[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#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickAulbach%2Fiot-hub-controller" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PatrickAulbach/iot-hub-controller on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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-0/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 984c728a2cf97b692469e44e44d8fb2763f92e792886563fe32c236c729453e1
[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" "984c728a2cf97b692469e44e44d8fb2763f92e792886563fe32c236c729453e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984c728a2cf97b692469e44e44d8fb2763f92e792886563fe32c236c729453e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984c728a2cf97b692469e44e44d8fb2763f92e792886563fe32c236c729453e1", kill_on_drop: false }`
[INFO] [stdout] 984c728a2cf97b692469e44e44d8fb2763f92e792886563fe32c236c729453e1
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ceb3aef10a0fcb635fc6365694d5e6b7dec4ff71a0ddd366f0970b34cfa6ec1
[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" "8ceb3aef10a0fcb635fc6365694d5e6b7dec4ff71a0ddd366f0970b34cfa6ec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling pin-project-internal v1.0.1
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[INFO] [stderr]    Compiling tokio-macros v0.3.1
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[INFO] [stderr]    Compiling async-trait v0.1.41
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[INFO] [stderr]     Checking mqtt-protocol v0.9.0
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[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] 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: could not compile `iot-hub-controller`
[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] 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] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8ceb3aef10a0fcb635fc6365694d5e6b7dec4ff71a0ddd366f0970b34cfa6ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ceb3aef10a0fcb635fc6365694d5e6b7dec4ff71a0ddd366f0970b34cfa6ec1", kill_on_drop: false }`
[INFO] [stdout] 8ceb3aef10a0fcb635fc6365694d5e6b7dec4ff71a0ddd366f0970b34cfa6ec1