this derivation will be built:
  /nix/store/vnyzxncqs2a7i2l9nj9ba7qwl4nqj44m-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vnyzxncqs2a7i2l9nj9ba7qwl4nqj44m-bcachefs-module-7.0.0-39-generic.drv'...