Hi Ludo,

I've checked guix-packages now and I see:

$ bzless $(guix build --log-file /gnu/store/q0s172fgb213c4jk7hvgkzsw0i1bq6j0-guix-packages.drv)

...
 31.4% of 407 files^Mcompiling...        31.7% of 407 files^Mcompiling...        31.9% of 407 files^Mcompiling...        32.2% of 407 files^Mcompiling...        32.4% of 407 files^Mcompiling...        32.7% of 407 files^Mcompiling...        32.9% of 407 files^Mcompiling...        33.2% of 407 files^Mcompiling...        33.4% of 407 files^Mcompiling...        33.7% of 407 files^Mcompiling...        33.9% of 407 files^Mcompiling...        34.2% of 407 files^Mcompiling...        34.4% of 407 files^Mcompiling...        34.6% of 407 files^Mcompiling...        34.9% of 407 files^Mcompiling...        35.1% of 407 files^Mcompiling...        35.4% of 407 files^Mcompiling...        35.6% of 407 files^Mcompiling...        35.9% of 407 files^Mcompiling...        36.1% of 407 files^Mcompiling...        36.4% of 407 files^Mcompiling...        36.6% of 407 files^Mcompiling...        36.9% of 407 files^Mcompiling...        37.1% of 407 files^Mcompiling...
        37.3% of 407 files^Mcompiling...        37.6% of 407 files^Mcompiling...        37.8% of 407 files^Mcompiling...        38.1% of 407 files^Mcompiling...        38.3% of 407 filesIn thread:
unexpected syntax
In thread:
no code for module (guix licenses)
^Mcompiling...   38.6% of 407 filesIn thread:
no code for module (guix licenses)
^Mcompiling...   38.8% of 407 filesIn thread:
no code for module (guix licenses)
^Mcompiling...  100.0% of 407 files

(Deleting ~/.cache/guile and ~/.cache/guix didn't help)