[INFO] fetching crate z3d 0.1.0... [INFO] checking z3d-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate z3d 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate z3d 0.1.0 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 z3d 0.1.0 [INFO] finished tweaking crates.io crate z3d 0.1.0 [INFO] tweaked toml for crates.io crate z3d 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding z3 v0.4.0 (available: v0.12.1) [INFO] [stderr] Adding z3-sys v0.5.0 (available: v0.8.1) [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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a79d6888c935399029b1f1f134fe154fa58d235d06682101bf88d60c3ec4df97 [INFO] running `Command { std: "docker" "start" "-a" "a79d6888c935399029b1f1f134fe154fa58d235d06682101bf88d60c3ec4df97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a79d6888c935399029b1f1f134fe154fa58d235d06682101bf88d60c3ec4df97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a79d6888c935399029b1f1f134fe154fa58d235d06682101bf88d60c3ec4df97", kill_on_drop: false }` [INFO] [stdout] a79d6888c935399029b1f1f134fe154fa58d235d06682101bf88d60c3ec4df97 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d888cbb7836ba8a38bd55aabefaba0dd997a23e948f2392acb75dd954019bf07 [INFO] running `Command { std: "docker" "start" "-a" "d888cbb7836ba8a38bd55aabefaba0dd997a23e948f2392acb75dd954019bf07", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Checking z3-sys v0.5.0 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Compiling z3 v0.4.0 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking z3d v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `paren` is never read [INFO] [stdout] --> src/exp.rs:276:5 [INFO] [stdout] | [INFO] [stdout] 275 | pub struct ParenExpr { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 276 | paren: syn::token::Paren, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParenExpr` 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: field `brace` is never read [INFO] [stdout] --> src/exp.rs:302:5 [INFO] [stdout] | [INFO] [stdout] 301 | pub struct RustExpr { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 302 | brace: syn::token::Brace, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RustExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `LitInt` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exp.rs:608:23 [INFO] [stdout] | [INFO] [stdout] 606 | let parsed: Atom = syn::parse_str("3").unwrap(); [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] 607 | match parsed { [INFO] [stdout] 608 | Atom::Int(lit) => assert_eq!(lit.base10_digits(), "3"), [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: this value of type `syn::Ident` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exp.rs:626:25 [INFO] [stdout] | [INFO] [stdout] 624 | let parsed: Atom = syn::parse_str("something").unwrap(); [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] 625 | match parsed { [INFO] [stdout] 626 | Atom::Ident(ident) => assert_eq!(ident.to_string(), "something"), [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: this value of type `syn::Ident` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exp.rs:635:45 [INFO] [stdout] | [INFO] [stdout] 633 | let parsed: SimpleOperand = syn::parse_str("something").unwrap(); [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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 634 | match parsed { [INFO] [stdout] 635 | SimpleOperand::Atom(Atom::Ident(ident)) => assert_eq!(ident.to_string(), "something"), [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: this value of type `std::boxed::Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exp.rs:680:18 [INFO] [stdout] | [INFO] [stdout] 652 | let parsed: Expr = syn::parse_str("!(false == p) <-> (4 / -i)").unwrap(); [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] 653 | let (left, op, right) = assert_matches!(parsed, Expr::Binary(BinaryExpr { left, op, right }) => (left, op, right)); [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] | | 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] | | 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] | 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] 680 | let (left, op, right) = assert_matches!( [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: field `paren` is never read [INFO] [stdout] --> src/exp.rs:276:5 [INFO] [stdout] | [INFO] [stdout] 275 | pub struct ParenExpr { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 276 | paren: syn::token::Paren, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParenExpr` 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: field `brace` is never read [INFO] [stdout] --> src/exp.rs:302:5 [INFO] [stdout] | [INFO] [stdout] 301 | pub struct RustExpr { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 302 | brace: syn::token::Brace, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RustExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/exp.rs:860:14 [INFO] [stdout] | [INFO] [stdout] 860 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 860 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 859 | let rest: Vec = IntoIterator::into_iter(["arg3", "arg4", "arg5"]) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/exp.rs:899:14 [INFO] [stdout] | [INFO] [stdout] 899 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 899 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 898 | let rest: Vec = IntoIterator::into_iter(["arg3", "arg4", "arg5"]) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `z3d` (lib test) due to 5 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "d888cbb7836ba8a38bd55aabefaba0dd997a23e948f2392acb75dd954019bf07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d888cbb7836ba8a38bd55aabefaba0dd997a23e948f2392acb75dd954019bf07", kill_on_drop: false }` [INFO] [stdout] d888cbb7836ba8a38bd55aabefaba0dd997a23e948f2392acb75dd954019bf07