these 3 derivations will be built:
  /nix/store/9lvhphaw6a6i1jzzkyy9vxys7di3zgxb-workmux-0.1.277-vendor.drv
  /nix/store/yiks26khps9smbzz3jbbl8h8zsdj4g9l-workmux-0.1.277.drv
  /nix/store/mss9rq5iklgqxw1hw9idmzgyay20l5qd-check-workmux.drv