diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 77b9ae2b46..65cabf0053 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -5,6 +5,9 @@ version = "0.1.0"
 authors = ["rust-analyzer developers"]
 publish = false
 
+[lib]
+doctest = false
+
 [dependencies]
 walkdir = "2.1.3"
 pico-args = "0.3.0"
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 663e281035..4b1f0c887d 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -9,11 +9,10 @@
 //! `.cargo/config`.
 mod help;
 
+use std::{env, fmt::Write, path::PathBuf, str};
+
 use anyhow::Context;
-use core::fmt::Write;
-use core::str;
 use pico_args::Arguments;
-use std::{env, path::PathBuf};
 use xtask::{
     codegen::{self, Mode},
     install_pre_commit_hook, reformat_staged_files, run, run_clippy, run_fuzzer, run_rustfmt,
@@ -37,7 +36,7 @@ struct ServerOpt {
 }
 
 fn main() -> Result<()> {
-    if std::env::args().next().map(|it| it.contains("pre-commit")) == Some(true) {
+    if env::args().next().map(|it| it.contains("pre-commit")) == Some(true) {
         return reformat_staged_files();
     }