these 4 derivations will be built:
  /nix/store/37w5ksy2a9cq0xlq2hnwvmhxpilm13h1-nu-check.drv
  /nix/store/1xs7x3lrlkyixp79l7nqc3nn4l7q562z-treefmt.toml.drv
  /nix/store/4wyk8hvixwgi67yh0hzi4acxi2m20y1y-treefmt.drv
  /nix/store/r3l9hr28nylxd7g8andikrrszxdhvlx7-nix-shell.drv
building '/nix/store/37w5ksy2a9cq0xlq2hnwvmhxpilm13h1-nu-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/37w5ksy2a9cq0xlq2hnwvmhxpilm13h1-nu-check.drv'
building '/nix/store/1xs7x3lrlkyixp79l7nqc3nn4l7q562z-treefmt.toml.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/1xs7x3lrlkyixp79l7nqc3nn4l7q562z-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/4wyk8hvixwgi67yh0hzi4acxi2m20y1y-treefmt.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/4wyk8hvixwgi67yh0hzi4acxi2m20y1y-treefmt.drv'
building '/nix/store/r3l9hr28nylxd7g8andikrrszxdhvlx7-nix-shell.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/r3l9hr28nylxd7g8andikrrszxdhvlx7-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-08-13T09:48:39.772Z level=INFO msg="Uploading 4 paths to niks3.numtide.com (261 already cached)"
time=2026-08-13T09:48:39.772Z level=INFO msg="Uploading rcrlyj30my7z2shm89a571hvi2kgwfmm-treefmt.toml (2.4KB)"
time=2026-08-13T09:48:39.824Z level=INFO msg="Uploading j5sqjsk2as3x4y48lb89siilpf2bis8v-nix-shell (8.8KB)"
time=2026-08-13T09:48:39.824Z level=INFO msg="Uploading 0pk1pw2fpvllnk53d73lsc5600dxihc1-nu-check (808B)"
time=2026-08-13T09:48:39.839Z level=INFO msg="Uploading l9s82kq956l1hnfkx5nniym86b4jyd35-treefmt (776B)"
time=2026-08-13T09:48:40.765Z level=INFO msg="Uploading 4 narinfos"
time=2026-08-13T09:48:41.334Z level=INFO msg="Upload complete. (2.408s)"