warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:1122:47 | 1122 | let initial_vals: Vec<H::Hash> = vec![initial_value.clone(); storage_size]; | ^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*initial_value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:1063:41 | 1063 | return SparseTree::new_leaf(hash.clone()); | ^^^^^^^^^^^^ help: try dereferencing it: `*hash` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:1026:9 | 1026 | self.storage[self.root_index].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.storage[self.root_index]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:997:9 | 997 | self.storage.lock().expect("lock poisoned")[self.root_index].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.storage.lock().expect("lock poisoned")[self.root_index]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:986:45 | 986 | storage[leaf_index_in_dense_tree] = value.clone(); | ^^^^^^^^^^^^^ help: try dereferencing it: `*value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: temporary with significant `Drop` can be early dropped --> src/lazy_merkle_tree.rs:984:17 | 983 | fn update_with_mutation(&self, index: usize, value: &H::Hash) { | ___________________________________________________________________- 984 | | let mut storage = self.storage.lock().expect("lock poisoned, terminating"); | | ^^^^^^^ 985 | | let leaf_index_in_dense_tree = index + (self.root_index << self.depth); 986 | | storage[leaf_index_in_dense_tree] = value.clone(); ... | 993 | | } 994 | | } | |_____- temporary `storage` is currently being dropped at the end of its contained scope | = note: this might lead to unnecessary resource contention = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#significant_drop_tightening help: drop the temporary after the end of its last usage | 991 ~ storage[current] = H::hash_node(left, right); 992 + drop(storage); |

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:965:13 | 965 | r.storage[leaf_index_in_dense_tree].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `r.storage[leaf_index_in_dense_tree]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: temporary with significant `Drop` can be early dropped --> src/lazy_merkle_tree.rs:948:13 | 947 | / { 948 | | let guard = self.storage.lock().expect("lock poisoned, terminating"); | | ^^^^^ 949 | | let r = DenseTreeMMapRef { 950 | | depth: self.depth, ... | 955 | | fun(r) 956 | | } | |_____- temporary `guard` is currently being dropped at the end of its contained scope | = note: this might lead to unnecessary resource contention = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#significant_drop_tightening help: merge the temporary construction with its single usage | 948 ~ 949 + let r = self.storage.lock().expect("lock poisoned, terminating").; | help: remove separated single usage | 949 - let r = DenseTreeMMapRef { 950 - depth: self.depth, 951 - root_index: self.root_index, 952 - storage: &guard, 953 - locked_storage: &self.storage, 954 - }; 949 + |

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:826:41 | 826 | return SparseTree::new_leaf(hash.clone()); | ^^^^^^^^^^^^ help: try dereferencing it: `*hash` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:789:9 | 789 | self.storage[self.root_index].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.storage[self.root_index]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:760:9 | 760 | self.storage.lock().unwrap()[self.root_index].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.storage.lock().unwrap()[self.root_index]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:749:45 | 749 | storage[leaf_index_in_dense_tree] = value.clone(); | ^^^^^^^^^^^^^ help: try dereferencing it: `*value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: temporary with significant `Drop` can be early dropped --> src/lazy_merkle_tree.rs:747:17 | 746 | fn update_with_mutation(&self, index: usize, value: &H::Hash) { | ___________________________________________________________________- 747 | | let mut storage = self.storage.lock().expect("lock poisoned, terminating"); | | ^^^^^^^ 748 | | let leaf_index_in_dense_tree = index + (self.root_index << self.depth); 749 | | storage[leaf_index_in_dense_tree] = value.clone(); ... | 756 | | } 757 | | } | |_____- temporary `storage` is currently being dropped at the end of its contained scope | = note: this might lead to unnecessary resource contention = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#significant_drop_tightening help: drop the temporary after the end of its last usage | 754 ~ storage[current] = H::hash_node(left, right); 755 + drop(storage); |

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:728:13 | 728 | r.storage[leaf_index_in_dense_tree].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `r.storage[leaf_index_in_dense_tree]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: temporary with significant `Drop` can be early dropped --> src/lazy_merkle_tree.rs:711:13 | 710 | / { 711 | | let guard = self.storage.lock().expect("lock poisoned, terminating"); | | ^^^^^ 712 | | let r = DenseTreeRef { 713 | | depth: self.depth, ... | 718 | | fun(r) 719 | | } | |_____- temporary `guard` is currently being dropped at the end of its contained scope | = note: this might lead to unnecessary resource contention = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#significant_drop_tightening = note: `#[warn(clippy::significant_drop_tightening)]` implied by `#[warn(clippy::nursery)]` help: merge the temporary construction with its single usage | 711 ~ 712 + let r = self.storage.lock().expect("lock poisoned, terminating").; | help: remove separated single usage | 712 - let r = DenseTreeRef { 713 - depth: self.depth, 714 - root_index: self.root_index, 715 - storage: &guard, 716 - locked_storage: &self.storage, 717 - }; 712 + |

