this derivation will be built:
  /nix/store/b3l61m19wgfylw14wsqlk6s5kah2mbw8-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b3l61m19wgfylw14wsqlk6s5kah2mbw8-bcachefs-module-7.0.0-39-generic.drv'...