[INFO] fetching crate tagged-tree 0.4.0... [INFO] checking tagged-tree-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate tagged-tree 0.4.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate tagged-tree 0.4.0 [INFO] finished tweaking crates.io crate tagged-tree 0.4.0 [INFO] tweaked toml for crates.io crate tagged-tree 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tagged-tree 0.4.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 35 packages to latest compatible versions [INFO] [stderr] Adding duplicate v0.3.0 (available: v2.0.0) [INFO] [stderr] Adding heck v0.3.2 (available: v0.3.3) [INFO] [stderr] Adding mockall v0.10.2 (available: v0.13.1) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d95a9a70af7061394ac0cbea68ce4a82cfcb14dcc3ddc327afbd748d132cd81c [INFO] running `Command { std: "docker" "start" "-a" "d95a9a70af7061394ac0cbea68ce4a82cfcb14dcc3ddc327afbd748d132cd81c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d95a9a70af7061394ac0cbea68ce4a82cfcb14dcc3ddc327afbd748d132cd81c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d95a9a70af7061394ac0cbea68ce4a82cfcb14dcc3ddc327afbd748d132cd81c", kill_on_drop: false }` [INFO] [stdout] d95a9a70af7061394ac0cbea68ce4a82cfcb14dcc3ddc327afbd748d132cd81c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9d67635376334aa29cd1694e2cf430ddde66afb2a6fdb5fb1c50bd74f2333b2c [INFO] running `Command { std: "docker" "start" "-a" "9d67635376334aa29cd1694e2cf430ddde66afb2a6fdb5fb1c50bd74f2333b2c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking predicates-core v1.0.9 [INFO] [stderr] Checking fragile v2.0.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking termtree v0.5.1 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Checking downcast v0.10.0 [INFO] [stderr] Checking tagged-tree v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking fragile v1.2.2 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:63:24 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn iter_single(&self) -> btree_map::Iter { [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] 63 | pub fn iter_single(&self) -> btree_map::Iter<'_, K, 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/lib.rs:70:28 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn iter_single_mut(&mut self) -> btree_map::IterMut { [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] 70 | pub fn iter_single_mut(&mut self) -> btree_map::IterMut<'_, K, 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/lib.rs:75:29 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn iter_depth_first(&self) -> DepthFirstIter { [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] 75 | pub fn iter_depth_first(&self) -> DepthFirstIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:80:33 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut { [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] 80 | pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:85:31 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn iter_breadth_first(&self) -> BreadthFirstIter { [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] 85 | pub fn iter_breadth_first(&self) -> BreadthFirstIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:90:35 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut { [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] 90 | pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking predicates-tree v1.0.12 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling mockall_derive v0.10.2 [INFO] [stderr] Compiling duplicate v0.3.0 [INFO] [stderr] Checking mockall v0.10.2 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:63:24 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn iter_single(&self) -> btree_map::Iter { [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] 63 | pub fn iter_single(&self) -> btree_map::Iter<'_, K, 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/lib.rs:70:28 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn iter_single_mut(&mut self) -> btree_map::IterMut { [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] 70 | pub fn iter_single_mut(&mut self) -> btree_map::IterMut<'_, K, 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/lib.rs:75:29 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn iter_depth_first(&self) -> DepthFirstIter { [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] 75 | pub fn iter_depth_first(&self) -> DepthFirstIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:80:33 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut { [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] 80 | pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:85:31 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn iter_breadth_first(&self) -> BreadthFirstIter { [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] 85 | pub fn iter_breadth_first(&self) -> BreadthFirstIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:90:35 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut { [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] 90 | pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s [INFO] running `Command { std: "docker" "inspect" "9d67635376334aa29cd1694e2cf430ddde66afb2a6fdb5fb1c50bd74f2333b2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d67635376334aa29cd1694e2cf430ddde66afb2a6fdb5fb1c50bd74f2333b2c", kill_on_drop: false }` [INFO] [stdout] 9d67635376334aa29cd1694e2cf430ddde66afb2a6fdb5fb1c50bd74f2333b2c