warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_proofs/src/dev.rs:1066:30 | 1066 | ... .fold(Ok(()), |acc, res| acc.and(res)) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `try_fold` instead: `try_fold((), |acc, res| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold = note: `-W clippy::manual-try-fold` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::manual_try_fold)]`

use of `default` to create a unit struct: halo2_proofs/src/dev/cost.rs#L414

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:414:33 | 414 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_proofs/src/dev/cost.rs#L371

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:371:33 | 371 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_proofs/src/dev/cost.rs#L328

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:328:33 | 328 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/poly.rs#L174

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly.rs:174:22 | 174 | .zip(inv_denoms.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `inv_denoms` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:642:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/poly.rs#L159

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly.rs:159:14 | 159 | .zip(assigned_denominators.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `assigned_denominators` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:642:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/poly/multiopen/prover.rs#L105

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly/multiopen/prover.rs:105:58 | 105 | let (p_poly, p_poly_blind) = q_polys.into_iter().zip(q_blinds.into_iter()).fold( | ^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `q_blinds` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:642:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

use of `default` to create a unit struct: halo2_proofs/src/poly/evaluator.rs#L124

warning: use of `default` to create a unit struct --> halo2_proofs/src/poly/evaluator.rs:124:36 | 124 | _evaluator: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_proofs/src/poly/evaluator.rs#L78

warning: use of `default` to create a unit struct --> halo2_proofs/src/poly/evaluator.rs:78:36 | 78 | _evaluator: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs = note: `-W clippy::default-constructed-unit-structs` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::default_constructed_unit_structs)]`

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/plonk/verifier.rs#L319

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/verifier.rs:319:25 | 319 | / lookups 320 | | .iter() 321 | | .flat_map(move |p| p.queries(vk, x)) 322 | | .into_iter(), | |________________________________________^ | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:523:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion help: consider removing the `.into_iter()` | 319 ~ lookups 320 + .iter() 321 ~ .flat_map(move |p| p.queries(vk, x)), |

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/plonk/verifier.rs#L259

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/verifier.rs:259:25 | 259 | / lookups 260 | | .iter() 261 | | .zip(vk.cs.lookups.iter()) 262 | | .flat_map(move |(p, argument)| { ... | 275 | | }) 276 | | .into_iter(), | |________________________________________^ | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:523:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion help: consider removing the `.into_iter()` | 259 ~ lookups 260 + .iter() 261 + .zip(vk.cs.lookups.iter()) 262 + .flat_map(move |(p, argument)| { 263 + p.expressions( 264 + l_0, 265 + l_last, 266 + l_blind, 267 + argument, 268 + theta, 269 + beta, 270 + gamma, 271 + advice_evals, 272 + fixed_evals, 273 + instance_evals, 274 + ) 275 ~ }), |

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/plonk/prover.rs#L707

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:707:24 | 707 | .chain(lookups.iter().flat_map(move |p| p.open(pk, x)).into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `lookups.iter().flat_map(move |p| p.open(pk, x))` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:523:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/plonk/prover.rs#L581

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:581:28 | 581 | .chain(permutation_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `permutation_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:523:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/plonk/prover.rs#L547

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:547:14 | 547 | .zip(lookup_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `lookup_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:642:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/plonk/prover.rs#L546

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:546:14 | 546 | .zip(permutation_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `permutation_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:642:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_proofs/src/plonk/circuit.rs#L1261

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/circuit.rs:1261:22 | 1261 | .zip(degrees.into_iter()) | ^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `degrees` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:642:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion = note: `-W clippy::useless-conversion` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::useless_conversion)]`

an array of `Range` that is only one element: halo2_gadgets/src/utilities.rs#L407

warning: an array of `Range` that is only one element --> halo2_gadgets/src/utilities.rs:407:47 | 407 | decompose(pallas::Base::random(rng), &[0..255]); | ^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_range_in_vec_init = note: `-W clippy::single-range-in-vec-init` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::single_range_in_vec_init)]` help: if you wanted a `Vec` that contains the entire range, try | 407 | decompose(pallas::Base::random(rng), &(0..255).collect::<std::vec::Vec<usize>>()); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ help: if you wanted an array of len 255, try | 407 | decompose(pallas::Base::random(rng), &[0; 255]); | ~~~~~~

use of `default` to create a unit struct: halo2_gadgets/src/utilities.rs#L127

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:127:34 | 127 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/utilities.rs#L118

