these 3 derivations will be built:
  /nix/store/zzspf4j994drxg6m8s82lpr2i93h15bl-workmux-0.1.252-vendor-staging.drv
  /nix/store/8fchkzqw538bcglpivdj7s0hv1yyh86l-workmux-0.1.252-vendor.drv
  /nix/store/90s7bafkf9xfkcdm8lad1ivgdndahc33-workmux-0.1.252.drv