[INFO] fetching crate rust_rpi_4wd_car 0.0.12...
[INFO] checking rust_rpi_4wd_car-0.0.12 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate rust_rpi_4wd_car 0.0.12 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rust_rpi_4wd_car 0.0.12 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-2/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52762bf53b2c1793d433ee7b79e23c4cfcd968223ab9b1dab4ec54f2f322c47
[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" "e52762bf53b2c1793d433ee7b79e23c4cfcd968223ab9b1dab4ec54f2f322c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52762bf53b2c1793d433ee7b79e23c4cfcd968223ab9b1dab4ec54f2f322c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52762bf53b2c1793d433ee7b79e23c4cfcd968223ab9b1dab4ec54f2f322c47", kill_on_drop: false }`
[INFO] [stdout] e52762bf53b2c1793d433ee7b79e23c4cfcd968223ab9b1dab4ec54f2f322c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 692652db33d75d1f579827505b826cf8c2b15d600913f238e3c3fb146a31fdb6
[INFO] running `Command { std: "docker" "start" "-a" "692652db33d75d1f579827505b826cf8c2b15d600913f238e3c3fb146a31fdb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking rppal v0.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking rust_rpi_4wd_car v0.0.12 (/opt/rustwide/workdir)
[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]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.19s
[INFO] running `Command { std: "docker" "inspect" "692652db33d75d1f579827505b826cf8c2b15d600913f238e3c3fb146a31fdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692652db33d75d1f579827505b826cf8c2b15d600913f238e3c3fb146a31fdb6", kill_on_drop: false }`
[INFO] [stdout] 692652db33d75d1f579827505b826cf8c2b15d600913f238e3c3fb146a31fdb6