[INFO] cloning repository https://github.com/pixix4/Robots-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pixix4/Robots-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixix4%2FRobots-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixix4%2FRobots-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ee861e53645de24e0b8b65625a1496d0fb557f1
[INFO] checking pixix4/Robots-Rust against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixix4%2FRobots-Rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pixix4/Robots-Rust on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/pixix4/Robots-Rust
[INFO] finished tweaking git repo https://github.com/pixix4/Robots-Rust
[INFO] tweaked toml for git repo https://github.com/pixix4/Robots-Rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/pixix4/Robots-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96466fef0b44125b2392b964b74910872bafc9b32d4cd8bfbef7d03d35b6ecff
[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" "96466fef0b44125b2392b964b74910872bafc9b32d4cd8bfbef7d03d35b6ecff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96466fef0b44125b2392b964b74910872bafc9b32d4cd8bfbef7d03d35b6ecff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96466fef0b44125b2392b964b74910872bafc9b32d4cd8bfbef7d03d35b6ecff", kill_on_drop: false }`
[INFO] [stdout] 96466fef0b44125b2392b964b74910872bafc9b32d4cd8bfbef7d03d35b6ecff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab904369e293507561cdf32bcd74001373f65604865bab7fe668b1d8c33d699
[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" "4ab904369e293507561cdf32bcd74001373f65604865bab7fe668b1d8c33d699", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking ev3dev-lang-rust v0.4.0
[INFO] [stderr]     Checking robots-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]    --> src/network.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     Stop,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]    --> src/network.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     Stop,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]    --> src/driving.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     Stop,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]    --> src/driving.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     Stop,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ab904369e293507561cdf32bcd74001373f65604865bab7fe668b1d8c33d699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab904369e293507561cdf32bcd74001373f65604865bab7fe668b1d8c33d699", kill_on_drop: false }`
[INFO] [stdout] 4ab904369e293507561cdf32bcd74001373f65604865bab7fe668b1d8c33d699