Task 10087549

Name	08000761_16_1
Workunit	7892696
Created	23 Oct 2020, 18:18:22 UTC
Sent	23 Oct 2020, 18:19:36 UTC
Report deadline	28 Oct 2020, 18:19:36 UTC
Received	24 Oct 2020, 18:22:27 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	1 (0x00000001) Unknown error code
Computer ID	4313
Run time	9 sec
CPU time
Validate state	Invalid
Credit	0.00
Device peak FLOPS	4.71 GFLOPS
Application version	boinc2docker v1.14 (vbox64_mt) x86_64-apple-darwin
Peak working set size	1.54 MB
Peak swap size	4.13 GB
Peak disk usage	501.21 MB
Stderr output

<core_client_version>7.16.11</core_client_version>
<![CDATA[
<message>
process exited with code 1 (0x1, -255)</message>
<stderr_txt>
2020-10-23 13:20:30 (69152): vboxwrapper (7.7.26199): starting
2020-10-23 13:20:30 (69152): Feature: Checkpoint interval offset (324 seconds)
2020-10-23 13:20:30 (69152): Detected: VirtualBox VboxManage Interface (Version: 5.1.2)
2020-10-23 13:20:30 (69152): Detected: Sandbox Configuration Enabled
2020-10-23 13:20:30 (69152): Detected: Minimum checkpoint interval (600.000000 seconds)
2020-10-23 13:20:30 (69152): Create VM. (boinc_1f9b3bc110e116e8, slot#15)
2020-10-23 13:20:30 (69152): Updating drive controller type and model for desired configuration.
2020-10-23 13:20:30 (69152): Setting Memory Size for VM. (3072MB)
2020-10-23 13:20:30 (69152): Setting CPU Count for VM. (1)
2020-10-23 13:20:30 (69152): Setting Chipset Options for VM.
2020-10-23 13:20:31 (69152): Setting Boot Options for VM.
2020-10-23 13:20:31 (69152): Setting Network Configuration for NAT.
2020-10-23 13:20:31 (69152): Enabling VM Network Access.
2020-10-23 13:20:31 (69152): Disabling USB Support for VM.
2020-10-23 13:20:31 (69152): Disabling COM Port Support for VM.
2020-10-23 13:20:31 (69152): Disabling Audio Support for VM.
2020-10-23 13:20:31 (69152): Disabling Clipboard Support for VM.
2020-10-23 13:20:31 (69152): Disabling Drag and Drop Support for VM.
2020-10-23 13:20:31 (69152): Adding storage controller(s) to VM.
2020-10-23 13:20:31 (69152): Adding virtual ISO 9660 disk drive to VM. (vm_isocontext.iso)
2020-10-23 13:20:31 (69152): Adding VirtualBox Guest Additions to VM.
2020-10-23 13:20:32 (69152): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2020-10-23 13:20:32 (69152): Enabling shared directory for VM.
2020-10-23 13:20:32 (69152): Starting VM. (boinc_1f9b3bc110e116e8, slot#15)
2020-10-23 13:20:32 (69152): Error in start VM for VM: 1
Command:
VBoxManage -q startvm "boinc_1f9b3bc110e116e8" --type headless
Output:
VBoxManage: error: The virtual machine 'boinc_1f9b3bc110e116e8' has terminated unexpectedly during startup with exit code 1 (0x1)
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_1f9b3bc110e116e8" to power on...

2020-10-23 13:20:32 (69152): VM failed to start.
2020-10-23 13:20:32 (69152): Powering off VM.
2020-10-23 13:20:32 (69152): Deregistering VM. (boinc_1f9b3bc110e116e8, slot#15)
2020-10-23 13:20:33 (69152): Removing network bandwidth throttle group from VM.
2020-10-23 13:20:33 (69152): Removing storage controller(s) from VM.
2020-10-23 13:20:33 (69152): Removing VM from VirtualBox.
2020-10-23 13:20:33 (69152): Removing virtual ISO 9660 disk from VirtualBox.

    Hypervisor System Log:

00:00:21.013543 nspr-4   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:21.020905 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:21.107792 nspr-3   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:21.109118 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:21.420727 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:21.421566 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:21.459505 nspr-3   WARNING [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={afca788c-4477-787d-60b2-3fa70e56fbbc} aComponent={HostWrap} aText={Could not load the Host USB Proxy service: VERR_GENERAL_FAILURE}, preserve=true  aResultDetail=0
00:00:21.459949 nspr-4   WARNING [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={afca788c-4477-787d-60b2-3fa70e56fbbc} aComponent={HostWrap} aText={Could not load the Host USB Proxy service: VERR_GENERAL_FAILURE}, preserve=true  aResultDetail=0
00:00:21.471779 nspr-2   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:22.070631 Watcher  ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={MachineWrap} aText={The virtual machine 'boinc_1f9b3bc110e116e8' has terminated unexpectedly during startup with exit code 1 (0x1)}, preserve=false aResultDetail=0
00:00:22.155467 nspr-2   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:22.809457 nspr-4   SUP: Couldn't find any matches. The kernel module is probably not loaded.
00:00:22.810693 nspr-4   SUP: Couldn't find any matches. The kernel module is probably not loaded.
00:00:22.897480 nspr-4   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945} aComponent={VirtualBoxWrap} aText={Could not find a registered machine named 'boinc_222e9a678cda39b0'}, preserve=false aResultDetail=0
00:00:22.975687 nspr-2   ERROR [COM]: aRC=VBOX_E_FILE_ERROR (0x80bb0004) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Could not find file for the medium '/Library/Application Support/BOINC Data/slots/3/vm_image.vdi' (VERR_FILE_NOT_FOUND)}, preserve=false aResultDetail=0
00:00:24.248283 nspr-3   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:24.251041 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:24.346932 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:24.348698 nspr-4   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:24.652813 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:24.653642 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:24.685751 nspr-4   WARNING [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={afca788c-4477-787d-60b2-3fa70e56fbbc} aComponent={HostWrap} aText={Could not load the Host USB Proxy service: VERR_GENERAL_FAILURE}, preserve=true  aResultDetail=0
00:00:24.686175 nspr-3   WARNING [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={afca788c-4477-787d-60b2-3fa70e56fbbc} aComponent={HostWrap} aText={Could not load the Host USB Proxy service: VERR_GENERAL_FAILURE}, preserve=true  aResultDetail=0
00:00:24.694968 nspr-2   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:25.279789 Watcher  ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={MachineWrap} aText={The virtual machine 'boinc_222e9a678cda39b0' has terminated unexpectedly during startup with exit code 1 (0x1)}, preserve=false aResultDetail=0
00:00:25.366439 nspr-2   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={b2547866-a0a1-4391-8b86-6952d82efaa0} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:25.891751 nspr-2   SUP: Couldn't find any matches. The kernel module is probably not loaded.
00:00:25.893086 nspr-2   SUP: Couldn't find any matches. The kernel module is probably not loaded.
00:00:25.977793 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945} aComponent={VirtualBoxWrap} aText={Could not find a registered machine named 'boinc_285da9d3dced0af5'}, preserve=false aResultDetail=0
00:00:26.057536 nspr-3   ERROR [COM]: aRC=VBOX_E_FILE_ERROR (0x80bb0004) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Could not find file for the medium '/Library/Application Support/BOINC Data/slots/16/vm_image.vdi' (VERR_FILE_NOT_FOUND)}, preserve=false aResultDetail=0
00:00:26.972344 nspr-2   SUP: Couldn't find any matches. The kernel module is probably not loaded.
00:00:26.974299 nspr-2   SUP: Couldn't find any matches. The kernel module is probably not loaded.
00:00:27.065155 nspr-2   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945} aComponent={VirtualBoxWrap} aText={Could not find a registered machine named 'boinc_2a4aad2575a1fed7'}, preserve=false aResultDetail=0
00:00:27.145463 nspr-3   ERROR [COM]: aRC=VBOX_E_FILE_ERROR (0x80bb0004) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Could not find file for the medium '/Library/Application Support/BOINC Data/slots/17/vm_image.vdi' (VERR_FILE_NOT_FOUND)}, preserve=false aResultDetail=0

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

Maximum PIIX3 Network Adapter count:   8
Maximum ICH9 Network Adapter count:   36
Maximum PIIX3 IDE Controllers:   1
Maximum ICH9 IDE Controllers:    1
Maximum IDE Port count:          2
Maximum Devices per IDE Port:    2
Maximum PIIX3 SATA Controllers:  1
Maximum ICH9 SATA Controllers:   8
Maximum SATA Port count:         30
Maximum Devices per SATA Port:   1
Maximum PIIX3 SCSI Controllers:  1
Maximum ICH9 SCSI Controllers:   8
Maximum SCSI Port count:         16
Maximum Devices per SCSI Port:   1
Maximum SAS PIIX3 Controllers:   1
Maximum SAS ICH9 Controllers:    8
Maximum SAS Port count:          255
Maximum Devices per SAS Port:    1
Maximum PIIX3 Floppy Controllers:1
Maximum ICH9 Floppy Controllers: 1
Maximum Floppy Port count:       1
Maximum Devices per Floppy Port: 2
Default machine folder:          /Users/mike/VirtualBox VMs
Raw-mode Supported:              no
Exclusive HW virtualization use: off
Default hard disk format:        VDI
VRDE auth library:               VBoxAuth
Webservice auth. library:        VBoxAuth
Remote desktop ExtPack:          
Log history count:               3
Default frontend:                
Default audio driver:            CoreAudio
Autostart database path:         
Default Guest Additions ISO:     /Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso
Logging Level:                   all

2020-10-23 13:20:30 (69152): 
Command: VBoxManage -q list hostinfo 
Exit Code: 0
Output:
Host Information:

Host time: 2020-10-23T18:20:30.480000000Z
Processor online count: 8
Processor count: 8
Processor online core count: 4
Processor core count: 4
Processor supports HW virtualization: yes
Processor supports PAE: yes
Processor supports long mode: yes
Processor supports nested paging: no
Processor#0 speed: 2800 MHz
Processor#0 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Processor#1 speed: 2800 MHz
Processor#1 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Processor#2 speed: 2800 MHz
Processor#2 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Processor#3 speed: 2800 MHz
Processor#3 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Processor#4 speed: 2800 MHz
Processor#4 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Processor#5 speed: 2800 MHz
Processor#5 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Processor#6 speed: 2800 MHz
Processor#6 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Processor#7 speed: 2800 MHz
Processor#7 description: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
Memory size: 16384 MByte
Memory available: 6152 MByte
Operating system: Darwin
Operating system version: 19.6.0

2020-10-23 13:20:30 (69152): 
Command: VBoxManage -q showvminfo "boinc_1f9b3bc110e116e8" --machinereadable 
Exit Code: -2135228415
Output:
VBoxManage: error: Could not find a registered machine named 'boinc_1f9b3bc110e116e8'
VBoxManage: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component VirtualBoxWrap, interface IVirtualBox, callee nsISupports
VBoxManage: error: Context: "FindMachine(Bstr(VMNameOrUuid).raw(), machine.asOutParam())" at line 2776 of file VBoxManageInfo.cpp

2020-10-23 13:20:30 (69152): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/slots/15/vm_image.vdi" 
Exit Code: -2135228412
Output:
VBoxManage: error: Could not find file for the medium '/Library/Application Support/BOINC Data/slots/15/vm_image.vdi' (VERR_FILE_NOT_FOUND)
VBoxManage: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium, callee nsISupports
VBoxManage: error: Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, enmAccessMode, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 178 of file VBoxManageDisk.cpp

2020-10-23 13:20:30 (69152): 
Command: VBoxManage -q createvm --name "boinc_1f9b3bc110e116e8" --basefolder "/Library/Application Support/BOINC Data/slots/15" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_1f9b3bc110e116e8' is created and registered.
UUID: 153b3d81-c71c-4d12-9b5c-914999736a30
Settings file: '/Library/Application Support/BOINC Data/slots/15/boinc_1f9b3bc110e116e8/boinc_1f9b3bc110e116e8.vbox'

2020-10-23 13:20:30 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --description "08000761_16_1" 
Exit Code: 0
Output:

2020-10-23 13:20:30 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --memory 3072 
Exit Code: 0
Output:

2020-10-23 13:20:30 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --cpus 1 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --acpi on --ioapic on 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --cableconnected1 on 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --usb off 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --uart1 off --uart2 off 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --audio none 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --clipboard disabled 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q modifyvm "boinc_1f9b3bc110e116e8" --draganddrop disabled 
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q storagectl "boinc_1f9b3bc110e116e8" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2020-10-23 13:20:31 (69152): 
Command: VBoxManage -q storageattach "boinc_1f9b3bc110e116e8" --storagectl "Hard Disk Controller" --port 0 --device 0 --type dvddrive --medium "/Library/Application Support/BOINC Data/slots/15/vm_isocontext.iso" 
Exit Code: 0
Output:

2020-10-23 13:20:32 (69152): 
Command: VBoxManage -q storageattach "boinc_1f9b3bc110e116e8" --storagectl "Hard Disk Controller" --port 2 --device 0 --type dvddrive --medium "/Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2020-10-23 13:20:32 (69152): 
Command: VBoxManage -q bandwidthctl "boinc_1f9b3bc110e116e8" add "boinc_1f9b3bc110e116e8_net" --type network --limit 1024G 
Exit Code: 0
Output:

2020-10-23 13:20:32 (69152): 
Command: VBoxManage -q sharedfolder add "boinc_1f9b3bc110e116e8" --name "shared" --hostpath "/Library/Application Support/BOINC Data/slots/15/shared"
Exit Code: 0
Output:

2020-10-23 13:20:32 (69152): 
Command: VBoxManage -q startvm "boinc_1f9b3bc110e116e8" --type headless
Exit Code: 1
Output:
VBoxManage: error: The virtual machine 'boinc_1f9b3bc110e116e8' has terminated unexpectedly during startup with exit code 1 (0x1)
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_1f9b3bc110e116e8" to power on...

2020-10-23 13:20:33 (69152): 
Command: VBoxManage -q snapshot "boinc_1f9b3bc110e116e8" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2020-10-23 13:20:33 (69152): 
Command: VBoxManage -q bandwidthctl "boinc_1f9b3bc110e116e8" remove "boinc_1f9b3bc110e116e8_net" 
Exit Code: 0
Output:

2020-10-23 13:20:33 (69152): 
Command: VBoxManage -q storagectl "boinc_1f9b3bc110e116e8" --name "Hard Disk Controller" --remove 
Exit Code: 0
Output:

2020-10-23 13:20:33 (69152): 
Command: VBoxManage -q unregistervm "boinc_1f9b3bc110e116e8" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2020-10-23 13:20:33 (69152): 
Command: VBoxManage -q closemedium dvd "/Library/Application Support/BOINC Data/slots/15/vm_isocontext.iso" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

13:20:38 (69152): called boinc_finish(1)

</stderr_txt>
]]>