[INFO] fetching crate serde_derive_default 0.1.1... [INFO] checking serde_derive_default-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate serde_derive_default 0.1.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate serde_derive_default 0.1.1 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 crates.io crate serde_derive_default 0.1.1 [INFO] finished tweaking crates.io crate serde_derive_default 0.1.1 [INFO] tweaked toml for crates.io crate serde_derive_default 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate serde_derive_default 0.1.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8fdac2db2bbb41cfcb24f2611bb016a9a401337644d18911f78d25f99e1de230 [INFO] running `Command { std: "docker" "start" "-a" "8fdac2db2bbb41cfcb24f2611bb016a9a401337644d18911f78d25f99e1de230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fdac2db2bbb41cfcb24f2611bb016a9a401337644d18911f78d25f99e1de230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fdac2db2bbb41cfcb24f2611bb016a9a401337644d18911f78d25f99e1de230", kill_on_drop: false }` [INFO] [stdout] 8fdac2db2bbb41cfcb24f2611bb016a9a401337644d18911f78d25f99e1de230 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ef6d57ee05702f993ace50cb720a3b1104acd69314e0a8ef2f28c9a7e36d510a [INFO] running `Command { std: "docker" "start" "-a" "ef6d57ee05702f993ace50cb720a3b1104acd69314e0a8ef2f28c9a7e36d510a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.68 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling thiserror v1.0.49 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Checking regex-syntax v0.8.0 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking hashbrown v0.14.1 [INFO] [stderr] Compiling trybuild v1.0.85 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking indexmap v2.0.2 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Checking syn v2.0.38 [INFO] [stderr] Checking regex-automata v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling thiserror-impl v1.0.49 [INFO] [stderr] Checking regex v1.10.0 [INFO] [stderr] Checking serde_derive_default v0.1.1 (/opt/rustwide/workdir) [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] --> src/lib.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn derive_default(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | let 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] 31 | [INFO] [stdout] 32 | match process_input(&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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 44 | let fields = fields [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 61 | let expanded = quote! { [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] 62 | | [INFO] [stdout] 63 | | impl Default for #ident { [INFO] [stdout] 64 | | fn default() -> Self { [INFO] [stdout] ... | [INFO] [stdout] 70 | | [INFO] [stdout] 71 | | }; [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] 72 | [INFO] [stdout] 73 | | Ok(expanded.into()) [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_derive_default` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ef6d57ee05702f993ace50cb720a3b1104acd69314e0a8ef2f28c9a7e36d510a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef6d57ee05702f993ace50cb720a3b1104acd69314e0a8ef2f28c9a7e36d510a", kill_on_drop: false }` [INFO] [stdout] ef6d57ee05702f993ace50cb720a3b1104acd69314e0a8ef2f28c9a7e36d510a