these 3 derivations will be built: /nix/store/f9b591z30sg1qlm2v3zs55hncbjk7zma-treefmt.toml.drv /nix/store/254901c4g7a0srmriyraivfry35nsab5-examples.drv /nix/store/8yw1rrp7v8jmsj067r91y8nxgny8xcfa-test-examples.drv this path will be fetched (3.8 MiB download, 12.6 MiB unpacked): /nix/store/gakca3q89iws07sifphm9m4b14v8adla-nufmt-0-unstable-2026-09-20 building '/nix/store/f9b591z30sg1qlm2v3zs55hncbjk7zma-treefmt.toml.drv' treefmt.toml> structuredAttrs is enabled building '/nix/store/254901c4g7a0srmriyraivfry35nsab5-examples.drv' building '/nix/store/8yw1rrp7v8jmsj067r91y8nxgny8xcfa-test-examples.drv' upload niks3: ok