Fix formatting, add more error messages #79

Job	Run time
pre-ci	5s
v3.2.x-gh-ubuntu20-linux-gcc-lean	2m 13s
v3.2.x-gh-ubuntu20-linux-gcc	2m 24s
v3.2.x-gh-ubuntu20-linux-gcc-reproducible	2m 17s
v3.2.x-gh-ubuntu20-linux-gcc-O2-g3	2m 36s
v3.2.x-gh-ubuntu20-linux-clang-lean	5m 12s
v3.2.x-gh-ubuntu20-linux-clang	6m 27s
v3.2.x-gh-ubuntu20-linux-clang-altlibs	8m 59s
v3.2.x-gh-ubuntu20-linux-clang-reproducible	5m 56s
v3.2.x-gh-ubuntu20-linux-clang-sanitizer	6m 30s
v3.2.x-gh-ubuntu20-linux-clang-O2-g3	6m 29s
Merge preflight	0s
Merge into upstream	0s
	49m 8s

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