[INFO] fetching crate mbarc-map 0.9.0... [INFO] checking mbarc-map-0.9.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mbarc-map 0.9.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mbarc-map 0.9.0 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 mbarc-map 0.9.0 [INFO] finished tweaking crates.io crate mbarc-map 0.9.0 [INFO] tweaked toml for crates.io crate mbarc-map 0.9.0 written to /workspace/builds/worker-4-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] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e767d565fd7010946c630fc63cf78aca17c27fdbfc875bf4f26a277ab5af07cb [INFO] running `Command { std: "docker" "start" "-a" "e767d565fd7010946c630fc63cf78aca17c27fdbfc875bf4f26a277ab5af07cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e767d565fd7010946c630fc63cf78aca17c27fdbfc875bf4f26a277ab5af07cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e767d565fd7010946c630fc63cf78aca17c27fdbfc875bf4f26a277ab5af07cb", kill_on_drop: false }` [INFO] [stdout] e767d565fd7010946c630fc63cf78aca17c27fdbfc875bf4f26a277ab5af07cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dea46b6e108b084d264ac63d1735c92236b62348567df128ec06aa2b7174986e [INFO] running `Command { std: "docker" "start" "-a" "dea46b6e108b084d264ac63d1735c92236b62348567df128ec06aa2b7174986e", kill_on_drop: false }` [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking mbarc-map v0.9.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stdout] warning: method `capacity` is never used [INFO] [stdout] --> src/fixed_address_continuous_allocation.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 36 | impl FaVec { [INFO] [stdout] | ----------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 293 | pub fn capacity(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/minimally_blocking_atomic_reference_counted_map.rs:212:25 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn insert(&self, key: T, value: U) -> Option> { [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] 197 | let mut refs_lock = self.data_refs.lock().unwrap(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 198 | let mut data_lock = self.data.lock().unwrap(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 199 | [INFO] [stdout] 200 | let new_holder = DataHolder { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 212 | refs_lock.insert(key, DataReference { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 213 | | ptr: NonNull::new(inserted_item as *mut DataHolder).unwrap(), [INFO] [stdout] 214 | | phantom: PhantomData, [INFO] [stdout] 215 | | }) [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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mbarc-map` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "dea46b6e108b084d264ac63d1735c92236b62348567df128ec06aa2b7174986e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dea46b6e108b084d264ac63d1735c92236b62348567df128ec06aa2b7174986e", kill_on_drop: false }` [INFO] [stdout] dea46b6e108b084d264ac63d1735c92236b62348567df128ec06aa2b7174986e