Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "trybuild"
-version = "1.0.92"
+version = "1.0.93"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 categories = ["development-tools::testing"]
 description = "Test harness for ui tests of compiler diagnostics"
@@ -21,7 +21,6 @@ diff = ["dissimilar"]
 [dependencies]
 dissimilar = { version = "1.0", optional = true }
 glob = "0.3"
-once_cell = "1.9"
 serde = "1.0.194"
 serde_derive = "1.0.194"
 serde_json = "1.0.110"

src/flock.rs

@@ -1,5 +1,4 @@
 use crate::error::Result;
-use once_cell::sync::OnceCell;
 use std::fs::{self, File, OpenOptions};
 use std::io;
 use std::path::{Path, PathBuf};
@@ -8,7 +7,7 @@ use std::sync::{Arc, Mutex, MutexGuard, PoisonError};
 use std::thread;
 use std::time::{Duration, SystemTime};
 
-static LOCK: OnceCell<Mutex<()>> = OnceCell::new();
+static LOCK: Mutex<()> = Mutex::new(());
 
 pub(crate) struct Lock {
     intraprocess_guard: Guard,
@@ -43,11 +42,7 @@ impl Lock {
 
 impl Guard {
     fn acquire() -> Self {
-        Guard::Locked(
-            LOCK.get_or_init(|| Mutex::new(()))
-                .lock()
-                .unwrap_or_else(PoisonError::into_inner),
-        )
+        Guard::Locked(LOCK.lock().unwrap_or_else(PoisonError::into_inner))
     }
 }
 

src/lib.rs

@@ -208,7 +208,7 @@
 //! makes error messages that we care about substantially worse, it is also
 //! important to catch and report as a compiler issue.
 
-#![doc(html_root_url = "https://docs.rs/trybuild/1.0.92")]
+#![doc(html_root_url = "https://docs.rs/trybuild/1.0.93")]
 #![allow(
     clippy::collapsible_if,
     clippy::default_trait_access,

src/term.rs

@@ -1,9 +1,8 @@
-use once_cell::sync::OnceCell;
 use std::io::{Result, Write};
-use std::sync::{Mutex, MutexGuard, PoisonError};
+use std::sync::{Mutex, MutexGuard, OnceLock, PoisonError};
 use termcolor::{Color, ColorChoice, ColorSpec, StandardStream as Stream, WriteColor};
 
-static TERM: OnceCell<Mutex<Term>> = OnceCell::new();
+static TERM: OnceLock<Mutex<Term>> = OnceLock::new();
 
 pub(crate) fn lock() -> MutexGuard<'static, Term> {
     TERM.get_or_init(|| Mutex::new(Term::new()))