[INFO] fetching crate serialize-to-javascript-impl 0.1.2... [INFO] checking serialize-to-javascript-impl-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate serialize-to-javascript-impl 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate serialize-to-javascript-impl 0.1.2 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 serialize-to-javascript-impl 0.1.2 [INFO] finished tweaking crates.io crate serialize-to-javascript-impl 0.1.2 [INFO] tweaked toml for crates.io crate serialize-to-javascript-impl 0.1.2 written to /workspace/builds/worker-2-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5a91e8b4c3251d26129f911a771446142acd82e18d2e389c21a797e8ff3fc723 [INFO] running `Command { std: "docker" "start" "-a" "5a91e8b4c3251d26129f911a771446142acd82e18d2e389c21a797e8ff3fc723", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a91e8b4c3251d26129f911a771446142acd82e18d2e389c21a797e8ff3fc723", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a91e8b4c3251d26129f911a771446142acd82e18d2e389c21a797e8ff3fc723", kill_on_drop: false }` [INFO] [stdout] 5a91e8b4c3251d26129f911a771446142acd82e18d2e389c21a797e8ff3fc723 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f689efd3ce8bc6737a02e83c1b967c203d7d937232a2aeb9f54015776634effa [INFO] running `Command { std: "docker" "start" "-a" "f689efd3ce8bc6737a02e83c1b967c203d7d937232a2aeb9f54015776634effa", kill_on_drop: false }` [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking serialize-to-javascript-impl v0.1.2 (/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:40:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn derive_template(item: TokenStream) -> TokenStream { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | let item = parse_macro_input!(item as syn::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] 38 | let item_span = item.span(); [INFO] [stdout] 39 | let name = item.ident; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | / match item.data { [INFO] [stdout] 41 | | syn::Data::Struct(data) => { [INFO] [stdout] 42 | | let (impl_generics, ty_generics, _) = item.generics.split_for_impl(); [INFO] [stdout] 43 | | let mut replacements = TokenStream2::new(); [INFO] [stdout] ... | [INFO] [stdout] 115 | | } [INFO] [stdout] 116 | | } [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:40:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn derive_template(item: TokenStream) -> TokenStream { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | let item = parse_macro_input!(item as syn::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] 38 | let item_span = item.span(); [INFO] [stdout] 39 | let name = item.ident; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | / match item.data { [INFO] [stdout] 41 | | syn::Data::Struct(data) => { [INFO] [stdout] 42 | | let (impl_generics, ty_generics, _) = item.generics.split_for_impl(); [INFO] [stdout] 43 | | let mut replacements = TokenStream2::new(); [INFO] [stdout] ... | [INFO] [stdout] 115 | | } [INFO] [stdout] 116 | | } [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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serialize-to-javascript-impl` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `serialize-to-javascript-impl` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f689efd3ce8bc6737a02e83c1b967c203d7d937232a2aeb9f54015776634effa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f689efd3ce8bc6737a02e83c1b967c203d7d937232a2aeb9f54015776634effa", kill_on_drop: false }` [INFO] [stdout] f689efd3ce8bc6737a02e83c1b967c203d7d937232a2aeb9f54015776634effa