[INFO] fetching crate mantle-macros 0.2.1... [INFO] checking mantle-macros-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mantle-macros 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate mantle-macros 0.2.1 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 mantle-macros 0.2.1 [INFO] finished tweaking crates.io crate mantle-macros 0.2.1 [INFO] tweaked toml for crates.io crate mantle-macros 0.2.1 written to /workspace/builds/worker-3-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 9 packages to latest compatible versions [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding proc-quote v0.2.2 (available: v0.4.0) [INFO] [stderr] Adding proc-quote-impl v0.2.2 (available: v0.3.2) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.79) [INFO] [stderr] Adding tiny-keccak v1.5.0 (available: v2.0.2) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1fe92d883c7887c6ca283dd335106434dcbd5c6f4823731ed7039b8b906b9e78 [INFO] running `Command { std: "docker" "start" "-a" "1fe92d883c7887c6ca283dd335106434dcbd5c6f4823731ed7039b8b906b9e78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fe92d883c7887c6ca283dd335106434dcbd5c6f4823731ed7039b8b906b9e78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe92d883c7887c6ca283dd335106434dcbd5c6f4823731ed7039b8b906b9e78", kill_on_drop: false }` [INFO] [stdout] 1fe92d883c7887c6ca283dd335106434dcbd5c6f4823731ed7039b8b906b9e78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 34dfa6a3f4753c6caa84c187e9dd7a20ecc483f9ac7ce1b538a98fa8f3be6b06 [INFO] running `Command { std: "docker" "start" "-a" "34dfa6a3f4753c6caa84c187e9dd7a20ecc483f9ac7ce1b538a98fa8f3be6b06", kill_on_drop: false }` [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking crunchy v0.2.2 [INFO] [stderr] Checking tiny-keccak v1.5.0 [INFO] [stderr] Checking proc-macro2 v0.4.30 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Compiling proc-quote-impl v0.2.2 [INFO] [stderr] Checking proc-quote v0.2.2 [INFO] [stderr] Checking mantle-macros v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option<(TokenStream2, TokenStream2)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/service_derive.rs:8:41 [INFO] [stdout] | [INFO] [stdout] 6 | let input = parse_macro_input!(input as syn::DeriveInput); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | let service = &input.ident; [INFO] [stdout] 8 | proc_macro::TokenStream::from(match get_serde(&input) { [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<(TokenStream2, TokenStream2)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/service_derive.rs:8:41 [INFO] [stdout] | [INFO] [stdout] 6 | let input = parse_macro_input!(input as syn::DeriveInput); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | let service = &input.ident; [INFO] [stdout] 8 | proc_macro::TokenStream::from(match get_serde(&input) { [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 `mantle-macros` (lib test) due to 2 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 `mantle-macros` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "34dfa6a3f4753c6caa84c187e9dd7a20ecc483f9ac7ce1b538a98fa8f3be6b06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34dfa6a3f4753c6caa84c187e9dd7a20ecc483f9ac7ce1b538a98fa8f3be6b06", kill_on_drop: false }` [INFO] [stdout] 34dfa6a3f4753c6caa84c187e9dd7a20ecc483f9ac7ce1b538a98fa8f3be6b06