[INFO] fetching crate blackboxmc_proc 0.5.1... [INFO] checking blackboxmc_proc-0.5.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate blackboxmc_proc 0.5.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate blackboxmc_proc 0.5.1 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 blackboxmc_proc 0.5.1 [INFO] finished tweaking crates.io crate blackboxmc_proc 0.5.1 [INFO] tweaked toml for crates.io crate blackboxmc_proc 0.5.1 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] Locking 10 packages to latest compatible versions [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] ef101d2b3487063253ae6111e38e9f74727546fa12de8a61b056b69a323f0d01 [INFO] running `Command { std: "docker" "start" "-a" "ef101d2b3487063253ae6111e38e9f74727546fa12de8a61b056b69a323f0d01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef101d2b3487063253ae6111e38e9f74727546fa12de8a61b056b69a323f0d01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef101d2b3487063253ae6111e38e9f74727546fa12de8a61b056b69a323f0d01", kill_on_drop: false }` [INFO] [stdout] ef101d2b3487063253ae6111e38e9f74727546fa12de8a61b056b69a323f0d01 [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] 0cbfb84acbefd252cafe38855f9d39887d4160a6c5158dcbcd681df66ef4615f [INFO] running `Command { std: "docker" "start" "-a" "0cbfb84acbefd252cafe38855f9d39887d4160a6c5158dcbcd681df66ef4615f", kill_on_drop: false }` [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Compiling proc-macro2-diagnostics v0.10.1 [INFO] [stderr] Checking semver v1.0.23 [INFO] [stderr] Checking rustc_version v0.4.1 [INFO] [stderr] Checking blackboxmc_proc v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Channel` and `version_meta` [INFO] [stdout] --> src/lib.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | use rustc_version::{version_meta, Channel}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Attribute`, `parse_macro_input`, and `self` [INFO] [stdout] --> src/lib.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | parse::{self, Parse, ParseStream}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | parse_macro_input, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | Attribute, ItemImpl, Receiver, Token, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Channel` and `version_meta` [INFO] [stdout] --> src/lib.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | use rustc_version::{version_meta, Channel}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 49 | / match extends_general( [INFO] [stdout] 50 | | ExtendType::from(attr.to_string().as_str()), [INFO] [stdout] 51 | | attr, [INFO] [stdout] 52 | | item.clone(), [INFO] [stdout] ... | [INFO] [stdout] 66 | | } [INFO] [stdout] 67 | | } [INFO] [stdout] | |_____- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 68 | item [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Attribute`, `parse_macro_input`, and `self` [INFO] [stdout] --> src/lib.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | parse::{self, Parse, ParseStream}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | parse_macro_input, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | Attribute, ItemImpl, Receiver, Token, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 49 | / match extends_general( [INFO] [stdout] 50 | | ExtendType::from(attr.to_string().as_str()), [INFO] [stdout] 51 | | attr, [INFO] [stdout] 52 | | item.clone(), [INFO] [stdout] ... | [INFO] [stdout] 66 | | } [INFO] [stdout] 67 | | } [INFO] [stdout] | |_____- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 68 | item [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `abstract_functions` [INFO] [stdout] --> src/lib.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | let abstract_functions = ExtendRequirements::from_type(&ty).abstract_functions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abstract_functions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `struct_name` [INFO] [stdout] --> src/lib.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | let struct_name = type_name(&*item.self_ty, false, false, false); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attr` [INFO] [stdout] --> src/lib.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 259 | attr: TokenStream, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_attr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `vars` is never read [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 16 | vars: HashSet, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `tab_executor` is never used [INFO] [stdout] --> src/lib.rs:678:8 [INFO] [stdout] | [INFO] [stdout] 427 | impl<'a> ExtendRequirements<'a> { [INFO] [stdout] | ------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 678 | fn tab_executor() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [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:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | let vars = Punctuated::::parse_terminated(input)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | Ok(Args { [INFO] [stdout] | ____________^ [INFO] [stdout] 24 | | vars: vars.into_iter().collect(), [INFO] [stdout] 25 | | }) [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/lib.rs:60:30 [INFO] [stdout] | [INFO] [stdout] 60 | .map(|f| f.clone().emit_as_item_tokens().to_string()) [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] warning: unused variable: `abstract_functions` [INFO] [stdout] --> src/lib.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | let abstract_functions = ExtendRequirements::from_type(&ty).abstract_functions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abstract_functions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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:254:8 [INFO] [stdout] | [INFO] [stdout] 208 | attr_: OriginalTokenStream, [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 209 | item_: OriginalTokenStream, [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 213 | let attr: TokenStream = attr_.into(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 214 | let item = match syn::parse::(item_) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 215 | Ok(data) => data, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 254 | Ok(basis.parse().unwrap()) [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 3 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `struct_name` [INFO] [stdout] --> src/lib.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | let struct_name = type_name(&*item.self_ty, false, false, false); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attr` [INFO] [stdout] --> src/lib.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 259 | attr: TokenStream, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_attr` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blackboxmc_proc` (lib test) due to 4 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `vars` is never read [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 16 | vars: HashSet, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `tab_executor` is never used [INFO] [stdout] --> src/lib.rs:678:8 [INFO] [stdout] | [INFO] [stdout] 427 | impl<'a> ExtendRequirements<'a> { [INFO] [stdout] | ------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 678 | fn tab_executor() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [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:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | let vars = Punctuated::::parse_terminated(input)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | Ok(Args { [INFO] [stdout] | ____________^ [INFO] [stdout] 24 | | vars: vars.into_iter().collect(), [INFO] [stdout] 25 | | }) [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/lib.rs:60:30 [INFO] [stdout] | [INFO] [stdout] 60 | .map(|f| f.clone().emit_as_item_tokens().to_string()) [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/lib.rs:254:8 [INFO] [stdout] | [INFO] [stdout] 208 | attr_: OriginalTokenStream, [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 209 | item_: OriginalTokenStream, [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 213 | let attr: TokenStream = attr_.into(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 214 | let item = match syn::parse::(item_) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 215 | Ok(data) => data, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 254 | Ok(basis.parse().unwrap()) [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 3 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blackboxmc_proc` (lib) due to 4 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0cbfb84acbefd252cafe38855f9d39887d4160a6c5158dcbcd681df66ef4615f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cbfb84acbefd252cafe38855f9d39887d4160a6c5158dcbcd681df66ef4615f", kill_on_drop: false }` [INFO] [stdout] 0cbfb84acbefd252cafe38855f9d39887d4160a6c5158dcbcd681df66ef4615f