WARNING: (guile-user): imported module (guix build utils) overrides core binding `delete'
Backtrace:
In ice-9/eval.scm:
   174:20 19 (_ #(#<directory (guile-user) 7fffefbabf00> #<variab?> ?))
   177:49 18 (lp (#<procedure 7fffee9cffa0 at ice-9/eval.scm:282:?> ?))
   177:49 17 (lp (#<procedure 7fffee9cff80 at ice-9/eval.scm:282:?> ?))
   177:49 16 (lp (#<procedure 7fffee9cff60 at ice-9/eval.scm:282:?> ?))
   177:49 15 (lp (#<procedure 7fffee9cff40 at ice-9/eval.scm:282:?> ?))
   177:49 14 (lp (#<procedure 7fffee9cff20 at ice-9/eval.scm:282:?> ?))
   177:49 13 (lp (#<procedure 7fffee9cff00 at ice-9/eval.scm:282:?> ?))
   177:49 12 (lp (#<procedure 7fffee9cfec0 at ice-9/eval.scm:222:?> ?))
   177:49 11 (lp (#<procedure 7fffee9cfea0 at ice-9/eval.scm:282:?> ?))
   177:49 10 (lp (#<procedure 7fffee9cfe80 at ice-9/eval.scm:226:?> ?))
   177:49  9 (lp (#<procedure 7fffee9cfe60 at ice-9/eval.scm:282:?> ?))
   177:49  8 (lp (#<procedure 7fffee9cfe40 at ice-9/eval.scm:226:?> ?))
   177:49  7 (lp (#<procedure 7fffee9cfe20 at ice-9/eval.scm:282:?> ?))
   177:49  6 (lp (#<procedure 7fffee9cfe00 at ice-9/eval.scm:282:?> ?))
   177:49  5 (lp (#<procedure 7fffee9cfde0 at ice-9/eval.scm:282:?> ?))
   177:49  4 (lp (#<procedure 7fffee9cfdc0 at ice-9/eval.scm:282:?> ?))
   177:49  3 (lp (#<procedure 7fffee9cfda0 at ice-9/eval.scm:282:?> ?))
   177:32  2 (lp (#<procedure 7fffee9cfba0 at ice-9/eval.scm:292:?> ?))
   293:34  1 (_ #(#(#<directory (guile-user) 7fffefbabf00> #<v?> ?) ?))
In guix/build/utils.scm:
    605:4  0 (alist-replace _ _ _ _)

guix/build/utils.scm:605:4: In procedure alist-replace:
Throw to key `match-error' with args `("match" "no matching pattern" ())'.