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:118:34 | 118 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/utilities.rs#L103

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:103:34 | 103 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/utilities/lookup_range_check.rs#L52

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities/lookup_range_check.rs:52:38 | 52 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_gadgets/src/sinsemilla.rs#L701

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_gadgets/src/sinsemilla.rs:701:48 | 701 | ... .chain(right.into_iter()), | ^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `right` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:523:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

explicit call to `.into_iter()` in function argument accepting `IntoIterator`: halo2_gadgets/src/sinsemilla.rs#L700

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_gadgets/src/sinsemilla.rs:700:48 | 700 | ... .chain(left.into_iter()) | ^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `left` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/b5c050febf10c9bcc0459d41fe2a1e190ad30b8d/library/core/src/iter/traits/iterator.rs:523:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion = note: `-W clippy::useless-conversion` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::useless_conversion)]`

use of `default` to create a unit struct: halo2_gadgets/src/sinsemilla/primitives.rs#L344

warning: use of `default` to create a unit struct --> halo2_gadgets/src/sinsemilla/primitives.rs:344:31 | 344 | let mut os_rng = OsRng::default(); | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

unused doc comment: halo2_proofs/src/dev/cost.rs#L109

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:109:13 | 109 | /// Selector assignments used for optimization pass | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 110 | selectors: vec![vec![false; n]; num_selectors], | ---------------------------------------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment

unused doc comment: halo2_proofs/src/dev/cost.rs#L107

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:107:13 | 107 | /// Pairs of cells between which we have equality constraints. | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 108 | equality: vec![], | ---------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment

unused doc comment: halo2_proofs/src/dev/cost.rs#L105

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:105:13 | 105 | /// Any cells assigned outside of a region. | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 106 | loose_cells: vec![], | ------------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment = note: `#[warn(unused_doc_comments)]` on by default

use of `default` to create a unit struct: halo2_gadgets/src/poseidon.rs#L206

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon.rs:206:33 | 206 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/poseidon.rs#L159

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon.rs:159:33 | 159 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/poseidon/primitives.rs#L363

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:363:33 | 363 | _domain: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/poseidon/primitives.rs#L257

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:257:33 | 257 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/poseidon/primitives.rs#L220

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:220:33 | 220 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/poseidon/primitives/p128pow5t3.rs#L88

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives/p128pow5t3.rs:88:38 | 88 | P128Pow5T3Gen(PhantomData::default()) | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

use of `default` to create a unit struct: halo2_gadgets/src/poseidon/primitives/grain.rs#L72

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives/grain.rs:72:32 | 72 | _field: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs = note: `-W clippy::default-constructed-unit-structs` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::default_constructed_unit_structs)]`

usage of `Iterator::fold` on a type that implements `Try`: halo2_gadgets/src/poseidon/pow5.rs#L256

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:256:58 | 256 | let state = (0..config.half_full_rounds).fold(Ok(state), |res, r| { | __________________________________________________________^ 257 | | res.and_then(|state| { 258 | | state.full_round( 259 | | &mut region, ... | 264 | | }) 265 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

usage of `Iterator::fold` on a type that implements `Try`: halo2_gadgets/src/poseidon/pow5.rs#L245

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:245:61 | 245 | let state = (0..config.half_partial_rounds).fold(Ok(state), |res, r| { | _____________________________________________________________^ 246 | | res.and_then(|state| { 247 | | state.partial_round( 248 | | &mut region, ... | 253 | | }) 254 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

usage of `Iterator::fold` on a type that implements `Try`: halo2_gadgets/src/poseidon/pow5.rs#L241

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:241:58 | 241 | let state = (0..config.half_full_rounds).fold(Ok(state), |res, r| { | __________________________________________________________^ 242 | | res.and_then(|state| state.full_round(&mut region, config, r, r)) 243 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold = note: `-W clippy::manual-try-fold` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::manual_try_fold)]`

use of `default` to create a unit struct: halo2_gadgets/src/utilities.rs#L127