[INFO] updating cached repository JasonVranek/rust_robot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JasonVranek/rust_robot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonVranek/rust_robot" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/JasonVranek/rust_robot"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/JasonVranek/rust_robot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonVranek/rust_robot" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JasonVranek/rust_robot"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JasonVranek/rust_robot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 480c922912d9398a330bc7c2e8561e2146a68192
[INFO] sha for GitHub repo JasonVranek/rust_robot: 480c922912d9398a330bc7c2e8561e2146a68192
[INFO] validating manifest of JasonVranek/rust_robot on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JasonVranek/rust_robot on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JasonVranek/rust_robot
[INFO] finished frobbing JasonVranek/rust_robot
[INFO] frobbed toml for JasonVranek/rust_robot written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/JasonVranek/rust_robot/Cargo.toml
[INFO] started frobbing JasonVranek/rust_robot
[INFO] finished frobbing JasonVranek/rust_robot
[INFO] frobbed toml for JasonVranek/rust_robot written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JasonVranek/rust_robot/Cargo.toml
[INFO] crate JasonVranek/rust_robot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking JasonVranek/rust_robot against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-5/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JasonVranek/rust_robot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9c9b016f82b9d9f11f2380871ef8d09bf4761e318c7a9a949c3b037b0dcfb085
[INFO] running `"docker" "start" "-a" "9c9b016f82b9d9f11f2380871ef8d09bf4761e318c7a9a949c3b037b0dcfb085"`
[INFO] [stderr]     Checking rppal v0.10.0
[INFO] [stderr]     Checking tokio-serde v0.3.0
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking tokio-serde-json v0.2.0
[INFO] [stderr]     Checking robot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ENA`
[INFO] [stderr]  --> src/peripherals/motors.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const ENA: u8 = 18;  //PWM0, Left Motor
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ENB`
[INFO] [stderr]   --> src/peripherals/motors.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const ENB: u8 = 19;  //PWM1, Right Motor
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `L_ENC_YEL`
[INFO] [stderr]   --> src/peripherals/motors.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const L_ENC_YEL: u8 = 20;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `L_ENC_GRE`
[INFO] [stderr]   --> src/peripherals/motors.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const L_ENC_GRE: u8 = 21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `R_ENC_YEL`
[INFO] [stderr]   --> src/peripherals/motors.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const R_ENC_YEL: u8 = 23;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `R_ENC_GRE`
[INFO] [stderr]   --> src/peripherals/motors.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const R_ENC_GRE: u8 = 24;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/peripherals/motors.rs:182:3
[INFO] [stderr]     |
[INFO] [stderr] 182 |         motors.stop();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/peripherals/motors.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/peripherals/motors.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ENA`
[INFO] [stderr]  --> src/peripherals/motors.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const ENA: u8 = 18;  //PWM0, Left Motor
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ENB`
[INFO] [stderr]   --> src/peripherals/motors.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const ENB: u8 = 19;  //PWM1, Right Motor
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `L_ENC_YEL`
[INFO] [stderr]   --> src/peripherals/motors.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const L_ENC_YEL: u8 = 20;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `L_ENC_GRE`
[INFO] [stderr]   --> src/peripherals/motors.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const L_ENC_GRE: u8 = 21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `R_ENC_YEL`
[INFO] [stderr]   --> src/peripherals/motors.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const R_ENC_YEL: u8 = 23;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `R_ENC_GRE`
[INFO] [stderr]   --> src/peripherals/motors.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const R_ENC_GRE: u8 = 24;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `robot::io::tcp_server`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use robot::io::tcp_server;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `robot::controller::Controller`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use robot::controller::Controller;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     motors.stop();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `robot::io::tcp_server`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use robot::io::tcp_server;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `robot::controller::Controller`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use robot::controller::Controller;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     motors.stop();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `"docker" "inspect" "9c9b016f82b9d9f11f2380871ef8d09bf4761e318c7a9a949c3b037b0dcfb085"`
[INFO] running `"docker" "rm" "-f" "9c9b016f82b9d9f11f2380871ef8d09bf4761e318c7a9a949c3b037b0dcfb085"`
[INFO] [stdout] 9c9b016f82b9d9f11f2380871ef8d09bf4761e318c7a9a949c3b037b0dcfb085