306/475: gnu: Add rust-1.68.

[guix-commits]

efraim pushed a commit to branch rust-team
in repository guix.

commit a1a17393f4a37f7fd932c28b7a4852a85d33028e
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Wed Mar 15 14:42:19 2023 +0200

    gnu: Add rust-1.68.
    
    * gnu/packages/rust.scm (rust-1.68): New variable.
---
 gnu/packages/rust.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 34cdf04f59..7d401897cc 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -696,6 +696,10 @@ safety and thread safety guarantees.")
       (inputs (modify-inputs (package-inputs base-rust)
                              (replace "llvm" llvm-15))))))
 
+(define rust-1.68
+  (rust-bootstrapped-package
+   rust-1.67 "1.68.0" "0qkdm4naj729bl72pl513p0xxpmcwyskmd8gfyj358i3kyqxix7a"))
+
 ;;; Note: Only the latest versions of Rust are supported and tested.  The
 ;;; intermediate rusts are built for bootstrapping purposes and should not
 ;;; be relied upon.  This is to ease maintenance and reduce the time