[INFO] fetching crate core_bluetooth 0.1.0...
[INFO] testing core_bluetooth-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate core_bluetooth 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate core_bluetooth 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core_bluetooth 0.1.0
[INFO] finished tweaking crates.io crate core_bluetooth 0.1.0
[INFO] tweaked toml for crates.io crate core_bluetooth 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate core_bluetooth 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v2.3.0
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] bd3afb400b1ea53ac3f8460f1d04e18375f7ad1d0671d3883c626772bd29a4a0
[INFO] running `Command { std: "docker" "start" "-a" "bd3afb400b1ea53ac3f8460f1d04e18375f7ad1d0671d3883c626772bd29a4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3afb400b1ea53ac3f8460f1d04e18375f7ad1d0671d3883c626772bd29a4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3afb400b1ea53ac3f8460f1d04e18375f7ad1d0671d3883c626772bd29a4a0", kill_on_drop: false }`
[INFO] [stdout] bd3afb400b1ea53ac3f8460f1d04e18375f7ad1d0671d3883c626772bd29a4a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732262bf1f45a1a51b0bd1cb5ff841319cf2a3fd64cf09a68d51815629823cbe
[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" "732262bf1f45a1a51b0bd1cb5ff841319cf2a3fd64cf09a68d51815629823cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling enumflags2 v0.6.4
[INFO] [stderr]    Compiling core_bluetooth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `id`
[INFO] [stdout]   --> src/central/descriptor.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     id: Uuid,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 | #![deny(dead_code)]
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core_bluetooth` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "732262bf1f45a1a51b0bd1cb5ff841319cf2a3fd64cf09a68d51815629823cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732262bf1f45a1a51b0bd1cb5ff841319cf2a3fd64cf09a68d51815629823cbe", kill_on_drop: false }`
[INFO] [stdout] 732262bf1f45a1a51b0bd1cb5ff841319cf2a3fd64cf09a68d51815629823cbe