Stderr output

<core_client_version>8.0.2</core_client_version>
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<stderr_txt>
BOINC client version 8.0.2
BOINC GPU type 'NVIDIA', deviceId=0, slot=8
Application: period_search_10217_windows_x86_64__cuda118_win10.exe
Version: 102.17.0.0
CUDA version: 11080
CUDA Device number: 0
CUDA Device: NVIDIA GeForce GTX 1070 8191MB 
CUDA Device driver: 572.70
Compute capability: 6.1
Shared memory per Block | per SM: 49152 | 98304
Multiprocessors: 15
Resident blocks per multiprocessor: 32
Grid dim: 480 = 15*32
Block dim: 128
22:40:00 (3680): Can't acquire lockfile (32) - waiting 35s
22:40:35 (3680): Can't acquire lockfile (32) - exiting
22:40:35 (3680): Error: The process cannot access the file because it is being used by another process.

 (0x20)
22:54:49 (7476): Can't acquire lockfile (32) - waiting 35s
22:55:24 (7476): Can't acquire lockfile (32) - exiting
22:55:24 (7476): Error: The process cannot access the file because it is being used by another process.

 (0x20)
23:05:49 (7660): Can't acquire lockfile (32) - waiting 35s
23:06:24 (7660): Can't acquire lockfile (32) - exiting
23:06:24 (7660): Error: The process cannot access the file because it is being used by another process.

 (0x20)
23:07:19 (1572): called boinc_finish(0)

</stderr_txt>
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