Traceback (most recent call last):
  File "/disk2/worker/repository/td/LatticeConstantCubicEnergy__TD_475411767977_007/runner", line 154, in get_lattice_constant
    xtol=1e-8,
  File "/usr/local/lib/python3.6/dist-packages/scipy/optimize/optimize.py", line 442, in fmin
    res = _minimize_neldermead(func, x0, args, callback=callback, **opts)
  File "/usr/local/lib/python3.6/dist-packages/scipy/optimize/optimize.py", line 601, in _minimize_neldermead
    fxr = func(xr)
  File "/usr/local/lib/python3.6/dist-packages/scipy/optimize/optimize.py", line 326, in function_wrapper
    return function(*(wrapper_args + args))
  File "/disk2/worker/repository/td/LatticeConstantCubicEnergy__TD_475411767977_007/runner", line 70, in energy
    "".format(a, min_allowed_latconst))
RuntimeError: Attempted to evaluate energy at lattice spacing ([-1.]) below the minimum allowed value (1.4399999982833862).  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/disk2/worker/repository/td/LatticeConstantCubicEnergy__TD_475411767977_007/runner", line 253, in <module>
    model=model, symbol=symbol, lattice=lattice, maxiter=500
  File "/disk2/worker/repository/td/LatticeConstantCubicEnergy__TD_475411767977_007/runner", line 168, in get_lattice_constant
    "relaxation".format(max_init_guess, ".1f")
RuntimeError: Exceeded maximum of 10.0 for initial lattice constant guess for relaxation
Command exited with non-zero status 1

{"usertime":1.33,"memmax":61972,"memavg":0}