[INFO] fetching crate gamepad 0.1.1...
[INFO] checking gamepad-0.1.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate gamepad 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gamepad 0.1.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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-2/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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2b6928edfae0049c31d2c7ccc28bedafbd0f9aa37f28f8c2c4d3cf82cb1a4c7
[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" "b2b6928edfae0049c31d2c7ccc28bedafbd0f9aa37f28f8c2c4d3cf82cb1a4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2b6928edfae0049c31d2c7ccc28bedafbd0f9aa37f28f8c2c4d3cf82cb1a4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b6928edfae0049c31d2c7ccc28bedafbd0f9aa37f28f8c2c4d3cf82cb1a4c7", kill_on_drop: false }`
[INFO] [stdout] b2b6928edfae0049c31d2c7ccc28bedafbd0f9aa37f28f8c2c4d3cf82cb1a4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2fe8cd10f770f7fa9e60757f5a17ce0808e072f8260898ac3aa01b117ed95b
[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" "1a2fe8cd10f770f7fa9e60757f5a17ce0808e072f8260898ac3aa01b117ed95b", 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 0.70s
[INFO] running `Command { std: "docker" "inspect" "1a2fe8cd10f770f7fa9e60757f5a17ce0808e072f8260898ac3aa01b117ed95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2fe8cd10f770f7fa9e60757f5a17ce0808e072f8260898ac3aa01b117ed95b", kill_on_drop: false }`
[INFO] [stdout] 1a2fe8cd10f770f7fa9e60757f5a17ce0808e072f8260898ac3aa01b117ed95b