[INFO] cloning repository https://github.com/mustacean/learning_kafka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mustacean/learning_kafka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmustacean%2Flearning_kafka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmustacean%2Flearning_kafka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 112011f2010bc437fed1f20dd22ee8cc428f6801
[INFO] testing mustacean/learning_kafka against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmustacean%2Flearning_kafka" "/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/mustacean/learning_kafka 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/mustacean/learning_kafka
[INFO] finished tweaking git repo https://github.com/mustacean/learning_kafka
[INFO] tweaked toml for git repo https://github.com/mustacean/learning_kafka written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mustacean/learning_kafka 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 649b68b408ab79ffa9ccc24e29ac10d414dd1f4874b0634081b73fb6875a28aa
[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" "649b68b408ab79ffa9ccc24e29ac10d414dd1f4874b0634081b73fb6875a28aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "649b68b408ab79ffa9ccc24e29ac10d414dd1f4874b0634081b73fb6875a28aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649b68b408ab79ffa9ccc24e29ac10d414dd1f4874b0634081b73fb6875a28aa", kill_on_drop: false }`
[INFO] [stdout] 649b68b408ab79ffa9ccc24e29ac10d414dd1f4874b0634081b73fb6875a28aa
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2a2defe33d39e78b20d03212ed66c2e9847359d750be9d3e71f3a6ad2130d14
[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" "c2a2defe33d39e78b20d03212ed66c2e9847359d750be9d3e71f3a6ad2130d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling ref_slice v1.2.0
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling kafka v0.8.0
[INFO] [stderr]    Compiling kafkast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `conf`
[INFO] [stdout]   --> src/service.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     conf: KafkaConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `producer`
[INFO] [stdout]   --> src/service.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     producer: kafka::producer::Producer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.95s
[INFO] running `Command { std: "docker" "inspect" "c2a2defe33d39e78b20d03212ed66c2e9847359d750be9d3e71f3a6ad2130d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a2defe33d39e78b20d03212ed66c2e9847359d750be9d3e71f3a6ad2130d14", kill_on_drop: false }`
[INFO] [stdout] c2a2defe33d39e78b20d03212ed66c2e9847359d750be9d3e71f3a6ad2130d14
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bcaae66c094495f0deb03721df103abefaa3a3f66e6ee6d4533395e44726b16
[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" "0bcaae66c094495f0deb03721df103abefaa3a3f66e6ee6d4533395e44726b16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kafkast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `conf`
[INFO] [stdout]   --> src/service.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     conf: KafkaConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `producer`
[INFO] [stdout]   --> src/service.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     producer: kafka::producer::Producer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "0bcaae66c094495f0deb03721df103abefaa3a3f66e6ee6d4533395e44726b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcaae66c094495f0deb03721df103abefaa3a3f66e6ee6d4533395e44726b16", kill_on_drop: false }`
[INFO] [stdout] 0bcaae66c094495f0deb03721df103abefaa3a3f66e6ee6d4533395e44726b16
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1d58bcf4efab97fd0e98d991b29932c54847e70dd84c34258fe3d968e4b75ce
[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" "b1d58bcf4efab97fd0e98d991b29932c54847e70dd84c34258fe3d968e4b75ce", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `conf`
[INFO] [stderr]   --> src/service.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     conf: KafkaConfig,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `producer`
[INFO] [stderr]   --> src/service.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     producer: kafka::producer::Producer,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kafkast-61a661bb4fffd13a
[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" "b1d58bcf4efab97fd0e98d991b29932c54847e70dd84c34258fe3d968e4b75ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d58bcf4efab97fd0e98d991b29932c54847e70dd84c34258fe3d968e4b75ce", kill_on_drop: false }`
[INFO] [stdout] b1d58bcf4efab97fd0e98d991b29932c54847e70dd84c34258fe3d968e4b75ce