this derivation will be built:
  /nix/store/vvpy5cr9if8gz1qfrdjpw0akxwfaigza-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/vvpy5cr9if8gz1qfrdjpw0akxwfaigza-bcachefs-module-7.0.0-26-generic.drv'...