this derivation will be built:
  /nix/store/q9rlqfsj1kwifqvyc231xxy9gp7q3gyg-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/q9rlqfsj1kwifqvyc231xxy9gp7q3gyg-bcachefs-module-7.0.0-39-generic.drv'...