warning: very complex type used. Consider factoring parts into `type` definitions --> src/options.rs:42:17 | 42 | pub filter: Box<dyn FnMut(&Vec<u8>) -> bool>, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity = note: `#[warn(clippy::type_complexity)]` on by default

warning: file opened with `create`, but `truncate` behavior not defined --> src/mock/datafile_wrapper.rs:55:14 | 55 | .create(true) | ^^^^^^^^^^^^- help: add: `.truncate(true)` | = help: if you intend to overwrite an existing file entirely, call `.truncate(true)` = help: if you instead know that you may want to keep some parts of the old file, call `.truncate(false)` = help: alternatively, use `.append(true)` to append to the file instead of overwriting it = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_open_options = note: `#[warn(clippy::suspicious_open_options)]` on by default

warning: module has the same name as its containing module --> src/fio/mod.rs:1:1 | 1 | mod fio; | ^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception = note: `#[warn(clippy::module_inception)]` on by default

warning: redundant guard --> src/data/data_file.rs:108:26 | 108 | remaining if remaining == 0 => return Ok(None), | ^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_guards = note: `#[warn(clippy::redundant_guards)]` on by default help: try | 108 - remaining if remaining == 0 => return Ok(None), 108 + 0 => return Ok(None), |

warning: struct `WriteBatch` is never constructed --> src/batch.rs:6:12 | 6 | pub struct WriteBatch<'a> { | ^^^^^^^^^^ | = note: `#[warn(dead_code)]` on by default

warning: unexpected `cfg` condition value: `debug` --> src/utils.rs:4:7 | 4 | #[cfg(feature = "debug")] | ^^^^^^^^^^^^^^^^^ help: remove the condition | = note: no expected values for `feature` = help: consider adding `debug` as a feature in `Cargo.toml` = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration