This is on commit 1b792e8b5275dc010c53d91062082340431204f2.

→ make check-system TESTS=basic
Compiling Scheme modules...
Selected 1 system tests...
The following derivation will be built:
   /gnu/store/7dyw16iakczr7qg89rb3rgbh443cvwpc-basic.drv
building /gnu/store/7dyw16iakczr7qg89rb3rgbh443cvwpc-basic.drv...
/gnu/store/13v06bndh09k1db50yndqi7610a9170k-qemu-5.2.0/bin/qemu-system-x86_64: error while loading shared libraries: libXcursor.so.1: cannot open shared object file: No such file or directory
Backtrace:
           4 (primitive-load "/gnu/store/kxwahrlahs75yr5j190n7f5sah9?")
In ice-9/eval.scm:
    619:8  3 (_ #f)
   626:19  2 (_ #<directory (guile-user) 7ffff1baff00>)
In gnu/build/marionette.scm:
    141:7  1 (make-marionette ("/gnu/store/s8cndczb6zz9al8l7nqk9hm?") ?)
    114:7  0 (accept* #<input-output: socket 10>)

gnu/build/marionette.scm:114:7: In procedure accept*:
timeout in 'accept' #<input-output: socket 10>
QEMU runs as PID 14
note: keeping build directory `/tmp/guix-build-basic.drv-3'
builder for `/gnu/store/7dyw16iakczr7qg89rb3rgbh443cvwpc-basic.drv' failed with exit code 1
build of /gnu/store/7dyw16iakczr7qg89rb3rgbh443cvwpc-basic.drv failed
View build log at '/var/log/guix/drvs/7d/yw16iakczr7qg89rb3rgbh443cvwpc-basic.drv.bz2'.
guix build: error: build of `/gnu/store/7dyw16iakczr7qg89rb3rgbh443cvwpc-basic.drv' failed
make: *** [Makefile:6923: check-system] Error 1