gnu: Add rust-lazy-regex-proc-macros-3.

* gnu/packages/crates-io.scm (rust-lazy-regex-proc-macros-3): New
variable.

Change-Id: Iacd350e068cd1b7e7cd9315451984838414606cb

gnu/packages/crates-io.scm

@@ -36068,6 +36068,29 @@ generated by LALRPOP.")
      "This crate provides simple methods to cast from and into byte arrays.")
     (license license:boost1.0)))
 
+(define-public rust-lazy-regex-proc-macros-3
+  (package
+    (name "rust-lazy-regex-proc-macros")
+    (version "3.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "lazy-regex-proc_macros" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "02zgaxdq95s0xm4svbdz6f4xkf4kncl5gjfdzyxgr9wpdj7dbg24"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f      ; cannot find macro `regex_replace_all` in this scope
+       #:cargo-inputs (("rust-proc-macro2" ,rust-proc-macro2-1)
+                       ("rust-quote" ,rust-quote-1)
+                       ("rust-regex" ,rust-regex-1)
+                       ("rust-syn" ,rust-syn-2))))
+    (home-page "https://github.com/Canop/lazy-regex")
+    (synopsis "Proc macros for the lazy_regex crate")
+    (description "This package provides proc macros for the lazy_regex crate.")
+    (license license:expat)))
+
 (define-public rust-lazy-static-1
   (package
     (name "rust-lazy-static")