these 2 derivations will be built:
  /nix/store/0z8v98045mjs6az9by3a1wd3yyam1zpw-flake-inputs.drv
  /nix/store/vki25j81j0dh7117n8dmqfx8cba36zlf-check-flake-inputs.drv
building '/nix/store/0z8v98045mjs6az9by3a1wd3yyam1zpw-flake-inputs.drv'
building '/nix/store/vki25j81j0dh7117n8dmqfx8cba36zlf-check-flake-inputs.drv'

upload niks3: ok