[INFO] fetching crate gamepad 0.1.6...
[INFO] checking gamepad-0.1.6 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gamepad 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate gamepad 0.1.6 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gamepad 0.1.6
[INFO] finished tweaking crates.io crate gamepad 0.1.6
[INFO] tweaked toml for crates.io crate gamepad 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate gamepad 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gilrs-core v0.3.2
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded rusty-xinput v1.2.0
[INFO] [stderr]   Downloaded io-kit-sys v0.1.0
[INFO] [stderr]   Downloaded gilrs v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6400f76a38ae2ca6219bfd0067d8c9ab840496c03e2b81443cc16487c8f3730a
[INFO] running `Command { std: "docker" "start" "-a" "6400f76a38ae2ca6219bfd0067d8c9ab840496c03e2b81443cc16487c8f3730a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6400f76a38ae2ca6219bfd0067d8c9ab840496c03e2b81443cc16487c8f3730a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6400f76a38ae2ca6219bfd0067d8c9ab840496c03e2b81443cc16487c8f3730a", kill_on_drop: false }`
[INFO] [stdout] 6400f76a38ae2ca6219bfd0067d8c9ab840496c03e2b81443cc16487c8f3730a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 019afcccd2fa066b569afec4d07a928e697343791c0c417457cfb108099e0a65
[INFO] running `Command { std: "docker" "start" "-a" "019afcccd2fa066b569afec4d07a928e697343791c0c417457cfb108099e0a65", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking gilrs-core v0.3.2
[INFO] [stderr]     Checking gilrs v0.8.2
[INFO] [stderr]     Checking gamepad v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `poll_events` is never used
[INFO] [stdout]   --> src/backends.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub(crate) trait GamepadEngineBackend {
[INFO] [stdout]    |                  -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn poll_events(&mut self) -> Vec<GamepadEvent> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll_events` is never used
[INFO] [stdout]   --> src/backends.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub(crate) trait GamepadEngineBackend {
[INFO] [stdout]    |                  -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn poll_events(&mut self) -> Vec<GamepadEvent> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "019afcccd2fa066b569afec4d07a928e697343791c0c417457cfb108099e0a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019afcccd2fa066b569afec4d07a928e697343791c0c417457cfb108099e0a65", kill_on_drop: false }`
[INFO] [stdout] 019afcccd2fa066b569afec4d07a928e697343791c0c417457cfb108099e0a65