1these 8 derivations will be built:2 /nix/store/520ybgh2wgbgwalpnf19m59x38zcvsjm-nixos-26.05.20260921.1e8bc65.drv3 /nix/store/c6vsiscbn6h4hrswab2rj13j9i7ndr67-unit-script-nix-channel-init-start.drv4 /nix/store/gg7j732yawivhbp1jvslfhjqbf5grpls-unit-nix-channel-init.service.drv5 /nix/store/52mf1iqd3drziz2y0gblcim0s84nns8k-system-units.drv6 /nix/store/m37byma39dgnsd6517g5x89r4446iwpz-etc-nix-registry.json.drv7 /nix/store/n1zrpnkyc38f4539vavic8d8n5d1z61z-etc.drv8 /nix/store/s2avv7djf2zr1avjpkw6a5pkkw3wl98c-activate.drv9 /nix/store/3aca6nssr5wfdpbpi7q8m7s56rr3hp7k-nixos-system-flash-installer-26.05.20260921.1e8bc65.drv