Update S3 stub #595

Job	Run time
Check lib (x86_64-unknown-linux-gnu)	17s
Clippy (x86_64-unknown-linux-gnu)	37s
Check lib (aarch64-unknown-linux-gnu)	1m 41s
Check MSRV (x86_64-unknown-linux-gnu)	38s
Check (x86_64-apple-darwin)	47s
Check lib (armv7-unknown-linux-gnueabihf)	1m 37s
Clippy (aarch64-unknown-linux-gnu)	2m 10s
Check MSRV (aarch64-unknown-linux-gnu)	1m 59s
Check (x86_64-unknown-linux-gnu)	36s
Check MSRV (armv7-unknown-linux-gnueabihf)	2m 16s
Clippy (armv7-unknown-linux-gnueabihf)	2m 5s
Check (x86_64-unknown-linux-musl)	33s
Check (x86_64-pc-windows-msvc)	3m 21s
Rustfmt	13s
Check (aarch64-unknown-linux-gnu)	2m 9s
Unit Tests (x86_64-unknown-linux-gnu)	28s
Check (armv7-unknown-linux-gnueabihf)	2m 10s
Unit Tests (aarch64-unknown-linux-gnu)	1m 53s
Unit Tests (armv7-unknown-linux-gnueabihf)	1m 44s
	27m 14s

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