[INFO] fetching crate display_attr 0.1.1... [INFO] checking display_attr-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate display_attr 0.1.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate display_attr 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 display_attr 0.1.1 [INFO] finished tweaking crates.io crate display_attr 0.1.1 [INFO] tweaked toml for crates.io crate display_attr 0.1.1 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 5 packages to latest compatible versions [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding syn v0.14.9 (latest: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] f9a394ffbfc5d17ad6421dd3ea6009dbb423560e3787c75f23be2001be8cd1c8 [INFO] running `Command { std: "docker" "start" "-a" "f9a394ffbfc5d17ad6421dd3ea6009dbb423560e3787c75f23be2001be8cd1c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9a394ffbfc5d17ad6421dd3ea6009dbb423560e3787c75f23be2001be8cd1c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9a394ffbfc5d17ad6421dd3ea6009dbb423560e3787c75f23be2001be8cd1c8", kill_on_drop: false }` [INFO] [stdout] f9a394ffbfc5d17ad6421dd3ea6009dbb423560e3787c75f23be2001be8cd1c8 [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] 1fd1d971a6c9caaa42d581a0d4492055b027e65bd120f10dcb8cc0b5dd73edc7 [INFO] running `Command { std: "docker" "start" "-a" "1fd1d971a6c9caaa42d581a0d4492055b027e65bd120f10dcb8cc0b5dd73edc7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Checking syn v0.14.9 [INFO] [stderr] Checking display_attr 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:44:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn display_attr(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 43 | let ast = syn::parse(input).unwrap(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | codegen::gen_impl(ast).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:44:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn display_attr(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 43 | let ast = syn::parse(input).unwrap(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | codegen::gen_impl(ast).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/attr.rs:170:18 [INFO] [stdout] | [INFO] [stdout] 85 | fn from_nested_metas(path: Path, metas: I) -> DisplayAttribute [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] ... [INFO] [stdout] 90 | let mut args = Vec::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 170 | fmt: fmt.map(|fmt| (fmt, args)), [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/attr.rs:170:18 [INFO] [stdout] | [INFO] [stdout] 85 | fn from_nested_metas(path: Path, metas: I) -> DisplayAttribute [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] ... [INFO] [stdout] 90 | let mut args = Vec::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 170 | fmt: fmt.map(|fmt| (fmt, args)), [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] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `display_attr` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `display_attr` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "1fd1d971a6c9caaa42d581a0d4492055b027e65bd120f10dcb8cc0b5dd73edc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fd1d971a6c9caaa42d581a0d4492055b027e65bd120f10dcb8cc0b5dd73edc7", kill_on_drop: false }` [INFO] [stdout] 1fd1d971a6c9caaa42d581a0d4492055b027e65bd120f10dcb8cc0b5dd73edc7