these 4 derivations will be built:
  /nix/store/dwmwaxra4dpcl1ypwqky71v1d8bj6vh1-source.drv
  /nix/store/cnvwb8w6vvjna0x9xxd4k95hfx6b4y9i-workmux-0.1.248-vendor-staging.drv
  /nix/store/v2mackca3kdvf059606b1jh36zjnbz51-workmux-0.1.248-vendor.drv
  /nix/store/jryamn2r0vwh1xhcyj5jz1adffnx8vaw-workmux-0.1.248.drv