[INFO] fetching crate rust_rpi_4wd_car 0.0.12...
[INFO] testing rust_rpi_4wd_car-0.0.12 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rust_rpi_4wd_car 0.0.12 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_rpi_4wd_car 0.0.12 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed7b482d06b210c766d740f17d3b27b5b6f3eb4230f76d25e41afd42de73b89f
[INFO] running `Command { std: "docker" "start" "-a" "ed7b482d06b210c766d740f17d3b27b5b6f3eb4230f76d25e41afd42de73b89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7b482d06b210c766d740f17d3b27b5b6f3eb4230f76d25e41afd42de73b89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7b482d06b210c766d740f17d3b27b5b6f3eb4230f76d25e41afd42de73b89f", kill_on_drop: false }`
[INFO] [stdout] ed7b482d06b210c766d740f17d3b27b5b6f3eb4230f76d25e41afd42de73b89f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59f46cb196f79afd26f356bc1692f044359d19d758ad8fc9336052a441cb3701
[INFO] running `Command { std: "docker" "start" "-a" "59f46cb196f79afd26f356bc1692f044359d19d758ad8fc9336052a441cb3701", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling rppal v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling rust_rpi_4wd_car v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ir_left`, `ir_right`, `track_left1`, `track_left2`, `track_right1`, and `track_right2` are never read
[INFO] [stdout]   --> src/sensors.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Sensors {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 56 |     ir_left: InputPin,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     ir_right: InputPin,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     track_left1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     track_left2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     track_right1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     track_right2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sensors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `echo` is never read
[INFO] [stdout]    --> src/sensors.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | pub struct Sonar {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 379 |     echo: InputPin,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Sonar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/sensors.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 385 | impl Sonar {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 386 |     /// Constructor which uses default values for all optional arguments.
[INFO] [stdout] 387 |     pub fn new() -> Rr4cResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "59f46cb196f79afd26f356bc1692f044359d19d758ad8fc9336052a441cb3701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f46cb196f79afd26f356bc1692f044359d19d758ad8fc9336052a441cb3701", kill_on_drop: false }`
[INFO] [stdout] 59f46cb196f79afd26f356bc1692f044359d19d758ad8fc9336052a441cb3701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafc575ee45aaab1037af658004c5564ac981af8e02e0913e598e01744074d61
[INFO] running `Command { std: "docker" "start" "-a" "aafc575ee45aaab1037af658004c5564ac981af8e02e0913e598e01744074d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_rpi_4wd_car v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ir_left`, `ir_right`, `track_left1`, `track_left2`, `track_right1`, and `track_right2` are never read
[INFO] [stdout]   --> src/sensors.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Sensors {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 56 |     ir_left: InputPin,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     ir_right: InputPin,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     track_left1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     track_left2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     track_right1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     track_right2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sensors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `echo` is never read
[INFO] [stdout]    --> src/sensors.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | pub struct Sonar {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 379 |     echo: InputPin,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Sonar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/sensors.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 385 | impl Sonar {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 386 |     /// Constructor which uses default values for all optional arguments.
[INFO] [stdout] 387 |     pub fn new() -> Rr4cResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ir_left`, `ir_right`, `track_left1`, `track_left2`, `track_right1`, and `track_right2` are never read
[INFO] [stdout]   --> src/sensors.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Sensors {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 56 |     ir_left: InputPin,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     ir_right: InputPin,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     track_left1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     track_left2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     track_right1: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     track_right2: InputPin,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sensors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `echo` is never read
[INFO] [stdout]    --> src/sensors.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | pub struct Sonar {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 379 |     echo: InputPin,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Sonar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/sensors.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 385 | impl Sonar {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 386 |     /// Constructor which uses default values for all optional arguments.
[INFO] [stdout] 387 |     pub fn new() -> Rr4cResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "aafc575ee45aaab1037af658004c5564ac981af8e02e0913e598e01744074d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafc575ee45aaab1037af658004c5564ac981af8e02e0913e598e01744074d61", kill_on_drop: false }`
[INFO] [stdout] aafc575ee45aaab1037af658004c5564ac981af8e02e0913e598e01744074d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4eb826c20cba59bc62f2cc14ad4ed4f2def1cd5e6ece3c436c8f2b7169cd462d
[INFO] running `Command { std: "docker" "start" "-a" "4eb826c20cba59bc62f2cc14ad4ed4f2def1cd5e6ece3c436c8f2b7169cd462d", kill_on_drop: false }`
[INFO] [stderr] warning: fields `ir_left`, `ir_right`, `track_left1`, `track_left2`, `track_right1`, and `track_right2` are never read
[INFO] [stderr]   --> src/sensors.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct Sensors {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 56 |     ir_left: InputPin,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     ir_right: InputPin,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     track_left1: InputPin,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 82 |     track_left2: InputPin,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |     track_right1: InputPin,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |     track_right2: InputPin,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Sensors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `echo` is never read
[INFO] [stderr]    --> src/sensors.rs:379:5
[INFO] [stderr]     |
[INFO] [stderr] 371 | pub struct Sonar {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 379 |     echo: InputPin,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Sonar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/sensors.rs:387:12
[INFO] [stderr]     |
[INFO] [stderr] 385 | impl Sonar {
[INFO] [stderr]     | ---------- associated function in this implementation
[INFO] [stderr] 386 |     /// Constructor which uses default values for all optional arguments.
[INFO] [stderr] 387 |     pub fn new() -> Rr4cResult<Self> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_rpi_4wd_car` (lib) generated 3 warnings
[INFO] [stderr] warning: `rust_rpi_4wd_car` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_rpi_4wd_car-58f834dd076c38c5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_rpi_4wd_car
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/motors.rs - motors::Motors::movement (line 160) - compile ... ok
[INFO] [stdout] test src/hids.rs - hids::Hids::set_blue (line 192) ... ok
[INFO] [stdout] test src/hids.rs - hids::Hids::set_red (line 286) ... ok
[INFO] [stdout] test src/hids.rs - hids::Hids::set_green (line 246) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4eb826c20cba59bc62f2cc14ad4ed4f2def1cd5e6ece3c436c8f2b7169cd462d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb826c20cba59bc62f2cc14ad4ed4f2def1cd5e6ece3c436c8f2b7169cd462d", kill_on_drop: false }`
[INFO] [stdout] 4eb826c20cba59bc62f2cc14ad4ed4f2def1cd5e6ece3c436c8f2b7169cd462d
