[INFO] fetching crate egg 0.9.5... [INFO] checking egg-0.9.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate egg 0.9.5 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate egg 0.9.5 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate egg 0.9.5 [INFO] finished tweaking crates.io crate egg 0.9.5 [INFO] tweaked toml for crates.io crate egg 0.9.5 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding env_logger v0.9.3 (available: v0.11.5) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding ordered-float v3.9.2 (available: v4.3.0) [INFO] [stderr] Adding symbol_table v0.2.0 (available: v0.3.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da0721592b226787eea9144cb3b7a1973e3220c7c30717433c3985fe7d46ce56 [INFO] running `Command { std: "docker" "start" "-a" "da0721592b226787eea9144cb3b7a1973e3220c7c30717433c3985fe7d46ce56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da0721592b226787eea9144cb3b7a1973e3220c7c30717433c3985fe7d46ce56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da0721592b226787eea9144cb3b7a1973e3220c7c30717433c3985fe7d46ce56", kill_on_drop: false }` [INFO] [stdout] da0721592b226787eea9144cb3b7a1973e3220c7c30717433c3985fe7d46ce56 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db84510df1eca3244b0723a6e1d3c445a5f7da22ea91102d6b570fa703543d8f [INFO] running `Command { std: "docker" "start" "-a" "db84510df1eca3244b0723a6e1d3c445a5f7da22ea91102d6b570fa703543d8f", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking symbolic_expressions v5.0.3 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking symbol_table v0.2.0 [INFO] [stderr] Checking ordered-float v3.9.2 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Checking egg v0.9.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `hashbrown::HashSet<&L, BuildHasherDefault>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/eclass.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 57 | let mut leaves = self.leaves(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | self.leaves().collect::>() [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/egraph.rs:941:17 [INFO] [stdout] | [INFO] [stdout] 936 | let (cost, best) = Extractor::new(self, AstSize).find_best(id); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 941 | let matches = goal.search_eclass(self, id); [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 `hashbrown::HashSet<&L, BuildHasherDefault>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/eclass.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 57 | let mut leaves = self.leaves(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | self.leaves().collect::>() [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/egraph.rs:941:17 [INFO] [stdout] | [INFO] [stdout] 936 | let (cost, best) = Extractor::new(self, AstSize).find_best(id); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 941 | let matches = goal.search_eclass(self, id); [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 `(Option<&mut T>, Option)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/language.rs:794:11 [INFO] [stdout] | [INFO] [stdout] 792 | merge_fn: impl FnOnce(&mut T, T) -> DidMerge, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 793 | ) -> DidMerge { [INFO] [stdout] 794 | match (to.as_mut(), from) { [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 `hashbrown::HashSet<&L, BuildHasherDefault>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/machine.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 40 | mut f: impl FnMut(&L) -> Result, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | matching.clone().collect::>(), [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 `(Option<&mut T>, Option)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/language.rs:794:11 [INFO] [stdout] | [INFO] [stdout] 792 | merge_fn: impl FnOnce(&mut T, T) -> DidMerge, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 793 | ) -> DidMerge { [INFO] [stdout] 794 | match (to.as_mut(), from) { [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 `hashbrown::HashSet<&L, BuildHasherDefault>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/machine.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 40 | mut f: impl FnMut(&L) -> Result, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | matching.clone().collect::>(), [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 `pattern::SearchMatches<'_, language::SymbolLang>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/pattern.rs:515:17 [INFO] [stdout] | [INFO] [stdout] 490 | let rules: Vec> = vec![ [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 494 | let runner = Runner::default().with_expr(init_expr).run(&rules); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 499 | let pat = &"(+ ?x (+ ?y ?z))".parse::>().unwrap(); [INFO] [stdout] | ------------------------------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 500 | let m = pat.search(egraph); [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 510 | let m = pat.search_eclass(egraph, id).unwrap(); [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 515 | let m1 = pat.search_eclass_with_limit(egraph, id, limit).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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `egg` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `egg` (lib test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "db84510df1eca3244b0723a6e1d3c445a5f7da22ea91102d6b570fa703543d8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db84510df1eca3244b0723a6e1d3c445a5f7da22ea91102d6b570fa703543d8f", kill_on_drop: false }` [INFO] [stdout] db84510df1eca3244b0723a6e1d3c445a5f7da22ea91102d6b570fa703543d8f