don't know how to build these paths: /nix/store/a7iknjmrkznzm9mcb0cvcq2yp9hbkjk8-container-test-run-data-mesher.drv warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user building '/nix/store/a7iknjmrkznzm9mcb0cvcq2yp9hbkjk8-container-test-run-data-mesher.drv' on nix-store.geninf.io:50051 container-test-run-data-mesher> build01: building a7iknjmrkznzm9mcb0cvcq2yp9hbkjk8-container-test-run-data-mesher.drv container-test-run-data-mesher> additionally exposed symbols: container-test-run-data-mesher> alpha, beta, gamma, container-test-run-data-mesher> start_all, machines, driver, Machine, wait_for_signal container-test-run-data-mesher> Starting alpha container-test-run-data-mesher> Starting beta container-test-run-data-mesher> Starting gamma container-test-run-data-mesher> ░ Spawning container alpha on /build/tmpph17zg6p/alpha. container-test-run-data-mesher> ░ Spawning container beta on /build/tmpph17zg6p/beta. container-test-run-data-mesher> ░ Spawning container gamma on /build/tmpph17zg6p/gamma. container-test-run-data-mesher> container-test-run-data-mesher> <<< NixOS Stage 2 >>> container-test-run-data-mesher> container-test-run-data-mesher> booting system configuration /nix/store/hr04if8yqnjxhj7dra3vsrb08c6133sg-nixos-system-alpha-test container-test-run-data-mesher> running activation script... container-test-run-data-mesher> setting up /etc... container-test-run-data-mesher> 2: host0@if3: mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 container-test-run-data-mesher> link/ether 32:38:36:97:20:99 brd ff:ff:ff:ff:ff:ff link-netnsid 0 container-test-run-data-mesher> setting up age secrets... container-test-run-data-mesher> starting systemd... container-test-run-data-mesher> systemd 260.5 running in system mode (+PAM +AUDIT -SELINUX +APPARMOR +IMA +IPE +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 +KMOD +LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK -BTF -XKBCOMMON +UTMP +LIBARCHIVE) container-test-run-data-mesher> Detected virtualization systemd-nspawn. container-test-run-data-mesher> Detected architecture arm64. container-test-run-data-mesher> Detected first boot. container-test-run-data-mesher> Initializing machine ID from container UUID. container-test-run-data-mesher> Applying preset policy. container-test-run-data-mesher> Populated /etc with preset unit settings. container-test-run-data-mesher> Queued start job for default target Multi-User System. container-test-run-data-mesher> container-test-run-data-mesher> container-test-run-data-mesher> container-test-run-data-mesher> <<< Welcome to NixOS test (aarch64) - console >>> container-test-run-data-mesher> + systemd-run /bin/sh -c '/nix/store/3l7ygqcc6v0rbi9d4j1m6phi6sz86j98-coreutils-9.11/bin/sleep 999999999 && echo a52fb1d8-eba2-434c-9969-a8b94f9fc0d2' container-test-run-data-mesher> Running as unit: run-p354-i9947013.service; invocation ID: aec9b998feb74ba3a1b8fe4aefbc614d container-test-run-data-mesher> To attach to container alpha run on the same machine that runs the test: container-test-run-data-mesher> sudo nsenter --user --target $(\pgrep -f '^/bin/sh.*a52fb1d8-eba2-434c-9969-a8b94f9fc0d2') --mount --uts --ipc --net --pid --cgroup /bin/sh -c bash container-test-run-data-mesher> container-test-run-data-mesher> To inject external network and continue test, run: container-test-run-data-mesher> sudo /nix/store/q1khrhbn506imjxx7kiqcbihycawa6kl-python3-3.13.15/bin/python3.13 /nix/store/6kasz8qw4mw4szwg29sxyra6pgbwz4zq-test-driver-0.0.1/lib/python3.13/site-packages/test_driver/inject_network.py a52fb1d8-eba2-434c-9969-a8b94f9fc0d2 container-test-run-data-mesher> container-test-run-data-mesher> <<< NixOS Stage 2 >>> container-test-run-data-mesher> container-test-run-data-mesher> booting system configuration /nix/store/kx79jcyzqg0nymbjs66ib09na8i3cy1a-nixos-system-beta-test container-test-run-data-mesher> running activation script... container-test-run-data-mesher> setting up /etc... container-test-run-data-mesher> 2: host0@if4: mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 container-test-run-data-mesher> link/ether 86:57:37:25:54:70 brd ff:ff:ff:ff:ff:ff link-netnsid 0 container-test-run-data-mesher> setting up age secrets... container-test-run-data-mesher> starting systemd... container-test-run-data-mesher> systemd 260.5 running in system mode (+PAM +AUDIT -SELINUX +APPARMOR +IMA +IPE +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 +KMOD +LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK -BTF -XKBCOMMON +UTMP +LIBARCHIVE) container-test-run-data-mesher> Detected virtualization systemd-nspawn. container-test-run-data-mesher> Detected architecture arm64. container-test-run-data-mesher> Detected first boot. container-test-run-data-mesher> Initializing machine ID from container UUID. container-test-run-data-mesher> Applying preset policy. container-test-run-data-mesher> Populated /etc with preset unit settings. container-test-run-data-mesher> Queued start job for default target Multi-User System. container-test-run-data-mesher> container-test-run-data-mesher> container-test-run-data-mesher> container-test-run-data-mesher> <<< Welcome to NixOS test (aarch64) - console >>> container-test-run-data-mesher> + systemd-run /bin/sh -c '/nix/store/3l7ygqcc6v0rbi9d4j1m6phi6sz86j98-coreutils-9.11/bin/sleep 999999999 && echo 69da7388-2cb5-4717-83cc-d4d418d35f16' container-test-run-data-mesher> Running as unit: run-p354-i9947046.service; invocation ID: 9d948902897e48c99f4770f229f041ae container-test-run-data-mesher> To attach to container beta run on the same machine that runs the test: container-test-run-data-mesher> sudo nsenter --user --target $(\pgrep -f '^/bin/sh.