these 2 derivations will be built:
  /nix/store/q3mmpq3y5hcypxy5lxrp5415yyj6w63d-flake-inputs.drv
  /nix/store/507mwb4r8v6x1810n0afvw6nkxgv7xrw-check-flake-inputs.drv
building '/nix/store/q3mmpq3y5hcypxy5lxrp5415yyj6w63d-flake-inputs.drv'
building '/nix/store/507mwb4r8v6x1810n0afvw6nkxgv7xrw-check-flake-inputs.drv'

upload niks3: ok