Merge branch 'copy-packetline' #22

Job	Run time
cargo-deny (advisories)	31s
cargo-deny (bans licenses sources)	28s
check-packetline (ubuntu-latest)	4s
installation (win-msvc)	7m 7s
installation (win-gnu)	7m 0s
installation (win32-msvc)	6m 44s
installation (win32-gnu)	5m 49s
lint	3m 32s
pure-rust-build	1m 58s
test	21m 38s
test-32bit (armv7-linux-androideabi)	1m 7s
test-fast (windows-latest)	14m 33s
WebAssembly (wasm32-unknown-unknown)	52s
test-fast (macos-latest)	6m 43s
WebAssembly (wasm32-wasi)	38s
test-fast (ubuntu-latest)	2m 55s
	1h 21m 39s

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