I update the debug logs, rate limit seem apply to all service account of same Google Account / Project
C:\Users\Administrator>SET RCLONE_VERBOSE=2
C:\Users\Administrator>restic backup -r rclone:DemoDrive:RESTIC D:\Database\DemoDB --no-scan --iexclude-file D:\Scripts\restic-exclude.txt
rclone: 2023/10/13 16:36:17 DEBUG : rclone: Version "v1.64.0" starting with parameters ["rclone" "serve" "restic" "--stdio" "--b2-hard-delete" "DemoDrive:RESTIC"]
rclone: 2023/10/13 16:36:17 DEBUG : Creating backend with remote "DemoDrive:RESTIC"
rclone: 2023/10/13 16:36:17 DEBUG : Using config file from "C:\\Users\\Administrator\\AppData\\Roaming\\rclone\\rclone.conf"
rclone: 2023/10/13 16:36:17 DEBUG : Setting drive_pacer_min_sleep="10ms" from environment variable RCLONE_DRIVE_PACER_MIN_SLEEP
rclone: 2023/10/13 16:36:17 DEBUG : Setting drive_pacer_burst="200" from environment variable RCLONE_DRIVE_PACER_BURST
rclone: 2023/10/13 16:36:17 DEBUG : DemoDrive: detected overridden config - adding "{cHldw}" suffix to name
rclone: 2023/10/13 16:36:17 DEBUG : Setting drive_pacer_min_sleep="10ms" from environment variable RCLONE_DRIVE_PACER_MIN_SLEEP
rclone: 2023/10/13 16:36:17 DEBUG : Setting drive_pacer_burst="200" from environment variable RCLONE_DRIVE_PACER_BURST
rclone: 2023/10/13 16:36:18 DEBUG : fs cache: renaming cache item "DemoDrive:RESTIC" to be canonical "DemoDrive{cHldw}:RESTIC"
rclone: 2023/10/13 16:36:18 DEBUG : file-7931991868572922989: GET request error: object not found
rclone: 2023/10/13 16:36:19 DEBUG : keys: list request
repository d94a78f5 opened (version 2, compression level auto)
rclone: 2023/10/13 16:36:22 DEBUG : locks: list request
rclone: 2023/10/13 16:36:24 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:24 DEBUG : pacer: Rate limited, increasing sleep to 1.136305597s
rclone: 2023/10/13 16:36:24 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:24 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:25 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 271.880647ms: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:36:27 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:27 DEBUG : pacer: Rate limited, increasing sleep to 1.87923677s
rclone: 2023/10/13 16:36:27 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:27 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:27 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 1.080042061s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:36:29 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:29 DEBUG : pacer: Rate limited, increasing sleep to 1.97833867s
rclone: 2023/10/13 16:36:29 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:29 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:30 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 627.108891ms: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:36:32 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:32 DEBUG : pacer: Rate limited, increasing sleep to 1.084889597s
rclone: 2023/10/13 16:36:32 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:32 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:33 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 1.913874595s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:36:36 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:36 DEBUG : pacer: Rate limited, increasing sleep to 1.496964676s
rclone: 2023/10/13 16:36:36 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:36 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:36 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 3.501716316s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:36:41 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:41 DEBUG : pacer: Rate limited, increasing sleep to 1.082219298s
rclone: 2023/10/13 16:36:41 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:41 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:41 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 3.662423413s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:36:46 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:46 DEBUG : pacer: Rate limited, increasing sleep to 1.187066952s
rclone: 2023/10/13 16:36:46 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:46 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:46 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 8.255680315s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:36:55 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:36:55 DEBUG : pacer: Rate limited, increasing sleep to 1.669166271s
rclone: 2023/10/13 16:36:55 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:55 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:36:56 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 6.402950199s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:37:03 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:37:03 DEBUG : pacer: Rate limited, increasing sleep to 1.216514674s
rclone: 2023/10/13 16:37:03 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:37:03 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:37:03 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 17.810737405s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:37:18 INFO :
rclone: Transferred: 2.125 KiB / 2.125 KiB, 100%, 15 B/s, ETA 0s
rclone: Errors: 18 (retrying may help)
rclone: Transferred: 3 / 3, 100%
rclone: Elapsed time: 1m5.3s
rclone:
rclone: 2023/10/13 16:37:22 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:37:22 DEBUG : pacer: Rate limited, increasing sleep to 1.455943789s
rclone: 2023/10/13 16:37:22 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:37:22 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:37:22 DEBUG : pacer: Reducing sleep to 0s
st error: object not found
Save(<lock/18c0bd3527>) returned error, retrying after 9.946527965s: server response unexpected: 500 Internal Server Error (500)
rclone: 2023/10/13 16:37:33 DEBUG : pacer: low level retry 1/1 (error googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded)
rclone: 2023/10/13 16:37:33 DEBUG : pacer: Rate limited, increasing sleep to 1.441577489s
rclone: 2023/10/13 16:37:33 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
put error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:37:33 ERROR : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Post request
rcat error: googleapi: Error 403: User rate limit exceeded., userRateLimitExceeded
rclone: 2023/10/13 16:37:34 DEBUG : pacer: Reducing sleep to 0s
rclone: 2023/10/13 16:37:34 DEBUG : locks/18c0bd3527753ea8cf56d5f3298584327c56456931747725777e609c75b539bf: Delete request error: object not found
unable to create lock in backend: server response unexpected: 500 Internal Server Error (500)
C:\Users\Administrator>