these 3 derivations will be built:
  /nix/store/6hz1ba5j3q25irpv8yyvmd5nfnj35v8i-workmux-0.1.247-vendor-staging.drv
  /nix/store/wpafdii5y2k3rwvcpbih4vzh1pjnkfn6-workmux-0.1.247-vendor.drv
  /nix/store/6fxnl3r3ybcsjvcvbxvnvjq8j6y92xdn-workmux-0.1.247.drv