Bump nightly version -> 2021-07-29

flip1995 · flip1995 · commit 7ed7b29d7372 · 2021-07-29T11:14:53.000+02:00
diff --git a/rust-toolchain b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-07-19"
+channel = "nightly-2021-07-29"
 components = ["llvm-tools-preview", "rustc-dev", "rust-src"]
