[INFO] fetching crate gctree 0.35.0...
[INFO] checking gctree-0.35.0 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate gctree 0.35.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate gctree 0.35.0
[INFO] finished tweaking crates.io crate gctree 0.35.0
[INFO] tweaked toml for crates.io crate gctree 0.35.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gctree 0.35.0 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gctree 0.35.0 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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab
[INFO] running `Command { std: "docker" "start" "d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking itertools v0.15.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling displaydoc v0.2.6
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking ioe v0.6.0
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking gctree v0.35.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `append_garbage` and `dec_node_count` are never used
[INFO] [stdout]    --> src/new/arena.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout]  60 | / impl<I, N, P, C> Arena<I, N, P, C>
[INFO] [stdout]  61 | | where
[INFO] [stdout]  62 | |     I: NodeIdx,
[INFO] [stdout]  63 | |     N: Default,
[INFO] [stdout]     | |_______________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 211 |       fn append_garbage(&self, nidxs: impl Iterator<Item = I>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |       fn dec_node_count(&self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `BinaryHeap<Garbage<I>>` gctree
[INFO] [stdout]    --> src/new/arena.rs:202:28
[INFO] [stdout]     |
[INFO] [stdout] 202 |           *self._garbage() = nidxs
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 203 | |             .unique()
[INFO] [stdout] 204 | |             .map(Garbage)
[INFO] [stdout] 205 | |             .sorted(/* in ascending order */)
[INFO] [stdout] 206 | |             .collect::<BinaryHeap<_>>()
[INFO] [stdout] 207 | |             .into(/* Refcell<_> */);
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 206 -             .collect::<BinaryHeap<_>>()
[INFO] [stdout] 207 -             .into(/* Refcell<_> */);
[INFO] [stdout] 206 +             .collect::<BinaryHeap<_>>();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 202 ~         *self._garbage() = <BinaryHeap<Garbage<I>> as Into<_>>::into(nidxs
[INFO] [stdout] 203 |             .unique()
[INFO] [stdout] 204 |             .map(Garbage)
[INFO] [stdout] 205 |             .sorted(/* in ascending order */)
[INFO] [stdout] 206 ~             .collect::<BinaryHeap<_>>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gctree` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: methods `append_garbage` and `dec_node_count` are never used
[INFO] [stdout]    --> src/new/arena.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout]  60 | / impl<I, N, P, C> Arena<I, N, P, C>
[INFO] [stdout]  61 | | where
[INFO] [stdout]  62 | |     I: NodeIdx,
[INFO] [stdout]  63 | |     N: Default,
[INFO] [stdout]     | |_______________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 211 |       fn append_garbage(&self, nidxs: impl Iterator<Item = I>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |       fn dec_node_count(&self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `BinaryHeap<new::arena::Garbage<I>>` gctree
[INFO] [stdout]    --> src/new/arena.rs:202:28
[INFO] [stdout]     |
[INFO] [stdout] 202 |           *self._garbage() = nidxs
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 203 | |             .unique()
[INFO] [stdout] 204 | |             .map(Garbage)
[INFO] [stdout] 205 | |             .sorted(/* in ascending order */)
[INFO] [stdout] 206 | |             .collect::<BinaryHeap<_>>()
[INFO] [stdout] 207 | |             .into(/* Refcell<_> */);
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 206 -             .collect::<BinaryHeap<_>>()
[INFO] [stdout] 207 -             .into(/* Refcell<_> */);
[INFO] [stdout] 206 +             .collect::<BinaryHeap<_>>();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 202 ~         *self._garbage() = <BinaryHeap<new::arena::Garbage<I>> as Into<_>>::into(nidxs
[INFO] [stdout] 203 |             .unique()
[INFO] [stdout] 204 |             .map(Garbage)
[INFO] [stdout] 205 |             .sorted(/* in ascending order */)
[INFO] [stdout] 206 ~             .collect::<BinaryHeap<_>>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gctree` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: unused dependency `paste`
[INFO] [stderr]   --> Cargo.toml:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 | [dependencies.paste]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `paste`
[INFO] [stderr] warning: `gctree` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab", kill_on_drop: false }`
[INFO] [stdout] d2daf6b8ea3b72daf835e414999dc51f93326309be1a23beecafe2c689ed90ab
