these 4 derivations will be built:
  /nix/store/5rd3xsalasw02vxyp2ri330p3fn73mrf-source.drv
  /nix/store/52c69r8zsxv1wdzwi33zgd1i6pwcp5wq-gitnexus-1.6.12-npm-deps.drv
  /nix/store/l7pzzlwkl044r81nvk1rsdf2g1wr6rl9-gitnexus-1.6.12.drv
  /nix/store/ib26ypsppylhdjnw08xsyvgbn5dbhxqw-check-gitnexus.drv