vec! - could not resolve macro `$crate::__export::force_expr`

[GrygrFlzr]

Extension: 0.3.458-nightly
Server: rust-analyzer 5231f4b
VS Code:

Version: 1.52.1 (user setup)
Commit: ea3859d4ba2f3e577a159bc91e3074c5d85c0523
Date: 2020-12-16T16:34:46.910Z
Electron: 9.3.5
Chrome: 83.0.4103.122
Node.js: 12.14.1
V8: 8.3.110.13-electron.0
OS: Windows_NT x64 10.0.19042

Minimal case - main.rs

fn main() {
    let data = vec![1, 2, 3];
    println!("{:?}", data);
}

Underlines vec![1, 2, 3] with

could not resolve macro `$crate::__export::force_expr`

Tested with procedural macro and build script support both enabled/disabled.
Disabled all other extensions and commented out entire VS Code settings, still no dice.
Used to work but started breaking within the last couple days, I think.

[edwin0cheng]

Cannot reproduce in linux, have you tried to create a new project and try again ?

Any output in the Output Panel ?

[lnicola]

Me neither, and there's no force_expr in the standard library (nor in my cargo cache).

[edwin0cheng]

@lnicola rustc nightly is change the implementation of vec! macro which is $crate::__export::force_expr instead.

[GrygrFlzr]

That was with cargo new, but I tried it again just in case and ended with the same results.

I should have mentioned I was using nightly rustc, yeah:

$ rustup show
Default host: x86_64-pc-windows-msvc
rustup home:  C:\Users\GrygrFlzr\.rustup

...

active toolchain
----------------

nightly-x86_64-pc-windows-msvc (default)
rustc 1.51.0-nightly (d98d2f57d 2021-01-18)

Using the following vscode settings:

{
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    "rust-analyzer.updates.channel": "nightly",
}

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        "message": "6/11",
        "percentage": 54
    }
}


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/roots scanned",
    "value": {
        "kind": "report",
        "message": "7/11",
        "percentage": 63
    }
}


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/roots scanned",
    "value": {
        "kind": "report",
        "message": "8/11",
        "percentage": 72
    }
}


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/roots scanned",
    "value": {
        "kind": "report",
        "message": "9/11",
        "percentage": 81
    }
}


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/roots scanned",
    "value": {
        "kind": "report",
        "message": "10/11",
        "percentage": 90
    }
}


[Trace - 11:26:10 PM] Received notification 'rust-analyzer/status'.
Params: {
    "status": "ready"
}


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/roots scanned",
    "value": {
        "kind": "end",
        "message": "11/11"
    }
}


[Trace - 11:26:10 PM] Received request 'workspace/semanticTokens/refresh - (4)'.
[Trace - 11:26:10 PM] Sending response 'workspace/semanticTokens/refresh - (4)'. Processing request took 0ms
No result returned.


[Trace - 11:26:10 PM] Received request 'workspace/codeLens/refresh - (5)'.
[Trace - 11:26:10 PM] Sending response 'workspace/codeLens/refresh - (5)'. Processing request took 0ms
No result returned.


[Trace - 11:26:10 PM] Received request 'window/workDoneProgress/create - (6)'.
Params: {
    "token": "rustAnalyzer/indexing"
}


[Trace - 11:26:10 PM] Sending response 'window/workDoneProgress/create - (6)'. Processing request took 0ms
No result returned.


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "begin",
        "title": "indexing",
        "percentage": 0
    }
}


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "0/11 (core)",
        "percentage": 0
    }
}


[Trace - 11:26:10 PM] Sending request 'textDocument/semanticTokens/full - (9)'.
Params: {
    "textDocument": {
        "uri": "file:///c%3A/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs"
    }
}


[Trace - 11:26:10 PM] Received request 'window/workDoneProgress/create - (7)'.
Params: {
    "token": "rustAnalyzer/cargo check"
}


[Trace - 11:26:10 PM] Sending response 'window/workDoneProgress/create - (7)'. Processing request took 0ms
No result returned.


