[INFO] fetching crate rusty-dawg 0.2.2...
[INFO] building rusty-dawg-0.2.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rusty-dawg 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rusty-dawg 0.2.2
[INFO] finished tweaking crates.io crate rusty-dawg 0.2.2
[INFO] tweaked toml for crates.io crate rusty-dawg 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-dawg 0.2.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty-dawg 0.2.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: method `add_edge` is never used
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 487 | / impl<N, E, Ix, Mb> AvlGraph<N, E, Ix, Mb>
[INFO] [stdout] 488 | | where
[INFO] [stdout] 489 | |     Mb: MemoryBacking<N, E, Ix>,
[INFO] [stdout] 490 | |     E: Eq + Ord + Copy + Debug,
[INFO] [stdout] 491 | |     N: Weight,
[INFO] [stdout] 492 | |     Ix: IndexType,
[INFO] [stdout]     | |__________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 532 |       fn add_edge(&mut self, a: NodeIndex<Ix>, b: NodeIndex<Ix>, weight: E) -> Option<EdgeIndex<Ix>> {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:459:22
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<N, E, Ix, Mb> {
[INFO] [stdout]     |                      ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<N, E, Ix, Mb> {
[INFO] [stdout]     |                  ^^^^^                           ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TraverseArity` is never constructed
[INFO] [stdout]   --> src/cdawg/traverse_arity.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TraverseArity<Sb> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_ram` is never used
[INFO] [stdout]   --> src/cdawg/traverse_arity.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<Ix> TraverseArity<Vec<Ix>>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     Ix: IndexType + Serialize + for<'de> Deserialize<'de>,
[INFO] [stdout]    | |__________________________________________________________- associated function in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       pub fn new_ram(capacity: usize) -> Self {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_disk` is never used
[INFO] [stdout]   --> src/cdawg/traverse_arity.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | / impl<Ix> TraverseArity<DiskVec<Ix>>
[INFO] [stdout] 34 | | where
[INFO] [stdout] 35 | |     Ix: IndexType + Serialize + for<'de> Deserialize<'de>,
[INFO] [stdout]    | |__________________________________________________________- associated function in this implementation
[INFO] [stdout] 36 |   {
[INFO] [stdout] 37 |       pub fn new_disk<P: AsRef<Path> + std::fmt::Debug>(path: P, capacity: usize) -> Result<Self> {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `traverse_arity` is never used
[INFO] [stdout]   --> src/cdawg/traverse_arity.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<Sb> TraverseArity<Sb> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 47 |     /// DFS implementation of graph traversal.
[INFO] [stdout] 48 |     pub fn traverse_arity<Ix, W, Mb>(&mut self, cdawg: &mut Cdawg<W, Ix, Mb>) -> Vec<usize>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CdawgState` is never constructed
[INFO] [stdout]  --> src/cdawg/cdawg_state.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CdawgState<Ix>
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_state_and_gamma` is never used
[INFO] [stdout]   --> src/cdawg/cdawg_state.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl<Ix> CdawgState<Ix>
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     Ix: IndexType,
[INFO] [stdout]    | |__________________- method in this implementation
[INFO] [stdout] 23 |   {
[INFO] [stdout] 24 |       pub fn get_state_and_gamma(&self) -> (Option<NodeIndex<Ix>>, (usize, usize)) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/cdawg/comparator.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl CdawgComparator {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn new(tokens: Rc<RefCell<dyn TokenBacking<u16>>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/cdawg/inenaga.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | / impl<W, Ix> Cdawg<W, Ix>
[INFO] [stdout] 61 | | where
[INFO] [stdout] 62 | |     Ix: IndexType,
[INFO] [stdout] 63 | |     W: Weight + Serialize + for<'de> Deserialize<'de> + Clone,
[INFO] [stdout]    | |______________________________________________________________- associated function in this implementation
[INFO] [stdout] 64 |   {
