these 4 derivations will be built:
  /nix/store/00kf043hdi0qlrv4d7agbrmffj1c14mf-source.drv
  /nix/store/8sk16gkbdhcw1yhw7rypbsas7ckv2i0a-premake-4.3.drv
  /nix/store/80yfkhx9d5aqcnj8fc6wqg481jc58rj0-bootil-unstable-2019-11-18.drv
  /nix/store/x3slwvswlcgym1nwpgp6r6sl1mm00s0a-gmad-unstable-2020-02-24.drv
these 2 paths will be fetched (764.1 KiB download, 2.1 MiB unpacked):
  /nix/store/a4h87vrw6fsas4vgf10j4n8g1jjapdjj-premake-4.3-src.zip
  /nix/store/y1jz21byl1bzmxlqmp4aydx92srhdg72-source