these 4 derivations will be built:
  /nix/store/qp0xyjbhjakbyidyww082v1x24hcmp4n-source.drv
  /nix/store/9j5kdgld3zg4k7jnciqbz6n3813m3ssv-workmux-0.1.224-vendor-staging.drv
  /nix/store/gryy83f5wlqjw5x0hrb9pcphdm3xr3yl-workmux-0.1.224-vendor.drv
  /nix/store/7y2pyfdax6zwx1vrr1h461qxwlbqyvai-workmux-0.1.224.drv