[INFO] fetching crate gamepad 0.1.1...
[INFO] checking gamepad-0.1.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate gamepad 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gamepad 0.1.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gamepad 0.1.1
[INFO] finished tweaking crates.io crate gamepad 0.1.1
[INFO] tweaked toml for crates.io crate gamepad 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate gamepad 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] bb7ef3f1c941b5bb14f3f65063a3c30b2032c59ec4f8ee2048ec37ceba4d3e46
[INFO] running `Command { std: "docker" "start" "-a" "bb7ef3f1c941b5bb14f3f65063a3c30b2032c59ec4f8ee2048ec37ceba4d3e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb7ef3f1c941b5bb14f3f65063a3c30b2032c59ec4f8ee2048ec37ceba4d3e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7ef3f1c941b5bb14f3f65063a3c30b2032c59ec4f8ee2048ec37ceba4d3e46", kill_on_drop: false }`
[INFO] [stdout] bb7ef3f1c941b5bb14f3f65063a3c30b2032c59ec4f8ee2048ec37ceba4d3e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ed151a27b2b19f41f1a9c0ab0fbb32d0baa5fe7f621f064ea8c722df9bb1c8f
[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" "1ed151a27b2b19f41f1a9c0ab0fbb32d0baa5fe7f621f064ea8c722df9bb1c8f", kill_on_drop: false }`
[INFO] [stderr]     Checking gamepad v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> examples/gamepad.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         engine.update();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "1ed151a27b2b19f41f1a9c0ab0fbb32d0baa5fe7f621f064ea8c722df9bb1c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed151a27b2b19f41f1a9c0ab0fbb32d0baa5fe7f621f064ea8c722df9bb1c8f", kill_on_drop: false }`
[INFO] [stdout] 1ed151a27b2b19f41f1a9c0ab0fbb32d0baa5fe7f621f064ea8c722df9bb1c8f