[INFO] cloning repository https://github.com/PatrickAulbach/iot-hub-controller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PatrickAulbach/iot-hub-controller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickAulbach%2Fiot-hub-controller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickAulbach%2Fiot-hub-controller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28d74bc2083174f5fc2b1332f473de0a6595ca35
[INFO] checking PatrickAulbach/iot-hub-controller against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickAulbach%2Fiot-hub-controller" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PatrickAulbach/iot-hub-controller on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PatrickAulbach/iot-hub-controller
[INFO] finished tweaking git repo https://github.com/PatrickAulbach/iot-hub-controller
[INFO] tweaked toml for git repo https://github.com/PatrickAulbach/iot-hub-controller written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/PatrickAulbach/iot-hub-controller already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7330dc823714dd79dd390e9631858c2c8d164e914b44ff4f12cc2ddc6c2902de
[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" "7330dc823714dd79dd390e9631858c2c8d164e914b44ff4f12cc2ddc6c2902de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7330dc823714dd79dd390e9631858c2c8d164e914b44ff4f12cc2ddc6c2902de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7330dc823714dd79dd390e9631858c2c8d164e914b44ff4f12cc2ddc6c2902de", kill_on_drop: false }`
[INFO] [stdout] 7330dc823714dd79dd390e9631858c2c8d164e914b44ff4f12cc2ddc6c2902de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--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] 0a911255719ef60c83968135e77c28cd3b21be6fdc980e9f5c66c0f376c5b6f2
[INFO] running `Command { std: "docker" "start" "-a" "0a911255719ef60c83968135e77c28cd3b21be6fdc980e9f5c66c0f376c5b6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling cc v1.0.62
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.3.1
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[INFO] [stderr]     Checking tracing-futures v0.2.4
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[INFO] [stderr]     Checking mqtt-protocol v0.9.0
[INFO] [stderr]     Checking tokio-native-tls v0.2.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking azure_iot_sdk v0.5.0
[INFO] [stderr]     Checking iot-hub-controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/IotHubClient/client_factory.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut client =
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing local data `config.device_id`
[INFO] [stdout]   --> src/IotHubClient/client_factory.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |             IoTHubClient::<MqttTransport>::new(&config.host_name, &config.device_id, token_source).await;
[INFO] [stdout]    |                                                                   ----------------- `config.device_id` is borrowed here
[INFO] [stdout] 16 | 
[INFO] [stdout] 17 |         return client;
[INFO] [stdout]    |                ^^^^^^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     loop {
[INFO] [stdout] 29 | |         println!("In the loop");
[INFO] [stdout] 30 | |         interval.tick().await;
[INFO] [stdout] 31 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         count += 1;
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 41 | 
[INFO] [stdout] 42 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/IotHubClient/client_factory.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut client =
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing local data `config.device_id`
[INFO] [stdout]   --> src/IotHubClient/client_factory.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |             IoTHubClient::<MqttTransport>::new(&config.host_name, &config.device_id, token_source).await;
[INFO] [stdout]    |                                                                   ----------------- `config.device_id` is borrowed here
[INFO] [stdout] 16 | 
[INFO] [stdout] 17 |         return client;
[INFO] [stdout]    |                ^^^^^^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     loop {
[INFO] [stdout] 29 | |         println!("In the loop");
[INFO] [stdout] 30 | |         interval.tick().await;
[INFO] [stdout] 31 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         count += 1;
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 41 | 
[INFO] [stdout] 42 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iot-hub-controller`
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a911255719ef60c83968135e77c28cd3b21be6fdc980e9f5c66c0f376c5b6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a911255719ef60c83968135e77c28cd3b21be6fdc980e9f5c66c0f376c5b6f2", kill_on_drop: false }`
[INFO] [stdout] 0a911255719ef60c83968135e77c28cd3b21be6fdc980e9f5c66c0f376c5b6f2