[INFO] fetching crate arctree 0.1.0... [INFO] checking arctree-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate arctree 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate arctree 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate arctree 0.1.0 [INFO] finished tweaking crates.io crate arctree 0.1.0 [INFO] tweaked toml for crates.io crate arctree 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a84b762ac370b05e439009dfc3ac001dd1cdc5fc8a355fa51175d156fab98cf8 [INFO] running `Command { std: "docker" "start" "-a" "a84b762ac370b05e439009dfc3ac001dd1cdc5fc8a355fa51175d156fab98cf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a84b762ac370b05e439009dfc3ac001dd1cdc5fc8a355fa51175d156fab98cf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a84b762ac370b05e439009dfc3ac001dd1cdc5fc8a355fa51175d156fab98cf8", kill_on_drop: false }` [INFO] [stdout] a84b762ac370b05e439009dfc3ac001dd1cdc5fc8a355fa51175d156fab98cf8 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be59fe75a503e86e41c54f0ba593f53a6ea9d256beb6d4da2057fd421b106ef3 [INFO] running `Command { std: "docker" "start" "-a" "be59fe75a503e86e41c54f0ba593f53a6ea9d256beb6d4da2057fd421b106ef3", kill_on_drop: false }` [INFO] [stderr] Checking arctree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Arc>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:387:21 [INFO] [stdout] | [INFO] [stdout] 365 | pub fn insert_before(&self, new_sibling: Node) { [INFO] [stdout] | ----------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 371 | let mut self_write = self.0.write(); [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 372 | let mut previous_sibling_opt = None; [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 387 | if let Some(previous_sibling_strong) = previous_sibling_opt { [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 `Arc>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:387:21 [INFO] [stdout] | [INFO] [stdout] 365 | pub fn insert_before(&self, new_sibling: Node) { [INFO] [stdout] | ----------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 371 | let mut self_write = self.0.write(); [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 372 | let mut previous_sibling_opt = None; [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 387 | if let Some(previous_sibling_strong) = previous_sibling_opt { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arctree` (lib test) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `arctree` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "be59fe75a503e86e41c54f0ba593f53a6ea9d256beb6d4da2057fd421b106ef3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be59fe75a503e86e41c54f0ba593f53a6ea9d256beb6d4da2057fd421b106ef3", kill_on_drop: false }` [INFO] [stdout] be59fe75a503e86e41c54f0ba593f53a6ea9d256beb6d4da2057fd421b106ef3