various improvements #5573

Job	Run time
pure-rust-build	2m 6s
test	10m 44s
test-fast (windows-latest)	15m 22s
test-fast (macos-latest)	3m 52s
test-fixtures-windows	14m 57s
test-fast (ubuntu-latest)	3m 46s
test-fast (ubuntu-22.04-arm)	3m 58s
cargo-deny	30s
cargo-deny-advisories	28s
check-blocking	3s
check-packetline (ubuntu-latest)	6s
lint	4m 9s
test-32bit (i386)	5m 59s
test-journey	3m 54s
test-32bit (arm32v7)	4m 2s
WebAssembly (wasm32-unknown-unknown)	1m 9s
WebAssembly (wasm32-wasip1)	47s
Tests pass	1s
	1h 15m 53s

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