Building the LXD snap (https://github.com/lxc/lxd-pkg-snap), which uses prepare, build and install scriplets in several of its parts, with the latest Snapcraft I'm seeing a lot of duplicate deprecation notices. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. DEPRECATED: The 'build' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn8 for more information. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. DEPRECATED: The 'prepare' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn7 for more information. DEPRECATED: The 'prepare' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn7 for more information. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. DEPRECATED: The 'prepare' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn7 for more information. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. DEPRECATED: The 'prepare' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn7 for more information. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. DEPRECATED: The 'build' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn8 for more information. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. DEPRECATED: The 'install' keyword has been replaced by 'override-build' See http://snapcraft.io/docs/deprecation-notices/dn9 for more information. This adds a lot of noise to the build. There are no details on what's causing these particular messages so they are effectively duplicates that aren't very helpful.