[INFO] fetching crate anonymous-trait 0.1.3... [INFO] checking anonymous-trait-0.1.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate anonymous-trait 0.1.3 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate anonymous-trait 0.1.3 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 anonymous-trait 0.1.3 [INFO] finished tweaking crates.io crate anonymous-trait 0.1.3 [INFO] tweaked toml for crates.io crate anonymous-trait 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate anonymous-trait 0.1.3 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-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] 94f81f2a283868832d4183cb15ed8d91d76fb5a39bdcf24fc6457498ceac7b4f [INFO] running `Command { std: "docker" "start" "-a" "94f81f2a283868832d4183cb15ed8d91d76fb5a39bdcf24fc6457498ceac7b4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94f81f2a283868832d4183cb15ed8d91d76fb5a39bdcf24fc6457498ceac7b4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94f81f2a283868832d4183cb15ed8d91d76fb5a39bdcf24fc6457498ceac7b4f", kill_on_drop: false }` [INFO] [stdout] 94f81f2a283868832d4183cb15ed8d91d76fb5a39bdcf24fc6457498ceac7b4f [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] 5baafad229146b0b448ecfc152a81714c1a12e6ac7fd9608c00318e675ad4fff [INFO] running `Command { std: "docker" "start" "-a" "5baafad229146b0b448ecfc152a81714c1a12e6ac7fd9608c00318e675ad4fff", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking downcast v0.11.0 [INFO] [stderr] Checking fragile v2.0.0 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Checking syn v2.0.42 [INFO] [stderr] Checking predicates v3.0.4 [INFO] [stderr] Checking anonymous-trait v0.1.3 (/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/attr_syntax.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 14 | let expr: syn::ExprLet = input.parse()?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | let syn::Pat::Ident(pat_ident) = *expr.pat else { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 25 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 26 | | let_token: expr.let_token, [INFO] [stdout] 27 | | pat_ident, [INFO] [stdout] 28 | | eq_token: expr.eq_token, [INFO] [stdout] 29 | | expr: *expr.expr, [INFO] [stdout] 30 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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/impl_syntax.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 20 | let item_impl: syn::ItemImpl = input.parse()?; [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 21 | let Some((_, trait_, for_token)) = item_impl.trait_.clone() else { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 24 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 25 | | trait_, [INFO] [stdout] 26 | | for_token, [INFO] [stdout] 27 | | item_impl, [INFO] [stdout] 28 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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 `anonymous-trait` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5baafad229146b0b448ecfc152a81714c1a12e6ac7fd9608c00318e675ad4fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5baafad229146b0b448ecfc152a81714c1a12e6ac7fd9608c00318e675ad4fff", kill_on_drop: false }` [INFO] [stdout] 5baafad229146b0b448ecfc152a81714c1a12e6ac7fd9608c00318e675ad4fff