[INFO] fetching crate proc-macro-rules 0.4.0... [INFO] checking proc-macro-rules-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate proc-macro-rules 0.4.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate proc-macro-rules 0.4.0 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 proc-macro-rules 0.4.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate proc-macro-rules 0.4.0 [INFO] tweaked toml for crates.io crate proc-macro-rules 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate proc-macro-rules 0.4.0 already has a lockfile, it will not be regenerated [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b5272b358665f0e2420e1ba572a2f00d4a857ebb7931ba320d46100eed3421f1 [INFO] running `Command { std: "docker" "start" "-a" "b5272b358665f0e2420e1ba572a2f00d4a857ebb7931ba320d46100eed3421f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5272b358665f0e2420e1ba572a2f00d4a857ebb7931ba320d46100eed3421f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5272b358665f0e2420e1ba572a2f00d4a857ebb7931ba320d46100eed3421f1", kill_on_drop: false }` [INFO] [stdout] b5272b358665f0e2420e1ba572a2f00d4a857ebb7931ba320d46100eed3421f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9e891b37de60b09ebf32d1389302e21537fe06dc3a411868d2c39acc0295500c [INFO] running `Command { std: "docker" "start" "-a" "9e891b37de60b09ebf32d1389302e21537fe06dc3a411868d2c39acc0295500c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling proc-macro-rules-macros v0.4.0 [INFO] [stderr] Checking proc-macro-rules v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `proc_macro2::TokenStream` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/macro_rules.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | rules!(input.into() => { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | ( $( $x:expr ),+ ) => { quote! { [INFO] [stdout] | _________________________________- [INFO] [stdout] 41 | | let mut temp_vec = Vec::new(); [INFO] [stdout] 42 | | #( [INFO] [stdout] 43 | | temp_vec.push(#x); [INFO] [stdout] 44 | | )* [INFO] [stdout] 45 | | temp_vec [INFO] [stdout] 46 | | }} [INFO] [stdout] | |_________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `proc-macro-rules` (example "macro_rules") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9e891b37de60b09ebf32d1389302e21537fe06dc3a411868d2c39acc0295500c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e891b37de60b09ebf32d1389302e21537fe06dc3a411868d2c39acc0295500c", kill_on_drop: false }` [INFO] [stdout] 9e891b37de60b09ebf32d1389302e21537fe06dc3a411868d2c39acc0295500c