[INFO] fetching crate core_bluetooth 0.1.0...
[INFO] testing core_bluetooth-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate core_bluetooth 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate core_bluetooth 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-56/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded os_str_bytes v2.3.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3bfe10c59e7c118821ecc549e687f2353936e065f63b0b63242a8d29b1904a4
[INFO] running `Command { std: "docker" "start" "-a" "a3bfe10c59e7c118821ecc549e687f2353936e065f63b0b63242a8d29b1904a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3bfe10c59e7c118821ecc549e687f2353936e065f63b0b63242a8d29b1904a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3bfe10c59e7c118821ecc549e687f2353936e065f63b0b63242a8d29b1904a4", kill_on_drop: false }`
[INFO] [stdout] a3bfe10c59e7c118821ecc549e687f2353936e065f63b0b63242a8d29b1904a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f30c0baf603bbfd9c31bb70c9c5a64903abab13fb9c3a9ecb8f2c90e8741e5b
[INFO] running `Command { std: "docker" "start" "-a" "4f30c0baf603bbfd9c31bb70c9c5a64903abab13fb9c3a9ecb8f2c90e8741e5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[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 quote v1.0.3
[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" "4f30c0baf603bbfd9c31bb70c9c5a64903abab13fb9c3a9ecb8f2c90e8741e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f30c0baf603bbfd9c31bb70c9c5a64903abab13fb9c3a9ecb8f2c90e8741e5b", kill_on_drop: false }`
[INFO] [stdout] 4f30c0baf603bbfd9c31bb70c9c5a64903abab13fb9c3a9ecb8f2c90e8741e5b