[INFO] cloning repository https://github.com/Vaelio/rustiwd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vaelio/rustiwd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaelio%2Frustiwd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaelio%2Frustiwd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ef0a479acb8ff8946b52ce4ada88d81038d68bf
[INFO] checking Vaelio/rustiwd/1ef0a479acb8ff8946b52ce4ada88d81038d68bf against master#bfc05d6b072585dfd0c792ec1b8728c08a3511fe for pr-154149
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaelio%2Frustiwd" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Vaelio/rustiwd
[INFO] finished tweaking git repo https://github.com/Vaelio/rustiwd
[INFO] tweaked toml for git repo https://github.com/Vaelio/rustiwd written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vaelio/rustiwd on toolchain bfc05d6b072585dfd0c792ec1b8728c08a3511fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vaelio/rustiwd 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" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded egui-wgpu v0.30.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6df99a36ab07463c64390958354c1513012b1e31ba7413f7af633dd7398ef462
[INFO] running `Command { std: "docker" "start" "-a" "6df99a36ab07463c64390958354c1513012b1e31ba7413f7af633dd7398ef462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df99a36ab07463c64390958354c1513012b1e31ba7413f7af633dd7398ef462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df99a36ab07463c64390958354c1513012b1e31ba7413f7af633dd7398ef462", kill_on_drop: false }`
[INFO] [stdout] 6df99a36ab07463c64390958354c1513012b1e31ba7413f7af633dd7398ef462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bfc05d6b072585dfd0c792ec1b8728c08a3511fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 288cb24519f6449d0ac2521fc160d2fd00fd86b44c8257610f1fcc96cd5c5bd3
[INFO] running `Command { std: "docker" "start" "-a" "288cb24519f6449d0ac2521fc160d2fd00fd86b44c8257610f1fcc96cd5c5bd3", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/iwctl.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let output = Command::new("iwctl")
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IwController` is never constructed
[INFO] [stdout]  --> src/iwctl.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct IwController<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `scan` and `get_networks` are never used
[INFO] [stdout]   --> src/iwctl.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl IwController<'_> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 15 |     fn scan(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_networks(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SignalRange` is never used
[INFO] [stdout]  --> src/networks.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum SignalRange {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NetworkSecurity` is never used
[INFO] [stdout]  --> src/networks.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum NetworkSecurity {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Network` is never constructed
[INFO] [stdout]   --> src/networks.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Network {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DeviceMode` is never used
[INFO] [stdout]  --> src/devices.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum DeviceMode {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Device` is never constructed
[INFO] [stdout]  --> src/devices.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Device {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/devices.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Device {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 15 |     pub fn name(&self) ->&str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/iwctl.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let output = Command::new("iwctl")
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IwController` is never constructed
[INFO] [stdout]  --> src/iwctl.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct IwController<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `scan` and `get_networks` are never used
[INFO] [stdout]   --> src/iwctl.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl IwController<'_> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 15 |     fn scan(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_networks(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SignalRange` is never used
[INFO] [stdout]  --> src/networks.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum SignalRange {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NetworkSecurity` is never used
[INFO] [stdout]  --> src/networks.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum NetworkSecurity {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Network` is never constructed
[INFO] [stdout]   --> src/networks.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Network {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DeviceMode` is never used
[INFO] [stdout]  --> src/devices.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum DeviceMode {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Device` is never constructed
[INFO] [stdout]  --> src/devices.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Device {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/devices.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Device {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 15 |     pub fn name(&self) ->&str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.30s
[INFO] running `Command { std: "docker" "inspect" "288cb24519f6449d0ac2521fc160d2fd00fd86b44c8257610f1fcc96cd5c5bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288cb24519f6449d0ac2521fc160d2fd00fd86b44c8257610f1fcc96cd5c5bd3", kill_on_drop: false }`
[INFO] [stdout] 288cb24519f6449d0ac2521fc160d2fd00fd86b44c8257610f1fcc96cd5c5bd3