It takes about 30 seconds here:
B4R version: 1.50
Parsing code. (0.01s)
Compiling code. (0.03s)
Building project (0.02s)
Compiling & deploying Ino project (WeMos D1 R2 & mini - COM56) (25.03s)
Sketch uses 241,793 bytes (23%) of program storage space. Maximum is 1,044,464 bytes.
Global variables use 33,068 bytes (40%) of dynamic memory, leaving 48,852 bytes for local variables. Maximum is 81,920 bytes.
Completed successfully.
Make sure that the UploadSpeed parameter in the board selector is set to the maximum value.