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:693:32 | 693 | let mut storage = vec![empty_leaf.clone(); storage_size]; | ^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*empty_leaf` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:657:16 | 657 | || self.root.clone(), | ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.root` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:652:9 | 652 | self.root.clone() | ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.root` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:626:35 | 626 | return Self::new_leaf(value.clone()); | ^^^^^^^^^^^^^ help: try dereferencing it: `*value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:580:23 | 580 | root: self.root.clone(), | ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.root` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: redundant clone --> src/lazy_merkle_tree.rs:563:39 | 563 | let right = children.right.clone(); | ^^^^^^^^ help: remove this | note: cloned value is neither consumed nor mutated --> src/lazy_merkle_tree.rs:563:25 | 563 | let right = children.right.clone(); | ^^^^^^^^^^^^^^^^^^^^^^ = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_clone

warning: redundant clone --> src/lazy_merkle_tree.rs:562:37 | 562 | let left = children.left.clone(); | ^^^^^^^^ help: remove this | note: cloned value is neither consumed nor mutated --> src/lazy_merkle_tree.rs:562:24 | 562 | let left = children.left.clone(); | ^^^^^^^^^^^^^^^^^^^^^ = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_clone note: the lint level is defined here --> src/lib.rs:2:55 | 2 | #![warn(clippy::all, clippy::pedantic, clippy::cargo, clippy::nursery)] | ^^^^^^^^^^^^^^^ = note: `#[warn(clippy::redundant_clone)]` implied by `#[warn(clippy::nursery)]`

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:516:9 | 516 | self.empty_tree_values[0].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.empty_tree_values[0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:512:9 | 512 | self.empty_tree_values[self.depth].clone() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.empty_tree_values[self.depth]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: used `cloned` where `copied` could be used instead --> src/lazy_merkle_tree.rs:501:14 | 501 | .cloned() | ^^^^^^ help: try: `copied` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cloned_instead_of_copied

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:457:23 | 457 | let val = self.empty_tree_values[depth - 1].clone(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.empty_tree_values[depth - 1]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:310:47 | 310 | EmptyTree::new(current_depth, empty_leaf.clone()).into(), | ^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*empty_leaf` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:288:47 | 288 | EmptyTree::new(current_depth, empty_value.clone()).into(), | ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*empty_value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:265:47 | 265 | EmptyTree::new(current_depth, empty_value.clone()).into(), | ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*empty_value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:258:61 | 258 | let mut result: Self = EmptyTree::new(prefix_depth, empty_value.clone()) | ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*empty_value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/lazy_merkle_tree.rs:248:47 | 248 | EmptyTree::new(current_depth, empty_value.clone()).into(), | ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*empty_value` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: docs for function returning `Result` missing `# Errors` section --> src/lazy_merkle_tree.rs:86:5 | 86 | / pub fn new_mmapped_with_dense_prefix_with_init_values( 87 | | depth: usize, 88 | | prefix_depth: usize, 89 | | empty_value: &H::Hash, 90 | | initial_values: &[H::Hash], 91 | | file_path: &str, 92 | | ) -> Result<LazyMerkleTree<H, Canonical>, DenseMMapError> { | |_____________________________________________________________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_errors_doc

warning: this function has an empty `#[must_use]` attribute, but returns a type already marked as `#[must_use]` --> src/lazy_merkle_tree.rs:86:5 | 86 | / pub fn new_mmapped_with_dense_prefix_with_init_values( 87 | | depth: usize, 88 | | prefix_depth: usize, 89 | | empty_value: &H::Hash, 90 | | initial_values: &[H::Hash], 91 | | file_path: &str, 92 | | ) -> Result<LazyMerkleTree<H, Canonical>, DenseMMapError> { | |_____________________________________________________________^ | = help: either add some descriptive text or remove the attribute = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_must_use = note: `#[warn(clippy::double_must_use)]` implied by `#[warn(clippy::all)]`

warning: docs for function returning `Result` missing `# Errors` section --> src/protocol/mod.rs:165:1 | 165 | / pub fn generate_witness( 166 | | identity: &Identity, 167 | | merkle_proof: &merkle_tree::Proof<PoseidonHash>, 168 | | external_nullifier_hash: Field, 169 | | signal_hash: Field, 170 | | ) -> Result<Vec<Fp256<FrParameters>>, ProofError> { | |_________________________________________________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_errors_doc

