{"record":{"id":"dd8a254617db5104","repo":"Hmbown/CodeWhale","slug":"failed-to-remove","errorCode":null,"errorMessage":"failed to remove {}","messagePattern":"failed to remove (.+?)","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"crates/telemetry/src/buffer.rs","lineNumber":438,"sourceCode":"            file.write_all(uuid::Uuid::new_v4().to_string().as_bytes())\n                .with_context(|| format!(\"failed to write {}\", tombstone.display()))?;\n            file.sync_data()\n                .with_context(|| format!(\"failed to sync {}\", tombstone.display()))?;\n            drop(file);\n        }\n\n        let mut failure: Option<anyhow::Error> = None;\n        for path in [buffer_path(root), dryrun_path(root)] {\n            if let Err(error) = truncate(&path) {\n                failure.get_or_insert(error);\n            }\n        }\n        for path in [install_id_path(root), state_path(root)] {\n            if path.exists()\n                && let Err(error) = fs::remove_file(&path)\n            {\n                failure.get_or_insert(\n                    anyhow::Error::new(error)\n                        .context(format!(\"failed to remove {}\", path.display())),\n                );\n            }\n        }\n        match failure {\n            Some(error) => Err(error),\n            None => Ok(()),\n        }\n    })\n}\n\n/// Clear the tombstone and drop anything buffered before this process was\n/// permitted.\n///\n/// Called by `init` on every arming. Both the exact tombstone generation and a\n/// fresh durable permission check must still match while the wipe lock is held.\n/// A stale buffer left by an earlier run or by a bug cannot enter the new\n/// process's batch.","sourceCodeStart":420,"sourceCodeEnd":456,"githubUrl":"https://github.com/Hmbown/CodeWhale/blob/73e0f67d83c59909b571efdfc88c4bc28c309cb1/crates/telemetry/src/buffer.rs#L420-L456","documentation":"During the public `wipe` operation, the telemetry buffer deletes install-id and state files. If a file exists but `fs::remove_file` fails, the error is captured (first failure wins) and returned with 'failed to remove <path>' context after attempting the remaining deletions.","triggerScenarios":"Calling `wipe(root)` when `install_id_path(root)` or `state_path(root)` exists but cannot be deleted: read-only directory, permission denied, file held by another process, or EIO.","commonSituations":"Running wipe as a non-root user after telemetry files were created by root; files locked by a concurrently running instance; immutable files (chattr +i); read-only volume on Windows due to open handles.","solutions":["Fix ownership/permissions on the telemetry directory so the current user can delete files within it.","Stop other running instances holding the files open, then retry wipe.","Check for immutable attributes (`lsattr`, `chattr -i`) or Windows file locks.","If a partial wipe is acceptable, remove the reported file manually and re-run wipe."],"exampleFix":"// before\ncargo run -- wipe  # as regular user, files owned by root\n\n// after\nsudo chown -R $USER ~/.local/share/codewhale/telemetry\ncargo run -- wipe","handlingStrategy":"try-catch","validationCode":"fn can_delete_dir(dir: &Path) -> bool {\n    // delete requires write permission on the directory\n    dir.metadata().map(|m| !m.permissions().readonly()).unwrap_or(false)\n}","typeGuard":null,"tryCatchPattern":"if let Err(e) = telemetry::buffer::wipe(root) {\n    if e.to_string().contains(\"failed to remove\") {\n        // extract path, chown/stop-holders, then retry once\n    }\n}","preventionTips":["Keep a single owning user for telemetry files across runs.","Ensure only one instance runs concurrently before wiping.","Avoid immutable attributes or ACLs on the telemetry directory."],"tags":["filesystem","telemetry","permissions","delete"],"backgroundTag":"permission-denied","analyzedSha":"73e0f67d83c59909b571efdfc88c4bc28c309cb1","analyzedAt":"2026-09-22T01:30:00.501Z","contentChangedAt":"2026-09-22T01:30:00.501Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}