[Trace - 11:26:10 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/cargo check",
    "value": {
        "kind": "begin",
        "title": "cargo check"
    }
}


[Trace - 11:26:11 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/cargo check",
    "value": {
        "kind": "end"
    }
}


[Trace - 11:26:11 PM] Sending request 'textDocument/codeLens - (10)'.
Params: {
    "textDocument": {
        "uri": "file:///c%3A/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs"
    }
}


[Trace - 11:26:11 PM] Sending request 'rust-analyzer/inlayHints - (11)'.
Params: {
    "textDocument": {
        "uri": "file:///c%3A/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs"
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "1/11 (alloc)",
        "percentage": 9
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "2/11 (panic_abort)",
        "percentage": 18
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "3/11 (panic_unwind)",
        "percentage": 27
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "4/11 (profiler_builtins)",
        "percentage": 36
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "5/11 (proc_macro)",
        "percentage": 45
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "6/11 (term)",
        "percentage": 54
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "7/11 (test)",
        "percentage": 63
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "8/11 (unwind)",
        "percentage": 72
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "9/11 (std)",
        "percentage": 81
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "report",
        "message": "10/11 (issue_7349)",
        "percentage": 90
    }
}


[Trace - 11:26:12 PM] Received notification '$/progress'.
Params: {
    "token": "rustAnalyzer/indexing",
    "value": {
        "kind": "end"
    }
}


[Trace - 11:26:12 PM] Received response 'textDocument/codeLens - (10)' in 1667ms.
Result: [
    {
        "range": {
            "start": {
                "line": 0,
                "character": 0
            },
            "end": {
                "line": 3,
                "character": 1
            }
        },
        "command": {
            "title": "▶︎ Run",
            "command": "rust-analyzer.runSingle",
            "arguments": [
                {
                    "label": "run issue-7349",
                    "location": {
                        "targetUri": "file:///c:/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs",
                        "targetRange": {
                            "start": {
                                "line": 0,
                                "character": 0
                            },
                            "end": {
                                "line": 3,
                                "character": 1
                            }
                        },
                        "targetSelectionRange": {
                            "start": {
                                "line": 0,
                                "character": 3
                            },
                            "end": {
                                "line": 0,
                                "character": 7
                            }
                        }
                    },
                    "kind": "cargo",
                    "args": {
                        "overrideCargo": null,
                        "workspaceRoot": "c:\\Users\\GrygrFlzr\\Documents\\projects\\issue-7349",
                        "cargoArgs": [
                            "run",
                            "--package",
                            "issue-7349",
                            "--bin",
                            "issue-7349"
                        ],
                        "cargoExtraArgs": [],
                        "executableArgs": []
                    }
                }
            ]
        }
    },
    {
        "range": {
            "start": {
                "line": 0,
                "character": 0
            },
            "end": {
                "line": 3,
                "character": 1
            }
        },
        "command": {
            "title": "Debug",
            "command": "rust-analyzer.debugSingle",
            "arguments": [
                {
                    "label": "run issue-7349",
                    "location": {
                        "targetUri": "file:///c:/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs",
                        "targetRange": {
                            "start": {
                                "line": 0,
                                "character": 0
                            },
                            "end": {
                                "line": 3,
                                "character": 1
                            }
                        },
                        "targetSelectionRange": {
                            "start": {
                                "line": 0,
                                "character": 3
                            },
                            "end": {
                                "line": 0,
                                "character": 7
                            }
                        }
                    },
                    "kind": "cargo",
                    "args": {
                        "overrideCargo": null,
                        "workspaceRoot": "c:\\Users\\GrygrFlzr\\Documents\\projects\\issue-7349",
                        "cargoArgs": [
                            "run",
                            "--package",
                            "issue-7349",
                            "--bin",
                            "issue-7349"
                        ],
                        "cargoExtraArgs": [],
                        "executableArgs": []
                    }
                }
            ]
        }
    }
]


[Trace - 11:26:12 PM] Sending request 'textDocument/semanticTokens/range - (12)'.
Params: {
    "textDocument": {
        "uri": "file:///c%3A/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs"
    },
    "range": {
        "start": {
            "line": 0,
            "character": 0
        },
        "end": {
            "line": 4,
            "character": 0
        }
    }
}


