[DataLoader] add repr for WorkerInfo

[ssnl]

No description provided.

[dr-ci]

💊 CI failures summary and remediations

As of commit 7fe016b (more details on the Dr. CI page):

---

• 2/2 failures possibly* introduced in this PR
  • 1/2 non-CircleCI failure(s)

---

🕵️ 1 new failure recognized by patterns

The following CI failures do not appear to be due to upstream breakages:

pytorch_windows_vs2019_py36_cuda10.1_test1 (1/1)

Step: "Test" (full log | diagnosis details | 🔁 rerun)

[ FAILED ] BatchPermutationTest.CHECKCPUGPUEqualGenericDimension

00007FFE58A4797400007FFE58A47960 KERNEL32.DLL!BaseThreadInitThunk [<unknown file> @ <unknown line number>] 
00007FFE58BFA27100007FFE58BFA250 ntdll.dll!RtlUserThreadStart [<unknown file> @ <unknown line number>] 
" thrown in the test body. 
[  FAILED  ] BatchPermutationTest.CHECKCPUGPUEqualGenericDimension (95327 ms) 
[----------] 1 test from BatchPermutationTest (95327 ms total) 
 
[----------] Global test environment tear-down 
[==========] 1 test from 1 test case ran. (95327 ms total) 
[  PASSED  ] 0 tests. 
[  FAILED  ] 1 test, listed below: 
[  FAILED  ] BatchPermutationTest.CHECKCPUGPUEqualGenericDimension 
 
 1 FAILED TEST 
"batch_permutation_op_gpu_test" failed with exit code 1 
+ cleanup
+ retcode=1
+ set +x

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ci.pytorch.org: 1 failed

• Failed: pr/caffe2-pytorch-linux-xenial-rocm3.3-py3.6-test

---

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This comment has been revised 13 times.

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@ezyang is landing this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[facebook-github-bot]

@ezyang merged this pull request in 23db54a.