Fix unsolicted bug (#341) #848

Job	Run time
bindings-macos (x86_64-apple-darwin)	6m 21s
conformance	10m 42s
bindings-windows (x86_64-pc-windows-msvc, true)	6m 59s
bindings-linux (x86_64-unknown-linux-gnu)	2m 40s
bindings-windows (i686-pc-windows-msvc, false)	5m 7s
bindings-linux (i686-unknown-linux-gnu)	2m 39s
documentation	5m 45s
bindings-linux (x86_64-unknown-linux-musl)	2m 44s
features (--no-default-features)	1m 49s
bindings-linux (arm-unknown-linux-gnueabihf)	2m 48s
features (--no-default-features --features serialization)	1m 52s
bindings-linux (arm-unknown-linux-musleabihf)	2m 57s
guide	1m 16s
features (--no-default-features --features serial)	1m 53s
bindings-linux (aarch64-unknown-linux-gnu)	2m 56s
features (--no-default-features --features tls)	2m 4s
bindings-linux (aarch64-unknown-linux-musl)	2m 47s
bindings-linux (armv7-unknown-linux-gnueabihf)	2m 39s
bindings-linux (arm-unknown-linux-gnueabi)	2m 51s
linting (stable)	48s
linting (beta)	59s
test (ubuntu-latest, stable)	1m 23s
test (ubuntu-latest, beta)	1m 26s
test (windows-latest, stable)	3m 20s
test (windows-latest, beta)	2m 44s
packaging	2m 3s
release	0s
	1h 21m 32s

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