gnu: Add rust-rand-distr-0.4.

* gnu/packages/crates-io.scm (rust-rand-distr-0.4): New variable.

gnu/packages/crates-io.scm

@@ -39405,6 +39405,41 @@ tools for implementation.")
        #:cargo-inputs
        (("rust-rand-core" ,rust-rand-core-0.3))))))
 
+(define-public rust-rand-distr-0.4
+  (package
+    (name "rust-rand-distr")
+    (version "0.4.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "rand_distr" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0brd2946xfapm2bmhmczfbwck041x7khsfhqxw1f24kxis7m8kcn"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'configure 'patch-Cargo.toml
+           (lambda _
+             (substitute* '("Cargo.toml"
+                            "guix-vendor/rust-average-0.13.1.tar.gz/Cargo.toml")
+               ;; The resolver feature is not supported by this version of Cargo.
+               (("resolver = \"2\".*") "")))))
+       #:cargo-inputs
+       (("rust-average" ,rust-average-0.13)
+        ("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-rand" ,rust-rand-0.8)
+        ("rust-serde" ,rust-serde-1)
+        ("rust-special" ,rust-special-0.8))
+       #:cargo-development-inputs
+       (("rust-rand-pcg" ,rust-rand-pcg-0.3))))
+    (home-page "https://rust-random.github.io/book/")
+    (synopsis "Sampling from random number distributions")
+    (description "This package provides tool for sampling from random number
+distributions.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-rand-distr-0.3
   (package
     (name "rust-rand-distr")