~/bibisect-win32-5.3
$ git bisect bad
8c6517c7f8110160d9f06062f4b2e57dc03cbcbb is the first bad commit
commit 8c6517c7f8110160d9f06062f4b2e57dc03cbcbb
Author: Norbert Thiebaud <nthiebaud@gmail.com>
Date:   Wed Jun 8 11:19:45 2016 -0700

    source sha:18260a0d9a381a105ffb032ee8f1050c77062102

    source sha:18260a0d9a381a105ffb032ee8f1050c77062102

:040000 040000 b2aa6ead48c5b6ab661e06d6a523b10a8b9f23b4 a138e132ed2331745a099e7081da1a9474d722e4 M      instdir

~/bibisect-win32-5.3
$ git bisect log
# bad: [a374222bc87bd9e75ea2f1ca45d189932a1967f8] source sha:aa09fd58bd499a2a2c3a32c5f613892bad54076c
# good: [defb73f1c6e2a66dbd21ba89e684f57427e8bc4b] source sha:5b168b3fa568e48e795234dc5fa454bf24c9805e
git bisect start 'origin/master' 'oldest'
# bad: [0b4408f0568ad1da0797543c0ee2955c386267ee] source sha:8f7886c742cae5e012e52029c20925aa7b0fb6ea
git bisect bad 0b4408f0568ad1da0797543c0ee2955c386267ee
# bad: [16b554fa5f3a3d2723e78d894d644ac9303a7991] source sha:50a6f3d51f32e7176c3b2d036c60bb48d51d6a1a
git bisect bad 16b554fa5f3a3d2723e78d894d644ac9303a7991
# bad: [e6174abf6e484f450bee6e52415805a2b8960ee0] source sha:011128aa9493a680c3e9da6d074f125a90ec455c
git bisect bad e6174abf6e484f450bee6e52415805a2b8960ee0
# good: [2750a70aa8b6e39a3413f43aecc3b0188375892f] source sha:296125b0bf28af9ec6f0ab1459b392e26ed3eb3f
git bisect good 2750a70aa8b6e39a3413f43aecc3b0188375892f
# bad: [3d00dc1b12b3c7ada35b18689e20262dd76b5fea] source sha:f19044f9c4adfa2adb303b2ff871706dc6e32532
git bisect bad 3d00dc1b12b3c7ada35b18689e20262dd76b5fea
# bad: [b91bdd5d67f85c3dd596d806426fff5597a25105] source sha:5e7564dc6917d65d8b5f30534b78c1fe58cf4463
git bisect bad b91bdd5d67f85c3dd596d806426fff5597a25105
# bad: [c8fe3a9e8934e2672f7f56b88e20a2e99c880cbe] source sha:05cd178535619d7cfecc15c059a92c2006f9282d
git bisect bad c8fe3a9e8934e2672f7f56b88e20a2e99c880cbe
# good: [b25068dae81afa64bb47aa67ba7afe2bfb15a541] source sha:b5ad72bbfca85946e352b56d9d2ee5eb71cd2132
git bisect good b25068dae81afa64bb47aa67ba7afe2bfb15a541
# good: [a0fa0902ce30376c4283d350ff47eab6391e375b] source sha:b14092052f484d6771b7cd212e33dbfc70702410
git bisect good a0fa0902ce30376c4283d350ff47eab6391e375b
# good: [27edbb40a16d47b59419d2000a9ed7d693b44e12] source sha:344dc6939c45552dc162ea8b3f892e2ae4998d64
git bisect good 27edbb40a16d47b59419d2000a9ed7d693b44e12
# bad: [13367cfc4487fe46b952c67eb374d9f58037df4f] source sha:b2179939dea723ea8695018b03903b9e85121771
git bisect bad 13367cfc4487fe46b952c67eb374d9f58037df4f
# good: [0b783b2ed47ab866a9e3b5240595f4c43addea9a] source sha:bb157523310eb237dc16818f24df58d110242367
git bisect good 0b783b2ed47ab866a9e3b5240595f4c43addea9a
# bad: [8c6517c7f8110160d9f06062f4b2e57dc03cbcbb] source sha:18260a0d9a381a105ffb032ee8f1050c77062102
git bisect bad 8c6517c7f8110160d9f06062f4b2e57dc03cbcbb
# first bad commit: [8c6517c7f8110160d9f06062f4b2e57dc03cbcbb] source sha:18260a0d9a381a105ffb032ee8f1050c77062102