[INFO] fetching crate joycon-rs 0.6.3... [INFO] checking joycon-rs-0.6.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate joycon-rs 0.6.3 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate joycon-rs 0.6.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-7-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c2bde8c67774729fdae0a8c6a0a2dfbfc17cd03265556eb32cb37be1c2c137c [INFO] running `Command { std: "docker" "start" "-a" "8c2bde8c67774729fdae0a8c6a0a2dfbfc17cd03265556eb32cb37be1c2c137c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c2bde8c67774729fdae0a8c6a0a2dfbfc17cd03265556eb32cb37be1c2c137c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c2bde8c67774729fdae0a8c6a0a2dfbfc17cd03265556eb32cb37be1c2c137c", kill_on_drop: false }` [INFO] [stdout] 8c2bde8c67774729fdae0a8c6a0a2dfbfc17cd03265556eb32cb37be1c2c137c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d6003972bd53035c4edb81b6058eecf2bbf03cd36ae09ca33782c06e3a49b86 [INFO] running `Command { std: "docker" "start" "-a" "3d6003972bd53035c4edb81b6058eecf2bbf03cd36ae09ca33782c06e3a49b86", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling hidapi v1.3.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [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: 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: 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.06s [INFO] running `Command { std: "docker" "inspect" "3d6003972bd53035c4edb81b6058eecf2bbf03cd36ae09ca33782c06e3a49b86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d6003972bd53035c4edb81b6058eecf2bbf03cd36ae09ca33782c06e3a49b86", kill_on_drop: false }` [INFO] [stdout] 3d6003972bd53035c4edb81b6058eecf2bbf03cd36ae09ca33782c06e3a49b86