[INFO] fetching crate reaper-medium 0.1.0...
[INFO] checking reaper-medium-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate reaper-medium 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate reaper-medium 0.1.0 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 reaper-medium 0.1.0
[INFO] finished tweaking crates.io crate reaper-medium 0.1.0
[INFO] tweaked toml for crates.io crate reaper-medium 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding derive_more v0.99.18 (available: v1.0.0)
[INFO] [stderr]       Adding enumflags2 v0.6.4 (available: v0.7.10)
[INFO] [stderr]       Adding enumflags2_derive v0.6.4 (available: v0.7.10)
[INFO] [stderr]       Adding helgoboss-midi v0.1.2 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding libloading v0.5.2 (available: v0.8.5)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (available: v0.12.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding toml v0.7.8 (available: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding vst v0.2.1 (available: v0.4.0)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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] [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-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] 6e4c4dbfaa6d404f2323dd235e9a6f7ed8c4cc2a14a0831a1eabe1bbd7db5198
[INFO] running `Command { std: "docker" "start" "-a" "6e4c4dbfaa6d404f2323dd235e9a6f7ed8c4cc2a14a0831a1eabe1bbd7db5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4c4dbfaa6d404f2323dd235e9a6f7ed8c4cc2a14a0831a1eabe1bbd7db5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4c4dbfaa6d404f2323dd235e9a6f7ed8c4cc2a14a0831a1eabe1bbd7db5198", kill_on_drop: false }`
[INFO] [stdout] 6e4c4dbfaa6d404f2323dd235e9a6f7ed8c4cc2a14a0831a1eabe1bbd7db5198
[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] 34fbf7c0b651991dde719015c69bbb0c489e4444b57e1a1fec9803ded2ef60dc
[INFO] running `Command { std: "docker" "start" "-a" "34fbf7c0b651991dde719015c69bbb0c489e4444b57e1a1fec9803ded2ef60dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling core-error v0.0.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling reaper-low v0.1.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking c_str_macro v1.0.3
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking vst v0.2.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Checking helgoboss-midi v0.1.2
[INFO] [stderr]     Checking reaper-medium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `owned_user_data_1` and `owned_user_data_2` are never read
[INFO] [stdout]    --> src/audio_hook_register.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 94  | pub(crate) struct MediumAudioHookRegister {
[INFO] [stdout]     |                   ----------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     owned_user_data_1: Option<Box<dyn Any>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 101 |     owned_user_data_2: Option<Box<dyn Any>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MediumAudioHookRegister` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `owned_user_data_1` and `owned_user_data_2` are never read
[INFO] [stdout]    --> src/audio_hook_register.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 94  | pub(crate) struct MediumAudioHookRegister {
[INFO] [stdout]     |                   ----------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     owned_user_data_1: Option<Box<dyn Any>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 101 |     owned_user_data_2: Option<Box<dyn Any>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MediumAudioHookRegister` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `Command { std: "docker" "inspect" "34fbf7c0b651991dde719015c69bbb0c489e4444b57e1a1fec9803ded2ef60dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fbf7c0b651991dde719015c69bbb0c489e4444b57e1a1fec9803ded2ef60dc", kill_on_drop: false }`
[INFO] [stdout] 34fbf7c0b651991dde719015c69bbb0c489e4444b57e1a1fec9803ded2ef60dc