gnu: Add rust-tokio-threadpool-0.1.

* gnu/packages/crates-io.scm (rust-tokio-threadpool-0.1): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/crates-io.scm

@@ -6023,6 +6023,44 @@ the current thread.")
     (description "TCP bindings for tokio.")
     (license license:expat)))
 
+(define-public rust-tokio-threadpool-0.1
+  (package
+    (name "rust-tokio-threadpool")
+    (version "0.1.14")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "tokio-threadpool" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1wkj3wixicsqvllm8w74b24knw6mdn00zslm8l9fm1p81gr8lmbj"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-crossbeam-deque" ,rust-crossbeam-deque-0.7)
+        ("rust-crossbeam-queue" ,rust-crossbeam-queue-0.1)
+        ("rust-crossbeam-utils" ,rust-crossbeam-utils-0.6)
+        ("rust-futures" ,rust-futures-0.1)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-num-cpus" ,rust-num-cpus-1.10)
+        ("rust-rand" ,rust-rand-0.4)
+        ("rust-slab" ,rust-slab-0.4)
+        ("rust-tokio-executor" ,rust-tokio-executor-0.1))
+       #:cargo-development-inputs
+       (("rust-env-logger" ,rust-env-logger-0.6)
+        ("rust-futures-cpupool" ,rust-futures-cpupool-0.1)
+        ("rust-threadpool" ,rust-threadpool-1.7))))
+    (home-page "https://github.com/tokio-rs/tokio")
+    (synopsis
+     "Task scheduler backed by a work-stealing thread pool")
+    (description
+     "This package provides a task scheduler backed by a work-stealing thread
+pool.")
+    (license license:expat)))
+
 (define-public rust-toml-0.5
   (package
     (name "rust-toml")