this derivation will be built:
  /nix/store/fr5nf12la3k8mhibziy2vy2a9zfg22ld-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/fr5nf12la3k8mhibziy2vy2a9zfg22ld-bcachefs-module-7.0.0-39-generic.drv'...