[Trace - 11:26:13 PM] Sending notification '$/cancelRequest'.
Params: {
    "id": 11
}


[Trace - 11:26:13 PM] Sending request 'rust-analyzer/inlayHints - (13)'.
Params: {
    "textDocument": {
        "uri": "file:///c%3A/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs"
    }
}


[Trace - 11:26:13 PM] Received response 'rust-analyzer/inlayHints - (11)' in 1753ms. Request failed: canceled by client (-32800).
[Trace - 11:26:13 PM] Sending notification '$/cancelRequest'.
Params: {
    "id": 13
}


[Trace - 11:26:13 PM] Sending request 'rust-analyzer/inlayHints - (14)'.
Params: {
    "textDocument": {
        "uri": "file:///c%3A/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs"
    }
}


[Trace - 11:26:13 PM] Received response 'rust-analyzer/inlayHints - (13)' in 37ms. Request failed: canceled by client (-32800).
[Trace - 11:26:14 PM] Received response 'rust-analyzer/inlayHints - (14)' in 1103ms.
Result: []


[Trace - 11:26:14 PM] Received notification 'textDocument/publishDiagnostics'.
Params: {
    "uri": "file:///c:/Users/GrygrFlzr/Documents/projects/issue-7349/src/main.rs",
    "diagnostics": [
        {
            "range": {
                "start": {
                    "line": 1,
                    "character": 15
                },
                "end": {
                    "line": 1,
                    "character": 28
                }
            },
            "severity": 1,
            "code": "macro-error",
            "codeDescription": {
                "href": "https://rust-analyzer.github.io/manual.html#macro-error"
            },
            "source": "rust-analyzer",
            "message": "could not resolve macro `$crate::__export::force_expr`"
        }
    ],
    "version": 1
}


[Trace - 11:26:14 PM] Received response 'textDocument/semanticTokens/range - (12)' in 1268ms.
Result: {
    "resultId": "1",
    "data": [
        0,
        0,
        2,
        1,
        0,
        0,
        3,
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        0,
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        1,
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        0,
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        0,
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        2,
        0,
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        0,
        0,
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        17,
        0,
        0,
        4,
        1,
        26,
        0,
        0,
        1,
        1,
        3,
        0,
        0,
        1,
        1,
        26,
        0,
        0,
        2,
        1,
        3,
        0,
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        1,
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        26,
        0,
        0,
        2,
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        0,
        0,
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        0,
        0,
        1,
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        38,
        0,
        1,
        4,
        8,
        17,
        0,
        0,
        8,
        1,
        35,
        0,
        0,
        1,
        1,
        2,
        0,
        0,
        1,
        1,
        30,
        0,
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        1,
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        30,
        0,
        0,
        1,
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        30,
        0,
        0,
        1,
        1,
        30,
        0,
        0,
        1,
        1,
        2,
        0,
        0,
        1,
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        26,
        0,
        0,
        2,
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        18,
        0,
        0,
        4,
        1,
        35,
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        1,
        1,
        38,
        0,
        1,
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        1,
        23,
        0
    ]
}


[Trace - 11:26:14 PM] Received response 'textDocument/semanticTokens/full - (9)' in 3294ms.
Result: {
    "resultId": "2",
    "data": [
        0,
        0,
        2,
        1,
        0,
        0,
        3,
        4,
        14,
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        35,
        0,
        0,
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        35,
        0,
        0,
        2,
        1,
        23,
        0,
        1,
        4,
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        1,
        0,
        0,
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        18,
        2,
        0,
        5,
        1,
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        0,
        0,
        2,
        4,
        17,
        0,
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        1,
        26,
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        1,
        1,
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        1,
        1,
        26,
        0,
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        3,
        0,
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}

