this derivation will be built:
  /nix/store/czs5ayvz02a6p9xzg3i9z29av200pymi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/czs5ayvz02a6p9xzg3i9z29av200pymi-bcachefs-module-7.0.0-39-generic.drv'...