Duckietown Challenges Home Challenges Submissions

Evaluator 235

ID235
evaluatorrudolf-3
ownerAndrea Censi 🇨🇭
machineidsc-rudolf
processrudolf-3
versionDC:3.1.52;DCR:3.2.12;DTS:3.0.30
first heard
last heard
statusinactive
# evaluating
# success7 2976
# timeout5 3014
# failed10 2898
# error11 2908
# aborted1 2905
# host-error
arm
x86_64
Mac
gpu available
Number of processors
Processor frequency (MHz)
Free % of processors
RAM total (MB)
RAM free (MB)
Disk (MB)
Disk available (MB)
Docker Hub
P1
P2
Cloud simulations
PI Camera
# Duckiebots
Map 3x3 avaiable
Number of duckies
gpu cores
AIDO 2 Map LF public
AIDO 2 Map LF private
AIDO 2 Map LFV public
AIDO 2 Map LFV private
AIDO 2 Map LFVI public
AIDO 2 Map LFVI private
AIDO 3 Map LF public
AIDO 3 Map LF private
AIDO 3 Map LFV public
AIDO 3 Map LFV private
AIDO 3 Map LFVI public
AIDO 3 Map LFVI private
AIDO 5 Map large loop
ETU track
for 2021, map is ETH_small_inter
IPFS mountpoint /ipfs available
IPNS mountpoint /ipns available

Evaluator jobs

Job IDsubmissionuseruser labelchallengestepstatusup to dateevaluatordate starteddate completeddurationmessage
3048356Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step1-simulationtimeoutnorudolf-30:13:27
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3047319Julian ZillyBaseline solution using imitation learning from logsaido1_LF1_r3-v3step1-simulationfailednorudolf-30:00:22
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 581, in wrap_solution
    solution.run(cis)
  File "solution.py", line 88, in run
    raise InvalidSubmission(str(e))
InvalidSubmission: Can't connect to the gym-duckietown-server
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3046322Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step1-simulationerrornorudolf-30:00:25
Uncaught exception w [...]
Uncaught exception while running Docker Compose:
Traceback (most recent call last):
  File "/project/src/duckietown_challenges_runner/runner.py", line 526, in run_one
    cr = read_challenge_results(wd)
  File "/project/src/duckietown-challenges/src/duckietown_challenges/challenge_results.py", line 63, in read_challenge_results
    raise Exception(msg)
Exception: File u'/tmp/duckietown/DT18/evaluator/executions/aido1_LF1_r3-v3/submission322/step1-simulation-rudolf-3-job3046/challenge-results/challenge_results.yaml' does not exist.
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3045323Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step1-simulationerrornorudolf-30:00:26
Uncaught exception w [...]
Uncaught exception while running Docker Compose:
Traceback (most recent call last):
  File "/project/src/duckietown_challenges_runner/runner.py", line 526, in run_one
    cr = read_challenge_results(wd)
  File "/project/src/duckietown-challenges/src/duckietown_challenges/challenge_results.py", line 63, in read_challenge_results
    raise Exception(msg)
Exception: File u'/tmp/duckietown/DT18/evaluator/executions/aido1_LF1_r3-v3/submission323/step1-simulation-rudolf-3-job3045/challenge-results/challenge_results.yaml' does not exist.
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3043355Pravish Sainath 🇨🇦PyTorch templateaido1_LF1_r3-v3step4-vizsuccessnorudolf-30:00:57
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other stats
videos1
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3041355Pravish Sainath 🇨🇦PyTorch templateaido1_LF1_r3-v3step3-videossuccessnorudolf-30:00:44
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videos1
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3039355Pravish Sainath 🇨🇦PyTorch templateaido1_LF1_r3-v3step2-scoringsuccessnorudolf-30:00:17
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survival_time_median5.299999999999991


