135/188: gnu: Add rust-tracing-0.1.

[guix-commits]

arunisaac pushed a commit to branch master
in repository guix.

commit cb1763263ee46d3425331597abd68862a5df8a6c
Author: Arun Isaac <arunisaac@systemreboot.net>
AuthorDate: Sun Sep 20 11:32:33 2020 +0530

    gnu: Add rust-tracing-0.1.
    
    * gnu/packages/crates-io.scm (rust-tracing-0.1): New variable.
---
 gnu/packages/crates-io.scm | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index de6b8f0..d7bfb97 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -28197,6 +28197,35 @@ server @code{Service} tests.")
 @code{Service}.")
     (license license:expat)))
 
+(define-public rust-tracing-0.1
+  (package
+    (name "rust-tracing")
+    (version "0.1.20")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "tracing" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0hwgbyflibmsz7x6v7ndchnx1qvv43pg18419ji2y7pflzkmngbi"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-tracing-attributes" ,rust-tracing-attributes-0.1)
+        ("rust-tracing-core" ,rust-tracing-core-0.1))
+       #:cargo-development-inputs
+       (("rust-criterion" ,rust-criterion-0.3)
+        ("rust-futures" ,rust-futures-0.1)
+        ("rust-log" ,rust-log-0.4))))
+    (home-page "https://tokio.rs";)
+    (synopsis "Application-level tracing for Rust")
+    (description "@code{rust-tracing} is a framework for instrumenting Rust
+programs to collect structured, event-based diagnostic information.")
+    (license license:expat)))
+
 
 (define-public rust-tracing-core-0.1
   (package