warning: collision encountered:
  /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/girepository-1.0/GdkPixdata-2.0.typelib
  /gnu/store/jijcnpjglxnfbbxj30cnfqxjj1ijn40a-gdk-pixbuf-2.40.0/lib/girepository-1.0/GdkPixdata-2.0.typelib
warning: choosing /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/girepository-1.0/GdkPixdata-2.0.typelib

warning: collision encountered:
  /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/girepository-1.0/GdkPixbuf-2.0.typelib
  /gnu/store/jijcnpjglxnfbbxj30cnfqxjj1ijn40a-gdk-pixbuf-2.40.0/lib/girepository-1.0/GdkPixbuf-2.0.typelib
warning: choosing /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/girepository-1.0/GdkPixbuf-2.0.typelib

warning: collision encountered:
  /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/pkgconfig/gdk-pixbuf-2.0.pc
  /gnu/store/jijcnpjglxnfbbxj30cnfqxjj1ijn40a-gdk-pixbuf-2.40.0/lib/pkgconfig/gdk-pixbuf-2.0.pc
warning: choosing /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/pkgconfig/gdk-pixbuf-2.0.pc

warning: collision encountered:
  /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/pkgconfig/gdk-pixbuf-xlib-2.0.pc
  /gnu/store/jijcnpjglxnfbbxj30cnfqxjj1ijn40a-gdk-pixbuf-2.40.0/lib/pkgconfig/gdk-pixbuf-xlib-2.0.pc
warning: choosing /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/pkgconfig/gdk-pixbuf-xlib-2.0.pc

warning: collision encountered:
  /gnu/store/k98xlv5ibm0py30sc1mhabbkh1ib780a-libjpeg-turbo-2.0.5/lib/pkgconfig/libjpeg.pc
  /gnu/store/1qpb4akvgi3l2zcdjrqs1apvzzxksglv-libjpeg-9d/lib/pkgconfig/libjpeg.pc
warning: choosing /gnu/store/k98xlv5ibm0py30sc1mhabbkh1ib780a-libjpeg-turbo-2.0.5/lib/pkgconfig/libjpeg.pc

warning: collision encountered:
  /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
  /gnu/store/jijcnpjglxnfbbxj30cnfqxjj1ijn40a-gdk-pixbuf-2.40.0/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
warning: choosing /gnu/store/rmib6f7s0xvby2x4wpbcrv0f8ckgawxi-gdk-pixbuf+svg-2.40.0/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache

warning: collision encountered:
  /gnu/store/f4pbqggzqhxbkly7j164p6ai5a890qkm-ungoogled-chromium-87.0.4280.66-0.1f7cdef/lib/libEGL.so
  /gnu/store/k37mzqa5f0dr3iy88hym93r6qy3q8mqm-mesa-20.1.9/lib/libEGL.so
warning: choosing /gnu/store/f4pbqggzqhxbkly7j164p6ai5a890qkm-ungoogled-chromium-87.0.4280.66-0.1f7cdef/lib/libEGL.so
Backtrace:
           4 (primitive-load "/gnu/store/lfqjilk6ml3w59fvai9x680acky…")
In guix/build/profiles.scm:
    157:2  3 (build-profile "/gnu/store/34cg98nfndq6kdy9wbsg1iyh2al…" …)
In unknown file:
           2 (hash-for-each #<procedure 7ffff5bc4f40 at guix/build/…> …)
           1 (hash-for-each #<procedure 7ffff5bc45c0 at guix/build/…> …)
In guix/build/union.scm:
   144:11  0 (_ _ _)

guix/build/union.scm:144:11: union-build: collision between file and directories ((files ("/gnu/store/xkyamc0n3jhbw9v0zsyxmv23nvl9s720-openjdk-14.0/lib/modules")) (dirs ("/gnu/store/zkxq1fa>