Merge pull request #1596 from EliahKagan/fuzz #4817

Job	Run time
lint	3m 53s
cargo-deny (advisories)	29s
check-packetline (ubuntu-latest)	7s
cargo-deny (bans licenses sources)	28s
pure-rust-build	1m 58s
test-32bit (armv7-linux-androideabi)	55s
test	13m 18s
test-fast (windows-latest)	14m 48s
WebAssembly (wasm32-unknown-unknown)	59s
test-fast (macos-latest)	4m 2s
WebAssembly (wasm32-wasi)	33s
test-fast (ubuntu-latest)	3m 42s
Tests pass	1s
	45m 13s

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