This one does not build and fails during the reset-gzip-timestamps
phase.
Excerpt from the log:

#+begin_src log
phase `install-license-files' succeeded after 0.0 seconds
starting phase `reset-gzip-timestamps'
Backtrace:
          10 (primitive-load "/gnu/store/x8mkcdn21m1n9zwwy6n6ap8bcw9…")
In ice-9/eval.scm:
   191:35  9 (_ _)
In ice-9/boot-9.scm:
    152:2  8 (with-fluid* _ _ _)
    152:2  7 (with-fluid* _ _ _)
In srfi/srfi-1.scm:
   863:16  6 (every1 #<procedure 537020 at /gnu/store/228yfv8c0q7l6…> …)
In /gnu/store/228yfv8c0q7l6m8xri4nhkfh6ix8lbdp-module-import/guix/build/gnu-build-system.scm:
   799:28  5 (_ _)
    598:5  4 (reset-gzip-timestamps #:outputs _)
In srfi/srfi-1.scm:
    640:9  3 (for-each #<procedure process-directory (directory)> (#))
    640:9  2 (for-each #<procedure reset-gzip-timestamp (file #:key…> …)
In /gnu/store/228yfv8c0q7l6m8xri4nhkfh6ix8lbdp-module-import/guix/build/utils.scm:
   231:14  1 (reset-gzip-timestamp "/gnu/store/6xg7rr9g75vjj6sm2h71…" …)
In unknown file:
           0 (open "/gnu/store/6xg7rr9g75vjj6sm2h7117sqcqxb0hh0-sbc…" …)

ERROR: In procedure open:
In procedure open-fdes: Permission denied
#+end_src

Any idea?

-- 
Pierre Neidhardt
https://ambrevar.xyz/