other stats
episodes
details{"ep000": {"nsteps": 134, "reward": -10.196125789364771, "good_angle": 16.15140085122791, "survival_time": 4.466666666666661, "traveled_tiles": 2, "valid_direction": 3.2999999999999936}, "ep001": {"nsteps": 151, "reward": -8.427970145317103, "good_angle": 0.6093376384681238, "survival_time": 5.033333333333325, "traveled_tiles": 2, "valid_direction": 2.5999999999999908}, "ep002": {"nsteps": 215, "reward": -4.707207290020901, "good_angle": 0.27180616427834053, "survival_time": 7.166666666666651, "traveled_tiles": 3, "valid_direction": 0}, "ep003": {"nsteps": 159, "reward": -8.41390543463845, "good_angle": 9.46421697516332, "survival_time": 5.299999999999991, "traveled_tiles": 3, "valid_direction": 1.8333333333333268}, "ep004": {"nsteps": 290, "reward": -4.690919301551285, "good_angle": 2.9278465707816745, "survival_time": 9.666666666666645, "traveled_tiles": 3, "valid_direction": 3.5333333333333217}}
good_angle_max16.15140085122791
good_angle_mean5.884921639983874
good_angle_median2.9278465707816745
good_angle_min0.27180616427834053
reward_max-4.690919301551285
reward_mean-7.287225592178501
reward_median-8.41390543463845
reward_min-10.196125789364771
survival_time_max9.666666666666645
survival_time_mean6.326666666666654
survival_time_min4.466666666666661
traveled_tiles_max3
traveled_tiles_mean2.6
traveled_tiles_median3
traveled_tiles_min2
valid_direction_max3.5333333333333217
valid_direction_mean2.2533333333333267
valid_direction_median2.5999999999999908
valid_direction_min0
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3037355Pravish Sainath 🇨🇦PyTorch templateaido1_LF1_r3-v3step1-simulationsuccessnorudolf-30:02:06
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other stats
simulation-passed1
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3025349Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step1-simulationsuccessnorudolf-30:01:42
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simulation-passed1
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3020352Anton Mashikhin 🇷🇺AI DL RL MML XXXL 2k18 yooaido1_LF1_r3-v3step1-simulationtimeoutnorudolf-30:11:03
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3018353Anton Mashikhin 🇷🇺AI DL RL MML XXXL 2k18 yooaido1_LF1_r3-v3step1-simulationtimeoutnorudolf-30:11:04
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3016144Andrea Censi 🇨🇭Random executionaido1_LF1_r3-v3step1-simulationtimeoutnorudolf-30:11:01
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3014165Andrea Censi 🇨🇭Random executionaido1_LF1_r3-v3step1-simulationtimeoutnorudolf-30:11:08
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3004307Andrea Censi 🇨🇭Random executionaido1_LF1_r3-v3step1-simulationfailednorudolf-30:02:07
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 586, in wrap_solution
    raise InvalidSubmission(msg)
InvalidSubmission: Uncaught exception in solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 581, in wrap_solution
    solution.run(cis)
  File "solution.py", line 64, in run
    solve(gym_environment, cis)  # let's try to solve the challenge, exciting ah?
  File "solution.py", line 39, in solve
    observation, reward, done, info = env.step(action)
  File "/usr/local/lib/python2.7/dist-packages/gym/wrappers/time_limit.py", line 31, in step
    observation, reward, done, info = self.env.step(action)
  File "/notebooks/src/gym-duckietown-agent/gym_duckietown_agent/envs/simplesimagent_env.py", line 107, in step
    obs, rew, done, misc = self.sim.step(action, with_observation=True)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 55, in step
    return self._failsafe_observe(msg)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 86, in _failsafe_observe
    raise Exception(msg)
Exception: Giving up to connect to the gym duckietown server at host: evaluator
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3001309Andrea Censi 🇨🇭PyTorch DDPG templateaido1_LF1_r3-v3step1-simulationerrornorudolf-30:00:27
Uncaught exception w [...]
Uncaught exception while running Docker Compose:
Traceback (most recent call last):
  File "/project/src/duckietown_challenges_runner/runner.py", line 526, in run_one
    cr = read_challenge_results(wd)
  File "/project/src/duckietown-challenges/src/duckietown_challenges/challenge_results.py", line 63, in read_challenge_results
    raise Exception(msg)
Exception: File u'/tmp/duckietown/DT18/evaluator/executions/aido1_LF1_r3-v3/submission309/step1-simulation-rudolf-3-job3001/challenge-results/challenge_results.yaml' does not exist.
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No reset possible
2997312Andrea Censi 🇨🇭Tensorflow templateaido1_LF1_r3-v3step1-simulationerrornorudolf-30:00:25
Uncaught exception w [...]
Uncaught exception while running Docker Compose:
Traceback (most recent call last):
  File "/project/src/duckietown_challenges_runner/runner.py", line 526, in run_one
    cr = read_challenge_results(wd)
  File "/project/src/duckietown-challenges/src/duckietown_challenges/challenge_results.py", line 63, in read_challenge_results
    raise Exception(msg)
Exception: File u'/tmp/duckietown/DT18/evaluator/executions/aido1_LF1_r3-v3/submission312/step1-simulation-rudolf-3-job2997/challenge-results/challenge_results.yaml' does not exist.
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2988331Andrea Censi 🇨🇭Random executionaido1_LF1_r3-v3step1-simulationfailednorudolf-30:02:14
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 586, in wrap_solution
    raise InvalidSubmission(msg)
InvalidSubmission: Uncaught exception in solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 581, in wrap_solution
    solution.run(cis)
  File "solution.py", line 73, in run
    solve(gym_environment, cis)  # let's try to solve the challenge, exciting ah?
  File "solution.py", line 46, in solve
    observation, reward, done, info = env.step(action)
  File "/usr/local/lib/python2.7/dist-packages/gym/wrappers/time_limit.py", line 31, in step
    observation, reward, done, info = self.env.step(action)
  File "/notebooks/src/gym-duckietown-agent/gym_duckietown_agent/envs/simplesimagent_env.py", line 109, in step
    obs, rew, done, misc = self.sim.step(action, with_observation=True)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 55, in step
    return self._failsafe_observe(msg)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 86, in _failsafe_observe
    raise Exception(msg)
Exception: Giving up to connect to the gym duckietown server at host: evaluator
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2981350Manfred DiazTensorflow templateaido1_LF1_r3-v3step1-simulationerrornorudolf-30:00:46
InvalidEvaluator: Tr [...]
InvalidEvaluator:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 488, in wrap_evaluator
    evaluator.score(cie)
  File "eval.py", line 96, in score
    raise dc.InvalidEvaluator(msg)
InvalidEvaluator: Gym exited with code 2
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2979349Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step3-videossuccessnorudolf-30:00:46
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other stats
videos1
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2976349Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step1-simulationsuccessnorudolf-30:01:42
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other stats
simulation-passed1
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2972347Anton Mashikhin 🇷🇺AI DL RL MML XXXL 2k18 yooaido1_LF1_r3-v3step1-simulationerrornorudolf-30:10:31
Timeout: Waited 602 [...]
Timeout:

