[INFO] fetching crate audio-device-windows-sys 0.1.0-alpha.1...
[INFO] checking audio-device-windows-sys-0.1.0-alpha.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate audio-device-windows-sys 0.1.0-alpha.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate audio-device-windows-sys 0.1.0-alpha.1 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 audio-device-windows-sys 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate audio-device-windows-sys 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate audio-device-windows-sys 0.1.0-alpha.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding const-sha1 v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding windows v0.8.0 (available: v0.58.0)
[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] 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] 5fd213a38f230fcbe0731806ad2e68f3660caf62431489ef224b1167f54c0f01
[INFO] running `Command { std: "docker" "start" "-a" "5fd213a38f230fcbe0731806ad2e68f3660caf62431489ef224b1167f54c0f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fd213a38f230fcbe0731806ad2e68f3660caf62431489ef224b1167f54c0f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd213a38f230fcbe0731806ad2e68f3660caf62431489ef224b1167f54c0f01", kill_on_drop: false }`
[INFO] [stdout] 5fd213a38f230fcbe0731806ad2e68f3660caf62431489ef224b1167f54c0f01
[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] deddacb7fc0a98a9a17068d0a8453e2ff980884b5e320d4ec073556d5022fdcd
[INFO] running `Command { std: "docker" "start" "-a" "deddacb7fc0a98a9a17068d0a8453e2ff980884b5e320d4ec073556d5022fdcd", kill_on_drop: false }`
[INFO] [stderr]     Checking const-sha1 v0.2.0
[INFO] [stderr]     Checking windows v0.8.0
[INFO] [stderr]     Checking audio-device-windows-sys v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]      --> src/bindings.rs:44249:33
[INFO] [stdout]       |
[INFO] [stdout] 44249 | ...                   ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]       = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]       |
[INFO] [stdout] 44249 |                                 let _ = ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]      --> src/bindings.rs:44342:33
[INFO] [stdout]       |
[INFO] [stdout] 44342 | ...                   ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]       |
[INFO] [stdout] 44342 |                                 let _ = ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]      --> src/bindings.rs:44249:33
[INFO] [stdout]       |
[INFO] [stdout] 44249 | ...                   ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]       = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]       |
[INFO] [stdout] 44249 |                                 let _ = ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]      --> src/bindings.rs:44342:33
[INFO] [stdout]       |
[INFO] [stdout] 44342 | ...                   ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]       |
[INFO] [stdout] 44342 |                                 let _ = ::std::boxed::Box::from_raw(value.0);
[INFO] [stdout]       |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "deddacb7fc0a98a9a17068d0a8453e2ff980884b5e320d4ec073556d5022fdcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deddacb7fc0a98a9a17068d0a8453e2ff980884b5e320d4ec073556d5022fdcd", kill_on_drop: false }`
[INFO] [stdout] deddacb7fc0a98a9a17068d0a8453e2ff980884b5e320d4ec073556d5022fdcd