these 2 derivations will be built:
  /nix/store/h7ykxkib21grr16wp6845yhpl0kbx580-reasonix-1.39.6.drv
  /nix/store/sy225165yqghf0nmvjc603f7lhdqpb0a-check-reasonix.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy