@civodul just tried it

$ ./pre-inst-env guix repl
scheme@(guix-user)> ,use(guix)
scheme@(guix-user)> ,use(guix utils)
scheme@(guix-user)> ,use(gnu packages base)
scheme@(guix-user)> (%current-system "i586-gnu")
$1 = "x86_64-linux"
scheme@(guix-user)> ,make-flags coreutils
scheme@(guix-user)> ,make-flags coreutils
$3 = (list (string-append "XFAIL_TESTS="
" test-fdutimensat"
" test-futimens"
" test-linkat"
" test-renameat"
" test-renameatu"
" test-utimensat"))

-- lovely!