[INFO] [stdout] 65 |       pub fn new(tokens: Rc<RefCell<dyn TokenBacking<u16>>>) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/cdawg/inenaga.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | / impl<W, Ix> Cdawg<W, Ix, DiskBacking<W, CdawgEdgeWeight<Ix>, Ix>>
[INFO] [stdout] 72 | | where
[INFO] [stdout] 73 | |     Ix: IndexType + Serialize + for<'de> serde::Deserialize<'de>,
[INFO] [stdout] 74 | |     W: Weight + Copy + Serialize + for<'de> Deserialize<'de> + Clone + Default,
[INFO] [stdout] 75 | |     CdawgEdgeWeight<Ix>: Serialize + for<'de> Deserialize<'de>,
[INFO] [stdout]    | |_______________________________________________________________- associated function in this implementation
[INFO] [stdout] 76 |   {
[INFO] [stdout] 77 |       pub fn load<P: AsRef<Path> + Clone + std::fmt::Debug>(
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/cdawg/inenaga.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | / impl<W, Ix, Mb> Cdawg<W, Ix, Mb>
[INFO] [stdout] 111 | | where
[INFO] [stdout] 112 | |     Ix: IndexType,
[INFO] [stdout] 113 | |     W: Weight + Serialize + for<'de> Deserialize<'de> + Clone,
[INFO] [stdout] 114 | |     Mb: MemoryBacking<W, CdawgEdgeWeight<Ix>, Ix>,
[INFO] [stdout] 115 | |     Mb::EdgeRef: Copy,
[INFO] [stdout]     | |______________________- associated items in this implementation
[INFO] [stdout] 116 |   {
[INFO] [stdout] 117 |       pub fn new_mb(tokens: Rc<RefCell<dyn TokenBacking<u16>>>, mb: Mb) -> Cdawg<W, Ix, Mb> {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |       pub fn build(&mut self) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 578 |       pub fn get_initial(&self) -> CdawgState<Ix> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 590 |       pub fn transition_and_count(&self, mut cs: CdawgState<Ix>, token: u16) -> CdawgState<Ix> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 626 |       fn inference_canonize(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 675 |       pub fn implicitly_fail(&self, state: NodeIndex<Ix>, gamma: (usize, usize)) -> CdawgState<Ix> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 744 |       pub fn get_suffix_count(&self, cs: CdawgState<Ix>) -> usize {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 749 |       pub fn get_entropy(&self, cs: CdawgState<Ix>) -> f64 {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 765 |       pub fn get_next_tokens(&self, cs: CdawgState<Ix>) -> Vec<(u16, f64)> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load_json` is never used
[INFO] [stdout]   --> src/cdawg/metadata.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl CdawgMetadata {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 16 |     pub fn load_json<P: AsRef<Path>>(file_path: P) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `is_empty` are never used
[INFO] [stdout]   --> src/cdawg/token_backing.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait TokenBacking<T> {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout]  9 |     fn len(&self) -> usize;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/dawg/mod.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | / impl<E, W> Dawg<E, W, DefaultIx, DiskBacking<W, E, DefaultIx>>
[INFO] [stdout] 59 | | where
[INFO] [stdout] 60 | |     E: Eq + Ord + Copy + Debug + Serialize + DeserializeOwned + Default,
[INFO] [stdout] 61 | |     W: Weight + Copy + Clone + Serialize + DeserializeOwned + Default,
[INFO] [stdout]    | |______________________________________________________________________- associated function in this implementation
[INFO] [stdout] 62 |   {
[INFO] [stdout] 63 |       pub fn load<P: AsRef<Path> + Clone + std::fmt::Debug>(
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `build`, `recompute_lengths`, `get_length`, and `get_max_factor_length` are never used
[INFO] [stdout]    --> src/dawg/mod.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout]  76 | / impl<E, W, Mb> Dawg<E, W, DefaultIx, Mb>
[INFO] [stdout]  77 | | where
[INFO] [stdout]  78 | |     E: Eq + Ord + Serialize + for<'de> Deserialize<'de> + Copy + Debug,
[INFO] [stdout]  79 | |     W: Weight + Serialize + for<'de> Deserialize<'de> + Clone,
[INFO] [stdout]  80 | |     Mb: MemoryBacking<W, E, DefaultIx>,
[INFO] [stdout]  81 | |     Mb::EdgeRef: Copy,
