--- guix/import/crate.scm.prev	2020-03-24 17:44:45.000000000 +0300
+++ guix/import/crate.scm	2020-09-24 23:16:07.076901808 +0300
@@ -52,6 +52,7 @@
 ;; Crates.  A crate is essentially a "package".  It can have several
 ;; "versions", each of which has its own set of dependencies, license,
 ;; etc.--see <crate-version> below.
+(use-modules (json record))
 (define-json-mapping <crate> make-crate crate?
   json->crate
   (name          crate-name)                      ;string
--- guix/swh.scm.prev	2020-03-10 22:19:30.000000000 +0300
+++ guix/swh.scm	2020-09-24 23:11:45.910912646 +0300
@@ -251,6 +251,7 @@
        docstring
        (call (swh-url components ...) json->value)))))
 
+(use-modules (json record))
 ;; <https://archive.softwareheritage.org/api/1/origin/https://github.com/guix-mirror/guix/get>
 (define-json-mapping <origin> make-origin origin?
   json->origin
--- guix/cve.scm.prev	2019-10-23 17:40:23.000000000 +0300
+++ guix/cve.scm	2020-09-24 23:12:16.596911372 +0300
@@ -70,6 +70,7 @@
 (define (string->date* str)
   (string->date str "~Y-~m-~dT~H:~M~z"))
 
+(use-modules (json record))
 (define-json-mapping <cve-item> cve-item cve-item?
   json->cve-item
   (cve            cve-item-cve "cve" json->cve)   ;<cve>
--- guix/ci.scm.prev	2020-03-31 15:55:42.000000000 +0300
+++ guix/ci.scm	2020-09-24 23:08:53.074919818 +0300
@@ -52,6 +52,8 @@
 ;;;
 ;;; Code:
 
+(use-modules (json record))
+
 (define-json-mapping <build> make-build build?
   json->build
   (id          build-id "id")                     ;integer