Make key names in YAML consistent #636

Job	Run time
FreeBSD-x86_64 with rust stable	2m 11s
Linux-x86_64 with rust stable	1m 6s
Linux-aarch64 with rust stable	3m 25s
Linux-arm with rust stable	3m 31s
Linux-i686 with rust stable	2m 16s
Linux-powerpc with rust stable	1m 57s
Linux-powerpc64 with rust stable	2m 8s
Linux-powerpc64le with rust stable	2m 22s
Linux-riscv64 with rust stable	3m 5s
Linux-s390x with rust stable	2m 15s
NetBSD-x86_64 with rust stable	2m 47s
Windows-aarch64 with rust stable	2m 39s
Windows-i686 with rust stable	3m 45s
Windows-x86_64 with rust stable	3m 54s
macOS-x86_64 with rust stable	1m 15s
macOS-aarch64 with rust stable	1m 19s
Linux-x86_64 with rust beta	1m 29s
Linux-x86_64 with rust nightly	1m 14s
	42m 38s

Provide feedback