[INFO] fetching crate flat_enum_macro 0.1.0... [INFO] checking flat_enum_macro-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate flat_enum_macro 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate flat_enum_macro 0.1.0 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 flat_enum_macro 0.1.0 [INFO] finished tweaking crates.io crate flat_enum_macro 0.1.0 [INFO] tweaked toml for crates.io crate flat_enum_macro 0.1.0 written to /workspace/builds/worker-3-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 14 packages to latest compatible versions [INFO] [stderr] Adding derive-syn-parse v0.1.5 (latest: v0.2.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding template-quote v0.3.1 (latest: v0.4.0) [INFO] [stderr] Adding template-quote-impl v0.3.1 (latest: v0.4.0) [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] df380ad813b4ba1e87baeb4f18b1e48e24d2ac5f0d3b783766fb0b5b0dcfe5cf [INFO] running `Command { std: "docker" "start" "-a" "df380ad813b4ba1e87baeb4f18b1e48e24d2ac5f0d3b783766fb0b5b0dcfe5cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df380ad813b4ba1e87baeb4f18b1e48e24d2ac5f0d3b783766fb0b5b0dcfe5cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df380ad813b4ba1e87baeb4f18b1e48e24d2ac5f0d3b783766fb0b5b0dcfe5cf", kill_on_drop: false }` [INFO] [stdout] df380ad813b4ba1e87baeb4f18b1e48e24d2ac5f0d3b783766fb0b5b0dcfe5cf [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] 10f0972436ef217045f86c8fd786b84d1de59e8bd6172b19d5e1545327161a43 [INFO] running `Command { std: "docker" "start" "-a" "10f0972436ef217045f86c8fd786b84d1de59e8bd6172b19d5e1545327161a43", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking proc-macro-error v1.0.4 [INFO] [stderr] Compiling proc-quote-impl v0.3.2 [INFO] [stderr] Checking proc-quote v0.4.0 [INFO] [stderr] Compiling template-quote-impl v0.3.1 [INFO] [stderr] Compiling derive-syn-parse v0.1.5 [INFO] [stderr] Checking template-quote v0.3.1 [INFO] [stderr] Checking flat_enum_macro v0.1.0 (/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:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn flat_target(input: TokenStream) -> TokenStream { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | derive_macro::flat_target(parse_macro_input!(input as ItemEnum)).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] = 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:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn into_flat(attr: TokenStream, 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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 19 | / attr_into_flat::into_flat( [INFO] [stdout] 20 | | parse_macro_input!(attr), [INFO] [stdout] 21 | | parse_macro_input!(input as ItemEnum), [INFO] [stdout] 22 | | ) [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: 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:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn flat_target(input: TokenStream) -> TokenStream { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | derive_macro::flat_target(parse_macro_input!(input as ItemEnum)).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] = 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:29:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn flat(attr: TokenStream, 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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | / attr_flat::flat( [INFO] [stdout] 30 | | parse_macro_input!(attr), [INFO] [stdout] 31 | | parse_macro_input!(input as ItemEnum), [INFO] [stdout] 32 | | ) [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: 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:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn into_flat(attr: TokenStream, 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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 19 | / attr_into_flat::into_flat( [INFO] [stdout] 20 | | parse_macro_input!(attr), [INFO] [stdout] 21 | | parse_macro_input!(input as ItemEnum), [INFO] [stdout] 22 | | ) [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: 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:29:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn flat(attr: TokenStream, 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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | / attr_flat::flat( [INFO] [stdout] 30 | | parse_macro_input!(attr), [INFO] [stdout] 31 | | parse_macro_input!(input as ItemEnum), [INFO] [stdout] 32 | | ) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/util.rs:66:35 [INFO] [stdout] | [INFO] [stdout] 46 | let mut args = Punctuated::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | PathArguments::AngleBracketed(AngleBracketedGenericArguments { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 67 | | colon2_token: None, [INFO] [stdout] 68 | | lt_token: generics.lt_token.unwrap_or(Default::default()), [INFO] [stdout] 69 | | args, [INFO] [stdout] 70 | | gt_token: generics.gt_token.unwrap_or(Default::default()), [INFO] [stdout] 71 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/util.rs:66:35 [INFO] [stdout] | [INFO] [stdout] 46 | let mut args = Punctuated::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | PathArguments::AngleBracketed(AngleBracketedGenericArguments { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 67 | | colon2_token: None, [INFO] [stdout] 68 | | lt_token: generics.lt_token.unwrap_or(Default::default()), [INFO] [stdout] 69 | | args, [INFO] [stdout] 70 | | gt_token: generics.gt_token.unwrap_or(Default::default()), [INFO] [stdout] 71 | | }) [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `flat_enum_macro` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `flat_enum_macro` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "10f0972436ef217045f86c8fd786b84d1de59e8bd6172b19d5e1545327161a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10f0972436ef217045f86c8fd786b84d1de59e8bd6172b19d5e1545327161a43", kill_on_drop: false }` [INFO] [stdout] 10f0972436ef217045f86c8fd786b84d1de59e8bd6172b19d5e1545327161a43