[INFO] cloning repository https://github.com/JasonVranek/rust_robot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JasonVranek/rust_robot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonVranek%2Frust_robot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonVranek%2Frust_robot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 480c922912d9398a330bc7c2e8561e2146a68192
[INFO] checking JasonVranek/rust_robot against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonVranek%2Frust_robot" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JasonVranek/rust_robot on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JasonVranek/rust_robot
[INFO] finished tweaking git repo https://github.com/JasonVranek/rust_robot
[INFO] tweaked toml for git repo https://github.com/JasonVranek/rust_robot written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JasonVranek/rust_robot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72ba8e0dfcfae387f2ec34584a34b29ff9546ce16477341ec5241c2ad5809e1f
[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" "72ba8e0dfcfae387f2ec34584a34b29ff9546ce16477341ec5241c2ad5809e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72ba8e0dfcfae387f2ec34584a34b29ff9546ce16477341ec5241c2ad5809e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ba8e0dfcfae387f2ec34584a34b29ff9546ce16477341ec5241c2ad5809e1f", kill_on_drop: false }`
[INFO] [stdout] 72ba8e0dfcfae387f2ec34584a34b29ff9546ce16477341ec5241c2ad5809e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d5ba242d2200df722a6c1683ee5ab99e4f23c05aec0d7a292084f946ebe5c8
[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" "c3d5ba242d2200df722a6c1683ee5ab99e4f23c05aec0d7a292084f946ebe5c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rppal v0.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking tokio-serde v0.3.0
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking tokio-serde-json v0.2.0
[INFO] [stderr]     Checking robot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/controller/mod.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type AsyncTask = Box<Future<Item = (), Error = ()> + Send>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/peripherals/motors.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/peripherals/motors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/controller/mod.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type AsyncTask = Box<Future<Item = (), Error = ()> + Send>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ENA`
[INFO] [stdout]  --> src/peripherals/motors.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ENA: u8 = 18;  //PWM0, Left Motor
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ENB`
[INFO] [stdout]   --> src/peripherals/motors.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ENB: u8 = 19;  //PWM1, Right Motor
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `L_ENC_YEL`
[INFO] [stdout]   --> src/peripherals/motors.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const L_ENC_YEL: u8 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `L_ENC_GRE`
[INFO] [stdout]   --> src/peripherals/motors.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const L_ENC_GRE: u8 = 21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `R_ENC_YEL`
[INFO] [stdout]   --> src/peripherals/motors.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const R_ENC_YEL: u8 = 23;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `R_ENC_GRE`
[INFO] [stdout]   --> src/peripherals/motors.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const R_ENC_GRE: u8 = 24;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ENA`
[INFO] [stdout]  --> src/peripherals/motors.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ENA: u8 = 18;  //PWM0, Left Motor
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ENB`
[INFO] [stdout]   --> src/peripherals/motors.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ENB: u8 = 19;  //PWM1, Right Motor
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `L_ENC_YEL`
[INFO] [stdout]   --> src/peripherals/motors.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const L_ENC_YEL: u8 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `L_ENC_GRE`
[INFO] [stdout]   --> src/peripherals/motors.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const L_ENC_GRE: u8 = 21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `R_ENC_YEL`
[INFO] [stdout]   --> src/peripherals/motors.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const R_ENC_YEL: u8 = 23;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `R_ENC_GRE`
[INFO] [stdout]   --> src/peripherals/motors.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const R_ENC_GRE: u8 = 24;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/peripherals/motors.rs:182:3
[INFO] [stdout]     |
[INFO] [stdout] 182 |         motors.stop();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `robot::io::tcp_server`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use robot::io::tcp_server;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `robot::controller::Controller`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use robot::controller::Controller;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     motors.stop();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `robot::io::tcp_server`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use robot::io::tcp_server;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `robot::controller::Controller`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use robot::controller::Controller;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     motors.stop();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.34s
[INFO] running `Command { std: "docker" "inspect" "c3d5ba242d2200df722a6c1683ee5ab99e4f23c05aec0d7a292084f946ebe5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d5ba242d2200df722a6c1683ee5ab99e4f23c05aec0d7a292084f946ebe5c8", kill_on_drop: false }`
[INFO] [stdout] c3d5ba242d2200df722a6c1683ee5ab99e4f23c05aec0d7a292084f946ebe5c8