[qemu-mainline bisection] doubtful build-arm64

[osstest service owner <osstest-admin@xxxxxxxxxxxxxx>]

branch xen-unstable
xenbranch xen-unstable
job build-arm64
testid xen-build


No appropriate failure/pass pair found.

Sorry, bisection not possible.


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/qemu-mainline/build-arm64.xen-build 
--summary-out=tmp/172976.bisection-summary --basis-template=172123 
--blessings=real,real-bisect,real-retry --flight=172976 qemu-mainline 
build-arm64 xen-build
Searching for failure / basis pass:
 172966 pass
No appropriate failure/pass pair found.

Sorry, bisection not possible.