[INFO] fetching crate hydra-dashmap 0.1.26... [INFO] checking hydra-dashmap-0.1.26 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate hydra-dashmap 0.1.26 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate hydra-dashmap 0.1.26 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 hydra-dashmap 0.1.26 [INFO] finished tweaking crates.io crate hydra-dashmap 0.1.26 [INFO] tweaked toml for crates.io crate hydra-dashmap 0.1.26 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] Updating crates.io index [INFO] [stderr] Locking 33 packages to latest compatible versions [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] 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] 4739c564edf578d42858ec39a707fa8d61c352d4ede595ce5987f99974be8c8f [INFO] running `Command { std: "docker" "start" "-a" "4739c564edf578d42858ec39a707fa8d61c352d4ede595ce5987f99974be8c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4739c564edf578d42858ec39a707fa8d61c352d4ede595ce5987f99974be8c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4739c564edf578d42858ec39a707fa8d61c352d4ede595ce5987f99974be8c8f", kill_on_drop: false }` [INFO] [stdout] 4739c564edf578d42858ec39a707fa8d61c352d4ede595ce5987f99974be8c8f [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] 6a10ff1e74627d88b294d8bf7a7e563b9ee6144b06234f038e2a8290c910a919 [INFO] running `Command { std: "docker" "start" "-a" "6a10ff1e74627d88b294d8bf7a7e563b9ee6144b06234f038e2a8290c910a919", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking hydra-dashmap v0.1.26 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::iter::Map, {closure@src/read_only.rs:203:35: 203:42}>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/read_only.rs:203:20 [INFO] [stdout] | [INFO] [stdout] 199 | let map = construct_sample_map(); [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 200 | [INFO] [stdout] 201 | let view = map.clone().into_read_only(); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 202 | [INFO] [stdout] 203 | for key in map.iter().map(|entry| *entry.key()) { [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: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:1119:30 [INFO] [stdout] | [INFO] [stdout] 1114 | fn _alter(&self, key: &Q, f: impl FnOnce(&K, V) -> V) [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1119 | if let Some(mut r) = self.get_mut(key) { [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: this value of type `mapref::one::Ref<'_, i32, T0>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:1369:28 [INFO] [stdout] | [INFO] [stdout] 1357 | let dm = DashMap::new(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1369 | assert_eq!(&t, dm.get(&i).unwrap().value()); [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: this value of type `mapref::one::Ref<'_, u32, u32>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:1381:28 [INFO] [stdout] | [INFO] [stdout] 1375 | let dm_hm_default: DashMap = [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1381 | assert_eq!(i, *dm_hm_default.get(&i).unwrap().value()); [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: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:1119:30 [INFO] [stdout] | [INFO] [stdout] 1114 | fn _alter(&self, key: &Q, f: impl FnOnce(&K, V) -> V) [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1119 | if let Some(mut r) = self.get_mut(key) { [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hydra-dashmap` (lib test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hydra-dashmap` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6a10ff1e74627d88b294d8bf7a7e563b9ee6144b06234f038e2a8290c910a919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a10ff1e74627d88b294d8bf7a7e563b9ee6144b06234f038e2a8290c910a919", kill_on_drop: false }` [INFO] [stdout] 6a10ff1e74627d88b294d8bf7a7e563b9ee6144b06234f038e2a8290c910a919