fixes #3054

Job	Run time
clang-sanitizers (,thread)	17m 9s
clang-sanitizers (,address,undefined)	17m 15s
linux-compat (manylinux1-x64)	14m 55s
linux-compiler-compat (clang-3)	16m 33s
linux-compat (manylinux1-x86)	16m 4s
linux-compiler-compat (clang-6)	17m 7s
linux-compiler-compat (clang-8)	17m 43s
linux-compat (manylinux2014-x64)	16m 10s
linux-compiler-compat (clang-9)	17m 16s
linux-compat (manylinux2014-x86)	15m 58s
linux-compat (al2-x64)	14m 57s
linux-compiler-compat (clang-10)	16m 41s
linux-compiler-compat (clang-11)	17m 8s
linux-compiler-compat (gcc-4.8)	15m 56s
byo-crypto	2m 48s
linux-compiler-compat (gcc-5)	16m 11s
linux-compiler-compat (gcc-6)	15m 6s
linux-shared-libs	15m 48s
linux-compiler-compat (gcc-7)	15m 19s
linux-compiler-compat (gcc-8)	16m 4s
windows	16m 57s
osx	19m 33s
windows-app-verifier	26m 45s
windows-shared-libs	17m 6s
windows-vc14 (x86)	17m 30s
windows-vc14 (x64)	16m 56s
downstream	16m 36s
linux-debug	16m 26s
	7h 39m 57s

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