[INFO] fetching crate diffus-derive 0.10.0... [INFO] checking diffus-derive-0.10.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate diffus-derive 0.10.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate diffus-derive 0.10.0 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 diffus-derive 0.10.0 [INFO] finished tweaking crates.io crate diffus-derive 0.10.0 [INFO] tweaked toml for crates.io crate diffus-derive 0.10.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d759b3a10084728edf10bcfcccd979b1d5f8d13939698e45264264cc713c00b0 [INFO] running `Command { std: "docker" "start" "-a" "d759b3a10084728edf10bcfcccd979b1d5f8d13939698e45264264cc713c00b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d759b3a10084728edf10bcfcccd979b1d5f8d13939698e45264264cc713c00b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d759b3a10084728edf10bcfcccd979b1d5f8d13939698e45264264cc713c00b0", kill_on_drop: false }` [INFO] [stdout] d759b3a10084728edf10bcfcccd979b1d5f8d13939698e45264264cc713c00b0 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3b4946440d07f472d38a9bbf1c8999b9bac08e5ea8fb4f4fc9da16201625a04 [INFO] running `Command { std: "docker" "start" "-a" "d3b4946440d07f472d38a9bbf1c8999b9bac08e5ea8fb4f4fc9da16201625a04", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking diffus-derive v0.10.0 (/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:153:35 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn derive_diffus(input: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 137 | let input: syn::DeriveInput = syn::parse2(proc_macro2::TokenStream::from(input)).unwrap(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 142 | let edited_ident = syn::parse_str::(&format!("Edited{}", ident)).unwrap(); [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 145 | let default_lifetime = syn::parse_str::("'diffus_a").unwrap(); [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 151 | let derive_serialize: Option = None; [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 152 | [INFO] [stdout] 153 | proc_macro::TokenStream::from(match input.data { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 154 | | syn::Data::Enum(syn::DataEnum { variants, .. }) => { [INFO] [stdout] 155 | | let edit_variants = variants.iter().map(|syn::Variant { ident, fields, .. }| { [INFO] [stdout] 156 | | let edit_fields = edit_fields(&fields, &impl_lifetime); [INFO] [stdout] ... | [INFO] [stdout] 346 | | syn::Data::Union(_) => panic!("union type not supported yet"), [INFO] [stdout] 347 | | }) [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 `diffus-derive` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:153:35 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn derive_diffus(input: proc_macro::TokenStream) -> proc_macro::TokenStream { [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 137 | let input: syn::DeriveInput = syn::parse2(proc_macro2::TokenStream::from(input)).unwrap(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 142 | let edited_ident = syn::parse_str::(&format!("Edited{}", ident)).unwrap(); [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 145 | let default_lifetime = syn::parse_str::("'diffus_a").unwrap(); [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 151 | let derive_serialize: Option = None; [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 152 | [INFO] [stdout] 153 | proc_macro::TokenStream::from(match input.data { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 154 | | syn::Data::Enum(syn::DataEnum { variants, .. }) => { [INFO] [stdout] 155 | | let edit_variants = variants.iter().map(|syn::Variant { ident, fields, .. }| { [INFO] [stdout] 156 | | let edit_fields = edit_fields(&fields, &impl_lifetime); [INFO] [stdout] ... | [INFO] [stdout] 346 | | syn::Data::Union(_) => panic!("union type not supported yet"), [INFO] [stdout] 347 | | }) [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 `diffus-derive` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d3b4946440d07f472d38a9bbf1c8999b9bac08e5ea8fb4f4fc9da16201625a04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3b4946440d07f472d38a9bbf1c8999b9bac08e5ea8fb4f4fc9da16201625a04", kill_on_drop: false }` [INFO] [stdout] d3b4946440d07f472d38a9bbf1c8999b9bac08e5ea8fb4f4fc9da16201625a04