chore: update the target compiler version to nightly-2022-06-01

yvt · yvt · commit c476c2afe74d · 2022-06-01T21:23:22.000+09:00
diff --git a/rust-toolchain b/rust-toolchain
@@ -1 +1 @@
-nightly-2022-05-20
+nightly-2022-06-01
