warning: unused import: `H`
 --> src/constants.rs:6:91
  |
6 | pub use fixed_bases::{NullifierK, OrchardFixedBases, OrchardFixedBasesFull, ValueCommitV, H};
  |                                                                                           ^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: this returns a `Result<_, ()>`
  --> src/builder.rs:47:5
   |
47 |     pub fn num_actions(&self, num_spends: usize, num_recipients: usize) -> Result<usize, ()> {
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: use a custom `Error` type instead
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#result_unit_err
   = note: `#[warn(clippy::result_unit_err)]` on by default

warning: usage of `Iterator::fold` on a type that implements `Try`
   --> src/builder.rs:417:14
    |
417 |             .fold(Some(ValueSum::zero()), |acc, note_value| acc? + note_value)
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `try_fold` instead: `try_fold(ValueSum::zero(), |acc, note_value| ...)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold
    = note: `#[warn(clippy::manual_try_fold)]` on by default

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
   --> src/builder.rs:456:22
    |
456 |                 .zip(self.outputs.into_iter())
    |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `self.outputs`
    |
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
   --> /rustc/4bd9c37dc18d120ba5f307d8ddb07d733166227a/library/core/src/iter/traits/iterator.rs:643:12
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
    = note: `#[warn(clippy::useless_conversion)]` on by default

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
   --> src/note_encryption.rs:246:18
    |
246 |             .zip(ephemeral_keys.into_iter())
    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `ephemeral_keys`
    |
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
   --> /rustc/4bd9c37dc18d120ba5f307d8ddb07d733166227a/library/core/src/iter/traits/iterator.rs:643:12
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: usage of `Iterator::fold` on a type that implements `Try`
   --> src/value.rs:195:14
    |
195 |         iter.fold(Ok(ValueSum(0)), |acc, v| (acc? + *v).ok_or(OverflowError))
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `try_fold` instead: `try_fold(ValueSum(0), |acc, v| ...)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

warning: usage of `Iterator::fold` on a type that implements `Try`
   --> src/value.rs:201:14
    |
201 |         iter.fold(Ok(ValueSum(0)), |acc, v| (acc? + v).ok_or(OverflowError))
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `try_fold` instead: `try_fold(ValueSum(0), |acc, v| ...)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

warning: 9 warnings emitted