warning: the following explicit lifetimes could be elided: 'dataset
   --> src/iterable/dataloader.rs:166:6
    |
166 | impl<'dataset, D, C> Iterator for Iter<'dataset, D, C>
    |      ^^^^^^^^                          ^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
help: elide the lifetimes
    |
166 - impl<'dataset, D, C> Iterator for Iter<'dataset, D, C>
166 + impl<D, C> Iterator for Iter<'_, D, C>
    |

warning: the following explicit lifetimes could be elided: 'dataset
  --> src/indexable/fetch.rs:42:6
   |
42 | impl<'dataset, D, C> Fetcher<D, C> for MapDatasetFetcher<'dataset, D, C>
   |      ^^^^^^^^                                            ^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
help: elide the lifetimes
   |
42 - impl<'dataset, D, C> Fetcher<D, C> for MapDatasetFetcher<'dataset, D, C>
42 + impl<D, C> Fetcher<D, C> for MapDatasetFetcher<'_, D, C>
   |

warning: the following explicit lifetimes could be elided: 'dataset
   --> src/indexable/dataloader.rs:157:6
    |
157 | impl<'dataset, D, S, C> ExactSizeIterator for SingleProcessDataLoaderIter<'dataset, D, S, C>
    |      ^^^^^^^^                                                             ^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
help: elide the lifetimes
    |
157 - impl<'dataset, D, S, C> ExactSizeIterator for SingleProcessDataLoaderIter<'dataset, D, S, C>
157 + impl<D, S, C> ExactSizeIterator for SingleProcessDataLoaderIter<'_, D, S, C>
    |

warning: the following explicit lifetimes could be elided: 'dataset
   --> src/indexable/dataloader.rs:119:6
    |
119 | impl<'dataset, D, S, C> Iterator for SingleProcessDataLoaderIter<'dataset, D, S, C>
    |      ^^^^^^^^                                                    ^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
help: elide the lifetimes
    |
119 - impl<'dataset, D, S, C> Iterator for SingleProcessDataLoaderIter<'dataset, D, S, C>
119 + impl<D, S, C> Iterator for SingleProcessDataLoaderIter<'_, D, S, C>
    |

warning: the following explicit lifetimes could be elided: 'dataset
  --> src/indexable/dataloader.rs:89:6
   |
89 | impl<'dataset, D, S, C> SingleProcessDataLoaderIter<'dataset, D, S, C>
   |      ^^^^^^^^                                       ^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
   = note: `-W clippy::needless-lifetimes` implied by `-W clippy::all`
   = help: to override `-W clippy::all` add `#[allow(clippy::needless_lifetimes)]`
help: elide the lifetimes
   |
89 - impl<'dataset, D, S, C> SingleProcessDataLoaderIter<'dataset, D, S, C>
89 + impl<D, S, C> SingleProcessDataLoaderIter<'_, D, S, C>
   |

warning: empty line after doc comment
  --> src/collate/default_collate/nonzero.rs:9:1
   |
9  | / /// Maybe this one may not be supported by a tensor running on a GPU.
10 | |
   | |_
11 |   macro_rules! nonzero_impl {
   |   ------------------------- the comment documents this macro
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_doc_comments
   = note: `-W clippy::empty-line-after-doc-comments` implied by `-W clippy::all`
   = help: to override `-W clippy::all` add `#[allow(clippy::empty_line_after_doc_comments)]`
   = help: if the empty line is unintentional remove it

warning: trait `FunctorDataset` is never used
  --> src/indexable/dataset.rs:41:7
   |
41 | trait FunctorDataset<F>: Len + GetSample
   |       ^^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

warning: elided lifetime has a name
   --> src/iterable/dataloader.rs:155:41
    |
147 | impl<'dataset, D, C> DataLoader<D, C>
    |      -------- lifetime `'dataset` declared here
...
155 |     pub fn iter(&'dataset self) -> Iter<'_, <&'dataset D as IntoIterator>::IntoIter, C> {
    |                                         ^^ this elided lifetime gets resolved as `'dataset`
    |
    = note: `#[warn(elided_named_lifetimes)]` on by default