Switch to 2021 edition

2 files changed, 7 insertions, 5 deletions

diff --git a/crates/runner/src/init.rs b/crates/runner/src/init.rs
index 783faf4..b2ebbe3 100644
--- a/crates/runner/src/init.rs
+++ b/crates/runner/src/init.rs
@@ -14,23 +14,23 @@ fn prepare_rootfs(rootfs: &str) -> Result<()> {
 	mount::mount::<_, _, str, str>(Some(rootfs), rootfs, None, MsFlags::MS_BIND, None)
 		.context("Failed to bind mount container rootfs")?;
 
-	for dir in IntoIterator::into_iter(["pts", "shm"]) {
+	for dir in ["pts", "shm"] {
 		fs::mkdir(paths::join(&[rootfs, "dev", dir]))?;
 	}
 
-	for (link, target) in IntoIterator::into_iter([
+	for (link, target) in [
 		("fd", "/proc/self/fd"),
 		("stdin", "/proc/self/fd/0"),
 		("stdout", "/proc/self/fd/1"),
 		("stderr", "/proc/self/fd/2"),
 		("ptmx", "pts/ptmx"),
-	]) {
+	] {
 		let path = paths::join(&[rootfs, "dev", link]);
 		std::os::unix::fs::symlink(target, &path)
 			.with_context(|| format!("Failed to create link {}", path))?;
 	}
 
-	for dev in IntoIterator::into_iter(["null", "zero", "full", "random", "urandom", "tty"]) {
+	for dev in ["null", "zero", "full", "random", "urandom", "tty"] {
 		let source = paths::join(&["/dev", dev]);
 		let target = paths::join(&[rootfs, "dev", dev]);
 		fs::create(&target)?;
diff --git a/crates/runner/src/lib.rs b/crates/runner/src/lib.rs
index d0d8317..21289cf 100644
--- a/crates/runner/src/lib.rs
+++ b/crates/runner/src/lib.rs
@@ -119,7 +119,9 @@ pub struct Runner {
 impl Runner {
 	/// Creates a new container runner
 	///
-	/// Unsafe: Do not call in multithreaded processes
+	/// # Safety
+	///
+	/// Do not call in multithreaded processes.
 	pub unsafe fn new(options: &Options) -> Result<Self> {
 		let lockfile = unix::lock(paths::LOCKFILE, true, false)
 			.context("Failed to get lock on build directory, is another instance running?")?;