[INFO] cloning repository https://github.com/roger-russel/learning-rust-zeromq-pubsub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roger-russel/learning-rust-zeromq-pubsub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froger-russel%2Flearning-rust-zeromq-pubsub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froger-russel%2Flearning-rust-zeromq-pubsub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e070bfdd845de2694ed2d34f9af80919b712489e
[INFO] testing roger-russel/learning-rust-zeromq-pubsub against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froger-russel%2Flearning-rust-zeromq-pubsub" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub
[INFO] finished tweaking git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub
[INFO] tweaked toml for git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75fe4a1fedaa78aff7385b5727be9b24e20df5dd047d86301cd9ee3bf747f032
[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" "75fe4a1fedaa78aff7385b5727be9b24e20df5dd047d86301cd9ee3bf747f032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75fe4a1fedaa78aff7385b5727be9b24e20df5dd047d86301cd9ee3bf747f032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fe4a1fedaa78aff7385b5727be9b24e20df5dd047d86301cd9ee3bf747f032", kill_on_drop: false }`
[INFO] [stdout] 75fe4a1fedaa78aff7385b5727be9b24e20df5dd047d86301cd9ee3bf747f032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b56ece44cb206fdf9037bf08aae7f53d22d31861cccc5f2c79b461ce6f636977
[INFO] running `Command { std: "docker" "start" "-a" "b56ece44cb206fdf9037bf08aae7f53d22d31861cccc5f2c79b461ce6f636977", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling learning-rust-zeromq-pubsub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "b56ece44cb206fdf9037bf08aae7f53d22d31861cccc5f2c79b461ce6f636977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56ece44cb206fdf9037bf08aae7f53d22d31861cccc5f2c79b461ce6f636977", kill_on_drop: false }`
[INFO] [stdout] b56ece44cb206fdf9037bf08aae7f53d22d31861cccc5f2c79b461ce6f636977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca9ba55b6a7475a3dcdff5e897840ba926803750a281405b9967b6b8b2dd804d
[INFO] running `Command { std: "docker" "start" "-a" "ca9ba55b6a7475a3dcdff5e897840ba926803750a281405b9967b6b8b2dd804d", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust-zeromq-pubsub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "ca9ba55b6a7475a3dcdff5e897840ba926803750a281405b9967b6b8b2dd804d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9ba55b6a7475a3dcdff5e897840ba926803750a281405b9967b6b8b2dd804d", kill_on_drop: false }`
[INFO] [stdout] ca9ba55b6a7475a3dcdff5e897840ba926803750a281405b9967b6b8b2dd804d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aba5f8f0dce8c37e3e312a672b6fa46eadce0d3efaef3017958862b97e8972aa
[INFO] running `Command { std: "docker" "start" "-a" "aba5f8f0dce8c37e3e312a672b6fa46eadce0d3efaef3017958862b97e8972aa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning_rust_zeromq_pubsub-83dbb0271f001238
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aba5f8f0dce8c37e3e312a672b6fa46eadce0d3efaef3017958862b97e8972aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba5f8f0dce8c37e3e312a672b6fa46eadce0d3efaef3017958862b97e8972aa", kill_on_drop: false }`
[INFO] [stdout] aba5f8f0dce8c37e3e312a672b6fa46eadce0d3efaef3017958862b97e8972aa