[INFO] fetching crate rsynth 0.1.2... [INFO] checking rsynth-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rsynth 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate rsynth 0.1.2 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rsynth 0.1.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate rsynth 0.1.2 [INFO] tweaked toml for crates.io crate rsynth 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate rsynth 0.1.2 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c13947de89fec99061e67670a7210563c0a92b23ccba5f4c703c09ce7280464 [INFO] running `Command { std: "docker" "start" "-a" "8c13947de89fec99061e67670a7210563c0a92b23ccba5f4c703c09ce7280464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c13947de89fec99061e67670a7210563c0a92b23ccba5f4c703c09ce7280464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c13947de89fec99061e67670a7210563c0a92b23ccba5f4c703c09ce7280464", kill_on_drop: false }` [INFO] [stdout] 8c13947de89fec99061e67670a7210563c0a92b23ccba5f4c703c09ce7280464 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f75079e631c08f9c3ae19dab6557eb5718cf6167a6d57f47cd2d53b768d2b16a [INFO] running `Command { std: "docker" "start" "-a" "f75079e631c08f9c3ae19dab6557eb5718cf6167a6d57f47cd2d53b768d2b16a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking midi-consts v0.1.0 [INFO] [stderr] Checking vecstorage v0.1.2 [INFO] [stderr] Checking asprim v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking rsynth v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `backend-file-hound` [INFO] [stdout] --> src/lib.rs:104:7 [INFO] [stdout] | [INFO] [stdout] 104 | #[cfg(feature = "backend-file-hound")] [INFO] [stdout] | ^^^^^^^^^^-------------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"backend-combined-hound"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `all`, `backend-combined`, `backend-combined-all`, `backend-combined-hound`, `backend-jack`, `backend-vst`, `dasp_sample`, `hound`, `jack`, and `vst` [INFO] [stdout] = help: consider adding `backend-file-hound` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backend-file-hound` [INFO] [stdout] --> src/lib.rs:108:7 [INFO] [stdout] | [INFO] [stdout] 108 | #[cfg(feature = "backend-file-hound")] [INFO] [stdout] | ^^^^^^^^^^-------------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"backend-combined-hound"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `all`, `backend-combined`, `backend-combined-all`, `backend-combined-hound`, `backend-jack`, `backend-vst`, `dasp_sample`, `hound`, `jack`, and `vst` [INFO] [stdout] = help: consider adding `backend-file-hound` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:99:1 [INFO] [stdout] | [INFO] [stdout] 99 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backend-file-hound` [INFO] [stdout] --> src/lib.rs:104:7 [INFO] [stdout] | [INFO] [stdout] 104 | #[cfg(feature = "backend-file-hound")] [INFO] [stdout] | ^^^^^^^^^^-------------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"backend-combined-hound"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `all`, `backend-combined`, `backend-combined-all`, `backend-combined-hound`, `backend-jack`, `backend-vst`, `dasp_sample`, `hound`, `jack`, and `vst` [INFO] [stdout] = help: consider adding `backend-file-hound` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backend-file-hound` [INFO] [stdout] --> src/lib.rs:108:7 [INFO] [stdout] | [INFO] [stdout] 108 | #[cfg(feature = "backend-file-hound")] [INFO] [stdout] | ^^^^^^^^^^-------------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"backend-combined-hound"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `all`, `backend-combined`, `backend-combined-all`, `backend-combined-hound`, `backend-jack`, `backend-vst`, `dasp_sample`, `hound`, `jack`, and `vst` [INFO] [stdout] = help: consider adding `backend-file-hound` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:99:1 [INFO] [stdout] | [INFO] [stdout] 99 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `envelope::staircase_envelope::staircase_envelope_iterator_next_called_with_empty_staircase_initial_value_returned`: This was never really worked out and should best be improved in a separate crate. [INFO] [stdout] --> src/envelope/staircase_envelope.rs:68:1 [INFO] [stdout] | [INFO] [stdout] 68 | / fn staircase_envelope_iterator_next_called_with_empty_staircase_initial_value_returned() { [INFO] [stdout] 69 | | let se = StairCaseEnvelope { [INFO] [stdout] 70 | | initial_value: 4, [INFO] [stdout] 71 | | event_queue: EventQueue::from_vec(vec![]), [INFO] [stdout] ... | [INFO] [stdout] 74 | | assert_eq!(iterator.next().map(|x| x.item), Some(4)); [INFO] [stdout] 75 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `envelope::staircase_envelope::staircase_envelope_iterator_next_called_with_nonempty_staircase_initial_value_returned`: This was never really worked out and should best be improved in a separate crate. [INFO] [stdout] --> src/envelope/staircase_envelope.rs:78:1 [INFO] [stdout] | [INFO] [stdout] 78 | / fn staircase_envelope_iterator_next_called_with_nonempty_staircase_initial_value_returned() { [INFO] [stdout] 79 | | let se = StairCaseEnvelope { [INFO] [stdout] 80 | | initial_value: 1, [INFO] [stdout] 81 | | event_queue: EventQueue::from_vec(vec![ [INFO] [stdout] ... | [INFO] [stdout] 91 | | ); [INFO] [stdout] 92 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/buffer/mod.rs:659:46 [INFO] [stdout] | [INFO] [stdout] 651 | range: R, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 659 | inputs: self.inputs.index_frames(range.clone(), vec_in), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/buffer/mod.rs:660:48 [INFO] [stdout] | [INFO] [stdout] 651 | range: R, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 660 | outputs: self.outputs.index_frames(range.clone(), vec_out), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/buffer/mod.rs:855:9 [INFO] [stdout] | [INFO] [stdout] 824 | pub fn split(mut self, number_of_frames_per_chunk: usize) -> Vec { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 836 | let mut result = Vec::with_capacity(result_len); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 855 | result.drain(..).map(AudioChunk::from_channels).collect() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsynth` (lib) due to 4 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/buffer/mod.rs:659:46 [INFO] [stdout] | [INFO] [stdout] 651 | range: R, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 659 | inputs: self.inputs.index_frames(range.clone(), vec_in), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/buffer/mod.rs:660:48 [INFO] [stdout] | [INFO] [stdout] 651 | range: R, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 660 | outputs: self.outputs.index_frames(range.clone(), vec_out), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/buffer/mod.rs:855:9 [INFO] [stdout] | [INFO] [stdout] 824 | pub fn split(mut self, number_of_frames_per_chunk: usize) -> Vec { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 836 | let mut result = Vec::with_capacity(result_len); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 855 | result.drain(..).map(AudioChunk::from_channels).collect() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/event/event_queue.rs:77:20 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn from_vec(events: Vec>) -> Self { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 76 | Self { [INFO] [stdout] 77 | queue: events.into(), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsynth` (lib test) due to 5 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f75079e631c08f9c3ae19dab6557eb5718cf6167a6d57f47cd2d53b768d2b16a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f75079e631c08f9c3ae19dab6557eb5718cf6167a6d57f47cd2d53b768d2b16a", kill_on_drop: false }` [INFO] [stdout] f75079e631c08f9c3ae19dab6557eb5718cf6167a6d57f47cd2d53b768d2b16a