[INFO] fetching crate serde-bridge 0.0.3... [INFO] checking serde-bridge-0.0.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate serde-bridge 0.0.3 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate serde-bridge 0.0.3 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] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate serde-bridge 0.0.3 [INFO] finished tweaking crates.io crate serde-bridge 0.0.3 [INFO] tweaked toml for crates.io crate serde-bridge 0.0.3 written to /workspace/builds/worker-7-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 14 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b8bcebff27b17cdc8594e439ad234a5ec46b4abae845cb95f9e1dc3399035031 [INFO] running `Command { std: "docker" "start" "-a" "b8bcebff27b17cdc8594e439ad234a5ec46b4abae845cb95f9e1dc3399035031", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8bcebff27b17cdc8594e439ad234a5ec46b4abae845cb95f9e1dc3399035031", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8bcebff27b17cdc8594e439ad234a5ec46b4abae845cb95f9e1dc3399035031", kill_on_drop: false }` [INFO] [stdout] b8bcebff27b17cdc8594e439ad234a5ec46b4abae845cb95f9e1dc3399035031 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 68c137fe3b7694de6f6dd47c45f58d3415dded99f0178534d87739129002e595 [INFO] running `Command { std: "docker" "start" "-a" "68c137fe3b7694de6f6dd47c45f58d3415dded99f0178534d87739129002e595", kill_on_drop: false }` [INFO] [stderr] Checking serde-bridge v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:697:15 [INFO] [stdout] | [INFO] [stdout] 693 | fn next_element_seed(&mut self, seed: T) -> Result, Self::Error> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 697 | match self.elements.next() { [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 `std::option::Option<(Value, Value)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:729:15 [INFO] [stdout] | [INFO] [stdout] 720 | fn next_key_seed(&mut self, seed: K) -> Result, Self::Error> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 729 | match self.entries.next() { [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 `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:697:15 [INFO] [stdout] | [INFO] [stdout] 693 | fn next_element_seed(&mut self, seed: T) -> Result, Self::Error> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 697 | match self.elements.next() { [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 `std::option::Option<(value::Value, value::Value)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:729:15 [INFO] [stdout] | [INFO] [stdout] 720 | fn next_key_seed(&mut self, seed: K) -> Result, Self::Error> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 729 | match self.entries.next() { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde-bridge` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde-bridge` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "68c137fe3b7694de6f6dd47c45f58d3415dded99f0178534d87739129002e595", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68c137fe3b7694de6f6dd47c45f58d3415dded99f0178534d87739129002e595", kill_on_drop: false }` [INFO] [stdout] 68c137fe3b7694de6f6dd47c45f58d3415dded99f0178534d87739129002e595