~/bibisect-win32-5.3
$ git bisect bad
c7ddc61aa7e634ecf977781aee2f5956a7216f56 is the first bad commit
commit c7ddc61aa7e634ecf977781aee2f5956a7216f56
Author: Norbert Thiebaud <nthiebaud@gmail.com>
Date:   Fri Jul 8 18:34:24 2016 -0700

    source sha:d1c346ba848c54424d6ffa88df7a5ff6a3717430

    source sha:d1c346ba848c54424d6ffa88df7a5ff6a3717430

:040000 040000 263faedbe9963c91f831438daec9c8464bcdb5d3 4dd841e932dc7b8fa5ad2d23dcf1069aa878b048 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
# good: [e6174abf6e484f450bee6e52415805a2b8960ee0] source sha:011128aa9493a680c3e9da6d074f125a90ec455c
git bisect good e6174abf6e484f450bee6e52415805a2b8960ee0
# bad: [0b6d38bba485949b7fce1e73e4a4fadeb9bfa1f9] source sha:0a93639221a9de78eb548cf73a616f74c464d7ce
git bisect bad 0b6d38bba485949b7fce1e73e4a4fadeb9bfa1f9
# good: [db51c31399d7851ae9471db7e1530ba6af11e4be] source sha:2d67042dc2f0672d1aca4784e61eb2a5d0e91e08
git bisect good db51c31399d7851ae9471db7e1530ba6af11e4be
# bad: [8df1b283710db48e714502913de178a0a6774531] source sha:ea6536a42b73c9205c9c69ddc5fecb9ed83c440e
git bisect bad 8df1b283710db48e714502913de178a0a6774531
# good: [604addd8141d8c9dac78e13ab62c0eb34ab193da] source sha:de243e8e134c8780e54ebe8402a8a930962852fc
git bisect good 604addd8141d8c9dac78e13ab62c0eb34ab193da
# bad: [d60ecc73c47b04171130ef503bc477452d5efa1b] source sha:9b7efe43b62a786a812e1ca9e27a2fa7848ce795
git bisect bad d60ecc73c47b04171130ef503bc477452d5efa1b
# bad: [701c7785e5059bcd5c16ddd40cf90ad9bd119613] source sha:694afdbaecfab1f98279fafd1483f3c2734ce788
git bisect bad 701c7785e5059bcd5c16ddd40cf90ad9bd119613
# bad: [f2deb447d7e8106e5d1c63e101c1cf596b62eb44] source sha:c62baccba2d4cdf61a2caca232278b7e6c6348d1
git bisect bad f2deb447d7e8106e5d1c63e101c1cf596b62eb44
# bad: [809ff9ae66c6dc9c981060196f8b757d6352ff08] source sha:7e781aa15ab8c6bb727ccf290db7768bc9ba6245
git bisect bad 809ff9ae66c6dc9c981060196f8b757d6352ff08
# bad: [4a7a810cfab5b59789c0927c1ff96011c0bf76b4] source sha:232dcd258dc03c318e197fe4bfb0080353423760
git bisect bad 4a7a810cfab5b59789c0927c1ff96011c0bf76b4
# bad: [c7ddc61aa7e634ecf977781aee2f5956a7216f56] source sha:d1c346ba848c54424d6ffa88df7a5ff6a3717430
git bisect bad c7ddc61aa7e634ecf977781aee2f5956a7216f56
# first bad commit: [c7ddc61aa7e634ecf977781aee2f5956a7216f56] source sha:d1c346ba848c54424d6ffa88df7a5ff6a3717430