Waited 602.821443081 for container to finish. Giving up.
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2964344Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step1-simulationerrornorudolf-30:00:24
Uncaught exception w [...]
Uncaught exception while running Docker Compose:
Traceback (most recent call last):
  File "/project/src/duckietown_challenges_runner/runner.py", line 526, in run_one
    cr = read_challenge_results(wd)
  File "/project/src/duckietown-challenges/src/duckietown_challenges/challenge_results.py", line 63, in read_challenge_results
    raise Exception(msg)
Exception: File u'/tmp/duckietown/DT18/evaluator/executions/aido1_LF1_r3-v3/submission344/step1-simulation-rudolf-3-job2964/challenge-results/challenge_results.yaml' does not exist.
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No reset possible
2960343Bhairav MehtaPyTorch DDPG templateaido1_LF1_r3-v3step1-simulationerrornorudolf-30:00:26
Uncaught exception w [...]
Uncaught exception while running Docker Compose:
Traceback (most recent call last):
  File "/project/src/duckietown_challenges_runner/runner.py", line 526, in run_one
    cr = read_challenge_results(wd)
  File "/project/src/duckietown-challenges/src/duckietown_challenges/challenge_results.py", line 63, in read_challenge_results
    raise Exception(msg)
Exception: File u'/tmp/duckietown/DT18/evaluator/executions/aido1_LF1_r3-v3/submission343/step1-simulation-rudolf-3-job2960/challenge-results/challenge_results.yaml' does not exist.
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2958341Claudio RuchJava templateaido1_amod1-v3step1-simulationerroryesrudolf-30:10:57
Timeout: Waited 602 [...]
Timeout:

Waited 602.743330002 for container to finish. Giving up.
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No reset possible
2953150Julian ZillyBaseline solution using imitation learning from logsaido1_LF1_r3-v3step1-simulationfailednorudolf-30:00:19
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 575, in wrap_solution
    solution.run(cis)
  File "solution.py", line 93, in run
    raise InvalidSubmission(str(e))
InvalidSubmission: Env Duckietown-Lf-Lfv-Navv-Silent-v1 not found (valid versions include ['Duckietown-Lf-Lfv-Navv-Silent-v0'])
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2951179Bhairav MehtaROS-based Lane Followingaido1_LF1_r3-v3step1-simulationfailednorudolf-30:00:26
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Env Duckietown-Lf-Lfv-Navv-Silent-v1 not found (valid versions include ['Duckietown-Lf-Lfv-Navv-Silent-v0'])
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No reset possible
2947216Bhairav MehtaROS-based Lane Followingaido1_LF1_r3-v3step1-simulationfailednorudolf-30:00:25
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Env Duckietown-Lf-Lfv-Navv-Silent-v1 not found (valid versions include ['Duckietown-Lf-Lfv-Navv-Silent-v0'])
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No reset possible
2943220Julian ZillyBaseline solution using imitation learning from logsaido1_LF1_r3-v3step1-simulationfailednorudolf-30:00:21
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 581, in wrap_solution
    solution.run(cis)
  File "solution.py", line 107, in run
    raise InvalidSubmission(str(e))
InvalidSubmission: Can't connect to the gym-duckietown-server
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No reset possible
2941223Julian ZillyBaseline solution using imitation learning from logsaido1_LF1_r3-v3step1-simulationfailednorudolf-30:00:23
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 581, in wrap_solution
    solution.run(cis)
  File "solution.py", line 107, in run
    raise InvalidSubmission(str(e))
InvalidSubmission: Can't connect to the gym-duckietown-server
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No reset possible
2923281Anton Mashikhin 🇷🇺AI DL RL MML XXXL 2k18 yooaido1_LF1_r3-v3step1-simulationerrornorudolf-30:10:28
Timeout: Waited 602 [...]
Timeout:

