this derivation will be built: /nix/store/9z3cvkqz5fjx1yw4jrb03fnfv7rpd2d8-flake-inputs.drv building '/nix/store/9z3cvkqz5fjx1yw4jrb03fnfv7rpd2d8-flake-inputs.drv' post-build step Upload to niks3: ok time=2026-08-31T10:08:44.290Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)" time=2026-08-31T10:08:44.861Z level=INFO msg="Uploading 1 narinfos" time=2026-08-31T10:08:45.353Z level=INFO msg="Upload complete. (2.391s)"