Require Rust 1.41 (was 1.40)

This is required for Result::map_or_else.

Additionally, run clippy with 1.41 as well. Otherwise it reports
suggestions that are not compatible with 1.41.

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         platform: [ubuntu-latest, macos-latest, windows-latest]
-        rust: [1.40.0, stable]
+        rust: [1.41.1, stable]
     runs-on: ${{ matrix.platform }}
     steps:
       - uses: actions/checkout@v2
@@ -45,7 +45,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-            toolchain: 1.46.0
+            toolchain: 1.41.1
             components: clippy
             override: true
       - uses: actions-rs/clippy-check@v1

src/cache.rs

@@ -242,7 +242,6 @@ impl Cache {
     }
 
     /// Delete the cache directory.
-    #[allow(clippy::map_err_ignore)]
     pub fn clear() -> Result<(), TealdeerError> {
         let (path, _) = Self::get_cache_dir()?;
         if path.exists() && path.is_dir() {

src/main.rs

@@ -61,7 +61,6 @@ const ARCHIVE_URL: &str = "https://github.com/tldr-pages/tldr/archive/master.tar
 const PAGER_COMMAND: &str = "less -R";
 
 #[derive(Debug, Deserialize)]
-#[allow(clippy::struct_excessive_bools)]
 struct Args {
     arg_command: Option<Vec<String>>,
     flag_help: bool,