379a55c64e
Give a better error when `std` or `core` are missing - Suggest using `rustup target add` if `RUSTUP_HOME` is set. I don't know if there's any precedent for doing this, but it seems harmless enough and it will be a big help. - On nightly, suggest using `cargo build -Z build-std` if `CARGO` is set - Add a note about `#![no_std]` if `std` is missing but not core - Add a note that std may be unsupported if `std` is missing but not core Fixes https://github.com/rust-lang/rust/issues/84418. r? `@petrochenkov` |
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Cargo.toml |