these 9 derivations will be built:
  /nix/store/qjpj7r4qgl760n4f0vaq6pj32m5m0gnq-unit-tinc-auth.service.drv
  /nix/store/0g0m7m44gnrr1kmhyn3xgiljs50ixcph-system-units.drv
  /nix/store/rmsn5mgmj2r66c0cslras5350s83l29f-etc.drv
  /nix/store/1wilivg7hr79f1d9kyvmxi6xsj4iccks-activate.drv
  /nix/store/qh1x51yhq101513wbhsn8cc95kmkhjhs-nixos-system-solo-test.drv
  /nix/store/083qzf977p1dl8plryp3i2kirp0kx6y5-run-solo-nspawn.drv
  /nix/store/2wvx01mkjn2fals6r5vfm499p46n4dii-driverConfiguration.json.drv
  /nix/store/zvszxk7dhpfwblb4jfdd96gx3x24hmfk-nixos-test-driver-tinc-auth-container.drv
  /nix/store/b0191faxh4y01bjiwvj6ianbr3a709qa-container-test-run-tinc-auth-container.drv