these 5 derivations will be built:
  /nix/store/5d5d0cmg0adscz4s0b6kmpa5wa6bihsf-source.drv
  /nix/store/48w1zwbambmllilgby0p6580kzbcfgv6-beads-1.3.1-go-modules.drv
  /nix/store/45g031mr6gcsgj7d55j3pq609zgda16h-beads-1.3.1.drv
  /nix/store/034ry1sskfr6hm8risjnnc4272hycjvw-gastown-1.2.1.drv
  /nix/store/nzrdwg2cy3lscypy6g15s3l15i7yjlnc-check-gastown.drv