this derivation will be built:
  /nix/store/a3cpc0q4i0qk54xdn7527va1j664fwg9-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/a3cpc0q4i0qk54xdn7527va1j664fwg9-bcachefs-module-7.0.0-29-generic.drv'...