this derivation will be built:
  /nix/store/84idmb2l8yv1diypj4vcwvs018wdw5mr-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/84idmb2l8yv1diypj4vcwvs018wdw5mr-bcachefs-module-7.0.0-34-generic.drv'...