[INFO] [stdout]     | |______________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |       pub fn build(&mut self, text: &[E]) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |       pub fn recompute_lengths(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |       pub fn get_length(&self, mut state: NodeIndex) -> u64 {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 334 |       pub fn get_max_factor_length(&self, query: Vec<E>) -> u64 {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/evaluator.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<E> Evaluator<'_, E>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     E: Eq + Ord + serde::Serialize + Copy + Debug,
[INFO] [stdout]    | |__________________________________________________- method in this implementation
[INFO] [stdout] 32 |   {
[INFO] [stdout] 33 |       pub fn get(&self, key: &str) -> &Vec<f64> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/graph/avl_graph/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | / impl<N, E, Ix> AvlGraph<N, E, Ix>
[INFO] [stdout] 47 | | where
[INFO] [stdout] 48 | |     E: Copy + Debug,
[INFO] [stdout] 49 | |     Ix: IndexType,
[INFO] [stdout] 50 | |     N: Weight + Clone,
[INFO] [stdout]    | |______________________- associated function in this implementation
[INFO] [stdout] 51 |   {
[INFO] [stdout] 52 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/graph/avl_graph/mod.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | / impl<N, E, Ix> AvlGraph<N, E, Ix, DiskBacking<N, E, Ix>>
[INFO] [stdout] 71 | | where
[INFO] [stdout] 72 | |     E: Copy + Debug + Serialize + DeserializeOwned + Default,
[INFO] [stdout] 73 | |     N: Weight + Copy + Clone + Serialize + DeserializeOwned + Default,
[INFO] [stdout] 74 | |     Ix: IndexType + Serialize + DeserializeOwned,
[INFO] [stdout]    | |_________________________________________________- associated function in this implementation
[INFO] [stdout] 75 |   {
[INFO] [stdout] 76 |       pub fn load<P: AsRef<Path> + Clone + std::fmt::Debug>(
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `edges` is never used
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:463:12
[INFO] [stdout]     |
[INFO] [stdout] 126 | / impl<N, E, Ix, Mb> AvlGraph<N, E, Ix, Mb>
[INFO] [stdout] 127 | | where
[INFO] [stdout] 128 | |     Mb: MemoryBacking<N, E, Ix>,
[INFO] [stdout] 129 | |     E: Copy + Debug,
[INFO] [stdout] 130 | |     N: Weight,
[INFO] [stdout] 131 | |     Ix: IndexType,
[INFO] [stdout]     | |__________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 463 |       pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<N, E, Ix, Mb> {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_edge_by_weight` and `add_edge` are never used
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:498:12
[INFO] [stdout]     |
[INFO] [stdout] 487 | / impl<N, E, Ix, Mb> AvlGraph<N, E, Ix, Mb>
[INFO] [stdout] 488 | | where
[INFO] [stdout] 489 | |     Mb: MemoryBacking<N, E, Ix>,
[INFO] [stdout] 490 | |     E: Eq + Ord + Copy + Debug,
[INFO] [stdout] 491 | |     N: Weight,
[INFO] [stdout] 492 | |     Ix: IndexType,
[INFO] [stdout]     | |__________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 498 |       pub fn get_edge_by_weight(&self, a: NodeIndex<Ix>, weight: E) -> Option<EdgeIndex<Ix>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 532 |       fn add_edge(&mut self, a: NodeIndex<Ix>, b: NodeIndex<Ix>, weight: E) -> Option<EdgeIndex<Ix>> {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Load` is never used
[INFO] [stdout]   --> src/io/load.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Load {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/memory_backing/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait VecBacking<T> {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/memory_backing/disk_backing/vec.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | / impl<T> Vec<T>
[INFO] [stdout] 20 | | where
[INFO] [stdout] 21 | |     T: DiskVecItem + Default + Serialize + DeserializeOwned + Copy,
[INFO] [stdout]    | |___________________________________________________________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |       pub fn load<P: AsRef<Path> + std::fmt::Debug>(path: P, cache_size: usize) -> Result<Self> {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `load`, `from_vec`, `try_reserve`, `pop`, `is_empty`, and `get_cache_len` are never used
[INFO] [stdout]    --> src/memory_backing/vec_backing/cached_disk_vec.rs:44:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | / impl<T, Ix> CachedDiskVec<T, Ix>
[INFO] [stdout]  22 | | where
[INFO] [stdout]  23 | |     T: Serialize + DeserializeOwned + Default + Copy,
