buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -e\necho \"::group::Build Python 3.12\"\n( set -euxo pipefail\n\n cd /tmp\n dnf install -y openssl-devel bzip2-devel xz-devel libffi-devel \\\n libuuid-devel gdbm-devel readline-devel tk-devel sqlite-devel\n VER=\"3.12\"\n FTP=\"https://www.python.org/ftp/python\"\n # determine the latest patch version\n ver=$(curl -s $FTP/ | sed -En 's/^.+href=\"('${VER/./\\\\.}'\\..+)\\/\".+$/\\1/p' | sort -Vr | head -1)\n curl -sL $FTP/$ver/Python-$ver.tgz | tar -xz\n cd Python*\n # https://docs.python.org/3/using/configure.html\n ./configure -q \\\n --prefix=/usr/local \\\n --enable-optimizations \\\n --with-lto=full \\\n --with-computed-gotos\n make -sj$(nproc)\n # installs into (empty) dirs under /usr/local: /bin, /lib, /share/man/man1\n make -s altinstall\n alternatives --install /usr/local/bin/python3 python3 /usr/local/bin/python$VER 1\n alternatives --install /usr/local/bin/python python /usr/local/bin/python3 1\n # must copy new symlinks in /etc/alternatives into the final image\n alternatives --list\n hash -r\n python3 -VV\n python3 -m pip install -U --no-cache-dir --root-user-action=ignore pip\n which pip$VER pip3 pip || true\n pip3 -V\n)\necho \"::endgroup::\"\n" did not complete successfully: exit code: 127

buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -e\necho \"::group::Build Python 3.12\"\n( set -euxo pipefail\n\n cd /tmp\n dnf install -y openssl-devel bzip2-devel xz-devel libffi-devel \\\n libuuid-devel gdbm-devel readline-devel tk-devel sqlite-devel\n VER=\"3.12\"\n FTP=\"https://www.python.org/ftp/python\"\n # determine the latest patch version\n ver=$(curl -s $FTP/ | sed -En 's/^.+href=\"('${VER/./\\\\.}'\\..+)\\/\".+$/\\1/p' | sort -Vr | head -1)\n curl -sL $FTP/$ver/Python-$ver.tgz | tar -xz\n cd Python*\n # https://docs.python.org/3/using/configure.html\n ./configure -q \\\n --prefix=/usr/local \\\n --enable-optimizations \\\n --with-lto=full \\\n --with-computed-gotos\n make -sj$(nproc)\n # installs into (empty) dirs under /usr/local: /bin, /lib, /share/man/man1\n make -s altinstall\n alternatives --install /usr/local/bin/python3 python3 /usr/local/bin/python$VER 1\n alternatives --install /usr/local/bin/python python /usr/local/bin/python3 1\n # must copy new symlinks in /etc/alternatives into the final image\n alternatives --list\n hash -r\n python3 -VV\n python3 -m pip install -U --no-cache-dir --root-user-action=ignore pip\n which pip$VER pip3 pip || true\n pip3 -V\n)\necho \"::endgroup::\"\n" did not complete successfully: exit code: 127

Attestations are only supported by buildx >= 0.10.0; the inputs 'attests', 'provenance' and 'sbom' are ignored.