bug#30602: guix pull failures at and after 0458ab53f6ab58c42f379b8e7d55d130df4232e3

[Alex ter Weele]

Here it is:

    $ bzcat $(guix build --log-file 
/gnu/store/ciawm53ygcvs7gfpb54wpzb4kkgnag9i-guix-latest.drv)
    copying and compiling to 
'/gnu/store/r82flrikwwd6ir0qlbc8ssm1n1m2z9dw-guix-latest' with Guile 2.2.3...
    loading...   25.9% of 667 filesrandom seed for tests: 1519531629
    compiling...        100.0% of 667 files
    Backtrace:
    Exception thrown while printing backtrace:
    In procedure public-lookup: Module named (system repl debug) does not exist


    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.