build: go1.14 + address tlsconf deprecation notice

fixes #286

.circleci/config.yml

@@ -6,6 +6,7 @@ workflows:
       - build-1.11
       - build-1.12
       - build-1.13
+      - build-1.14
       - build-latest
       - test-build-in-docker
 jobs:
@@ -111,6 +112,11 @@ jobs:
     docker:
     - image: circleci/golang:1.13
 
+  build-1.14:
+    <<: *build-latest
+    docker:
+    - image: circleci/golang:1.14
+
   # this job tries to mimic the build-in-docker instructions
   # given in docs/installation.rst
   #

tlsconf/tlsconf.go

@@ -121,7 +121,6 @@ func ClientAuthClient(serverName string, rootCA *x509.CertPool, clientCert tls.C
 		ServerName:   serverName,
 		KeyLogWriter: keylogFromEnv(),
 	}
-	tlsConfig.BuildNameToCertificate()
 	return tlsConfig, nil
 }