[INFO] fetching crate variantly 0.4.0... [INFO] checking variantly-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate variantly 0.4.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate variantly 0.4.0 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 variantly 0.4.0 [INFO] finished tweaking crates.io crate variantly 0.4.0 [INFO] tweaked toml for crates.io crate variantly 0.4.0 written to /workspace/builds/worker-7-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 23 packages to latest compatible versions [INFO] [stderr] Adding darling v0.11.0 (latest: v0.20.10) [INFO] [stderr] Adding darling_core v0.11.0 (latest: v0.20.10) [INFO] [stderr] Adding darling_macro v0.11.0 (latest: v0.20.10) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 75f6768cbbd34f26717082f76a5abf39605f52fda47c64e9d7c090ca1c8cdeb9 [INFO] running `Command { std: "docker" "start" "-a" "75f6768cbbd34f26717082f76a5abf39605f52fda47c64e9d7c090ca1c8cdeb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75f6768cbbd34f26717082f76a5abf39605f52fda47c64e9d7c090ca1c8cdeb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75f6768cbbd34f26717082f76a5abf39605f52fda47c64e9d7c090ca1c8cdeb9", kill_on_drop: false }` [INFO] [stdout] 75f6768cbbd34f26717082f76a5abf39605f52fda47c64e9d7c090ca1c8cdeb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ab2823942fbbb425ebce0da4d90fee65d7e0f0914cc05c31acd3a8ba47f6ea39 [INFO] running `Command { std: "docker" "start" "-a" "ab2823942fbbb425ebce0da4d90fee65d7e0f0914cc05c31acd3a8ba47f6ea39", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Checking darling_core v0.11.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Compiling darling_macro v0.11.0 [INFO] [stderr] Checking darling v0.11.0 [INFO] [stderr] Checking variantly v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `ident`, `attrs`, and `vis` are never read [INFO] [stdout] --> src/input.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FieldParsed { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 21 | pub ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | pub ty: Type, [INFO] [stdout] 23 | pub attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub vis: Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldParsed` has a derived impl for the trait `Debug`, 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:625:5 [INFO] [stdout] | [INFO] [stdout] 623 | pub fn variantly(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 624 | let item_enum = parse_macro_input!(input as ItemEnum); [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] 625 | derive_variantly_fns(item_enum).unwrap_or_else(|err| err.into_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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ident`, `attrs`, and `vis` are never read [INFO] [stdout] --> src/input.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FieldParsed { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 21 | pub ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | pub ty: Type, [INFO] [stdout] 23 | pub attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub vis: Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldParsed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ident`, `attrs`, and `vis` are never read [INFO] [stdout] --> src/input.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FieldParsed { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 21 | pub ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | pub ty: Type, [INFO] [stdout] 23 | pub attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub vis: Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldParsed` has a derived impl for the trait `Debug`, 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:625:5 [INFO] [stdout] | [INFO] [stdout] 623 | pub fn variantly(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 624 | let item_enum = parse_macro_input!(input as ItemEnum); [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] 625 | derive_variantly_fns(item_enum).unwrap_or_else(|err| err.into_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:625:5 [INFO] [stdout] | [INFO] [stdout] 623 | pub fn variantly(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 624 | let item_enum = parse_macro_input!(input as ItemEnum); [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] 625 | derive_variantly_fns(item_enum).unwrap_or_else(|err| err.into_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] [stderr] error: could not compile `variantly` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `variantly` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] error: could not compile `variantly` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "ab2823942fbbb425ebce0da4d90fee65d7e0f0914cc05c31acd3a8ba47f6ea39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab2823942fbbb425ebce0da4d90fee65d7e0f0914cc05c31acd3a8ba47f6ea39", kill_on_drop: false }` [INFO] [stdout] ab2823942fbbb425ebce0da4d90fee65d7e0f0914cc05c31acd3a8ba47f6ea39