these 2 derivations will be built:
  /nix/store/s665sm6nnz2gj3mp1irv9r6cbbj69clx-flake-inputs.drv
  /nix/store/ycnmh1ks1hy3dkczi8glb2mjpcqglm5r-check-flake-inputs.drv
building '/nix/store/s665sm6nnz2gj3mp1irv9r6cbbj69clx-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/s665sm6nnz2gj3mp1irv9r6cbbj69clx-flake-inputs.drv'
building '/nix/store/ycnmh1ks1hy3dkczi8glb2mjpcqglm5r-check-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/ycnmh1ks1hy3dkczi8glb2mjpcqglm5r-check-flake-inputs.drv'

upload niks3: ok