Job runs at weird times

[amacfie]

I have a job that is supposed to run every day at 8pm, but it runs roughly twice every other day:

$ jobber -v
1.3.4

$ lsb_release -a
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.2 LTS
Release:	18.04
Codename:	bionic

$ uname -r
4.18.0-16-generic

$ date
Tue Apr  2 09:55:41 EDT 2019

$ jobber list
NAME                    STATUS  SEC/MIN/HR/MDAY/MTH/WDAY  NEXT RUN TIME              NOTIFY ON SUCCESS  NOTIFY ON ERR  NOTIFY ON FAIL  ERR HANDLER
daily_screenshot        Good    0 0 20 * * *              Apr  1 20:00:00 -0400 EDT  false              false          true            Continue

$ jobber log
TIME                  JOB               SUCCEEDED  RESULT  
Mar 31 22:04:34 2019  daily_screenshot  true       Good    
Mar 29 21:39:27 2019  daily_screenshot  true       Good    
Mar 27 21:14:05 2019  daily_screenshot  true       Good    
Mar 25 22:47:23 2019  daily_screenshot  true       Good    
Mar 23 20:00:00 2019  daily_screenshot  true       Good    
Mar 23 17:05:12 2019  daily_screenshot  true       Good    
Mar 21 20:00:00 2019  daily_screenshot  true       Good    
Mar 21 18:37:43 2019  daily_screenshot  true       Good    
Mar 19 20:00:00 2019  daily_screenshot  true       Good    
Mar 19 17:09:11 2019  daily_screenshot  true       Good    

[dshearer]

Ah man, I hate bugs like this.

[dshearer]

Sorry for the massive delay. Are you still seeing this?

[amacfie]

Looks like it:

% jobber -v
1.3.4

% lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 19.10
Release:        19.10
Codename:       eoan

% uname -r
5.3.0-51-generic

% date
Mon May 25 20:13:13 EDT 2020

% jobber list
NAME                    STATUS  SEC/MIN/HR/MDAY/MTH/WDAY  NEXT RUN TIME              NOTIFY ON SUCCESS  NOTIFY ON ERR  NOTIFY ON FAIL  ERR HANDLER
daily_screenshot        Good    0 0 20 * * *              May 25 20:00:00 -0400 EDT  false              false          true            Continue

% jobber log
TIME                  JOB               SUCCEEDED  RESULT
May 25 10:29:51 2020  daily_screenshot  true       Good
May 24 11:26:09 2020  daily_screenshot  true       Good
May 21 20:00:00 2020  daily_screenshot  true       Good