warning: usage of `Iterator::fold` on a type that implements `Try`
   --> src/value.rs:232:14
    |
232 |         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:226:14
    |
226 |         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: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
   --> src/note_encryption_v3.rs:343:18
    |
343 |             .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/489647f984b2b3a5ee6b2a0d46a527c8d926ceae/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: `#[warn(clippy::useless_conversion)]` on by default

warning: use of `default` to create a unit struct
   --> src/note/commitment.rs:164:31
    |
164 |         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
    = note: `#[warn(clippy::default_constructed_unit_structs)]` on by default

warning: usage of `Iterator::fold` on a type that implements `Try`
   --> src/value.rs:232:14
    |
232 |         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:226:14
    |
226 |         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: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
   --> src/note_encryption_v3.rs:343:18
    |
343 |             .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/489647f984b2b3a5ee6b2a0d46a527c8d926ceae/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: `#[warn(clippy::useless_conversion)]` on by default

warning: usage of `Iterator::fold` on a type that implements `Try`
   --> src/builder.rs:532:14
    |
532 |               .fold(Some(ValueSum::zero()), |acc, action| {
    |  ______________^
533 | |                 acc? + action.value_sum()
534 | |             })
    | |______________^ help: use `try_fold` instead: `try_fold(ValueSum::zero(), |acc, action| ...)`
    |
    = 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/builder.rs:455:14
    |
455 |             .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: usage of `Iterator::fold` on a type that implements `Try`
   --> src/builder.rs:532:14
    |
532 |               .fold(Some(ValueSum::zero()), |acc, action| {
    |  ______________^
533 | |                 acc? + action.value_sum()
534 | |             })
    | |______________^ help: use `try_fold` instead: `try_fold(ValueSum::zero(), |acc, action| ...)`
    |
    = 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/builder.rs:455:14
    |
455 |             .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