FuelLabs/sway · error · anyhow::Error

VM failed to resume. {:?}

Error message

VM failed to resume. {:?}

What it means

Error "VM failed to resume. {:?}" thrown in FuelLabs/sway.

Source

Thrown at forc-test/src/execute.rs:193

                        }
                    }

                    state = self.interpreter.resume();
                }
            }
        }
    }

    /// Execute the test with breakpoints enabled.
    pub fn start_debugging(&mut self) -> anyhow::Result<DebugResult> {
        let start = std::time::Instant::now();

        let _ = self.single_step_until_test();
        let state = self
            .interpreter
            .resume()
            .map_err(|err: InterpreterError<_>| {
                anyhow::anyhow!("VM failed to resume. {:?}", err)
            })?;
        if let ProgramState::RunProgram(DebugEval::Breakpoint(breakpoint)) = state {
            // A breakpoint was hit, so we tell the client to stop.
            return Ok(DebugResult::Breakpoint(breakpoint.pc()));
        }

        let duration = start.elapsed();
        let (gas_used, logs) = Self::get_gas_and_receipts(self.interpreter.receipts().to_vec())?;
        let span = self.test_entry.span.clone();
        let file_path = self.test_entry.file_path.clone();
        let condition = self.test_entry.pass_condition.clone();
        let name = self.name.clone();
        Ok(DebugResult::TestComplete(TestResult {
            name,
            file_path,
            duration,
            span,
            state,

View on GitHub (pinned to 47e5e902fa)

When it happens

Trigger: Thrown at forc-test/src/execute.rs:193 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of FuelLabs/sway@47e5e902fa (2026-08-16). Data as JSON: /api/errors/33dca9308c28d70a. Report an issue: GitHub.