commit 11c557170f6193e1ffb30406daa6b862e85d7754
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Mar 6 04:37:09 2018 +0900

    Introduce FailedToExtractError. Fix spec. Add DNS test mock.

commit 8ff4c191ca215608747866fca590bbcb53a4b0c4
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Mar 6 03:33:54 2018 +0900

    Add changelog

commit 69d1fd7b4e289f722f6d84622cb44ec505161973
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Mar 6 03:15:42 2018 +0900

    Add empty line after custom error difinition

commit 484d87e27c127ee6a8d99bcc78eb30517f142e9b
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Mon Mar 5 22:02:50 2018 +0900

    Drop running_or_pending_build_count

commit 22f4e6f83e0c09e899ee2f387af184b880b28124
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Mon Mar 5 21:59:16 2018 +0900

    Fix comment

commit b00f33a7a8f02e6ea3e78caa4db25bd6273dd5e0
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Mon Mar 5 21:57:48 2018 +0900

    Rework to minimize changes