add Config::report_before_root_finish

[andylokandy]

Signed-off-by: Andy Lok [email protected]

[coveralls]

Pull Request Test Coverage Report for Build 7810672913

• -6 of 67 (91.04%) changed or added relevant lines in 3 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.06%) to 78.656%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
minitrace/src/collector/mod.rs	3	4	75.0%
test-statically-disable/src/main.rs	0	1	0.0%
minitrace/src/collector/global_collector.rs	58	62	93.55%

Files with Coverage Reduction	New Missed Lines	%
minitrace/src/collector/global_collector.rs	1	94.33%

Totals
Change from base Build 7781226982:	-0.06%
Covered Lines:	1721
Relevant Lines:	2188

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💛 - Coveralls