this derivation will be built:
  /nix/store/r4mzk4p1akzqhc84zpn56xxd73a6fa01-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/r4mzk4p1akzqhc84zpn56xxd73a6fa01-bcachefs-module-7.0.0-28-generic.drv'...