these 2 derivations will be built:
  /nix/store/jl0wbsjljvh3n9y6njvjmd2lvzcpm4yn-showboat-0.6.1.drv
  /nix/store/rk31ax2h4xp3d9hyjckp6hy54qc0xfs6-check-showboat.drv
these 2 paths will be fetched (0.0 KiB download, 215.0 KiB unpacked):
  /nix/store/d919a6n2iw46r92rys8dibyfk9gfbpx8-showboat-0.6.1-go-modules
  /nix/store/az454n5bq53dk66jaw32g85gbdb4gvyk-source