fix clippy

Author: Firestar99

Cargo.toml

@@ -67,3 +67,4 @@ pattern_type_mismatch = { level = "allow", priority = 1 }
 std_instead_of_alloc = { level = "allow", priority = 1 }
 arbitrary_source_item_ordering = { level = "allow", priority = 1 }
 missing_inline_in_public_items = { level = "allow", priority = 1 }
+doc_paragraphs_missing_punctuation = { level = "allow", priority = 1 }

crates/xtask/src/main.rs

@@ -36,6 +36,7 @@ enum Cli {
     },
 }
 
+/// run some cmd
 fn cmd(args: impl IntoIterator<Item = impl AsRef<str>>) -> anyhow::Result<()> {
     let mut args = args.into_iter();
     let mut cmd = std::process::Command::new(args.next().context("no args")?.as_ref());