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Try to be strict around non-copyability #1489

Job	Run time
Build and Test (windows, x86, windows-latest, 3.8)	1m 58s
Build and Test (windows, x86, windows-latest, 3.7)	2m 25s
Build and Test (windows, x86, windows-latest, 3.10)	1m 40s
Build and Test (windows, x64, windows-latest, 3.7)	2m 16s
Build and Test (windows, x86, windows-latest, 3.11)	2m 52s
Build and Test (windows, x64, windows-latest, 3.8)	1m 47s
Build and Test (windows, x86, windows-latest, 3.12)	1m 53s
Build and Test (windows, x86, windows-latest, 3.9)	1m 44s
Build and Test (windows, x64, windows-latest, 3.10)	1m 31s
Build and Test (windows, x64, windows-latest, 3.12)	1m 38s
Build and Test (windows, x64, windows-latest, 3.9)	1m 45s
Build and Test (ubuntu, x64, ubuntu-22.04, 3.10)	22s
Build and Test (macos, x64, macos-13, 3.7)	1m 54s
Build and Test (windows, x64, windows-latest, 3.11)	1m 47s
Build and Test (ubuntu, x64, ubuntu-22.04, 3.13)	26s
Build and Test (macos, x64, macos-13, 3.9)	1m 1s
Build and Test (ubuntu, x64, ubuntu-22.04, 3.7)	36s
Build and Test (ubuntu, x64, ubuntu-22.04, 3.12)	23s
Build and Test (windows, x64, windows-latest, 3.13)	1m 40s
Build and Test (ubuntu, x64, ubuntu-22.04, 3.8)	23s
Build and Test (ubuntu, x64, ubuntu-22.04, 3.9)	22s
Build and Test (macos, x64, macos-13, 3.8)	1m 38s
Build and Test (macos, x64, macos-13, 3.13)	1m 14s
Build and Test (macos, x64, macos-13, 3.12)	1m 21s
Build and Test (ubuntu, x64, ubuntu-22.04, 3.11)	23s
Build and Test (macos, x64, macos-13, 3.11)	58s
Build and Test (macos, x64, macos-13, 3.10)	57s
	36m 54s

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