fatal error: too many address space collisions for -race mode D0704 01:39:48.339311 766429 task_log.go:94] [ 61901(15334): 61901(15334)] R12 = 000000000013c89d D0704 01:39:48.339401 766429 task_log.go:94] [ 61901(15334): 61901(15334)] R13 = 00007fdd35eea4c0 D0704 01:39:48.339534 766429 task_log.go:94] [ 61901(15334): 61901(15334)] R14 = 000055b4a33d4f80 runtime stack: runtime.throw({0x52b614?, 0x0?}) GOROOT/src/runtime/panic.go:1047 +0x5d fp=0x7f426ddfc068 sp=0x7f426ddfc038 pc=0x12f12bd runtime.(*mheap).sysAlloc(0x2872240, 0xc3ffffffff?, 0x28823d8, 0x1) GOROOT/src/runtime/malloc.go:654 +0x645 fp=0x7f426ddfc0f8 sp=0x7f426ddfc068 pc=0x12c6de5 runtime.(*mheap).grow(0x2872240, 0xcc01?) GOROOT/src/runtime/mheap.go:1472 +0x7f fp=0x7f426ddfc170 sp=0x7f426ddfc0f8 pc=0x12e235f runtime.(*mheap).allocSpan(0x2872240, 0xcc01, 0x0, 0xff?) GOROOT/src/runtime/mheap.go:1243 +0x1b7 fp=0x7f426ddfc208 sp=0x7f426ddfc170 pc=0x12e1c77 runtime.(*mheap).alloc.func1() GOROOT/src/runtime/mheap.go:961 +0x65 fp=0x7f426ddfc250 sp=0x7f426ddfc208 pc=0x12e1725 runtime.systemstack() src/runtime/asm_amd64.s:496 +0x49 fp=0x7f426ddfc258 sp=0x7f426ddfc250 pc=0x1327c49