2dec [INFO] running `Command { std: "docker" "start" "-a" "d8d57e1f0197f9e741ce0aa217f2fb2e0b2a15df7a45d6fc2f7bf32ef6fe2dec", kill_on_drop: false }` [INFO] [stderr] Checking streaming-iterator v0.1.9 [INFO] [stderr] Checking tree_iterators_rs v3.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_inorder_iterators/borrow.rs:121:30 [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) fn new(root: &'a Node) -> BorrowedDFSInorderIteratorWithAncestors { [INFO] [stdout] | ^^ --------------------------------------------- the lifetime gets resolved as `'a` [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 consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) fn new(root: &'a Node) -> BorrowedDFSInorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_inorder_iterators/borrow.rs:183:16 [INFO] [stdout] | [INFO] [stdout] 183 | root: &'a Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 184 | path: Vec, [INFO] [stdout] 185 | ) -> BorrowedDFSInorderIteratorWithContext { [INFO] [stdout] | ------------------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 185 | ) -> BorrowedDFSInorderIteratorWithContext<'a, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_inorder_iterators/mut_borrow.rs:195:16 [INFO] [stdout] | [INFO] [stdout] 195 | root: &'a mut Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 196 | path: Vec, [INFO] [stdout] 197 | ) -> MutBorrowedDFSInorderIteratorWithContext { [INFO] [stdout] | ---------------------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 197 | ) -> MutBorrowedDFSInorderIteratorWithContext<'a, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:119:19 [INFO] [stdout] | [INFO] [stdout] 119 | fn new(root: &'a Node, path: Vec) -> BorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 119 - fn new(root: &'a Node, path: Vec) -> BorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 119 + fn new(root: &'a Node, path: Vec) -> BorrowedDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:214:19 [INFO] [stdout] | [INFO] [stdout] 214 | fn new(root: &'a Node) -> BorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 214 - fn new(root: &'a Node) -> BorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 214 + fn new(root: &'a Node) -> BorrowedDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:345:19 [INFO] [stdout] | [INFO] [stdout] 345 | fn new(root: &'a Node) -> BorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 345 - fn new(root: &'a Node) -> BorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 345 + fn new(root: &'a Node) -> BorrowedBinaryDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:390:16 [INFO] [stdout] | [INFO] [stdout] 390 | root: &'a Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 391 | path: Vec, [INFO] [stdout] 392 | ) -> BorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 392 - ) -> BorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 392 + ) -> BorrowedBinaryDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:124:16 [INFO] [stdout] | [INFO] [stdout] 124 | root: &'a mut Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 125 | path: Vec, [INFO] [stdout] 126 | ) -> MutBorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 126 - ) -> MutBorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 126 + ) -> MutBorrowedDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:229:19 [INFO] [stdout] | [INFO] [stdout] 229 | fn new(root: &'a mut Node) -> MutBorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 229 - fn new(root: &'a mut Node) -> MutBorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 229 + fn new(root: &'a mut Node) -> MutBorrowedDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:367:19 [INFO] [stdout] | [INFO] [stdout] 367 | fn new(root: &'a mut Node) -> MutBorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 367 - fn new(root: &'a mut Node) -> MutBorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 367 + fn new(root: &'a mut Node) -> MutBorrowedBinaryDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:421:16 [INFO] [stdout] | [INFO] [stdout] 421 | root: &'a mut Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 422 | path: Vec, [INFO] [stdout] 423 | ) -> MutBorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 423 - ) -> MutBorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 423 + ) -> MutBorrowedBinaryDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1169:22 [INFO] [stdout] | [INFO] [stdout] 1169 | fn bfs_iter_mut(&'a mut self) -> MutBorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1169 - fn bfs_iter_mut(&'a mut self) -> MutBorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] 1169 + fn bfs_iter_mut(&'a mut self) -> MutBorrowedBinaryBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1201:31 [INFO] [stdout] | [INFO] [stdout] 1201 | fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1201 - fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] 1201 + fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1234:30 [INFO] [stdout] | [INFO] [stdout] 1234 | fn dfs_inorder_iter_mut(&'a mut self) -> MutBorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1234 - fn dfs_inorder_iter_mut(&'a mut self) -> MutBorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] 1234 + fn dfs_inorder_iter_mut(&'a mut self) -> MutBorrowedDFSInorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1270:32 [INFO] [stdout] | [INFO] [stdout] 1270 | fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1270 - fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] 1270 + fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1646:22 [INFO] [stdout] | [INFO] [stdout] 1646 | fn bfs_iter_mut(&'a mut self) -> MutBorrowedBFSIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1646 - fn bfs_iter_mut(&'a mut self) -> MutBorrowedBFSIterator<'_, Self> { [INFO] [stdout] 1646 + fn bfs_iter_mut(&'a mut self) -> MutBorrowedBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1678:31 [INFO] [stdout] | [INFO] [stdout] 1678 | fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1678 - fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] 1678 + fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1714:32 [INFO] [stdout] | [INFO] [stdout] 1714 | fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1714 - fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] 1714 + fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2093:18 [INFO] [stdout] | [INFO] [stdout] 2093 | fn bfs_iter(&'a self) -> BorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2093 - fn bfs_iter(&'a self) -> BorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] 2093 + fn bfs_iter(&'a self) -> BorrowedBinaryBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2125:27 [INFO] [stdout] | [INFO] [stdout] 2125 | fn dfs_preorder_iter(&'a self) -> BorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2125 - fn dfs_preorder_iter(&'a self) -> BorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] 2125 + fn dfs_preorder_iter(&'a self) -> BorrowedBinaryDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2158:26 [INFO] [stdout] | [INFO] [stdout] 2158 | fn dfs_inorder_iter(&'a self) -> BorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2158 - fn dfs_inorder_iter(&'a self) -> BorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] 2158 + fn dfs_inorder_iter(&'a self) -> BorrowedDFSInorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2194:28 [INFO] [stdout] | [INFO] [stdout] 2194 | fn dfs_postorder_iter(&'a self) -> BorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2194 - fn dfs_postorder_iter(&'a self) -> BorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] 2194 + fn dfs_postorder_iter(&'a self) -> BorrowedBinaryDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2567:18 [INFO] [stdout] | [INFO] [stdout] 2567 | fn bfs_iter(&'a self) -> BorrowedBFSIterator<'_, Self> { [INFO] [stdout] | ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2567 - fn bfs_iter(&'a self) -> BorrowedBFSIterator<'_, Self> { [INFO] [stdout] 2567 + fn bfs_iter(&'a self) -> BorrowedBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2599:27 [INFO] [stdout] | [INFO] [stdout] 2599 | fn dfs_preorder_iter(&'a self) -> BorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2599 - fn dfs_preorder_iter(&'a self) -> BorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] 2599 + fn dfs_preorder_iter(&'a self) -> BorrowedDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2635:28 [INFO] [stdout] | [INFO] [stdout] 2635 | fn dfs_postorder_iter(&'a self) -> BorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2635 - fn dfs_postorder_iter(&'a self) -> BorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] 2635 + fn dfs_postorder_iter(&'a self) -> BorrowedDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_inorder_iterators/borrow.rs:121:30 [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) fn new(root: &'a Node) -> BorrowedDFSInorderIteratorWithAncestors { [INFO] [stdout] | ^^ --------------------------------------------- the lifetime gets resolved as `'a` [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 consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) fn new(root: &'a Node) -> BorrowedDFSInorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_inorder_iterators/borrow.rs:183:16 [INFO] [stdout] | [INFO] [stdout] 183 | root: &'a Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 184 | path: Vec, [INFO] [stdout] 185 | ) -> BorrowedDFSInorderIteratorWithContext { [INFO] [stdout] | ------------------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 185 | ) -> BorrowedDFSInorderIteratorWithContext<'a, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_inorder_iterators/mut_borrow.rs:195:16 [INFO] [stdout] | [INFO] [stdout] 195 | root: &'a mut Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 196 | path: Vec, [INFO] [stdout] 197 | ) -> MutBorrowedDFSInorderIteratorWithContext { [INFO] [stdout] | ---------------------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 197 | ) -> MutBorrowedDFSInorderIteratorWithContext<'a, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:119:19 [INFO] [stdout] | [INFO] [stdout] 119 | fn new(root: &'a Node, path: Vec) -> BorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 119 - fn new(root: &'a Node, path: Vec) -> BorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 119 + fn new(root: &'a Node, path: Vec) -> BorrowedDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:214:19 [INFO] [stdout] | [INFO] [stdout] 214 | fn new(root: &'a Node) -> BorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 214 - fn new(root: &'a Node) -> BorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 214 + fn new(root: &'a Node) -> BorrowedDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:345:19 [INFO] [stdout] | [INFO] [stdout] 345 | fn new(root: &'a Node) -> BorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 345 - fn new(root: &'a Node) -> BorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 345 + fn new(root: &'a Node) -> BorrowedBinaryDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/borrow.rs:390:16 [INFO] [stdout] | [INFO] [stdout] 390 | root: &'a Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 391 | path: Vec, [INFO] [stdout] 392 | ) -> BorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 392 - ) -> BorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 392 + ) -> BorrowedBinaryDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:124:16 [INFO] [stdout] | [INFO] [stdout] 124 | root: &'a mut Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 125 | path: Vec, [INFO] [stdout] 126 | ) -> MutBorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 126 - ) -> MutBorrowedDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 126 + ) -> MutBorrowedDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:229:19 [INFO] [stdout] | [INFO] [stdout] 229 | fn new(root: &'a mut Node) -> MutBorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 229 - fn new(root: &'a mut Node) -> MutBorrowedDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 229 + fn new(root: &'a mut Node) -> MutBorrowedDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:367:19 [INFO] [stdout] | [INFO] [stdout] 367 | fn new(root: &'a mut Node) -> MutBorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 367 - fn new(root: &'a mut Node) -> MutBorrowedBinaryDFSPostorderIteratorWithAncestors<'_, Node> { [INFO] [stdout] 367 + fn new(root: &'a mut Node) -> MutBorrowedBinaryDFSPostorderIteratorWithAncestors<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dfs_postorder_iterators/mut_borrow.rs:421:16 [INFO] [stdout] | [INFO] [stdout] 421 | root: &'a mut Node, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 422 | path: Vec, [INFO] [stdout] 423 | ) -> MutBorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 423 - ) -> MutBorrowedBinaryDFSPostorderIteratorWithContext<'_, Node> { [INFO] [stdout] 423 + ) -> MutBorrowedBinaryDFSPostorderIteratorWithContext<'a, Node> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1169:22 [INFO] [stdout] | [INFO] [stdout] 1169 | fn bfs_iter_mut(&'a mut self) -> MutBorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1169 - fn bfs_iter_mut(&'a mut self) -> MutBorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] 1169 + fn bfs_iter_mut(&'a mut self) -> MutBorrowedBinaryBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1201:31 [INFO] [stdout] | [INFO] [stdout] 1201 | fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1201 - fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] 1201 + fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1234:30 [INFO] [stdout] | [INFO] [stdout] 1234 | fn dfs_inorder_iter_mut(&'a mut self) -> MutBorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1234 - fn dfs_inorder_iter_mut(&'a mut self) -> MutBorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] 1234 + fn dfs_inorder_iter_mut(&'a mut self) -> MutBorrowedDFSInorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1270:32 [INFO] [stdout] | [INFO] [stdout] 1270 | fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1270 - fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] 1270 + fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedBinaryDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1646:22 [INFO] [stdout] | [INFO] [stdout] 1646 | fn bfs_iter_mut(&'a mut self) -> MutBorrowedBFSIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1646 - fn bfs_iter_mut(&'a mut self) -> MutBorrowedBFSIterator<'_, Self> { [INFO] [stdout] 1646 + fn bfs_iter_mut(&'a mut self) -> MutBorrowedBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1678:31 [INFO] [stdout] | [INFO] [stdout] 1678 | fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1678 - fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] 1678 + fn dfs_preorder_iter_mut(&'a mut self) -> MutBorrowedDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:1714:32 [INFO] [stdout] | [INFO] [stdout] 1714 | fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 1714 - fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] 1714 + fn dfs_postorder_iter_mut(&'a mut self) -> MutBorrowedDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2093:18 [INFO] [stdout] | [INFO] [stdout] 2093 | fn bfs_iter(&'a self) -> BorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2093 - fn bfs_iter(&'a self) -> BorrowedBinaryBFSIterator<'_, Self> { [INFO] [stdout] 2093 + fn bfs_iter(&'a self) -> BorrowedBinaryBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2125:27 [INFO] [stdout] | [INFO] [stdout] 2125 | fn dfs_preorder_iter(&'a self) -> BorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2125 - fn dfs_preorder_iter(&'a self) -> BorrowedBinaryDFSPreorderIterator<'_, Self> { [INFO] [stdout] 2125 + fn dfs_preorder_iter(&'a self) -> BorrowedBinaryDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2158:26 [INFO] [stdout] | [INFO] [stdout] 2158 | fn dfs_inorder_iter(&'a self) -> BorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2158 - fn dfs_inorder_iter(&'a self) -> BorrowedDFSInorderIterator<'_, Self> { [INFO] [stdout] 2158 + fn dfs_inorder_iter(&'a self) -> BorrowedDFSInorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2194:28 [INFO] [stdout] | [INFO] [stdout] 2194 | fn dfs_postorder_iter(&'a self) -> BorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2194 - fn dfs_postorder_iter(&'a self) -> BorrowedBinaryDFSPostorderIterator<'_, Self> { [INFO] [stdout] 2194 + fn dfs_postorder_iter(&'a self) -> BorrowedBinaryDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2567:18 [INFO] [stdout] | [INFO] [stdout] 2567 | fn bfs_iter(&'a self) -> BorrowedBFSIterator<'_, Self> { [INFO] [stdout] | ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2567 - fn bfs_iter(&'a self) -> BorrowedBFSIterator<'_, Self> { [INFO] [stdout] 2567 + fn bfs_iter(&'a self) -> BorrowedBFSIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2599:27 [INFO] [stdout] | [INFO] [stdout] 2599 | fn dfs_preorder_iter(&'a self) -> BorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2599 - fn dfs_preorder_iter(&'a self) -> BorrowedDFSPreorderIterator<'_, Self> { [INFO] [stdout] 2599 + fn dfs_preorder_iter(&'a self) -> BorrowedDFSPreorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/prelude.rs:2635:28 [INFO] [stdout] | [INFO] [stdout] 2635 | fn dfs_postorder_iter(&'a self) -> BorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 2635 - fn dfs_postorder_iter(&'a self) -> BorrowedDFSPostorderIterator<'_, Self> { [INFO] [stdout] 2635 + fn dfs_postorder_iter(&'a self) -> BorrowedDFSPostorderIterator<'a, Self> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s [INFO] running `Command { std: "docker" "inspect" "d8d57e1f0197f9e741ce0aa217f2fb2e0b2a15df7a45d6fc2f7bf32ef6fe2dec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8d57e1f0197f9e741ce0aa217f2fb2e0b2a15df7a45d6fc2f7bf32ef6fe2dec", kill_on_drop: false }` [INFO] [stdout] d8d57e1f0197f9e741ce0aa217f2fb2e0b2a15df7a45d6fc2f7bf32ef6fe2dec