Fix emailer #358

Job	Run time
build-agent (aarch64-unknown-linux-gnu)	7m 58s
build-auth	4m 36s
test-api	2m 55s
build-agent (armv7-unknown-linux-gnueabihf)	6m 19s
build-agent (x86_64-unknown-linux-gnu)	7m 13s
build-api	4m 55s
collect-binaries	11s
	34m 7s

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