warning: assigning the result of `Clone::clone()` may be inefficient
   --> store/src/local/mutation_index/query.rs:526:17
    |
526 |                 part.field = part.text.clone();
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `part.field.clone_from(&part.text)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones

warning: usage of a legacy numeric constant
   --> store/src/local/entity_index/mod.rs:578:66
    |
578 |                 let block_offset = result.block_offset.unwrap_or(std::u64::MAX);
    |                                                                  ^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
help: use the associated constant instead
    |
578 |                 let block_offset = result.block_offset.unwrap_or(u64::MAX);
    |                                                                  ~~~~~~~~

warning: assigning the result of `Clone::clone()` may be inefficient
   --> store/src/local/entity_index/iterator.rs:133:17
    |
133 |                 entity_id = next_id.clone();
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `entity_id.clone_from(next_id)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones

warning: usage of a legacy numeric constant
   --> store/src/local/entity_index/aggregator.rs:188:67
    |
188 |             if current_operation_id > last_operation_id.unwrap_or(std::u64::MIN) {
    |                                                                   ^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
    = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
help: use the associated constant instead
    |
188 |             if current_operation_id > last_operation_id.unwrap_or(u64::MIN) {
    |                                                                   ~~~~~~~~

warning: assigning the result of `Clone::clone()` may be inefficient
   --> store/src/local/entity_index/aggregator.rs:115:13
    |
115 |             entity_id = current_mutation.entity_id.clone();
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `entity_id.clone_from(&current_mutation.entity_id)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
    = note: `#[warn(clippy::assigning_clones)]` on by default

warning: field `remaining` is never read
  --> store/src/local/mutation_index/results.rs:61:9
   |
58 | pub struct MutationResults {
   |            --------------- field in this struct
...
61 |     pub remaining: usize,
   |         ^^^^^^^^^

warning: field `matched_mutation` is never read
   --> store/src/local/entity_index/searcher.rs:285:9
    |
284 | pub struct SearchResult {
    |            ------------ field in this struct
285 |     pub matched_mutation: MutationMetadata,
    |         ^^^^^^^^^^^^^^^^

warning: field `last_block_offset` is never read
  --> store/src/local/entity_index/aggregator.rs:59:9
   |
28 | pub struct EntityAggregator {
   |            ---------------- field in this struct
...
59 |     pub last_block_offset: Option<BlockOffset>,
   |         ^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

warning: field `0` is never read
   --> chain/src/chain/directory/tracker.rs:162:10
    |
162 |     Read(Arc<memmap2::Mmap>),
    |     ---- ^^^^^^^^^^^^^^^^^^
    |     |
    |     field in this variant
    |
    = note: `#[warn(dead_code)]` on by default
help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
    |
162 |     Read(()),
    |          ~~

warning: assigning the result of `Clone::clone()` may be inefficient
  --> transport/src/messages.rs:86:9
   |
86 |         msg.connection = self.connection.clone();
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `msg.connection.clone_from(&self.connection)`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
   = note: `#[warn(clippy::assigning_clones)]` on by default

warning: field `0` is never read
  --> core/src/sec/keys.rs:20:15
   |
20 |     Secp256k1(libp2p_secp256k1::Keypair),
   |     --------- ^^^^^^^^^^^^^^^^^^^^^^^^^
   |     |
   |     field in this variant
   |
   = note: `#[warn(dead_code)]` on by default
help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
   |
20 |     Secp256k1(()),
   |               ~~