Cargo check, show only errors

Is this possible? Tbh, during development I'd like to have the choice of seeing just errors and warnings optionally not shown.

You can put #![allow(warnings)] in the crate root, or you can run cargo check -- -A warnings I think.

I've tried the second option (as this would be the ideal for me) you've provided and it doesn't work. Any ideas?

RUSTFLAGS=-Awarnings cargo check 

See also.

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Still, the behavior of cargo check and RUSTFLAGS=-Awarnings cargo check is different in a sense that the latter triggers compilation every time, whilst the former does not. Interesting.

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