[INFO] fetching crate zeroable_derive 0.2.0... [INFO] checking zeroable_derive-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate zeroable_derive 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate zeroable_derive 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 zeroable_derive 0.2.0 [INFO] finished tweaking crates.io crate zeroable_derive 0.2.0 [INFO] tweaked toml for crates.io crate zeroable_derive 0.2.0 written to /workspace/builds/worker-5-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 11 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.7.20 (latest: v1.1.3) [INFO] [stderr] Adding regex v1.2.1 (latest: v1.10.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2c5bad564754dbd5af8435497798d064905a561e476d3245af788c0e3bf8a2f4 [INFO] running `Command { std: "docker" "start" "-a" "2c5bad564754dbd5af8435497798d064905a561e476d3245af788c0e3bf8a2f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c5bad564754dbd5af8435497798d064905a561e476d3245af788c0e3bf8a2f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c5bad564754dbd5af8435497798d064905a561e476d3245af788c0e3bf8a2f4", kill_on_drop: false }` [INFO] [stdout] 2c5bad564754dbd5af8435497798d064905a561e476d3245af788c0e3bf8a2f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 316c67de1757977f46bb17d82d435df06eb1af951204f6362d300683fca77707 [INFO] running `Command { std: "docker" "start" "-a" "316c67de1757977f46bb17d82d435df06eb1af951204f6362d300683fca77707", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking zeroable_derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/zeroable_macro.rs:222:6 [INFO] [stdout] | [INFO] [stdout] 222 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/datastructure.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 132 | pub struct Struct<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 144 | pub name: &'a Ident, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Struct` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn derive_zeroable(input: TokenStream1) -> TokenStream1 { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 25 | parse_or_compile_err(input, zeroable_macro::derive).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:35:5 [INFO] [stdout] | [INFO] [stdout] 30 | fn parse_or_compile_err(input: TokenStream1, f: F) -> TokenStream2 [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] 35 | / syn::parse::

(input) [INFO] [stdout] 36 | | .and_then(f) [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/datastructure.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 221 | fn from_iter(p: StructParams<'a>, fields: I) -> Vec [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 225 | / fields [INFO] [stdout] 226 | | .into_iter() [INFO] [stdout] 227 | | .enumerate() [INFO] [stdout] 228 | | .map(|(pos, f)| { [INFO] [stdout] ... | [INFO] [stdout] 233 | | MyField::new(fi, f, p.name.span(), p.override_vis) [INFO] [stdout] 234 | | }) [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/zeroable_macro.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 175 | fn emit_field_assertions<'a, I>(fields: I) -> TokenStream2 [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 179 | / fields [INFO] [stdout] 180 | | .into_iter() [INFO] [stdout] 181 | | .map(|field| { [INFO] [stdout] 182 | | let ty = field.ty; [INFO] [stdout] ... | [INFO] [stdout] 185 | | ) [INFO] [stdout] 186 | | }) [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/zeroable_macro/attribute_parsing.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 39 | fn new(za: ZeroableAttrs<'a>) -> Result { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | let ZeroableAttrs { [INFO] [stdout] 41 | extra_predicates, [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 42 | unbounded_typarams, [INFO] [stdout] 43 | test_code, [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 52 | | extra_predicates, [INFO] [stdout] 53 | | unbounded_typarams, [INFO] [stdout] 54 | | test_code, [INFO] [stdout] ... | [INFO] [stdout] 59 | | _marker, [INFO] [stdout] 60 | | }) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zeroable_derive` (lib) due to 6 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "316c67de1757977f46bb17d82d435df06eb1af951204f6362d300683fca77707", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "316c67de1757977f46bb17d82d435df06eb1af951204f6362d300683fca77707", kill_on_drop: false }` [INFO] [stdout] 316c67de1757977f46bb17d82d435df06eb1af951204f6362d300683fca77707