[INFO] cloning repository https://github.com/rhysfred/skyfan-mcu-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rhysfred/skyfan-mcu-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhysfred%2Fskyfan-mcu-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhysfred%2Fskyfan-mcu-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 891f596c6a579d0f57e1f19d6c3b7fef5e23f38e
[INFO] checking rhysfred/skyfan-mcu-emulator against f10db292a3733b5c67c8da8c7661195ff4b05774 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhysfred%2Fskyfan-mcu-emulator" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rhysfred/skyfan-mcu-emulator
[INFO] finished tweaking git repo https://github.com/rhysfred/skyfan-mcu-emulator
[INFO] tweaked toml for git repo https://github.com/rhysfred/skyfan-mcu-emulator written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rhysfred/skyfan-mcu-emulator on toolchain f10db292a3733b5c67c8da8c7661195ff4b05774
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rhysfred/skyfan-mcu-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98
[INFO] running `Command { std: "docker" "start" "49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/protocol/auto_responder.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AutoResponder {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `describe_dp` is never used
[INFO] [stdout]    --> src/protocol/datapoint.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn describe_dp(dpid: u8, dp_type: u8, value: u32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PortList` is never constructed
[INFO] [stdout]   --> src/serial_worker.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum FromWorker {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     PortList(Vec<String>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `describe_dp` is never used
[INFO] [stdout]    --> src/protocol/datapoint.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn describe_dp(dpid: u8, dp_type: u8, value: u32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PortList` is never constructed
[INFO] [stdout]   --> src/serial_worker.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum FromWorker {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     PortList(Vec<String>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.83s
[INFO] running `Command { std: "docker" "inspect" "49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98", kill_on_drop: false }`
[INFO] [stdout] 49abd09229c342c24e1ba5eb4257b08dbe67ef1583d6b12f7401e6f076879b98