[INFO] fetching crate exonum-cli 1.0.0...
[INFO] testing exonum-cli-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate exonum-cli 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate exonum-cli 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-cli 1.0.0
[INFO] finished tweaking crates.io crate exonum-cli 1.0.0
[INFO] tweaked toml for crates.io crate exonum-cli 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aa34cb0ca7622c7c901b7cfa6f6c0ba2b3acea45aacc1f09b16b28c8041559f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1aa34cb0ca7622c7c901b7cfa6f6c0ba2b3acea45aacc1f09b16b28c8041559f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aa34cb0ca7622c7c901b7cfa6f6c0ba2b3acea45aacc1f09b16b28c8041559f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa34cb0ca7622c7c901b7cfa6f6c0ba2b3acea45aacc1f09b16b28c8041559f", kill_on_drop: false }`
[INFO] [stdout] 1aa34cb0ca7622c7c901b7cfa6f6c0ba2b3acea45aacc1f09b16b28c8041559f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 323e47561fa1d8f8d6c881c98c88eb75d329e722b94a6e48919f16a60b6e1ca5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "323e47561fa1d8f8d6c881c98c88eb75d329e722b94a6e48919f16a60b6e1ca5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rpassword v4.0.5
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling exonum-rust-runtime v1.0.0
[INFO] [stderr]    Compiling exonum-node v1.0.0
[INFO] [stderr]    Compiling exonum-supervisor v1.0.0
[INFO] [stderr]    Compiling librocksdb-sys v6.11.4
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling secret-tree v0.2.0
[INFO] [stderr]    Compiling exonum-keys v1.0.0
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="blocking"' --cfg 'feature="default"' --cfg 'feature="dns"' --cfg 'feature="fnv"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="num_cpus"' --cfg 'feature="rt-core"' --cfg 'feature="rt-threaded"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="sync"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=b662401c934efaaf -C extra-filename=-b662401c934efaaf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ae8e0e99d586d290.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-9bab2cd4d16544dd.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-d7bf65b246e4ac9c.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-a367eb310a89d20f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cce9b0dc57fc5a77.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e5604f0874edb5fe.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-3271cb9a206a92d6.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-b1cc9b12d297e7ee.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4883df461f3bebf3.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-8024acad22cac6af.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-d007062ab34e402b.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-f568091877b30548.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-1bd231bccc1051c9.so --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "323e47561fa1d8f8d6c881c98c88eb75d329e722b94a6e48919f16a60b6e1ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323e47561fa1d8f8d6c881c98c88eb75d329e722b94a6e48919f16a60b6e1ca5", kill_on_drop: false }`
[INFO] [stdout] 323e47561fa1d8f8d6c881c98c88eb75d329e722b94a6e48919f16a60b6e1ca5