1these 13 derivations will be built:2 /nix/store/hg2ykqsrbwnp29l5r3hadfqq9xyjq1wi-unit-fast-nix-gc.service.drv3 /nix/store/klbjc1r7rm104py238ypdfild4jyj3m6-unit-fast-nix-optimise.service.drv4 /nix/store/hfz378n4iwq7dkzw1mvx4d5h0g1vd8z8-system-units.drv5 /nix/store/cqpyjm63lrlx3dh94a66jfhhl5sz1cwy-etc.drv6 /nix/store/2qh7m9c38ybyi3jglycbm32sbbizxjj8-activate.drv7 /nix/store/4qry71sppi092p6q3k9i55lsran0nd14-nixos-system-machine-test.drv8 /nix/store/1kca1c91byfd9nkm4afikcrhfkravqxs-closure-info.drv9 /nix/store/7ldh3y97cbnv3z288ddnfd528zs6gpw5-closure-info.drv10 /nix/store/vdkb18lq5h47zib3qc98xj57b64klm5c-run-nixos-vm.drv11 /nix/store/9pca4r411ahip3s1pgcx3w44szx8ww5c-nixos-vm.drv12 /nix/store/vvhjlpbvnmjzsvxynz0jhj1i6gr2qn68-driverConfiguration.json.drv13 /nix/store/1gi4l4x25xgajdz587zjhmwijya6bcra-nixos-test-driver-fast-nix-gc.drv14 /nix/store/y804gkmzkgs5qc0i8v43lwcg71himj7a-vm-test-run-fast-nix-gc.drv