this derivation will be built:
  /nix/store/pm7y38sfbzawdgdi93pgi07vc7kgv5n4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pm7y38sfbzawdgdi93pgi07vc7kgv5n4-bcachefs-module-7.0.0-39-generic.drv'...