these 2 derivations will be built:
  /nix/store/rkdmjrgxlabgjflc760ncxw14r6mvmp4-flake-inputs.drv
  /nix/store/y548nv84n20cmvh9v3fbq9v3gxhfwjj8-check-flake-inputs.drv
building '/nix/store/rkdmjrgxlabgjflc760ncxw14r6mvmp4-flake-inputs.drv'
building '/nix/store/y548nv84n20cmvh9v3fbq9v3gxhfwjj8-check-flake-inputs.drv'

upload niks3: ok