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Description
Feature description
Hello, I found the flycheck-rust-cargo-workspace-root is a heavy blocking function on large rust project, such as rust-lang/rust, it will call shell command: cargo metadata, it's very may cost 500ms ~ 1,2s on large cargo project.
288 7% - flycheck-handle-signal
288 7% - flycheck-finish-checker-process
220 5% - #<byte-code-function BB8>
220 5% - apply
220 5% - flycheck-report-buffer-checker-status
220 5% - flycheck-finish-current-syntax-check
204 5% - flycheck-filter-errors
204 5% - #<byte-code-function 959>
196 5% - flycheck-rust-cargo-workspace-root
196 5% - flycheck-rust-cargo-metadata
193 4% - flycheck-call-checker-process-for-output
193 4% - flycheck-call-checker-process
192 4% - apply
192 4% call-process