Waited 602.761951923 for container to finish. Giving up.
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No reset possible
2919144Andrea Censi 🇨🇭Random executionaido1_LF1_r3-v3step1-simulationfailednorudolf-30:02:18
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 580, in wrap_solution
    raise InvalidSubmission(msg)
InvalidSubmission: Uncaught exception in solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 575, in wrap_solution
    solution.run(cis)
  File "solution.py", line 60, in run
    solve(gym_environment, cis)  # let's try to solve the challenge, exciting ah?
  File "solution.py", line 35, in solve
    observation, reward, done, info = env.step(action)
  File "/usr/local/lib/python2.7/dist-packages/gym/wrappers/time_limit.py", line 31, in step
    observation, reward, done, info = self.env.step(action)
  File "/notebooks/src/gym-duckietown-agent/gym_duckietown_agent/envs/simplesimagent_env.py", line 107, in step
    obs, rew, done, misc = self.sim.step(action, with_observation=True)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 52, in step
    return self._failsafe_observe(msg)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 74, in _failsafe_observe
    raise Exception("Can't connect to the gym-duckietown-server")
Exception: Can't connect to the gym-duckietown-server
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No reset possible
2908304Anton Mashikhin 🇷🇺AI DL RL MML XXXL 2k18 yooaido1_LF1_r3-v3step1-simulationerrornorudolf-30:10:27
Timeout: Waited 602 [...]
Timeout:

Waited 602.702722073 for container to finish. Giving up.
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No reset possible
2905166Andrea Censi 🇨🇭Random executionaido1_LFV_r1-v3step1-simulationabortednorudolf-30:00:23
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 580, in wrap_solution
    raise InvalidSubmission(msg)
InvalidSubmission: Uncaught exception in solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 575, in wrap_solution
    solution.run(cis)
  File "solution.py", line 64, in run
    solve(gym_environment, cis)  # let's try to solve the challenge, exciting ah?
  File "solution.py", line 39, in solve
    observation, reward, done, info = env.step(action)
  File "/usr/local/lib/python2.7/dist-packages/gym/wrappers/time_limit.py", line 31, in step
    observation, reward, done, info = self.env.step(action)
  File "/notebooks/src/gym-duckietown-agent/gym_duckietown_agent/envs/simplesimagent_env.py", line 107, in step
    obs, rew, done, misc = self.sim.step(action, with_observation=True)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 52, in step
    return self._failsafe_observe(msg)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 74, in _failsafe_observe
    raise Exception("Can't connect to the gym-duckietown-server")
Exception: Can't connect to the gym-duckietown-server
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2898332Andrea Censi 🇨🇭Random executionaido1_LFV_r1-v3step1-simulationfailednorudolf-30:00:42
InvalidSubmission: T [...]
InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 586, in wrap_solution
    raise InvalidSubmission(msg)
InvalidSubmission: Uncaught exception in solution:
Traceback (most recent call last):
  File "/notebooks/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 581, in wrap_solution
    solution.run(cis)
  File "solution.py", line 73, in run
    solve(gym_environment, cis)  # let's try to solve the challenge, exciting ah?
  File "solution.py", line 46, in solve
    observation, reward, done, info = env.step(action)
  File "/usr/local/lib/python2.7/dist-packages/gym/wrappers/time_limit.py", line 31, in step
    observation, reward, done, info = self.env.step(action)
  File "/notebooks/src/gym-duckietown-agent/gym_duckietown_agent/envs/simplesimagent_env.py", line 109, in step
    obs, rew, done, misc = self.sim.step(action, with_observation=True)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 55, in step
    return self._failsafe_observe(msg)
  File "/notebooks/src/duckietown-slimremote/duckietown_slimremote/pc/robot.py", line 86, in _failsafe_observe
    raise Exception(msg)
Exception: Giving up to connect to the gym duckietown server at host: evaluator
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