VSCode: Cannot destructure property `releaseName` of 'undefined' or 'null'

[Progdrasil]

I just installed the rust-analyzer extension on vscode and it was unable to download the binary automatically. it gave me the following error:

Failed to download language server from rust-analyzer GitHub repository: Cannot destructure property releaseName of 'undefined' or 'null'.

My environment:

• manjaro linux
• rust: stable-x86_64-unknown-linux-gnu (default) rustc 1.41.0 (5e1a79984 2020-01-27)
• vscode 1.41.1
• rust-analyzer: 0.1.20200211

[lnicola]

rust-analyzer: 0.1.20200211

Did you just install it from the Code Marketplace? This is an old version of the extension. If you update it, the server binary download should work.

This happens because the server binary name has changed.

[Progdrasil]

yes i just installed it.

When i run the Extensions: Check for extensions update command in vscode it tells me all extensions are up to date

[lnicola]

https://marketplace.visualstudio.com/items?itemName=matklad.rust-analyzer shows it at 0.1.20200224.

@Veetaha any idea?

[Progdrasil]

Interesting, when I uninstall the extensions and search for it, it show the right version (0.1.20200224). However once I install it, it reverts to the version mentioned in the description (0.1.20200211)

[Veetaha]

@Progdrasil, did you install the extension from source previously?

[Veetaha]

And do you mind showing the console logs?
VSCode > Help > Toggle Developer Tools > Console.

It's interesting to find out how you stumbled upon this. I am pretty sure that the extension has to download only the matching version, even an old one.

To fix this problem for you I recommend running (on Ubuntu):

rm -rf ${HOME}/.vscode/extensions/matklad.rust-analyzer-0.1.0
rm -rf ${HOME}/.config/Code/User/globalStorage/matklad.rust-analyzer

And then reinstalling the extension from the marketplace

[lnicola]

Could it also be related to the ongoing GitHub issues?

[not-much-io]

I had the same issue, I can confirm this is as @lnicola said related to the binary name having changes and that updating the vscode plugin fixed the issue for me.

For me since I was hacking on rust-analyzer I installed the plugin from source because it was a command away.

VSCode didn't show me that there was an update for the plugin which might be related to me being on a plugin installed from source before the update where the name was changed.

[lnicola]

For me since I was hacking on rust-analyzer I installed the plugin from source because it was a command away.

A command and a preference change away 😃. Confusion will ensue otherwise.

[Veetaha]

Hmmm, I guess I know the root cause. The 02-11 version fetches the latest release, but the latest release contains renamed binary name

[Veetaha]

Since this is fixed in the new version, we may close this, @matklad ?

[lnicola]

@Veetaha @Progdrasil said they've installed it from the marketplace, so it should be the latest version. And apparently the version number changes after installing the extension.

[Veetaha]

Interesting, when I uninstall the extensions and search for it, it show the right version (0.1.20200224). However once I install it, it reverts to the version mentioned in the description (0.1.20200211)

I am pretty sure that the logic introduced in #3162 must ensure that the extension is looking only for a release with the relevant binary name.
Anyway, #3295 should have added a double check that the needed binary did is published.

[Progdrasil]

@Progdrasil, did you install the extension from source previously?

No i did not

when I install the extension the only log i have regarding rust-analyzer

[Extension Host] 
/home/rene/.config/Code - OSS/User/globalStorage/matklad.rust-analyzer/ra_lsp_server-linux --version output: undefined

then when i click Download now button:

[Extension Host] 
Issuing request for released artifacts metadata to https://api.github.com/repos/rust-analyzer/rust-analyzer/releases/latest

notificationsAlerts.ts:40 
Failed to download language server from rust-analyzer GitHub repository: Cannot destructure property `releaseName` of 'undefined' or 'null'.
onDidNotificationChange @ notificationsAlerts.ts:40
(anonymous) @ notificationsAlerts.ts:26
fire @ event.ts:581
addNotification @ notifications.ts:171
notify @ notificationService.ts:101
(anonymous) @ mainThreadMessageService.ts:83
_showMessage @ mainThreadMessageService.ts:44
$showMessage @ mainThreadMessageService.ts:38
_doInvokeHandler @ rpcProtocol.ts:398
_invokeHandler @ rpcProtocol.ts:383
_receiveRequest @ rpcProtocol.ts:299
_receiveOneMessage @ rpcProtocol.ts:226
(anonymous) @ rpcProtocol.ts:101
fire @ event.ts:581
fire @ ipc.net.ts:453
_receiveMessage @ ipc.net.ts:733
(anonymous) @ ipc.net.ts:592
fire @ event.ts:581
acceptChunk @ ipc.net.ts:239
(anonymous) @ ipc.net.ts:200
t @ ipc.net.ts:28
emit @ events.js:200
addChunk @ _stream_readable.js:294
readableAddChunk @ _stream_readable.js:275
Readable.push @ _stream_readable.js:210
onStreamRead @ internal/stream_base_commons.js:166

notificationsAlerts.ts:40 
Rust Analyzer Language Server is not available. Please, ensure its [proper installation](https://github.com/rust-analyzer/rust-analyzer/tree/master/docs/user#vs-code).
onDidNotificationChange @ notificationsAlerts.ts:40
(anonymous) @ notificationsAlerts.ts:26
fire @ event.ts:581
addNotification @ notifications.ts:171
notify @ notificationService.ts:101
(anonymous) @ mainThreadMessageService.ts:83
_showMessage @ mainThreadMessageService.ts:44
$showMessage @ mainThreadMessageService.ts:38
_doInvokeHandler @ rpcProtocol.ts:398
_invokeHandler @ rpcProtocol.ts:383
_receiveRequest @ rpcProtocol.ts:299
_receiveOneMessage @ rpcProtocol.ts:226
(anonymous) @ rpcProtocol.ts:101
fire @ event.ts:581
fire @ ipc.net.ts:453
_receiveMessage @ ipc.net.ts:733
(anonymous) @ ipc.net.ts:592
fire @ event.ts:581
acceptChunk @ ipc.net.ts:239
(anonymous) @ ipc.net.ts:200
t @ ipc.net.ts:28
emit @ events.js:200
addChunk @ _stream_readable.js:294
readableAddChunk @ _stream_readable.js:275
Readable.push @ _stream_readable.js:210
onStreamRead @ internal/stream_base_commons.js:166

[Extension Host] DNS resolution for example.com was successful ["93.184.216.34"]

[Veetaha]

Okay, so you somehow ended up using the 2020-02-11 version (not sure how), because the request it issues goes to for ra_lsp_server binary to rust-analyzer/releases/latest, whilst the latest release binary is renamed, that's why it crashes.