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The main.rs file is not actually created after calling rust-playground #14

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zino23 opened this issue Jan 5, 2025 · 0 comments · May be fixed by #15
Open

The main.rs file is not actually created after calling rust-playground #14

zino23 opened this issue Jan 5, 2025 · 0 comments · May be fixed by #15

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@zino23
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zino23 commented Jan 5, 2025

After executing rust-playground, only an emacs buffer is created for main.rs, not the physical file. This will make lsp server like rust-analyzer unable to start cause it expects "either src/lib.rs, src/main.rs, a [lib] section, or [[bin]] section must be present".

The full error is like this:

[stderr]  rust-analyzer failed to load workspace: Failed to load the project at /tmp/rust-playground/at-2025-01-05-153947/Cargo.toml: Failed to read Cargo metadata from Cargo.toml file /tmp/rust-playground/at-2025-01-05-153947/Cargo.toml, Some(Version { major: 1, minor: 76, patch: 0 }): Failed to run `cd "/tmp/rust-playground/at-2025-01-05-153947" && "cargo" "metadata" "--format-version" "1" "--manifest-path" "/tmp/rust-playground/at-2025-01-05-153947/Cargo.toml" "--filter-platform" "aarch64-apple-darwin"`: `cargo metadata` exited with an error: error: failed to parse manifest at `/tmp/rust-playground/at-2025-01-05-153947/Cargo.toml`
[stderr]  
[stderr]  Caused by:
[stderr]    no targets specified in the manifest
[stderr]    either src/lib.rs, src/main.rs, a [lib] section, or [[bin]] section must be present

Seems like we should save the buffer to make sure the corresponding file is sinked.
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@zino23