[INFO] cloning repository https://github.com/JedimEmO/futures-signals-observable [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JedimEmO/futures-signals-observable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJedimEmO%2Ffutures-signals-observable", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJedimEmO%2Ffutures-signals-observable'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 257ea35d6835aa8ca2b2496903199f8451448b86 [INFO] checking JedimEmO/futures-signals-observable/257ea35d6835aa8ca2b2496903199f8451448b86 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJedimEmO%2Ffutures-signals-observable" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JedimEmO/futures-signals-observable 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 git repo https://github.com/JedimEmO/futures-signals-observable [INFO] finished tweaking git repo https://github.com/JedimEmO/futures-signals-observable [INFO] tweaked toml for git repo https://github.com/JedimEmO/futures-signals-observable written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JedimEmO/futures-signals-observable 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" "+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] 06bc45d7a112cf9589abee70876b1a3a9823b38100bae992641ee1155fecd3fb [INFO] running `Command { std: "docker" "start" "-a" "06bc45d7a112cf9589abee70876b1a3a9823b38100bae992641ee1155fecd3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06bc45d7a112cf9589abee70876b1a3a9823b38100bae992641ee1155fecd3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06bc45d7a112cf9589abee70876b1a3a9823b38100bae992641ee1155fecd3fb", kill_on_drop: false }` [INFO] [stdout] 06bc45d7a112cf9589abee70876b1a3a9823b38100bae992641ee1155fecd3fb [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] 76b8fa5174e028fafe48d9c5c42dc29b2689d7c4ac5501d91a93ab793110a2b3 [INFO] running `Command { std: "docker" "start" "-a" "76b8fa5174e028fafe48d9c5c42dc29b2689d7c4ac5501d91a93ab793110a2b3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling uuid v1.10.0 [INFO] [stderr] Checking quote v1.0.36 [INFO] [stderr] Checking syn v2.0.71 [INFO] [stderr] Checking futures-signals-observable-derive v0.1.0 (/opt/rustwide/workdir/crates/futures-signals-observable-derive) [INFO] [stdout] warning: unused import: `proc_macro2::TokenStream` [INFO] [stdout] --> crates/futures-signals-observable-derive/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use proc_macro2::TokenStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> crates/futures-signals-observable-derive/src/lib.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn derive_observable(tokens: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 17 | if let Ok(str) = syn::parse::(tokens.clone()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | / quote! { [INFO] [stdout] 31 | | impl futures_signals_observable::Observable for #struct_ident { [INFO] [stdout] 32 | | fn changed(&self) -> impl futures::Stream + Send + 'static { [INFO] [stdout] 33 | | futures::stream::select_all([ [INFO] [stdout] ... | [INFO] [stdout] 37 | | } [INFO] [stdout] 38 | | } [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] | |_________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] | |_________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] 98 | / quote! { [INFO] [stdout] 99 | | impl futures_signals_observable::Observable for #enum_ident { [INFO] [stdout] 100 | | fn changed(&self) -> impl futures::Stream + Send + 'static { [INFO] [stdout] 101 | | match self { [INFO] [stdout] ... | [INFO] [stdout] 105 | | } [INFO] [stdout] 106 | | } [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] | |_________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] | 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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-signals-observable-derive` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "76b8fa5174e028fafe48d9c5c42dc29b2689d7c4ac5501d91a93ab793110a2b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76b8fa5174e028fafe48d9c5c42dc29b2689d7c4ac5501d91a93ab793110a2b3", kill_on_drop: false }` [INFO] [stdout] 76b8fa5174e028fafe48d9c5c42dc29b2689d7c4ac5501d91a93ab793110a2b3