Starting download of /gnu/store/9k3y6d9wk79zmdjgb9pb20pyd4cgz9ip-rust-futures-channel-0.3.28.tar.gz
From https://crates.io/api/v1/crates/futures-channel/0.3.28/download...
following redirection to `https://static.crates.io/crates/futures-channel/futures-channel-0.3.28.crate'...
GC Warning: Repeated allocation of very large block (appr. size 69632):
	May lead to memory leak and poor performance

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