[INFO] [stdout]  24 | |     Ix: IndexType,
[INFO] [stdout]     | |__________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  44 |       pub fn load<P: AsRef<Path> + std::fmt::Debug>(path: P, cache_size: usize) -> Result<Self> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  55 |       pub fn from_vec<P: AsRef<Path> + std::fmt::Debug>(
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |       pub fn try_reserve(&mut self, additional: usize) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |       pub fn pop(&mut self) -> Result<Option<T>> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |       pub fn get_cache_len(&self) -> usize {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `load` and `is_empty` are never used
[INFO] [stdout]    --> src/memory_backing/vec_backing/disk_vec.rs:60:12
[INFO] [stdout]     |
[INFO] [stdout]  29 | / impl<T> DiskVec<T>
[INFO] [stdout]  30 | | where
[INFO] [stdout]  31 | |     T: Serialize + DeserializeOwned + Default,
[INFO] [stdout]     | |______________________________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  60 |       pub fn load<P: AsRef<Path> + std::fmt::Debug>(path: P) -> Result<Self> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `token` and `eos` are never used
[INFO] [stdout]   --> src/tokenize/token_index.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<E> TokenIndex<E>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     E: Eq + serde::Serialize + Copy + Debug + TryInto<usize> + TryFrom<usize>,
[INFO] [stdout] 32 | |     usize: TryFrom<E>,
[INFO] [stdout]    | |______________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub fn token(&self, index: E) -> &str {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       pub fn eos(&self) -> E {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:459:22
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<N, E, Ix, Mb> {
[INFO] [stdout]     |                      ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<N, E, Ix, Mb> {
[INFO] [stdout]     |                  ^^^^^                           ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "5c263569da66750904d17361fa7ec61b79a5e4ca488be3f6d84358d047f48b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c263569da66750904d17361fa7ec61b79a5e4ca488be3f6d84358d047f48b51", kill_on_drop: false }`
[INFO] [stdout] 5c263569da66750904d17361fa7ec61b79a5e4ca488be3f6d84358d047f48b51
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a5a15836a007caaa13a4e3901225036f80867a0b210b58fe3f72d20bf51676f
[INFO] running `Command { std: "docker" "start" "-a" "9a5a15836a007caaa13a4e3901225036f80867a0b210b58fe3f72d20bf51676f", kill_on_drop: false }`
[INFO] [stdout] warning: method `add_edge` is never used
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 487 | / impl<N, E, Ix, Mb> AvlGraph<N, E, Ix, Mb>
[INFO] [stdout] 488 | | where
[INFO] [stdout] 489 | |     Mb: MemoryBacking<N, E, Ix>,
[INFO] [stdout] 490 | |     E: Eq + Ord + Copy + Debug,
[INFO] [stdout] 491 | |     N: Weight,
[INFO] [stdout] 492 | |     Ix: IndexType,
[INFO] [stdout]     | |__________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 532 |       fn add_edge(&mut self, a: NodeIndex<Ix>, b: NodeIndex<Ix>, weight: E) -> Option<EdgeIndex<Ix>> {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:459:22
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<N, E, Ix, Mb> {
[INFO] [stdout]     |                      ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<N, E, Ix, Mb> {
[INFO] [stdout]     |                  ^^^^^                           ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty-dawg v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:459:22
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<N, E, Ix, Mb> {
[INFO] [stdout]     |                      ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<N, E, Ix, Mb> {
[INFO] [stdout]     |                  ^^^^^                           ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_disk` is never used
[INFO] [stdout]   --> src/cdawg/traverse_arity.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | / impl<Ix> TraverseArity<DiskVec<Ix>>
[INFO] [stdout] 34 | | where
[INFO] [stdout] 35 | |     Ix: IndexType + Serialize + for<'de> Deserialize<'de>,
[INFO] [stdout]    | |__________________________________________________________- associated function in this implementation
[INFO] [stdout] 36 |   {
