this derivation will be built:
  /nix/store/f8bykz4vyznv7r9g9vfm5p4m51v6hgl4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/f8bykz4vyznv7r9g9vfm5p4m51v6hgl4-bcachefs-module-7.0.0-39-generic.drv'...