UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0 Safari/605.1.15

Steps to reproduce the problem:
1. Open the latest released Canary within macOS 10.14 beta 5. 

What is the expected behavior?
Normal browsing

What went wrong?
Process:               Google Chrome Canary [13860]
Path:                  /Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary
Identifier:            com.google.Chrome.canary
Version:               70.0.3515.0 (3515.0)
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Google Chrome Canary [13860]
User ID:               501

Date/Time:             2018-08-07 11:50:55.597 +0200
OS Version:            Mac OS X 10.14 (18A347e)
Report Version:        12

Time Awake Since Boot: 66000 seconds
Time Since Wake:       2400 seconds

System Integrity Protection: disabled

Crashed Thread:        44  Chrome_SyncThread

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000

Application Specific Information:
terminating with uncaught exception of type std::out_of_range: basic_string
abort() called

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 5394664
    thread_create: 0
    thread_set_state: 54

VM Region Summary:
ReadOnly portion of Libraries: Total=562.5M resident=0K(0%) swapped_out_or_unallocated=562.5M(100%)
Writable regions: Total=434.8M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=434.8M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               384K        3 
Activity Tracing                   256K        2 
CG backing stores                  992K        3 
CG image                            24K        4 
CoreAnimation                       36K        5 
CoreGraphics                         8K        2 
CoreImage                           24K        3 
CoreUI image data                  524K        7 
CoreUI image file                  400K        4 
Dispatch continuations            8192K        2 
Foundation                           4K        2 
IOKit                             10.4M        8 
IOSurface                           24K        4 
Image IO                            44K        6 
Kernel Alloc Once                    8K        2 
MALLOC                           125.2M       42 
MALLOC guard page                   32K        8 
MALLOC_LARGE (reserved)            176K        2         reserved VM address space (unallocated)
Mach message (reserved)              4K        2         reserved VM address space (unallocated)
Memory Tag 242                      12K        2 
PROTECTED_MEMORY                     4K        2 
STACK GUARD                       56.2M       46 
Stack                            262.4M       90 
VM_ALLOCATE                         72K        8 
__DATA                            42.0M      320 
__FONT_DATA                          4K        2 
__LINKEDIT                       217.9M        7 
__TEXT                           344.6M      326 
__UNICODE                          560K        2 
mapped file                      103.2M       60 
shared memory                     32.6M       39 
===========                     =======  ======= 
TOTAL                              1.2G      984 
TOTAL, minus reserved VM space     1.2G      984 

Model: MacBookPro14,1, BootROM MBP141.0178.B00, 2 processors, Intel Core i7, 2,5 GHz, 16 GB, SMC 2.43f6
Graphics: Intel Iris Plus Graphics 640, Intel Iris Plus Graphics 640, Built-In
Memory Module: BANK 0/DIMM0, 8 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C31473332443450472D30393320
Memory Module: BANK 1/DIMM0, 8 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C31473332443450472D30393320
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x170), Broadcom BCM43xx 1.0 (7.77.61.1 AirPortDriverBrcmNIC-1305.2)
Bluetooth: Version 6.0.8d38, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB 3.0 Bus
Thunderbolt Bus: MacBook Pro, Apple Inc., 33.1

Crashed report ID: No

How much crashed? Whole browser

Is it a problem with a plugin? No 

Did this work before? Yes Yesterday version

Chrome version: 70.0.3515.0 (3515.0)  Channel: canary
OS Version: OS X 10.14
Flash Version: