The following derivations will be built:
  /gnu/store/d8ylk3bzzfygc63mghkvxk3d3b55rflq-home.drv
  /gnu/store/7rjnvh3fwa8wn7h6bs0cf4i82rfjw9v5-setup-environment.drv
building /gnu/store/7rjnvh3fwa8wn7h6bs0cf4i82rfjw9v5-setup-environment.drv...
Backtrace:
In ice-9/eval.scm:
   177:49 19 (lp (#<procedure 7ffff4004a40 at ice-9/eval.scm:282:?> ?))
   177:49 18 (lp (#<procedure 7ffff4004a20 at ice-9/eval.scm:282:?> ?))
   177:49 17 (lp (#<procedure 7ffff4004a00 at ice-9/eval.scm:282:?> ?))
   177:49 16 (lp (#<procedure 7ffff40049e0 at ice-9/eval.scm:282:?> ?))
   177:49 15 (lp (#<procedure 7ffff40049c0 at ice-9/eval.scm:282:?> ?))
   177:49 14 (lp (#<procedure 7ffff40049a0 at ice-9/eval.scm:282:?> ?))
   177:49 13 (lp (#<procedure 7ffff4004980 at ice-9/eval.scm:282:?> ?))
   177:49 12 (lp (#<procedure 7ffff4004960 at ice-9/eval.scm:282:?> ?))
   177:49 11 (lp (#<procedure 7ffff4004940 at ice-9/eval.scm:282:?> ?))
   177:49 10 (lp (#<procedure 7ffff4004920 at ice-9/eval.scm:282:?> ?))
   177:49  9 (lp (#<procedure 7ffff4004900 at ice-9/eval.scm:282:?> ?))
   177:49  8 (lp (#<procedure 7ffff40048e0 at ice-9/eval.scm:282:?> ?))
   177:49  7 (lp (#<procedure 7ffff40048c0 at ice-9/eval.scm:282:?> ?))
   177:49  6 (lp (#<procedure 7ffff40048a0 at ice-9/eval.scm:282:?> ?))
   177:49  5 (lp (#<procedure 7ffff4004880 at ice-9/eval.scm:282:?> ?))
   177:49  4 (lp (#<procedure 7ffff4004860 at ice-9/eval.scm:282:?> ?))
   177:32  3 (lp (#<procedure 7ffff4004840 at ice-9/eval.scm:182:?> ?))
   182:19  2 (proc #(#(#<directory (guile-user) 7ffff3fd7c80>) #<o?>))
   142:16  1 (compile-top-call #<directory (guile-user) 7ffff3fd7c80> ?)
In unknown file:
           0 (%resolve-variable (7 . ungexp) #<directory (guile-user?>)

ERROR: In procedure %resolve-variable:
Unbound variable: ungexp