[INFO] fetching crate vride-runtime 0.1.0... [INFO] checking vride-runtime-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate vride-runtime 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate vride-runtime 0.1.0 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 vride-runtime 0.1.0 [INFO] finished tweaking crates.io crate vride-runtime 0.1.0 [INFO] tweaked toml for crates.io crate vride-runtime 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages to latest compatible versions [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 44b87e6bdffd62b4afe5e03113f884217855470ab2472050c4ae9a0b8b5fe0e5 [INFO] running `Command { std: "docker" "start" "-a" "44b87e6bdffd62b4afe5e03113f884217855470ab2472050c4ae9a0b8b5fe0e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44b87e6bdffd62b4afe5e03113f884217855470ab2472050c4ae9a0b8b5fe0e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44b87e6bdffd62b4afe5e03113f884217855470ab2472050c4ae9a0b8b5fe0e5", kill_on_drop: false }` [INFO] [stdout] 44b87e6bdffd62b4afe5e03113f884217855470ab2472050c4ae9a0b8b5fe0e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 93eeb86d2c9091b2c9d5851834aaa0492fdd56646af8538a5a25058c211d405d [INFO] running `Command { std: "docker" "start" "-a" "93eeb86d2c9091b2c9d5851834aaa0492fdd56646af8538a5a25058c211d405d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking vride-runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `time::Duration` [INFO] [stdout] --> src/lib.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::Duration` [INFO] [stdout] --> src/lib.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ready_queue` is never read [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Executor { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 17 | ready_queue: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/lib.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Executor { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 21 | fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `task_sender` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Spawner { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 47 | task_sender: SyncSender>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Spawner` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `future` is never read [INFO] [stdout] --> src/lib.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct Task { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 59 | future: Mutex>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `spawn` is never used [INFO] [stdout] --> src/lib.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl Spawner { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 75 | fn spawn(&self, future: impl Future + 'static + Send) { [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/lib.rs:71:6 [INFO] [stdout] | [INFO] [stdout] 70 | let (task_sender, ready_queue) = sync_channel(MAX_QUEUED_TASKS); [INFO] [stdout] | ----------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 71 | (Executor { ready_queue }, Spawner { task_sender }) [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/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 70 | let (task_sender, ready_queue) = sync_channel(MAX_QUEUED_TASKS); [INFO] [stdout] | ----------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 71 | (Executor { ready_queue }, Spawner { task_sender }) [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 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ready_queue` is never read [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Executor { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 17 | ready_queue: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/lib.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Executor { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 21 | fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `task_sender` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Spawner { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 47 | task_sender: SyncSender>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Spawner` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `future` is never read [INFO] [stdout] --> src/lib.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct Task { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 59 | future: Mutex>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `spawn` is never used [INFO] [stdout] --> src/lib.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl Spawner { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 75 | fn spawn(&self, future: impl Future + 'static + Send) { [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/lib.rs:71:6 [INFO] [stdout] | [INFO] [stdout] 70 | let (task_sender, ready_queue) = sync_channel(MAX_QUEUED_TASKS); [INFO] [stdout] | ----------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 71 | (Executor { ready_queue }, Spawner { task_sender }) [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/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 70 | let (task_sender, ready_queue) = sync_channel(MAX_QUEUED_TASKS); [INFO] [stdout] | ----------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 71 | (Executor { ready_queue }, Spawner { task_sender }) [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 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `vride-runtime` (lib) due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `vride-runtime` (lib test) due to 3 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "93eeb86d2c9091b2c9d5851834aaa0492fdd56646af8538a5a25058c211d405d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93eeb86d2c9091b2c9d5851834aaa0492fdd56646af8538a5a25058c211d405d", kill_on_drop: false }` [INFO] [stdout] 93eeb86d2c9091b2c9d5851834aaa0492fdd56646af8538a5a25058c211d405d