[INFO] fetching crate rust_rpi_4wd_car 0.0.12...
[INFO] checking rust_rpi_4wd_car-0.0.12 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate rust_rpi_4wd_car 0.0.12 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate rust_rpi_4wd_car 0.0.12 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_rpi_4wd_car 0.0.12
[INFO] finished tweaking crates.io crate rust_rpi_4wd_car 0.0.12
[INFO] tweaked toml for crates.io crate rust_rpi_4wd_car 0.0.12 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate rust_rpi_4wd_car 0.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1e9e85fdcbc35ed616307bc6fc40038c922036da85d73935cae87639a0078a
[INFO] running `Command { std: "docker" "start" "-a" "5d1e9e85fdcbc35ed616307bc6fc40038c922036da85d73935cae87639a0078a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1e9e85fdcbc35ed616307bc6fc40038c922036da85d73935cae87639a0078a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1e9e85fdcbc35ed616307bc6fc40038c922036da85d73935cae87639a0078a", kill_on_drop: false }`
[INFO] [stdout] 5d1e9e85fdcbc35ed616307bc6fc40038c922036da85d73935cae87639a0078a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9cc736336454fa780b3bd9cdbe4727f0e118e31855e682a1ae4d57c3ec94d77
[INFO] running `Command { std: "docker" "start" "-a" "a9cc736336454fa780b3bd9cdbe4727f0e118e31855e682a1ae4d57c3ec94d77", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking rppal v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking rust_rpi_4wd_car v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ir_left`
[INFO] [stdout]   --> src/sensors.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ir_left: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ir_right`
[INFO] [stdout]   --> src/sensors.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ir_right: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_left1`
[INFO] [stdout]   --> src/sensors.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     track_left1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_left2`
[INFO] [stdout]   --> src/sensors.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     track_left2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_right1`
[INFO] [stdout]   --> src/sensors.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     track_right1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_right2`
[INFO] [stdout]   --> src/sensors.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     track_right2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `echo`
[INFO] [stdout]    --> src/sensors.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 379 |     echo: InputPin,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/sensors.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn new() -> Rr4cResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ir_left`
[INFO] [stdout]   --> src/sensors.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ir_left: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ir_right`
[INFO] [stdout]   --> src/sensors.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ir_right: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_left1`
[INFO] [stdout]   --> src/sensors.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     track_left1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_left2`
[INFO] [stdout]   --> src/sensors.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     track_left2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_right1`
[INFO] [stdout]   --> src/sensors.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     track_right1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `track_right2`
[INFO] [stdout]   --> src/sensors.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     track_right2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `echo`
[INFO] [stdout]    --> src/sensors.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 379 |     echo: InputPin,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/sensors.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn new() -> Rr4cResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "a9cc736336454fa780b3bd9cdbe4727f0e118e31855e682a1ae4d57c3ec94d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cc736336454fa780b3bd9cdbe4727f0e118e31855e682a1ae4d57c3ec94d77", kill_on_drop: false }`
[INFO] [stdout] a9cc736336454fa780b3bd9cdbe4727f0e118e31855e682a1ae4d57c3ec94d77