gnu: rust-xz: Move to (gnu packages crates-compression).

* gnu/packages/crates-io.scm (rust-xz-0.1, rust-xz2-0.1): Move from here
* gnu/packages/crates-compression.scm: ... to here.

Change-Id: If8173e2a963d868ef097eaf28079c1a523b6a8ec

gnu/packages/crates-compression.scm

@@ -1582,6 +1582,63 @@ streaming API for miniz_oxide.")
      "This package provides FFI bindings to unrar (with minimal abstractions).")
     (license license:expat)))
 
+(define-public rust-xz-0.1
+  (package
+    (name "rust-xz")
+    (version "0.1.0")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "xz" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0d6sq57g1969hjl5k7gzzdbyr60za9hk8qs9iqz26biazy87d21w"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs (("rust-xz2" ,rust-xz2-0.1))))
+    (native-inputs
+     (list pkg-config xz))
+    (home-page "https://github.com/alexcrichton/xz2-rs")
+    (synopsis "Alias of `xz2` crate")
+    (description
+     "Rust bindings to @code{liblzma} providing Read/Write streams as well as
+low-level in-memory encoding/decoding.  Alias of @code{xz2} crate.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-xz2-0.1
+  (package
+    (name "rust-xz2")
+    (version "0.1.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "xz2" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1qk7nzpblizvayyq4xzi4b0zacmmbqr6vb9fc0v1avyp17f4931q"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-test-flags
+       '("--release" "--"
+         ;; Not all files included in the tarball.
+         "--skip=standard_files")
+       #:cargo-inputs
+       (("rust-futures" ,rust-futures-0.1)
+        ("rust-lzma-sys" ,rust-lzma-sys-0.1)
+        ("rust-tokio-io" ,rust-tokio-io-0.1))
+       #:cargo-development-inputs
+       (("rust-quickcheck" ,rust-quickcheck-1)
+        ("rust-rand" ,rust-rand-0.8)
+        ("rust-tokio-core" ,rust-tokio-core-0.1))))
+    (native-inputs
+     (list pkg-config xz))
+    (home-page "https://github.com/alexcrichton/xz2-rs")
+    (synopsis "Rust bindings to liblzma")
+    (description "This package provides Rust bindings to liblzma providing
+Read/Write streams as well as low-level in-memory encoding and decoding.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-zip-2
   (package
     (name "rust-zip")