Starting download of /gnu/store/kxgrnfzxlvm0r4zjil1p2dgpzdhxa042-rust-piper-0.2.1.tar.gz
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following redirection to `https://static.crates.io/crates/piper/piper-0.2.1.crate'...
GC Warning: Repeated allocation of very large block (appr. size 69632):
	May lead to memory leak and poor performance

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