bug#29769: Hydra evaluation failed

[Mark H Weaver]

Here's the tail of the evaluator's output:

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;;; compiled 
/home/hydra/.cache/guile/ccache/2.2-LE-8-3.A/gnu/store/rachfrd3vfbxc4kqbb4lbyjmnjh80xj6-git-export/gnu/tests/version-control.scm.go
;;; compiling 
/gnu/store/rachfrd3vfbxc4kqbb4lbyjmnjh80xj6-git-export/build-aux/hydra/../../gnu/tests/virtualization.scm
;;; compiling 
/gnu/store/rachfrd3vfbxc4kqbb4lbyjmnjh80xj6-git-export/build-aux/hydra/../../gnu/services/virtualization.scm
;;; compiled 
/home/hydra/.cache/guile/ccache/2.2-LE-8-3.A/gnu/store/rachfrd3vfbxc4kqbb4lbyjmnjh80xj6-git-export/gnu/services/virtualization.scm.go
;;; compiled 
/home/hydra/.cache/guile/ccache/2.2-LE-8-3.A/gnu/store/rachfrd3vfbxc4kqbb4lbyjmnjh80xj6-git-export/gnu/tests/virtualization.scm.go
;;; compiling 
/gnu/store/rachfrd3vfbxc4kqbb4lbyjmnjh80xj6-git-export/build-aux/hydra/../../gnu/tests/web.scm
;;; compiled 
/home/hydra/.cache/guile/ccache/2.2-LE-8-3.A/gnu/store/rachfrd3vfbxc4kqbb4lbyjmnjh80xj6-git-export/gnu/tests/web.scm.go
evaluating for 'i686-linux' (heap size: 973.0 MiB)...
evaluating for 'armhf-linux' (heap size: 1087.0 MiB)...
Backtrace:
In srfi/srfi-1.scm:
   592:29 19 (map1 (#<<service> type: #<service-type nscd 17fcf23?> ?))
   592:29 18 (map1 (#<<service> type: #<service-type guix 17fcf14?> ?))
   592:29 17 (map1 (#<<service> type: #<service-type urandom-seed?> ?))
   592:29 16 (map1 (#<<service> type: #<service-type syslog 17fcf?> ?))
   592:29 15 (map1 (#<<service> type: #<service-type static-netwo?> ?))
   592:29 14 (map1 (#<<service> type: #<service-type mingetty 302?> ?))
   592:29 13 (map1 (#<<service> type: #<service-type mingetty 302?> ?))
   592:29 12 (map1 (#<<service> type: #<service-type mingetty 302?> ?))
   592:29 11 (map1 (#<<service> type: #<service-type mingetty 302?> ?))
   592:29 10 (map1 (#<<service> type: #<service-type mingetty 302?> ?))
   592:29  9 (map1 (#<<service> type: #<service-type mingetty 302?> ?))
   592:29  8 (map1 (#<<service> type: #<service-type console-font?> ?))
   592:17  7 (map1 (#<<service> type: #<service-type nginx 2c0d1d?> ?))
In gnu/services/web.scm:
   374:19  6 (nginx-shepherd-service #<<nginx-configuration> nginx: ?>)
   366:33  5 (nginx-action . _)
   315:11  4 (default-nginx-config _)
In srfi/srfi-1.scm:
   592:17  3 (map1 (#<<nginx-server-configuration> listen: "8042" s?>))
In gnu/services/web.scm:
    249:5  2 (emit-nginx-server-config _)
In srfi/srfi-1.scm:
    589:5  1 (map #<procedure 7fe361985c18 at gnu/services/web.scm:?> ?)
In unknown file:
           0 (scm-error wrong-type-arg "map" "Wrong type argument: ?" ?)

ERROR: In procedure scm-error:
ERROR: In procedure map: Wrong type argument: "8042"

Some deprecated features have been used.  Set the environment
variable GUILE_WARN_DEPRECATED to "detailed" and rerun the
program to get more information.  Set it to "no" to suppress
this message.
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