travis: skip cleanup on deploy and disable cache

.travis.yml

@@ -3,8 +3,8 @@ language: rust
 rust:
   - 1.41.1
 
-cache:
-  cargo
+# cache:
+#  cargo
 
 os:
   - linux
@@ -39,6 +39,7 @@ deploy:
       repo: Joystream/substrate-node-joystream
     draft: true
     overwrite: true
+    skip_cleanup: true
   - provider: releases
     api_key:
       secure: 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
@@ -49,3 +50,4 @@ deploy:
     draft: true
     prerelease: true
     overwrite: true
+    skip_cleanup: true