[INFO] fetching crate hs-hackathon-car 0.1.4...
[INFO] checking hs-hackathon-car-0.1.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate hs-hackathon-car 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate hs-hackathon-car 0.1.4
[INFO] finished tweaking crates.io crate hs-hackathon-car 0.1.4
[INFO] tweaked toml for crates.io crate hs-hackathon-car 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hs-hackathon-car 0.1.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 128 packages to latest compatible versions
[INFO] [stderr]       Adding i2cdev v0.3.2 (available: v0.6.1)
[INFO] [stderr]       Adding linux-embedded-hal v0.3.2 (available: v0.4.0)
[INFO] [stderr]       Adding pwm-pca9685 v0.2.0 (available: v1.0.0)
[INFO] [stderr]       Adding rppal v0.11.3 (available: v0.22.1)
[INFO] [stderr]       Adding sysfs_gpio v0.5.4 (available: v0.6.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9412b4101a25862193c18dc6f4fa77b0330a8cdc64b363e1932a78e92c19614a
[INFO] running `Command { std: "docker" "start" "-a" "9412b4101a25862193c18dc6f4fa77b0330a8cdc64b363e1932a78e92c19614a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9412b4101a25862193c18dc6f4fa77b0330a8cdc64b363e1932a78e92c19614a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9412b4101a25862193c18dc6f4fa77b0330a8cdc64b363e1932a78e92c19614a", kill_on_drop: false }`
[INFO] [stdout] 9412b4101a25862193c18dc6f4fa77b0330a8cdc64b363e1932a78e92c19614a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6668ed89f3351d456659e9e63fc77e71bc77639132b913ea6e43f950beccc9d7
[INFO] running `Command { std: "docker" "start" "-a" "6668ed89f3351d456659e9e63fc77e71bc77639132b913ea6e43f950beccc9d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
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[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking void v1.0.2
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[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking embedded-hal v0.2.7
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[INFO] [stderr]    Compiling syn v2.0.106
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[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]     Checking sysfs_gpio v0.6.2
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[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking linux-embedded-hal v0.3.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking hs-hackathon-car v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Stepper1` and `Stepper2` are never constructed
[INFO] [stdout]   --> src/raw/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Motor {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Stepper1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 22 |     Stepper2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Motor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PositionError` is never constructed
[INFO] [stdout]   --> src/raw/errors.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum MotorError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     PositionError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MotorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ServoError` is never used
[INFO] [stdout]   --> src/raw/errors.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum ServoError {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Stepper1` and `Stepper2` are never constructed
[INFO] [stdout]   --> src/raw/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Motor {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Stepper1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 22 |     Stepper2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Motor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PositionError` is never constructed
[INFO] [stdout]   --> src/raw/errors.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum MotorError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     PositionError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MotorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ServoError` is never used
[INFO] [stdout]   --> src/raw/errors.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum ServoError {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.91s
[INFO] running `Command { std: "docker" "inspect" "6668ed89f3351d456659e9e63fc77e71bc77639132b913ea6e43f950beccc9d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6668ed89f3351d456659e9e63fc77e71bc77639132b913ea6e43f950beccc9d7", kill_on_drop: false }`
[INFO] [stdout] 6668ed89f3351d456659e9e63fc77e71bc77639132b913ea6e43f950beccc9d7