this derivation will be built: /nix/store/54dn0h1rm4zyjvzihg86w1gz2wsp7k8k-flake-inputs.drv building '/nix/store/54dn0h1rm4zyjvzihg86w1gz2wsp7k8k-flake-inputs.drv' post-build step Upload to niks3: ok time=2026-08-29T18:38:03.624Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)" time=2026-08-29T18:38:04.036Z level=INFO msg="Uploading 1 narinfos" time=2026-08-29T18:38:04.361Z level=INFO msg="Upload complete. (874ms)"