[INFO] fetching crate derive-com-impl 0.2.0... [INFO] checking derive-com-impl-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate derive-com-impl 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate derive-com-impl 0.2.0 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 derive-com-impl 0.2.0 [INFO] finished tweaking crates.io crate derive-com-impl 0.2.0 [INFO] tweaked toml for crates.io crate derive-com-impl 0.2.0 written to /workspace/builds/worker-0-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] Blocking waiting for file lock on package cache [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 v0.15.44 (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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4bc31523283ef6421883c3efba648685b7f9257aa05a0fe2914f459cbc38568a [INFO] running `Command { std: "docker" "start" "-a" "4bc31523283ef6421883c3efba648685b7f9257aa05a0fe2914f459cbc38568a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bc31523283ef6421883c3efba648685b7f9257aa05a0fe2914f459cbc38568a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bc31523283ef6421883c3efba648685b7f9257aa05a0fe2914f459cbc38568a", kill_on_drop: false }` [INFO] [stdout] 4bc31523283ef6421883c3efba648685b7f9257aa05a0fe2914f459cbc38568a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1daaee53c035e4306d2f138d4668fce849c9aba4a92b1a4583bf5ac0bead0efb [INFO] running `Command { std: "docker" "start" "-a" "1daaee53c035e4306d2f138d4668fce849c9aba4a92b1a4583bf5ac0bead0efb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Checking derive-com-impl v0.2.0 (/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:120:5 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn derive_com_impl(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 118 | let input = parse_macro_input!(input as 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] 119 | [INFO] [stdout] 120 | / derive::expand_derive_com_impl(&input) [INFO] [stdout] 121 | | .unwrap_or_else(compile_error) [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:166:5 [INFO] [stdout] | [INFO] [stdout] 162 | pub fn com_impl(attr: TokenStream, item: 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] 163 | let args = parse_macro_input!(attr as AttributeArgs); [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] 164 | let item = parse_macro_input!(item as Item); [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] 165 | [INFO] [stdout] 166 | / com_impl::expand_com_impl(&args, &item) [INFO] [stdout] 167 | | .unwrap_or_else(compile_error) [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/derive.rs:161:12 [INFO] [stdout] | [INFO] [stdout] 158 | let interfaces = Self::determine_interfaces(&input.attrs, fields, vtbl_member)?; [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 161 | Ok(ComImpl { [INFO] [stdout] | ____________^ [INFO] [stdout] 162 | | name, [INFO] [stdout] 163 | | vtbl_member, [INFO] [stdout] 164 | | refc_member, [INFO] [stdout] ... | [INFO] [stdout] 167 | | generics, [INFO] [stdout] 168 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/com_impl.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 103 | let com_vtbl = Self::com_vtbl(com_ty); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 104 | let com_ty_name = Self::com_ty_name(com_ty); [INFO] [stdout] 105 | let functions = ComFunction::parse_all(item)?; [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 108 | Ok(ComImpl { [INFO] [stdout] | ____________^ [INFO] [stdout] 109 | | has_parent, [INFO] [stdout] 110 | | self_ty, [INFO] [stdout] 111 | | com_ty, [INFO] [stdout] ... | [INFO] [stdout] 115 | | generics, [INFO] [stdout] 116 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/com_impl.rs:350:12 [INFO] [stdout] | [INFO] [stdout] 344 | let panic_behavior = Self::determine_panic_behavior(item)?; [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 350 | Ok(ComFunction { [INFO] [stdout] | ____________^ [INFO] [stdout] 351 | | is_mut, [INFO] [stdout] 352 | | is_unsafe, [INFO] [stdout] 353 | | com_name, [INFO] [stdout] ... | [INFO] [stdout] 358 | | body, [INFO] [stdout] 359 | | }) [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 5 previous errors [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:120:5 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn derive_com_impl(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 118 | let input = parse_macro_input!(input as 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] 119 | [INFO] [stdout] 120 | / derive::expand_derive_com_impl(&input) [INFO] [stdout] 121 | | .unwrap_or_else(compile_error) [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:166:5 [INFO] [stdout] | [INFO] [stdout] 162 | pub fn com_impl(attr: TokenStream, item: 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] 163 | let args = parse_macro_input!(attr as AttributeArgs); [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] 164 | let item = parse_macro_input!(item as Item); [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] 165 | [INFO] [stdout] 166 | / com_impl::expand_com_impl(&args, &item) [INFO] [stdout] 167 | | .unwrap_or_else(compile_error) [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] [stderr] error: could not compile `derive-com-impl` (lib) due to 6 previous errors [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/derive.rs:161:12 [INFO] [stdout] | [INFO] [stdout] 158 | let interfaces = Self::determine_interfaces(&input.attrs, fields, vtbl_member)?; [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 161 | Ok(ComImpl { [INFO] [stdout] | ____________^ [INFO] [stdout] 162 | | name, [INFO] [stdout] 163 | | vtbl_member, [INFO] [stdout] 164 | | refc_member, [INFO] [stdout] ... | [INFO] [stdout] 167 | | generics, [INFO] [stdout] 168 | | }) [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] [stderr] warning: build failed, waiting for other jobs to finish... [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/com_impl.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 103 | let com_vtbl = Self::com_vtbl(com_ty); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 104 | let com_ty_name = Self::com_ty_name(com_ty); [INFO] [stdout] 105 | let functions = ComFunction::parse_all(item)?; [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 108 | Ok(ComImpl { [INFO] [stdout] | ____________^ [INFO] [stdout] 109 | | has_parent, [INFO] [stdout] 110 | | self_ty, [INFO] [stdout] 111 | | com_ty, [INFO] [stdout] ... | [INFO] [stdout] 115 | | generics, [INFO] [stdout] 116 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/com_impl.rs:350:12 [INFO] [stdout] | [INFO] [stdout] 344 | let panic_behavior = Self::determine_panic_behavior(item)?; [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 350 | Ok(ComFunction { [INFO] [stdout] | ____________^ [INFO] [stdout] 351 | | is_mut, [INFO] [stdout] 352 | | is_unsafe, [INFO] [stdout] 353 | | com_name, [INFO] [stdout] ... | [INFO] [stdout] 358 | | body, [INFO] [stdout] 359 | | }) [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 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `derive-com-impl` (lib test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "1daaee53c035e4306d2f138d4668fce849c9aba4a92b1a4583bf5ac0bead0efb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1daaee53c035e4306d2f138d4668fce849c9aba4a92b1a4583bf5ac0bead0efb", kill_on_drop: false }` [INFO] [stdout] 1daaee53c035e4306d2f138d4668fce849c9aba4a92b1a4583bf5ac0bead0efb