[INFO] crate tokio-zmq 0.10.1 is already in cache
[INFO] testing tokio-zmq-0.10.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tokio-zmq 0.10.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tokio-zmq 0.10.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-zmq 0.10.1
[INFO] finished tweaking crates.io crate tokio-zmq 0.10.1
[INFO] tweaked toml for crates.io crate tokio-zmq 0.10.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54d6e0f71d0aa5d1e8d359416d7cfa45c8f19f05ac67f938e7662bc9956698d4
[INFO] running `"docker" "start" "-a" "54d6e0f71d0aa5d1e8d359416d7cfa45c8f19f05ac67f938e7662bc9956698d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling async-zmq-types v0.3.2
[INFO] [stderr]    Compiling async-zmq-derive v0.1.0
[INFO] [stderr]    Compiling tokio-zmq v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `"docker" "inspect" "54d6e0f71d0aa5d1e8d359416d7cfa45c8f19f05ac67f938e7662bc9956698d4"`
[INFO] running `"docker" "rm" "-f" "54d6e0f71d0aa5d1e8d359416d7cfa45c8f19f05ac67f938e7662bc9956698d4"`
[INFO] [stdout] 54d6e0f71d0aa5d1e8d359416d7cfa45c8f19f05ac67f938e7662bc9956698d4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe525d9aef9ff83630e904983f9a378e7929e00abe6ea2a8432b65c5cdf3fd63
[INFO] running `"docker" "start" "-a" "fe525d9aef9ff83630e904983f9a378e7929e00abe6ea2a8432b65c5cdf3fd63"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-zmq v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `tokio-zmq`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name load_balancing_broker --edition=2018 examples/load_balancing_broker.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=dcc7f0d770d16081 -C extra-filename=-dcc7f0d770d16081 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_zmq_derive=/opt/rustwide/target/debug/deps/libasync_zmq_derive-3a70a300f2d21261.so --extern async_zmq_types=/opt/rustwide/target/debug/deps/libasync_zmq_types-af6a08c0264eebcd.rlib --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-9a3338d7c36f23c2.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-a1362c286da84dce.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-03593cff0cd6a2e5.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-cbe4e291e0a0e8bc.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-3d65ebee37a7b6c8.rlib --extern mio=/opt/rustwide/target/debug/deps/libmio-340cc385c38e5b89.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-32ca9d04a8072615.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f406ec90b55276a0.rlib --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-51ce3f900c229019.rlib --extern tokio_reactor=/opt/rustwide/target/debug/deps/libtokio_reactor-25f2ebf35dd1c758.rlib --extern tokio_timer=/opt/rustwide/target/debug/deps/libtokio_timer-bbbbd764e7616c4a.rlib --extern tokio_zmq=/opt/rustwide/target/debug/deps/libtokio_zmq-86426c800596cb41.rlib --extern zmq=/opt/rustwide/target/debug/deps/libzmq-83e51316b165da4e.rlib --cap-lints=warn -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fe525d9aef9ff83630e904983f9a378e7929e00abe6ea2a8432b65c5cdf3fd63"`
[INFO] running `"docker" "rm" "-f" "fe525d9aef9ff83630e904983f9a378e7929e00abe6ea2a8432b65c5cdf3fd63"`
[INFO] [stdout] fe525d9aef9ff83630e904983f9a378e7929e00abe6ea2a8432b65c5cdf3fd63