The output from the failed tests:

315/319 libvirt:syntax-check / sc_spacing-check  FAIL    2.5237786769866943 s (exit status (2,))

--- command ---
11:03:39 /usr/bin/make -C /builds/libvirt/libvirt/build/build-aux sc_spacing-check
--- stdout ---
make: Entering directory `/builds/libvirt/libvirt/build/build-aux'
spacing-check
/builds/libvirt/libvirt/build-aux/vc-list-files -C /builds/libvirt/libvirt | grep '\.c$' | xargs \
 /builds/libvirt/libvirt/build-aux/check-spacing.pl || \
  { echo 'build-aux/syntax-check.mk: incorrect formatting' 1>&2; exit 1; }
Curly brackets around single-line body:
/builds/libvirt/libvirt/src/security/virt-aa-helper.c:1492-1494:
        if (ctl->cmd == 'D') {
            unlink(include_file);
        }
make: Leaving directory `/builds/libvirt/libvirt/build/build-aux'
--- stderr ---
build-aux/syntax-check.mk: incorrect formatting
make: *** [sc_spacing-check] Error 1
-------

Full log written to /builds/libvirt/libvirt/build/meson-logs/testlog.txt
FAILED: meson-test 
/usr/local/bin/meson test --no-rebuild --print-errorlogs
ninja: build stopped: subcommand failed.
ERROR: Job failed: exit code 1

[420/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/nwfilter_conf.c.o'
[421/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/secret_conf.c.o'
[422/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/virnwfilterobj.c.o'
[423/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/storage_adapter_conf.c.o'
[424/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/virsecretobj.c.o'
[425/1001] Generating virkeepaliveprotocol.c with a custom command
[426/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/storage_capabilities.c.o'
[427/1001] Generating virnetprotocol.c with a custom command
[428/1001] Generating virnetprotocol.h with a custom command
[429/1001] Generating virkeepaliveprotocol.h with a custom command
[430/1001] Generating viraccessapicheck.h with a meson_exe.py custom command
[431/1001] Generating viraccessapicheck.c with a meson_exe.py custom command
[432/1001] Compiling C object 'tests/59830eb@@esxutilstest@exe/esxutilstest.c.o'
FAILED: tests/59830eb@@esxutilstest@exe/esxutilstest.c.o 
ccache cc -Itests/59830eb@@esxutilstest@exe -Itests -I../tests -Isrc/esx -I../src/esx -Isrc/conf -I../src/conf -Isrc/hypervisor -I../src/hypervisor -Iinclude -I../include -Isrc -I../src -I. -I.. -Isrc/util -I../src/util -Isrc/rpc -I../src/rpc -I/usr/local/Cellar/glib/2.64.2_1/include/glib-2.0 -I/usr/local/Cellar/glib/2.64.2_1/lib/glib-2.0/include -I/usr/local/opt/gettext/include -I/usr/local/Cellar/pcre/8.44/include -I/usr/local/Cellar/libffi/3.3/include -I/usr/local/Cellar/glib/2.64.2_1/include -I/usr/local/Cellar/gnutls/3.6.13/include -I/usr/local/Cellar/nettle/3.4.1/include -I/usr/local/Cellar/libtasn1/4.16.0/include -I/usr/local/Cellar/p11-kit/0.23.20_1/include/p11-kit-1 -I/usr/local/Cellar/libxml2/2.9.10_1/include/libxml2 -I/usr/local/Cellar/yajl/2.1.0/include/yajl -Xclang -fcolor-diagnostics -pipe -Wall -Winvalid-pch -Wextra -std=gnu99 -O2 -g -Werror -fno-common -W -Wabsolute-value -Waddress -Waddress-of-packed-member -Wattributes -Wbuiltin-macro-redefined -Wcast-align -Wchar-subscripts -Wcomment -Wcomments -Wcpp -Wdangling-else -Wdate-time -Wdeprecated-declarations -Wdiv-by-zero -Wduplicate-decl-specifier -Wempty-body -Wendif-labels -Wexpansion-to-defined -Wformat-extra-args -Wformat-nonliteral -Wformat-security -Wformat-y2k -Wformat-zero-length -Wignored-attributes -Wignored-qualifiers -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Wincompatible-pointer-types -Winit-self -Winline -Wint-conversion -Wint-to-pointer-cast -Winvalid-pch -Wlogical-not-parentheses -Wmain -Wmemset-transposed-args -Wmissing-braces -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnarrowing -Wnested-externs -Wnonnull -Wnull-dereference -Wodr -Wold-style-definition -Woverflow -Wparentheses -Wpointer-arith -Wpointer-sign -Wpointer-to-int-cast -Wpragmas -Wreturn-type -Wsequence-point -Wshadow -Wshift-count-negative -Wshift-count-overflow -Wshift-negative-value -Wsizeof-array-argument -Wsizeof-pointer-div -Wsizeof-pointer-memaccess -Wstrict-aliasing -Wstrict-prototypes -Wswitch -Wswitch-bool -Wtautological-compare -Wtrigraphs -Wtype-limits -Wuninitialized -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-local-typedefs -Wunused-parameter -Wunused-result -Wunused-value -Wunused-variable -Wvarargs -Wvariadic-macros -Wvla -Wvolatile-register-var -Wwrite-strings -Wno-sign-compare -Wno-typedef-redefinition -Wswitch-enum -Wno-format-nonliteral -Wframe-larger-than=4096 -fexceptions -fasynchronous-unwind-tables -Wdouble-promotion -Wno-unused-function -fPIE '-Dabs_builddir="/private/var/folders/3y/l0z1x3693dl_8n0qybp4dqwh0000gn/T/cirrus-ci-build/build/tests"' '-Dabs_top_builddir="/private/var/folders/3y/l0z1x3693dl_8n0qybp4dqwh0000gn/T/cirrus-ci-build/build"' '-Dabs_srcdir="/private/var/folders/3y/l0z1x3693dl_8n0qybp4dqwh0000gn/T/cirrus-ci-build/tests"' '-Dabs_top_srcdir="/private/var/folders/3y/l0z1x3693dl_8n0qybp4dqwh0000gn/T/cirrus-ci-build"' -Wframe-larger-than=262144 -MD -MQ 'tests/59830eb@@esxutilstest@exe/esxutilstest.c.o' -MF 'tests/59830eb@@esxutilstest@exe/esxutilstest.c.o.d' -o 'tests/59830eb@@esxutilstest@exe/esxutilstest.c.o' -c ../tests/esxutilstest.c
In file included from ../tests/esxutilstest.c:13:
../src/esx/esx_vi_types.h:62:10: fatal error: 'esx_vi_types.generated.typedef' file not found
#include "esx_vi_types.generated.typedef"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[433/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/storage_conf.c.o'
[434/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/virstorageobj.c.o'
[435/1001] Compiling C object 'tests/59830eb@@eventtest@exe/eventtest.c.o'
[436/1001] Compiling C object 'tests/59830eb@@fdstreamtest@exe/fdstreamtest.c.o'
[437/1001] Compiling C object 'src/conf/6d9256b@@virt_conf@sta/domain_conf.c.o'
ninja: build stopped: subcommand failed.

