this derivation will be built:
  /nix/store/i78nc65hkr0d6k4s0wfvpkmag85396zh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/i78nc65hkr0d6k4s0wfvpkmag85396zh-bcachefs-module-7.0.0-39-generic.drv'...