Introduce new error handling convention #793

Job	Run time
Cross (aarch64-unknown-linux-gnu)	2m 14s
Cross (i686-unknown-linux-gnu)	2m 6s
Cross (x86_64-pc-windows-gnu)	2m 22s
Cross (x86_64-unknown-linux-gnu)	2m 16s
Cross (aarch64-unknown-linux-musl)	2m 2s
Cross (arm-unknown-linux-gnueabi)	2m 8s
Cross (arm-unknown-linux-gnueabihf)	2m 2s
Cross (armv7-unknown-linux-gnueabihf)	1m 54s
Cross (mips-unknown-linux-gnu)	2m 0s
Cross (mips64-unknown-linux-gnuabi64)	1m 51s
Cross (mips64el-unknown-linux-gnuabi64)	1m 56s
Cross (mipsel-unknown-linux-gnu)	2m 27s
Cross (powerpc-unknown-linux-gnu)	2m 2s
Cross (powerpc64le-unknown-linux-gnu)	1m 55s
Cross (riscv64gc-unknown-linux-gnu)	1m 51s
Cross (s390x-unknown-linux-gnu)	2m 29s
Cross (x86_64-unknown-linux-musl)	2m 35s
	36m 10s

Provide feedback