KIMRuntimeError: Executable <Test(LatticeConstantHexagonalEnergy_hcp_Ge__TE_505233098809_002)> returned error code 1

Traceback (most recent call last):
  File "/disk2/worker/openkim-pipeline/pipeline/compute.py", line 433, in run
    self.execute_in_place()
  File "/disk2/worker/openkim-pipeline/pipeline/compute.py", line 253, in execute_in_place
    (self.runner_temp, self.retcode)
KIMRuntimeError: Executable <Test(LatticeConstantHexagonalEnergy_hcp_Ge__TE_505233098809_002)> returned error code 1

output/pipeline.stdout:
-----------------------
Imported bulk from ase.lattice
Element = Lattice = Model = Element: Ge
Lattice: hcp
Model: MEAM_2NN_Fe_to_Ga__MO_145522277939_001
Model Cutoff: 4.5
NBC Name: MI_OPBC_F
Relaxation With c/a Ratio Fixed
Simplex Searching start from: cutoff * 0.4
Simplex Searching Start From: [1.8]
Creating new atoms: (6, 3, 4)
           1 Ge
           1 Ge

output/pipeline.stderr:
-----------------------
Operating system error: Cannot allocate memory
Integer overflow in xmallocarray
Command exited with non-zero status 1
{"usertime":3.16,"memmax":63884,"memavg":0}

output/kim.log:
---------------