Build failed: https://cirrus-ci.com/build/6518521720995840
ERROR: Job failed: exit code 1

11:00:52 /usr/bin/make -C /builds/libvirt/libvirt/build/build-aux sc_test-wrap-argv
--- stdout ---
make: Entering directory '/builds/libvirt/libvirt/build/build-aux'
test-wrap-argv
/builds/libvirt/libvirt/build-aux/vc-list-files -C /builds/libvirt/libvirt | grep -E '\.(ldargs|args)' | LC_ALL= LANG=C LC_CTYPE=en_US.UTF-8 xargs \
/usr/bin/python3 /builds/libvirt/libvirt/scripts/test-wrap-argv.py --check
make: Leaving directory '/builds/libvirt/libvirt/build/build-aux'
-------

158/158 libvirt:syntax-check / sc_group-qemu-caps  OK      0.16732358932495117 s 

--- command ---
11:00:52 /usr/bin/make -C /builds/libvirt/libvirt/build/build-aux sc_group-qemu-caps
--- stdout ---
make: Entering directory '/builds/libvirt/libvirt/build/build-aux'
group-qemu-caps
LC_ALL= LANG=C LC_CTYPE=en_US.UTF-8 /usr/bin/python3 /builds/libvirt/libvirt/scripts/group-qemu-caps.py \
	--check --prefix /builds/libvirt/libvirt/
make: Leaving directory '/builds/libvirt/libvirt/build/build-aux'
-------


Ok:                 157 
Expected Fail:      0   
Fail:               1   
Unexpected Pass:    0   
Skipped:            0   
Timeout:            0   
ERROR: Job failed: exit code 1