Hello, I had the following failure while building core-updates: --8<---------------cut here---------------start------------->8--- PASS: tests/pngimage-full ============================================================================ Testsuite summary for libpng 1.6.37 ============================================================================ # TOTAL: 33 # PASS: 32 # SKIP: 0 # XFAIL: 0 # FAIL: 1 # XPASS: 0 # ERROR: 0 ============================================================================ See ./test-suite.log Please report to png-mng-implement@lists.sourceforge.net ============================================================================ make[3]: *** [Makefile:1456: test-suite.log] Error 1 make[3]: Leaving directory '/tmp/guix-build-libpng-1.6.37.drv-0/libpng-1.6.37' make[2]: *** [Makefile:1564: check-TESTS] Error 2 make[2]: Leaving directory '/tmp/guix-build-libpng-1.6.37.drv-0/libpng-1.6.37' make[1]: *** [Makefile:1997: check-am] Error 2 make[1]: Leaving directory '/tmp/guix-build-libpng-1.6.37.drv-0/libpng-1.6.37' make: *** [Makefile:1999: check] Error 2 Test suite failed, dumping logs. --- ./test-suite.log -------------------------------------------------------- ===================================== libpng 1.6.37: ./test-suite.log ===================================== # TOTAL: 33 # PASS: 32 # SKIP: 0 # XFAIL: 0 # FAIL: 1 # XPASS: 0 # ERROR: 0 .. contents:: :depth: 2 FAIL: tests/pngtest =================== Testing libpng version 1.6.37 with zlib version 1.2.11 libpng version 1.6.37 Copyright (c) 2018-2019 Cosmin Truta Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson Copyright (c) 1996-1997 Andreas Dilger Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. library (10637): libpng version 1.6.37 - April 14, 2019 pngtest (10637): libpng version 1.6.37 - April 14, 2019 Testing ./pngtest.png: Text compression[0]=-1 stereo mode = 1 vpAg = 100 x 100, units = 0 Text compression[0]=0 eXIf type MM, 52 bytes Image width = 91, height = 69 Files ./pngtest.png and pngout.png are different Was ./pngtest.png written with the same maximum IDAT chunk size (8192 bytes), filtering heuristic (libpng default), compression level (zlib default), and zlib version (1.2.11)? FAIL libpng FAILS test Default limits: width_max = 1000000 height_max = 1000000 cache_max = 1000 malloc_max = 8000000 FAIL tests/pngtest (exit status: 1) command "make" "check" "-j" "24" failed with status 2 builder for `/gnu/store/h9i04rx5f3p90ic3rkqaljg9cr448054-libpng-1.6.37.drv' failed with exit code 1 @ build-failed /gnu/store/h9i04rx5f3p90ic3rkqaljg9cr448054-libpng-1.6.37.drv - 1 builder for `/gnu/store/h9i04rx5f3p90ic3rkqaljg9cr448054-libpng-1.6.37.drv' failed with exit code 1 --8<---------------cut here---------------end--------------->8--- Retrying the build passed. Thanks, Maxim