Auto merge of rust-lang#7313 - flip1995:rustup, r=flip1995

Rustup

Empty rustup. No changes to Clippy in the Rust repo for the last 2 weeks 😮

changelog: none

Author: bors

rust-toolchain

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-05-20"
+channel = "nightly-2021-06-03"
 components = ["llvm-tools-preview", "rustc-dev", "rust-src"]