[INFO] fetching crate bittwiddler 0.0.2... [INFO] checking bittwiddler-0.0.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate bittwiddler 0.0.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate bittwiddler 0.0.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bittwiddler 0.0.2 [INFO] finished tweaking crates.io crate bittwiddler 0.0.2 [INFO] tweaked toml for crates.io crate bittwiddler 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding proc-macro2 v0.3.8 (available: v1.0.86) [INFO] [stderr] Adding quote v0.5.2 (available: v1.0.37) [INFO] [stderr] Adding syn v0.13.11 (available: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd4962dc71b49de34abc5340f109a41e5392c467eac5893ca9ac771cacb3b9bb [INFO] running `Command { std: "docker" "start" "-a" "fd4962dc71b49de34abc5340f109a41e5392c467eac5893ca9ac771cacb3b9bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd4962dc71b49de34abc5340f109a41e5392c467eac5893ca9ac771cacb3b9bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd4962dc71b49de34abc5340f109a41e5392c467eac5893ca9ac771cacb3b9bb", kill_on_drop: false }` [INFO] [stdout] fd4962dc71b49de34abc5340f109a41e5392c467eac5893ca9ac771cacb3b9bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e7d04c7711ee44f3bedfe48d9122120292e299e65fa56cf69628f27ba9e1a7f [INFO] running `Command { std: "docker" "start" "-a" "9e7d04c7711ee44f3bedfe48d9122120292e299e65fa56cf69628f27ba9e1a7f", kill_on_drop: false }` [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking proc-macro2 v0.3.8 [INFO] [stderr] Checking quote v0.5.2 [INFO] [stderr] Checking syn v0.13.11 [INFO] [stderr] Checking bittwiddler v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `(syn::Ident, Data)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:51:55 [INFO] [stdout] | [INFO] [stdout] 43 | let input: syn::DeriveInput = syn::parse(input).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | [INFO] [stdout] 45 | let bits_default: Option = parse_string_attr_helper(&input.attrs, "bits_default", [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 48 | let bits_errtype: Option = parse_string_attr_helper(&input.attrs, "bits_errtype", [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | if let (input_ident, syn::Data::Enum(dataenum)) = (input.ident, input.data) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | / quote! { [INFO] [stdout] 130 | | impl #input_ident { [INFO] [stdout] 131 | | pub fn decode(x: (#(#bools2),*)) -> Self { [INFO] [stdout] 132 | | match x { [INFO] [stdout] ... | [INFO] [stdout] 137 | | } [INFO] [stdout] 138 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_____________| [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 141 | / quote! { [INFO] [stdout] 142 | | impl #input_ident { [INFO] [stdout] 143 | | pub fn decode(x: (#(#bools2),*)) -> Result { [INFO] [stdout] 144 | | Ok(match x { [INFO] [stdout] ... | [INFO] [stdout] 149 | | } [INFO] [stdout] 150 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_____________| [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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: this value of type `(syn::Ident, Data)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:51:55 [INFO] [stdout] | [INFO] [stdout] 43 | let input: syn::DeriveInput = syn::parse(input).unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | [INFO] [stdout] 45 | let bits_default: Option = parse_string_attr_helper(&input.attrs, "bits_default", [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 48 | let bits_errtype: Option = parse_string_attr_helper(&input.attrs, "bits_errtype", [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | if let (input_ident, syn::Data::Enum(dataenum)) = (input.ident, input.data) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | / quote! { [INFO] [stdout] 130 | | impl #input_ident { [INFO] [stdout] 131 | | pub fn decode(x: (#(#bools2),*)) -> Self { [INFO] [stdout] 132 | | match x { [INFO] [stdout] ... | [INFO] [stdout] 137 | | } [INFO] [stdout] 138 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_____________| [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 141 | / quote! { [INFO] [stdout] 142 | | impl #input_ident { [INFO] [stdout] 143 | | pub fn decode(x: (#(#bools2),*)) -> Result { [INFO] [stdout] 144 | | Ok(match x { [INFO] [stdout] ... | [INFO] [stdout] 149 | | } [INFO] [stdout] 150 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_____________| [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `bittwiddler` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bittwiddler` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9e7d04c7711ee44f3bedfe48d9122120292e299e65fa56cf69628f27ba9e1a7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e7d04c7711ee44f3bedfe48d9122120292e299e65fa56cf69628f27ba9e1a7f", kill_on_drop: false }` [INFO] [stdout] 9e7d04c7711ee44f3bedfe48d9122120292e299e65fa56cf69628f27ba9e1a7f