I've got the rust-analyzer plugin installed in Visual Studio Code (v1.99.1). When I try to enable the plugin, it fails due to the following:
"Cannot activate rust-analyzer extension: spawn UNKNOWN"
Reinstalling the extension does not fix this issue.
What is the cause of this?
Edit: More information from the Extension Host logs:
2025-04-17 13:01:24.244 [info] Extension host with pid 19296 started
2025-04-17 13:01:24.244 [info] Skipping acquiring lock for c:\Users\<user>\AppData\Roaming\Code\User\workspaceStorage\5f12afdcfd9a33a3da5072de1863105c.
2025-04-17 13:01:24.351 [info] ExtensionService#_doActivateExtension vscode.github-authentication, startup: false, activationEvent: 'onAuthenticationRequest:github'
2025-04-17 13:01:24.384 [info] ExtensionService#_doActivateExtension vscode.emmet, startup: false, activationEvent: 'onLanguage'
2025-04-17 13:01:24.412 [info] ExtensionService#_doActivateExtension rust-lang.rust-analyzer, startup: false, activationEvent: 'onLanguage:rust'
2025-04-17 13:01:24.638 [error] Activating extension rust-lang.rust-analyzer failed due to an error:
2025-04-17 13:01:24.638 [error] Error: spawn UNKNOWN
at ChildProcess.spawn (node:internal/child_process:420:11)
at spawn (node:child_process:796:9)
at Va.getOrCreateClient (c:\Users\<user>\.vscode\extensions\rust-lang.rust-analyzer-0.3.2379-win32-x64\out\main.js:366:3314)
at async Va.start (c:\Users\<user>\.vscode\extensions\rust-lang.rust-analyzer-0.3.2379-win32-x64\out\main.js:366:4529)
at async Ex (c:\Users\<user>\.vscode\extensions\rust-lang.rust-analyzer-0.3.2379-win32-x64\out\main.js:386:1927)
at async Px (c:\Users\<user>\.vscode\extensions\rust-lang.rust-analyzer-0.3.2379-win32-x64\out\main.js:386:661)
at async cw.n (file:///c:/Program%20Files/Microsoft%20VS%20Code/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:111:13415)
at async cw.m (file:///c:/Program%20Files/Microsoft%20VS%20Code/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:111:13378)
at async cw.l (file:///c:/Program%20Files/Microsoft%20VS%20Code/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:111:12834)