error: case-sensitive file extension comparison
  --> tests/ui/case_sensitive_file_extension_comparisons.rs:13:5
   |
LL |     filename.ends_with(".rs")
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a case-insensitive comparison instead
   = note: `-D clippy::case-sensitive-file-extension-comparisons` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::case_sensitive_file_extension_comparisons)]`
help: use std::path::Path
   |
LL ~     std::path::Path::new(filename)
LL +         .extension()
LL +         .map_or(false, |ext| ext.eq_ignore_ascii_case("rs"))
   |

error: case-sensitive file extension comparison
  --> tests/ui/case_sensitive_file_extension_comparisons.rs:18:13
   |
LL |     let _ = String::new().ends_with(".ext12");
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a case-insensitive comparison instead
help: use std::path::Path
   |
LL ~     let _ = std::path::Path::new(&String::new())
LL +         .extension()
LL ~         .map_or(false, |ext| ext.eq_ignore_ascii_case("ext12"));
   |

error: case-sensitive file extension comparison
  --> tests/ui/case_sensitive_file_extension_comparisons.rs:19:13
   |
LL |     let _ = "str".ends_with(".ext12");
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a case-insensitive comparison instead
help: use std::path::Path
   |
LL ~     let _ = std::path::Path::new("str")
LL +         .extension()
LL ~         .map_or(false, |ext| ext.eq_ignore_ascii_case("ext12"));
   |

error: case-sensitive file extension comparison
  --> tests/ui/case_sensitive_file_extension_comparisons.rs:23:17
   |
LL |         let _ = "str".ends_with(".ext12");
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a case-insensitive comparison instead
help: use std::path::Path
   |
LL ~         let _ = std::path::Path::new("str")
LL +             .extension()
LL ~             .map_or(false, |ext| ext.eq_ignore_ascii_case("ext12"));
   |

error: case-sensitive file extension comparison
  --> tests/ui/case_sensitive_file_extension_comparisons.rs:30:13
   |
LL |     let _ = String::new().ends_with(".EXT12");
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a case-insensitive comparison instead
help: use std::path::Path
   |
LL ~     let _ = std::path::Path::new(&String::new())
LL +         .extension()
LL ~         .map_or(false, |ext| ext.eq_ignore_ascii_case("EXT12"));
   |

error: case-sensitive file extension comparison
  --> tests/ui/case_sensitive_file_extension_comparisons.rs:31:13
   |
LL |     let _ = "str".ends_with(".EXT12");
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider using a case-insensitive comparison instead
help: use std::path::Path
   |
LL ~     let _ = std::path::Path::new("str")
LL +         .extension()
LL ~         .map_or(false, |ext| ext.eq_ignore_ascii_case("EXT12"));
   |

error: aborting due to 6 previous errors