[INFO] fetching crate joycon-rs 0.6.3... [INFO] checking joycon-rs-0.6.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate joycon-rs 0.6.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate joycon-rs 0.6.3 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate joycon-rs 0.6.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate joycon-rs 0.6.3 [INFO] tweaked toml for crates.io crate joycon-rs 0.6.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate joycon-rs 0.6.3 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 046ca08a642d78d0f61d996b9d81a88ff620537444e270bc8efa8347c70bb8b1 [INFO] running `Command { std: "docker" "start" "-a" "046ca08a642d78d0f61d996b9d81a88ff620537444e270bc8efa8347c70bb8b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "046ca08a642d78d0f61d996b9d81a88ff620537444e270bc8efa8347c70bb8b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "046ca08a642d78d0f61d996b9d81a88ff620537444e270bc8efa8347c70bb8b1", kill_on_drop: false }` [INFO] [stdout] 046ca08a642d78d0f61d996b9d81a88ff620537444e270bc8efa8347c70bb8b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20fccaa1d1ebff65b2418a9599232f46e56f40452526f9e72ef982b5669a167e [INFO] running `Command { std: "docker" "start" "-a" "20fccaa1d1ebff65b2418a9599232f46e56f40452526f9e72ef982b5669a167e", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling hidapi v1.3.0 [INFO] [stderr] Checking joycon-rs v0.6.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DebugHidDevice` is never constructed [INFO] [stdout] --> src/joycon/mod.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct DebugHidDevice<'a>(&'a HidDevice); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/joycon/manager.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 44 | match SINGLETON.clone() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DebugHidDevice` is never constructed [INFO] [stdout] --> src/joycon/mod.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct DebugHidDevice<'a>(&'a HidDevice); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/joycon/manager.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 44 | match SINGLETON.clone() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `Command { std: "docker" "inspect" "20fccaa1d1ebff65b2418a9599232f46e56f40452526f9e72ef982b5669a167e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20fccaa1d1ebff65b2418a9599232f46e56f40452526f9e72ef982b5669a167e", kill_on_drop: false }` [INFO] [stdout] 20fccaa1d1ebff65b2418a9599232f46e56f40452526f9e72ef982b5669a167e