[INFO] fetching crate snarkos-network 1.1.4...
[INFO] checking snarkos-network-1.1.4 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate snarkos-network 1.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate snarkos-network 1.1.4 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snarkos-network 1.1.4
[INFO] finished tweaking crates.io crate snarkos-network 1.1.4
[INFO] tweaked toml for crates.io crate snarkos-network 1.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc684a5b2b2e894fbe28c1ddf1043ad8dda47b506d243645fd6dec4d7322c097
[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" "bc684a5b2b2e894fbe28c1ddf1043ad8dda47b506d243645fd6dec4d7322c097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc684a5b2b2e894fbe28c1ddf1043ad8dda47b506d243645fd6dec4d7322c097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc684a5b2b2e894fbe28c1ddf1043ad8dda47b506d243645fd6dec4d7322c097", kill_on_drop: false }`
[INFO] [stdout] bc684a5b2b2e894fbe28c1ddf1043ad8dda47b506d243645fd6dec4d7322c097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f52135681ba67cf6bf862ae03338e93c7589c4e49b85b0bbc191633e1693c26e
[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" "f52135681ba67cf6bf862ae03338e93c7589c4e49b85b0bbc191633e1693c26e", kill_on_drop: false }`
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling librocksdb-sys v6.11.4
[INFO] [stderr]     Checking serial_test v0.4.0
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking tokio v0.2.24
[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 --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="blocking"' --cfg 'feature="default"' --cfg 'feature="dns"' --cfg 'feature="fnv"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-std"' --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-named-pipes"' --cfg 'feature="mio-uds"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="process"' --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="test-util"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=1cc6316e2cc74d4b -C extra-filename=-1cc6316e2cc74d4b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-cbac4f3e335ed5e3.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-98477584957c8764.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-bfb2675a63f1c169.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-c2fdc4d6b904841c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-88e83b46113e8454.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-34139ae092ba6df2.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-bdfd6f05a0f92912.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-e9a6024b609734d7.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-7a44dfa0e3fed56b.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-cc563674500d754e.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-e06a7bdc16658b8a.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-ce0ecff3a4f20aa5.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-76e40229b1b82562.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-f44d5e197926e1c9.so --cap-lints allow --cap-lints=forbid` (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] 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" "f52135681ba67cf6bf862ae03338e93c7589c4e49b85b0bbc191633e1693c26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52135681ba67cf6bf862ae03338e93c7589c4e49b85b0bbc191633e1693c26e", kill_on_drop: false }`
[INFO] [stdout] f52135681ba67cf6bf862ae03338e93c7589c4e49b85b0bbc191633e1693c26e