[INFO] fetching crate sbus 0.2.2...
[INFO] checking sbus-0.2.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate sbus 0.2.2 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate sbus 0.2.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sbus 0.2.2
[INFO] finished tweaking crates.io crate sbus 0.2.2
[INFO] tweaked toml for crates.io crate sbus 0.2.2 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2c3b6f897feb698b63d7435e35978fe6bf41a5f9c8ed7369d5b50a2fdb4b1a6
[INFO] running `Command { std: "docker" "start" "-a" "c2c3b6f897feb698b63d7435e35978fe6bf41a5f9c8ed7369d5b50a2fdb4b1a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2c3b6f897feb698b63d7435e35978fe6bf41a5f9c8ed7369d5b50a2fdb4b1a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c3b6f897feb698b63d7435e35978fe6bf41a5f9c8ed7369d5b50a2fdb4b1a6", kill_on_drop: false }`
[INFO] [stdout] c2c3b6f897feb698b63d7435e35978fe6bf41a5f9c8ed7369d5b50a2fdb4b1a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24f40a5ad04cb4806054c6acda7accf325434b1c4284819a8241091181d57fd
[INFO] running `Command { std: "docker" "start" "-a" "d24f40a5ad04cb4806054c6acda7accf325434b1c4284819a8241091181d57fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking sbus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `failsafe`
[INFO] [stdout]   --> src/taranis.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     failsafe: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_lost`
[INFO] [stdout]   --> src/taranis.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     frame_lost: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `failsafe`
[INFO] [stdout]   --> src/taranis.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     failsafe: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_lost`
[INFO] [stdout]   --> src/taranis.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     frame_lost: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "d24f40a5ad04cb4806054c6acda7accf325434b1c4284819a8241091181d57fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24f40a5ad04cb4806054c6acda7accf325434b1c4284819a8241091181d57fd", kill_on_drop: false }`
[INFO] [stdout] d24f40a5ad04cb4806054c6acda7accf325434b1c4284819a8241091181d57fd