[INFO] [stdout] 37 |       pub fn new_disk<P: AsRef<Path> + std::fmt::Debug>(path: P, capacity: usize) -> Result<Self> {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/cdawg/token_backing.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait TokenBacking<T> {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/dawg/mod.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | / impl<E, W> Dawg<E, W, DefaultIx, DiskBacking<W, E, DefaultIx>>
[INFO] [stdout] 59 | | where
[INFO] [stdout] 60 | |     E: Eq + Ord + Copy + Debug + Serialize + DeserializeOwned + Default,
[INFO] [stdout] 61 | |     W: Weight + Copy + Clone + Serialize + DeserializeOwned + Default,
[INFO] [stdout]    | |______________________________________________________________________- associated function in this implementation
[INFO] [stdout] 62 |   {
[INFO] [stdout] 63 |       pub fn load<P: AsRef<Path> + Clone + std::fmt::Debug>(
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_edge_by_weight` is never used
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:498:12
[INFO] [stdout]     |
[INFO] [stdout] 487 | / impl<N, E, Ix, Mb> AvlGraph<N, E, Ix, Mb>
[INFO] [stdout] 488 | | where
[INFO] [stdout] 489 | |     Mb: MemoryBacking<N, E, Ix>,
[INFO] [stdout] 490 | |     E: Eq + Ord + Copy + Debug,
[INFO] [stdout] 491 | |     N: Weight,
[INFO] [stdout] 492 | |     Ix: IndexType,
[INFO] [stdout]     | |__________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 498 |       pub fn get_edge_by_weight(&self, a: NodeIndex<Ix>, weight: E) -> Option<EdgeIndex<Ix>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Load` is never used
[INFO] [stdout]   --> src/io/load.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Load {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/memory_backing/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait VecBacking<T> {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_vec`, `try_reserve`, `pop`, `is_empty`, and `get_cache_len` are never used
[INFO] [stdout]    --> src/memory_backing/vec_backing/cached_disk_vec.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | / impl<T, Ix> CachedDiskVec<T, Ix>
[INFO] [stdout]  22 | | where
[INFO] [stdout]  23 | |     T: Serialize + DeserializeOwned + Default + Copy,
[INFO] [stdout]  24 | |     Ix: IndexType,
[INFO] [stdout]     | |__________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  55 |       pub fn from_vec<P: AsRef<Path> + std::fmt::Debug>(
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |       pub fn try_reserve(&mut self, additional: usize) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |       pub fn pop(&mut self) -> Result<Option<T>> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |       pub fn get_cache_len(&self) -> usize {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/memory_backing/vec_backing/disk_vec.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout]  29 | / impl<T> DiskVec<T>
[INFO] [stdout]  30 | | where
[INFO] [stdout]  31 | |     T: Serialize + DeserializeOwned + Default,
[INFO] [stdout]     | |______________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 161 |       pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eos` is never used
[INFO] [stdout]   --> src/tokenize/token_index.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<E> TokenIndex<E>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     E: Eq + serde::Serialize + Copy + Debug + TryInto<usize> + TryFrom<usize>,
[INFO] [stdout] 32 | |     usize: TryFrom<E>,
[INFO] [stdout]    | |______________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |       pub fn eos(&self) -> E {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:459:22
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<N, E, Ix, Mb> {
[INFO] [stdout]     |                      ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 459 |     pub fn neighbors(&self, node: NodeIndex<Ix>) -> Neighbors<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/avl_graph/mod.rs:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<N, E, Ix, Mb> {
[INFO] [stdout]     |                  ^^^^^                           ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn edges(&self, edges: NodeIndex<Ix>) -> Edges<'_, N, E, Ix, Mb> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "9a5a15836a007caaa13a4e3901225036f80867a0b210b58fe3f72d20bf51676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5a15836a007caaa13a4e3901225036f80867a0b210b58fe3f72d20bf51676f", kill_on_drop: false }`
[INFO] [stdout] 9a5a15836a007caaa13a4e3901225036f80867a0b210b58fe3f72d20bf51676f
