>>> x264 7d0ff22e8c96de126be9d3de4952edd6d1b75a8c Downloading
Fetching all references
Could not fetch special ref '7d0ff22e8c96de126be9d3de4952edd6d1b75a8c'; assuming it is not special.
warning: refname '7d0ff22e8c96de126be9d3de4952edd6d1b75a8c' is ambiguous.
Git normally never creates a ref that ends with 40 hex characters
because it will be ignored when you just specify 40-hex. These refs
may be created by mistake. For example,

  git checkout -b $br $(git rev-parse ...)

where "$br" is somehow empty and a 40-hex ref is created. Please
examine these refs and maybe delete them. Turn this message off by
running "git config advice.objectNameWarning false"
ERROR: x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c.tar.gz has wrong sha256 hash:
ERROR: expected: cdae4489e0306938a46429824aa3511e7ec2a43f71fee8b4aa46ceea46d15888
ERROR: got     : 6a07b47253da9248f0fcc3838da59f3ceeeac4109fce54287bb8a56fd453a6c6
ERROR: Incomplete download, or man-in-the-middle (MITM) attack
converted 'http://sources.buildroot.net/x264/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c.tar.gz' (ANSI_X3.4-1968) -> 'http://sources.buildroot.net/x264/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c.tar.gz' (UTF-8)
--2018-04-16 15:32:29--  http://sources.buildroot.net/x264/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c.tar.gz
Resolving sources.buildroot.net (sources.buildroot.net)... 2400:cb00:2048:1::681b:a630, 2400:cb00:2048:1::681b:a730, 104.27.167.48, ...
Connecting to sources.buildroot.net (sources.buildroot.net)|2400:cb00:2048:1::681b:a630|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2018-04-16 15:32:29 ERROR 404: Not Found.

converted 'http://sources.buildroot.net/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c.tar.gz' (ANSI_X3.4-1968) -> 'http://sources.buildroot.net/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c.tar.gz' (UTF-8)
--2018-04-16 15:32:29--  http://sources.buildroot.net/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c.tar.gz
Resolving sources.buildroot.net (sources.buildroot.net)... 2400:cb00:2048:1::681b:a630, 2400:cb00:2048:1::681b:a730, 104.27.167.48, ...
Connecting to sources.buildroot.net (sources.buildroot.net)|2400:cb00:2048:1::681b:a630|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2018-04-16 15:32:29 ERROR 404: Not Found.

package/pkg-generic.mk:133: recipe for target '/home/buildroot/build/instance-0/output/build/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c/.stamp_downloaded' failed
make: *** [/home/buildroot/build/instance-0/output/build/x264-7d0ff22e8c96de126be9d3de4952edd6d1b75a8c/.stamp_downloaded] Error 1
make: Leaving directory '/home/buildroot/build/instance-0/buildroot'