Updateto 0.6.0 #80

Job	Run time
Check (stable, ubuntu-latest)	9s
Check (stable, macOS-latest)	19s
Check (stable, windows-latest)	1m 39s
Check (beta, ubuntu-latest)	17s
Check (beta, macOS-latest)	34s
Check (beta, windows-latest)	49s
Check (nightly, ubuntu-latest)	15s
Check (nightly, macOS-latest)	28s
Check (nightly, windows-latest)	55s
Clippy (stable)	28s
Clippy (beta)	18s
Test Suite (stable, ubuntu-latest)	15s
Clippy (nightly)	16s
Test Suite (stable, macOS-latest)	47s
Test Suite (stable, windows-latest)	1m 37s
Test Suite (beta, ubuntu-latest)	21s
Test Suite (beta, macOS-latest)	54s
Test Suite (beta, windows-latest)	45s
Test Suite (nightly, ubuntu-latest)	20s
Test Suite (nightly, macOS-latest)	31s
Test Suite (nightly, windows-latest)	52s
	12m 49s

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