these 3 derivations will be built:
  /nix/store/96j89blwf7vdjh328hhm1i7ir876hih6-treefmt.toml.drv
  /nix/store/0wdqc98wfclr4wwcgff8cj75zj2wgpmr-examples.drv
  /nix/store/azbsla4h53mgadirb9as3nf11fwrz28i-test-examples.drv
building '/nix/store/96j89blwf7vdjh328hhm1i7ir876hih6-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/0wdqc98wfclr4wwcgff8cj75zj2wgpmr-examples.drv'
building '/nix/store/azbsla4h53mgadirb9as3nf11fwrz28i-test-examples.drv'

upload niks3: ok