[INFO] cloning repository https://github.com/benkeil/rust-differ-from-spec [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benkeil/rust-differ-from-spec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenkeil%2Frust-differ-from-spec", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenkeil%2Frust-differ-from-spec'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24bdb69febb0d7f207de93929eb4db729bf8afa6 [INFO] checking benkeil/rust-differ-from-spec/24bdb69febb0d7f207de93929eb4db729bf8afa6 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenkeil%2Frust-differ-from-spec" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/benkeil/rust-differ-from-spec on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/benkeil/rust-differ-from-spec [INFO] finished tweaking git repo https://github.com/benkeil/rust-differ-from-spec [INFO] tweaked toml for git repo https://github.com/benkeil/rust-differ-from-spec written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/benkeil/rust-differ-from-spec 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ec4c7e07875386bdf341184013daa6407852ecbc1fa7c15164ed0ba29e54568 [INFO] running `Command { std: "docker" "start" "-a" "4ec4c7e07875386bdf341184013daa6407852ecbc1fa7c15164ed0ba29e54568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ec4c7e07875386bdf341184013daa6407852ecbc1fa7c15164ed0ba29e54568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ec4c7e07875386bdf341184013daa6407852ecbc1fa7c15164ed0ba29e54568", kill_on_drop: false }` [INFO] [stdout] 4ec4c7e07875386bdf341184013daa6407852ecbc1fa7c15164ed0ba29e54568 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f49ce5e72f498cae1396edbeb71863155daa60a72b5bf0b5f02dcc148cf03f01 [INFO] running `Command { std: "docker" "start" "-a" "f49ce5e72f498cae1396edbeb71863155daa60a72b5bf0b5f02dcc148cf03f01", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling differ-from-spec-derive v0.1.0 (/opt/rustwide/workdir/derive) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> derive/src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn differ_from_spec(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | let mut input = parse_macro_input!(input as DeriveInput); [INFO] [stdout] | ----- ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | / expand_derive_differ_from_spec(&mut input) [INFO] [stdout] 13 | | .unwrap_or_else(syn::Error::into_compile_error) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> derive/src/differ.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 13 | let path: Cow = Cow::Owned(parse_quote!(differ_from_spec)); [INFO] [stdout] | ---- ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 14 | [INFO] [stdout] 15 | let body = statements(&input.data); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 16 | [INFO] [stdout] 17 | let impl_block = quote! { [INFO] [stdout] | _________----------___- [INFO] [stdout] | |_________|____________| [INFO] [stdout] | |_________|____________| [INFO] [stdout] | |_________|____________| [INFO] [stdout] | |_________|____________| [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | | #[automatically_derived] [INFO] [stdout] 19 | | impl #impl_generics _differ_from_spec::DifferFromSpec for #ident #type_generics #where_clause { [INFO] [stdout] 20 | | fn differ_from_spec(&self, spec: &Self) -> bool { [INFO] [stdout] ... | [INFO] [stdout] 24 | | } [INFO] [stdout] 25 | | }; [INFO] [stdout] | | - [INFO] [stdout] | |_____| [INFO] [stdout] | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 26 | [INFO] [stdout] 27 | | Ok(wrap_in_const(path, impl_block)) [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 `differ-from-spec-derive` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "f49ce5e72f498cae1396edbeb71863155daa60a72b5bf0b5f02dcc148cf03f01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f49ce5e72f498cae1396edbeb71863155daa60a72b5bf0b5f02dcc148cf03f01", kill_on_drop: false }` [INFO] [stdout] f49ce5e72f498cae1396edbeb71863155daa60a72b5bf0b5f02dcc148cf03f01