these 2 derivations will be built:
  /nix/store/qq2851hwbymx258bkbl8s528kgij48j9-trixnity-clj-bridge-0.0.1.drv
  /nix/store/vys0avgpspslsb1mcnwxarm01fc0xs2v-trixnity-clj-0.0.1.drv