Client Output

INFO [1/19/2021, 11:26:09 PM]: Extension version: 0.3.458-nightly
INFO [1/19/2021, 11:26:09 PM]: Using configuration {
  cargoRunner: null,
  runnableEnv: null,
  inlayHints: {
    enable: true,
    chainingHints: true,
    maxLength: null,
    parameterHints: true,
    typeHints: true
  },
  updates: { channel: 'nightly', askBeforeDownload: false },
  server: { path: null, extraEnv: null },
  trace: { server: 'verbose', extension: true },
  debug: {
    engine: 'auto',
    sourceFileMap: {
      '/rustc/<id>': '${env:USERPROFILE}/.rustup/toolchains/<toolchain-id>/lib/rustlib/src/rust'
    },
    openDebugPane: false,
    engineSettings: {}
  },
  assist: { importMergeBehavior: 'full', importPrefix: 'plain' },
  callInfo: { full: true },
  cargo: {
    autoreload: true,
    allFeatures: false,
    features: [],
    loadOutDirsFromCheck: false,
    noDefaultFeatures: false,
    target: null,
    noSysroot: false
  },
  checkOnSave: {
    enable: true,
    allFeatures: null,
    allTargets: true,
    command: 'check',
    noDefaultFeatures: null,
    target: null,
    extraArgs: [],
    features: null,
    overrideCommand: null
  },
  completion: {
    addCallArgumentSnippets: true,
    addCallParenthesis: true,
    postfix: { enable: true },
    autoimport: { enable: true }
  },
  diagnostics: {
    enable: true,
    enableExperimental: true,
    disabled: [],
    warningsAsHint: [],
    warningsAsInfo: []
  },
  files: { watcher: 'client' },
  hoverActions: {
    debug: true,
    enable: true,
    gotoTypeDef: true,
    implementations: true,
    run: true,
    linksInHover: true
  },
  lens: {
    debug: true,
    enable: true,
    implementations: true,
    run: true,
    methodReferences: false
  },
  linkedProjects: [],
  lruCapacity: null,
  notifications: { cargoTomlNotFound: true },
  procMacro: { enable: false, server: null },
  runnables: { overrideCargo: null, cargoExtraArgs: [] },
  rustcSource: null,
  rustfmt: { extraArgs: [], overrideCommand: null }
}
INFO [1/19/2021, 11:26:09 PM]: PersistentState: {
  lastCheck: 1611055735662,
  releaseId: 36575843,
  serverVersion: '0.3.458-nightly'
}
DEBUG [1/19/2021, 11:26:09 PM]: Issuing request for released artifacts metadata to https://api.github.com/repos/rust-analyzer/rust-analyzer/releases/tags/nightly
INFO [1/19/2021, 11:26:10 PM]: Using server binary at c:\Users\GrygrFlzr\AppData\Roaming\Code\User\globalStorage\matklad.rust-analyzer\rust-analyzer-x86_64-pc-windows-msvc.exe
DEBUG [1/19/2021, 11:26:10 PM]: Checking availability of a binary at c:\Users\GrygrFlzr\AppData\Roaming\Code\User\globalStorage\matklad.rust-analyzer\rust-analyzer-x86_64-pc-windows-msvc.exe
DEBUG [1/19/2021, 11:26:10 PM]: c:\Users\GrygrFlzr\AppData\Roaming\Code\User\globalStorage\matklad.rust-analyzer\rust-analyzer-x86_64-pc-windows-msvc.exe --version: {
  status: 0,
  signal: null,
  output: [ null, 'rust-analyzer 5231f4b\n', '' ],
  pid: 28532,
  stdout: 'rust-analyzer 5231f4b\n',
  stderr: ''
}

[edwin0cheng]

Yes, I can reproduce it now in rustc nightly toolchain, I will take a look for that.

[edwin0cheng]

Oh ..

https://github.com/rust-lang/rust/blob/f09fb488f70c5965ec4f64453a6e681fbfcff56c/library/alloc/src/lib.rs#L196

Seem like they start to use macro 2.0 for the vec macro :(

[edwin0cheng]

cc #2248

[jonas-schievink]

cc rust-lang/rust#81080

[brightly-salty]

I also have this bug on rust nightly with rust-analyzer nightly on macOS.

[jonas-schievink]

Fixed by rust-lang/rust#81241