warning: assigning the result of `Clone::clone()` may be inefficient
   --> src/importers/webfeet/mod.rs:126:13
    |
126 |             name = event.value.clone();
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `name.clone_from(&event.value)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones

warning: assigning the result of `ToOwned::to_owned()` may be inefficient
  --> src/importers/icalendar/spreefolk.rs:62:13
   |
62 | /             *details = details
63 | |                 .split("\n\n\n\n\n\n\nJavaScript ist in deinem Browser deaktiviert.")
64 | |                 .next()
65 | |                 .unwrap()
...  |
68 | |                 .unwrap()
69 | |                 .to_owned();
   | |___________________________^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
help: use `clone_into()`
   |
62 ~             details
63 +                 .split("\n\n\n\n\n\n\nJavaScript ist in deinem Browser deaktiviert.")
64 +                 .next()
65 +                 .unwrap()
66 ~                 .split("\n \n\n\n\nJavaScript ist in deinem Browser deaktiviert.")
67 +                 .next()
68 ~                 .unwrap().clone_into(details);
   |

warning: assigning the result of `ToOwned::to_owned()` may be inefficient
  --> src/importers/icalendar/spreefolk.rs:57:9
   |
57 | /         event.name = event
58 | |             .name
59 | |             .replace("Folk & Tanz am", "Folk & Dance at")
60 | |             .to_owned();
   | |_______________________^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
help: use `clone_into()`
   |
57 ~         event
58 +             .name
59 ~             .replace("Folk & Tanz am", "Folk & Dance at").clone_into(&mut event.name);
   |

warning: assigning the result of `ToOwned::to_owned()` may be inefficient
  --> src/importers/icalendar/ceilidhclub.rs:48:13
   |
48 |             country = "UK".to_owned();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `"UK".clone_into(&mut country)`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones

warning: assigning the result of `ToOwned::to_owned()` may be inefficient
  --> src/importers/icalendar/cdss.rs:96:13
   |
96 |             country = "UK".to_owned();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `"UK".clone_into(&mut country)`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones

warning: assigning the result of `ToOwned::to_owned()` may be inefficient
  --> src/importers/icalendar/cdss.rs:94:13
   |
94 |             country = "USA".to_owned();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `"USA".clone_into(&mut country)`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones

warning: assigning the result of `ToOwned::to_owned()` may be inefficient
  --> src/importers/icalendar/boulder.rs:69:13
   |
69 |             country = "USA".to_owned();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `"USA".clone_into(&mut country)`
   |
   = 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: this expression creates a reference which is immediately dereferenced by the compiler
   --> src/importers/icalendar/balfolknl.rs:137:35
    |
137 |         event.name = shorten_name(&raw_name);
    |                                   ^^^^^^^^^ help: change this to: `raw_name`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
    = note: `#[warn(clippy::needless_borrow)]` on by default

warning: function `write_events_to_files` is never used
   --> src/main.rs:217:4
    |
217 | fn write_events_to_files(events: Events) -> Result<(), Report> {
    |    ^^^^^^^^^^^^^^^^^^^^^
    |
    = note: `#[warn(dead_code)]` on by default

warning: unused imports: `env`, `process::exit`
  --> src/main.rs:53:5
   |
53 |     env,
   |     ^^^
...
56 |     process::exit,
   |     ^^^^^^^^^^^^^
   |
   = note: `#[warn(unused_imports)]` on by default