warning: docs for function which may panic missing `# Panics` section --> src/protocol/mod.rs:165:1 | 165 | / pub fn generate_witness( 166 | | identity: &Identity, 167 | | merkle_proof: &merkle_tree::Proof<PoseidonHash>, 168 | | external_nullifier_hash: Field, 169 | | signal_hash: Field, 170 | | ) -> Result<Vec<Fp256<FrParameters>>, ProofError> { | |_________________________________________________^ | note: first possible panic found here --> src/protocol/mod.rs:187:5 | 187 | / witness_calculator(depth) 188 | | .lock() 189 | | .expect("witness_calculator mutex should not get poisoned") | |___________________________________________________________________^ = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_panics_doc = note: `#[warn(clippy::missing_panics_doc)]` implied by `#[warn(clippy::pedantic)]`

warning: unneeded `return` statement --> src/protocol/authentication.rs:31:5 | 31 | / return super::verify_proof( 32 | | root, 33 | | nullifier_hash, 34 | | signal_hash, ... | 37 | | depth, 38 | | ); | |_____^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return help: remove `return` | 31 ~ super::verify_proof( 32 + root, 33 + nullifier_hash, 34 + signal_hash, 35 + ext_nullifier_hash, 36 + proof, 37 + depth, 38 ~ ) |

warning: docs for function returning `Result` missing `# Errors` section --> src/protocol/authentication.rs:20:1 | 20 | / pub fn verify_proof( 21 | | depth: usize, 22 | | id_commitment: Field, 23 | | nullifier_hash: Field, ... | 26 | | proof: &Proof, 27 | | ) -> Result<bool, ProofError> { | |_____________________________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_errors_doc

warning: unneeded `return` statement --> src/protocol/authentication.rs:17:5 | 17 | return super::generate_proof(identity, &merkle_proof, ext_nullifier_hash, signal_hash); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return = note: `#[warn(clippy::needless_return)]` implied by `#[warn(clippy::all)]` help: remove `return` | 17 - return super::generate_proof(identity, &merkle_proof, ext_nullifier_hash, signal_hash); 17 + super::generate_proof(identity, &merkle_proof, ext_nullifier_hash, signal_hash) |

warning: docs for function returning `Result` missing `# Errors` section --> src/protocol/authentication.rs:8:1 | 8 | / pub fn generate_proof( 9 | | depth: usize, 10 | | identity: &Identity, 11 | | ext_nullifier_hash: Field, 12 | | signal_hash: Field, 13 | | ) -> Result<Proof, ProofError> { | |______________________________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_errors_doc = note: `#[warn(clippy::missing_errors_doc)]` implied by `#[warn(clippy::pedantic)]`

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/merkle_tree.rs:154:36 | 154 | 0 => Branch::Right(self.nodes[index - 1].clone()), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.nodes[index - 1]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/merkle_tree.rs:153:35 | 153 | 1 => Branch::Left(self.nodes[index + 1].clone()), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.nodes[index + 1]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `<H as Hasher>::Hash` which implements the `Copy` trait --> src/merkle_tree.rs:112:9 | 112 | self.nodes[0].clone() | ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.nodes[0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy note: the lint level is defined here --> src/lib.rs:2:9 | 2 | #![warn(clippy::all, clippy::pedantic, clippy::cargo, clippy::nursery)] | ^^^^^^^^^^^ = note: `#[warn(clippy::clone_on_copy)]` implied by `#[warn(clippy::all)]`

warning: used `cloned` where `copied` could be used instead --> src/merkle_tree.rs:91:14 | 91 | .cloned() | ^^^^^^ help: try: `copied` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cloned_instead_of_copied note: the lint level is defined here --> src/lib.rs:2:22 | 2 | #![warn(clippy::all, clippy::pedantic, clippy::cargo, clippy::nursery)] | ^^^^^^^^^^^^^^^^ = note: `#[warn(clippy::cloned_instead_of_copied)]` implied by `#[warn(clippy::pedantic)]`

warning: unit tests in doctest are not executed --> crates/semaphore-depth-macros/src/lib.rs:35:5 | 35 | /// #[test] | _____^ 36 | | /// fn test_depth_non_zero_depth_30() { | |___________________________________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#test_attr_in_doctest

warning: unit tests in doctest are not executed --> crates/semaphore-depth-macros/src/lib.rs:30:5 | 30 | /// #[test] | _____^ 31 | | /// fn test_depth_non_zero_depth_16() { | |___________________________________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#test_attr_in_doctest = note: `#[warn(clippy::test_attr_in_doctest)]` on by default

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Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

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