*69da7388-2cb5-4717-83cc-d4d418d35f16') --mount --uts --ipc --net --pid --cgroup /bin/sh -c bash container-test-run-data-mesher> container-test-run-data-mesher> To inject external network and continue test, run: container-test-run-data-mesher> sudo /nix/store/q1khrhbn506imjxx7kiqcbihycawa6kl-python3-3.13.15/bin/python3.13 /nix/store/6kasz8qw4mw4szwg29sxyra6pgbwz4zq-test-driver-0.0.1/lib/python3.13/site-packages/test_driver/inject_network.py 69da7388-2cb5-4717-83cc-d4d418d35f16 container-test-run-data-mesher> container-test-run-data-mesher> <<< NixOS Stage 2 >>> container-test-run-data-mesher> container-test-run-data-mesher> booting system configuration /nix/store/bilh8hq3m9zjml5k8pngsgx2dpzvlxlv-nixos-system-gamma-test container-test-run-data-mesher> running activation script... container-test-run-data-mesher> setting up /etc... container-test-run-data-mesher> 2: host0@if5: mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 container-test-run-data-mesher> link/ether 4e:93:cf:2c:d9:f2 brd ff:ff:ff:ff:ff:ff link-netnsid 0 container-test-run-data-mesher> setting up age secrets... container-test-run-data-mesher> starting systemd... container-test-run-data-mesher> systemd 260.5 running in system mode (+PAM +AUDIT -SELINUX +APPARMOR +IMA +IPE +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 +KMOD +LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK -BTF -XKBCOMMON +UTMP +LIBARCHIVE) container-test-run-data-mesher> Detected virtualization systemd-nspawn. container-test-run-data-mesher> Detected architecture arm64. container-test-run-data-mesher> Detected first boot. container-test-run-data-mesher> Initializing machine ID from container UUID. container-test-run-data-mesher> Applying preset policy. container-test-run-data-mesher> Populated /etc with preset unit settings. container-test-run-data-mesher> Queued start job for default target Multi-User System. container-test-run-data-mesher> container-test-run-data-mesher> container-test-run-data-mesher> container-test-run-data-mesher> <<< Welcome to NixOS test (aarch64) - console >>> container-test-run-data-mesher> + systemd-run /bin/sh -c '/nix/store/3l7ygqcc6v0rbi9d4j1m6phi6sz86j98-coreutils-9.11/bin/sleep 999999999 && echo b123cd2d-8d6a-4de5-990a-7c4c073044e6' container-test-run-data-mesher> Running as unit: run-p353-i9947187.service; invocation ID: 538d5b5fb9ef4200a81ce1dba6d9a305 container-test-run-data-mesher> To attach to container gamma run on the same machine that runs the test: container-test-run-data-mesher> sudo nsenter --user --target $(\pgrep -f '^/bin/sh.*b123cd2d-8d6a-4de5-990a-7c4c073044e6') --mount --uts --ipc --net --pid --cgroup /bin/sh -c bash container-test-run-data-mesher> container-test-run-data-mesher> To inject external network and continue test, run: container-test-run-data-mesher> sudo /nix/store/q1khrhbn506imjxx7kiqcbihycawa6kl-python3-3.13.15/bin/python3.13 /nix/store/6kasz8qw4mw4szwg29sxyra6pgbwz4zq-test-driver-0.0.1/lib/python3.13/site-packages/test_driver/inject_network.py b123cd2d-8d6a-4de5-990a-7c4c073044e6 container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + systemctl --no-pager show data-mesher.service container-test-run-data-mesher> + echo -n 'hello world' container-test-run-data-mesher> alpha: waiting for success: data-mesher file update /tmp/test_file --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --url http://[::1]:7331 --key /nix/store/xysmjnpbvgzv55l8s8ixr5y3ih9fz7qc-admin.key container-test-run-data-mesher> + data-mesher file update /tmp/test_file --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --url 'http://[::1]:7331' --key /nix/store/xysmjnpbvgzv55l8s8ixr5y3ih9fz7qc-admin.key container-test-run-data-mesher> (finished: waiting for success: data-mesher file update /tmp/test_file --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --url http://[::1]:7331 --key /nix/store/xysmjnpbvgzv55l8s8ixr5y3ih9fz7qc-admin.key, in 0.05 seconds) container-test-run-data-mesher> alpha: waiting for success: test -f /var/lib/data-mesher/files/home/test_file && grep -q 'hello world' /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + grep -q 'hello world' /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> (finished: waiting for success: test -f /var/lib/data-mesher/files/home/test_file && grep -q 'hello world' /var/lib/data-mesher/files/home/test_file, in 0.01 seconds) container-test-run-data-mesher> beta: waiting for success: test -f /var/lib/data-mesher/files/home/test_file && grep -q 'hello world' /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + grep -q 'hello world' /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> (finished: waiting for success: test -f /var/lib/data-mesher/files/home/test_file && grep -q 'hello world' /var/lib/data-mesher/files/home/test_file, in 10.08 seconds) container-test-run-data-mesher> gamma: waiting for success: test -f /var/lib/data-mesher/files/home/test_file && grep -q 'hello