Merge pull request #1421 from AndrewRademacher/issue-1254

Applied fix for #1254

build-constraints.yaml

@@ -1895,8 +1895,7 @@ packages:
 
     "Andrew Rademacher <andrewrademacher@gmail.com>":
         - aeson-casing
-        # https://github.com/fpco/stackage/pull/1254
-        #- graylog
+        - graylog
 
     "Callum Rogers @CRogers":
         - should-not-typecheck
@@ -2761,6 +2760,9 @@ expected-test-failures:
 
     # https://github.com/danidiaz/process-streaming/issues/13
     - process-streaming
+
+    # https://github.com/fpco/stackage/pull/1254
+    - graylog
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run