these 10 derivations will be built:
  /nix/store/9fv5wj1c7yg3i4my6azs85fv1v55vf8r-unit-tinc.mesh.service.drv
  /nix/store/k6zbb7492878wck1187vwicn5w88qmj0-unit-tinc-auth.service.drv
  /nix/store/f87q2x17bp1226hpa3074irdj03ax6pb-system-units.drv
  /nix/store/pdkcnwhvd9p7b3davhsj829ry4cv1bxa-etc.drv
  /nix/store/1nzjqpyy563k31m7a7rd7dm5myfifnhl-activate.drv
  /nix/store/mf8cxkysplkslkik0rkd4zl4501bc28j-nixos-system-solo-test.drv
  /nix/store/8w0skgwfhhd7nxm7dgrs3az6dk2iyswy-run-solo-nspawn.drv
  /nix/store/3frp1inr4x7hbzf31820mivh7w917np8-driverConfiguration.json.drv
  /nix/store/kr90hy0x4z86mlm3kzp2br8mm9rypgrb-nixos-test-driver-tinc-auth-container.drv
  /nix/store/rlw1lqrbhrc89xd0sm93bbnhj7ldn2jq-container-test-run-tinc-auth-container.drv