world' /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + grep -q 'hello world' /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> (finished: waiting for success: test -f /var/lib/data-mesher/files/home/test_file && grep -q 'hello world' /var/lib/data-mesher/files/home/test_file, in 0.01 seconds) container-test-run-data-mesher> beta: waiting for success: data-mesher file delete test_file --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --url http://[::1]:7331 --key /nix/store/xysmjnpbvgzv55l8s8ixr5y3ih9fz7qc-admin.key container-test-run-data-mesher> + data-mesher file delete test_file --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --url 'http://[::1]:7331' --key /nix/store/xysmjnpbvgzv55l8s8ixr5y3ih9fz7qc-admin.key container-test-run-data-mesher> (finished: waiting for success: data-mesher file delete test_file --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --url http://[::1]:7331 --key /nix/store/xysmjnpbvgzv55l8s8ixr5y3ih9fz7qc-admin.key, in 0.14 seconds) container-test-run-data-mesher> alpha: waiting for success: test ! -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> (finished: waiting for success: test ! -f /var/lib/data-mesher/files/home/test_file, in 9.08 seconds) container-test-run-data-mesher> beta: waiting for success: test ! -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> (finished: waiting for success: test ! -f /var/lib/data-mesher/files/home/test_file, in 0.01 seconds) container-test-run-data-mesher> gamma: waiting for success: test ! -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> + test '!' -f /var/lib/data-mesher/files/home/test_file container-test-run-data-mesher> (finished: waiting for success: test ! -f /var/lib/data-mesher/files/home/test_file, in 0.01 seconds) container-test-run-data-mesher> + cat /nix/store/im2ir84mb0s5522gv9qa54iazfw5cn1d-data-mesher-node-identity_identity.pub container-test-run-data-mesher> + echo -n namespace_data container-test-run-data-mesher> alpha: waiting for success: data-mesher file update /tmp/ns_file --name 'test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY' --url http://[::1]:7331 --key /run/secrets/data-mesher-node-identity/identity.key --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --cert /run/secrets/data-mesher-node-identity/identity.cert container-test-run-data-mesher> + data-mesher file update /tmp/ns_file --name test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY --url 'http://[::1]:7331' --key /run/secrets/data-mesher-node-identity/identity.key --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --cert /run/secrets/data-mesher-node-identity/identity.cert container-test-run-data-mesher> (finished: waiting for success: data-mesher file update /tmp/ns_file --name 'test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY' --url http://[::1]:7331 --key /run/secrets/data-mesher-node-identity/identity.key --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub --cert /run/secrets/data-mesher-node-identity/identity.cert, in 0.35 seconds) container-test-run-data-mesher> alpha: waiting for success: test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY && grep -q 'namespace_data' /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + grep -q namespace_data /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> (finished: waiting for success: test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY && grep -q 'namespace_data' /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY, in 0.01 seconds) container-test-run-data-mesher> beta: waiting for success: test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY && grep -q 'namespace_data' /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + grep -q namespace_data /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> (finished: waiting for success: test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY && grep -q 'namespace_data' /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY, in 5.05 seconds) container-test-run-data-mesher> gamma: waiting for success: test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY && grep -q 'namespace_data' /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> + grep -q namespace_data /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> (finished: waiting for success: test -f /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY && grep -q 'namespace_data' /var/lib/data-mesher/files/home/test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY, in 0.01 seconds) container-test-run-data-mesher> + echo -n no_cert container-test-run-data-mesher> + data-mesher file update /tmp/ns_nocert --name test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY --url 'http://[::1]:7331' --key /run/secrets/data-mesher-node-identity/identity.key --network-id /nix/store/yc45p0zv5jj2k6rxkw1cm7zk9scch5vw-data-mesher-network_network.pub container-test-run-data-mesher> Error: failed to update file: 403 Forbidden, signer 3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY= is not authorized for this file test_ns/3STA98CA029IR0wCaIxtZXLwHVSbLExwJRDPdQCURIY container-test-run-data-mesher> Container alpha terminated by signal KILL. container-test-run-data-mesher> Container beta terminated by signal KILL. container-test-run-data-mesher> Container gamma terminated by signal KILL.