The self-hosted runner: finestra lost communication with the server. Verify the machine is running and has a healthy network connection. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

buildx failed with: ERROR: failed to solve: process "/bin/sh -c cd /usr/src/openssl && ./Configure no-afalgeng no-async no-autoerrinit no-capieng no-cmp no-cms no-comp no-ct no-dgram no-docs no-fips-securitychecks no-gost no-http no-multiblock no-nextprotoneg no-ocsp no-rfc3779 no-sock no-srp no-srtp no-ssl-trace no-tests no-quic no-ts no-ui-console no-uplink no-tls no-dtls no-bf no-cast no-chacha no-cmac no-des no-dh no-dsa no-ecdh no-ecdsa no-idea no-md4 no-mdc2 no-ocb no-poly1305 no-rc2 no-rc4 no-rmd160 no-scrypt no-seed no-siphash no-siv no-sm2 no-sm3 no-whirlpool && make -j $(nproc) && make install_sw" did not complete successfully: exit code: 2

buildx failed with: ERROR: failed to solve: process "/bin/sh -c git clone --depth 1 --branch 4.2.0 https://github.com/wg/wrk.git /usr/local/wrk && cd /usr/local/wrk && make -j $(nproc)" did not complete successfully: exit code: 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2