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-rw-r--r--gnu/packages/crates-io.scm23
1 files changed, 23 insertions, 0 deletions
diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 3a906af89a..2f9608750c 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -1604,6 +1604,29 @@ fixed set of worker threads.")
(description "Mock a Tokio task")
(license license:expat)))
+(define-public rust-tracing-core
+ (package
+ (name "rust-tracing-core")
+ (version "0.1.2")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (crate-uri "tracing-core" version))
+ (file-name (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32
+ "01fa73wzw2m5ybi3kkd52dgrw97mgc3i6inmhwys46ab28giwnxi"))))
+ (build-system cargo-build-system)
+ (arguments
+ `(#:cargo-inputs
+ (("rust-lazy-static" ,rust-lazy-static))))
+ (home-page "https://tokio.rs")
+ (synopsis "Core primitives for application-level tracing")
+ (description
+ "Core primitives for application-level tracing.")
+ (license (list license:asl2.0
+ license:expat))))
+
(define-public rust-typenum
(package
(name "rust-typenum")