[INFO] cloning repository https://github.com/yxProgramming/APEX-2020-FRC-Code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yxProgramming/APEX-2020-FRC-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyxProgramming%2FAPEX-2020-FRC-Code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyxProgramming%2FAPEX-2020-FRC-Code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b0e7e62048efccc67e79c9c676c5ea6c3f5952
[INFO] checking yxProgramming/APEX-2020-FRC-Code against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyxProgramming%2FAPEX-2020-FRC-Code" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yxProgramming/APEX-2020-FRC-Code on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/yxProgramming/APEX-2020-FRC-Code
[INFO] finished tweaking git repo https://github.com/yxProgramming/APEX-2020-FRC-Code
[INFO] tweaked toml for git repo https://github.com/yxProgramming/APEX-2020-FRC-Code written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/yxProgramming/APEX-2020-FRC-Code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", 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] ddce4a0eb02d7a07ccbe3ceba9ce7e93eb9abf00cd4f0df8cb6996a70e6f8b76
[INFO] running `Command { std: "docker" "start" "-a" "ddce4a0eb02d7a07ccbe3ceba9ce7e93eb9abf00cd4f0df8cb6996a70e6f8b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddce4a0eb02d7a07ccbe3ceba9ce7e93eb9abf00cd4f0df8cb6996a70e6f8b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddce4a0eb02d7a07ccbe3ceba9ce7e93eb9abf00cd4f0df8cb6996a70e6f8b76", kill_on_drop: false }`
[INFO] [stdout] ddce4a0eb02d7a07ccbe3ceba9ce7e93eb9abf00cd4f0df8cb6996a70e6f8b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eb1961b466b3f409f202128ffbd894b6059e37f06af832a48b73e6b7cfa05a5
[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" "9eb1961b466b3f409f202128ffbd894b6059e37f06af832a48b73e6b7cfa05a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wpilib-sys v0.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking wpilib v0.4.0
[INFO] [stderr]     Checking frc_robot_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `robot`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let robot = RobotBase::new().expect("HAL FAILED");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_robot`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `robot`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let robot = RobotBase::new().expect("HAL FAILED");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_robot`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "9eb1961b466b3f409f202128ffbd894b6059e37f06af832a48b73e6b7cfa05a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb1961b466b3f409f202128ffbd894b6059e37f06af832a48b73e6b7cfa05a5", kill_on_drop: false }`
[INFO] [stdout] 9eb1961b466b3f409f202128ffbd894b6059e37f06af832a48b73e6b7cfa05a5