error: RPC failed; curl 18 transfer closed with outstanding read data remaining

because have error when clone by HTTP protocol (curl command).

And, you should increment buffer size:

git config --global http.postBuffer 524288000

Reason: due to Http protocol error, when Pull or Clone. 
 
 Solution: Execute the git config --global http.postBuffer 524288000 command in Git Bash Here , 
　　　　　　　
　　　　　　　　and then execute the git pull or git clone command.