[INFO] fetching crate gamepad 0.1.6...
[INFO] building gamepad-0.1.6 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[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 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9a70139be969dba8f926cbb996f9f14440ef276724473c1289a8eb3172d4d14
[INFO] running `Command { std: "docker" "start" "-a" "a9a70139be969dba8f926cbb996f9f14440ef276724473c1289a8eb3172d4d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a70139be969dba8f926cbb996f9f14440ef276724473c1289a8eb3172d4d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a70139be969dba8f926cbb996f9f14440ef276724473c1289a8eb3172d4d14", kill_on_drop: false }`
[INFO] [stdout] a9a70139be969dba8f926cbb996f9f14440ef276724473c1289a8eb3172d4d14
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd655815aa927443e4c9a415550676c6466d81a390885faeb4516a823e2325c
[INFO] running `Command { std: "docker" "start" "-a" "ccd655815aa927443e4c9a415550676c6466d81a390885faeb4516a823e2325c", 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]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling gilrs-core v0.3.2
[INFO] [stderr]    Compiling gilrs v0.8.2
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "ccd655815aa927443e4c9a415550676c6466d81a390885faeb4516a823e2325c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd655815aa927443e4c9a415550676c6466d81a390885faeb4516a823e2325c", kill_on_drop: false }`
[INFO] [stdout] ccd655815aa927443e4c9a415550676c6466d81a390885faeb4516a823e2325c
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f36be3343cc54ec9800ef6d21edb53e5480f17492bcbf212a4bb48d2ff2078
[INFO] running `Command { std: "docker" "start" "-a" "93f36be3343cc54ec9800ef6d21edb53e5480f17492bcbf212a4bb48d2ff2078", kill_on_drop: false }`
[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] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "93f36be3343cc54ec9800ef6d21edb53e5480f17492bcbf212a4bb48d2ff2078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f36be3343cc54ec9800ef6d21edb53e5480f17492bcbf212a4bb48d2ff2078", kill_on_drop: false }`
[INFO] [stdout] 93f36be3343cc54ec9800ef6d21edb53e5480f17492bcbf212a4bb48d2ff2078