[INFO] cloning repository https://github.com/mads256h/connecting-dots-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mads256h/connecting-dots-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmads256h%2Fconnecting-dots-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmads256h%2Fconnecting-dots-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f130f35ebf47659bf33969656d1fa1e8cb2080d
[INFO] checking mads256h/connecting-dots-rs against da86f4d0726be475afbbffe40cb2f65741c51ad3 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmads256h%2Fconnecting-dots-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mads256h/connecting-dots-rs
[INFO] finished tweaking git repo https://github.com/mads256h/connecting-dots-rs
[INFO] tweaked toml for git repo https://github.com/mads256h/connecting-dots-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mads256h/connecting-dots-rs on toolchain da86f4d0726be475afbbffe40cb2f65741c51ad3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mads256h/connecting-dots-rs 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" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.23.9
[INFO] [stderr]   Downloaded libpulse-sys v1.23.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9
[INFO] running `Command { std: "docker" "start" "eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9", 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" "eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9" "/opt/rustwide/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9", 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" "eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9" "/opt/rustwide/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.49
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[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]     Checking rand_core v0.9.3
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[INFO] [stderr]     Checking connecting-dots-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]   --> src/volume_providers/pulse.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct PulseAudioVolumeProvider {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 19 |     main_loop: Rc<RefCell<Mainloop>>,
[INFO] [stdout] 20 |     context: Rc<RefCell<Context>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]   --> src/volume_providers/pulse.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct PulseAudioVolumeProvider {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 19 |     main_loop: Rc<RefCell<Mainloop>>,
[INFO] [stdout] 20 |     context: Rc<RefCell<Context>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: naga v27.0.3, wgpu v27.0.1, wgpu-core v27.0.3, wgpu-hal v27.0.4, winit v0.30.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9", kill_on_drop: false }`
[INFO] [stdout] eb4bf21db24dca74b2e7d3db585b74a70ec6ced55c95ecec46b87ddf2e73a2b9