these 3 derivations will be built:
  /nix/store/izndh1cw9hp40xykrxhpkwgx2shz7ql3-source.drv
  /nix/store/17jpp95b0bpw06sq3l47nlikzdd8pjcm-plannotator-0.28.22.drv
  /nix/store/x5mnhs26m2b52k0sj5f9pcypbc19d8am-check-plannotator.drv