[INFO] fetching crate static-regular-grammar 2.0.2... [INFO] checking static-regular-grammar-2.0.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate static-regular-grammar 2.0.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate static-regular-grammar 2.0.2 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 static-regular-grammar 2.0.2 [INFO] finished tweaking crates.io crate static-regular-grammar 2.0.2 [INFO] tweaked toml for crates.io crate static-regular-grammar 2.0.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate static-regular-grammar 2.0.2 already has a lockfile, it will not be regenerated [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 75e74c03cd1aeadad41caf50bc14a62c062cba70974c16bd719ea0d485786d12 [INFO] running `Command { std: "docker" "start" "-a" "75e74c03cd1aeadad41caf50bc14a62c062cba70974c16bd719ea0d485786d12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75e74c03cd1aeadad41caf50bc14a62c062cba70974c16bd719ea0d485786d12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75e74c03cd1aeadad41caf50bc14a62c062cba70974c16bd719ea0d485786d12", kill_on_drop: false }` [INFO] [stdout] 75e74c03cd1aeadad41caf50bc14a62c062cba70974c16bd719ea0d485786d12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 35f2559ece81498a65b69b5ba8b010f6637a4af467a6a460d550351865831715 [INFO] running `Command { std: "docker" "start" "-a" "35f2559ece81498a65b69b5ba8b010f6637a4af467a6a460d550351865831715", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking half v2.4.0 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking range-traits v0.3.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking cc-traits v2.0.0 [INFO] [stderr] Compiling indoc v2.0.4 [INFO] [stderr] Checking btree-slab v0.6.1 [INFO] [stderr] Compiling cpufeatures v0.2.12 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking hex_fmt v0.3.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.51 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Checking abnf-core v0.5.0 [INFO] [stderr] Checking abnf v0.13.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking btree-range-map v0.7.2 [INFO] [stderr] Checking static-regular-grammar v2.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/utils/automaton.rs:301:74 [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/utils/automaton.rs:301:74 [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/utils/automaton.rs:301:74 [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `syn::punctuated::Iter<'_, GenericParam>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:344:8 [INFO] [stdout] | [INFO] [stdout] 343 | fn generate_regular_grammar(input: DeriveInput) -> Result { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 344 | match input.generics.params.iter().next() { [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::punctuated::Iter<'_, GenericParam>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:344:8 [INFO] [stdout] | [INFO] [stdout] 343 | fn generate_regular_grammar(input: DeriveInput) -> Result { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 344 | match input.generics.params.iter().next() { [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] [stderr] error: could not compile `static-regular-grammar` (lib) 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] [stderr] error: could not compile `static-regular-grammar` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stdout] error: this value of type `syn::punctuated::Iter<'_, GenericParam>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:344:8 [INFO] [stdout] | [INFO] [stdout] 343 | fn generate_regular_grammar(input: DeriveInput) -> Result { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 344 | match input.generics.params.iter().next() { [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] [stderr] error: could not compile `static-regular-grammar` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "35f2559ece81498a65b69b5ba8b010f6637a4af467a6a460d550351865831715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35f2559ece81498a65b69b5ba8b010f6637a4af467a6a460d550351865831715", kill_on_drop: false }` [INFO] [stdout] 35f2559ece81498a65b69b5ba8b010f6637a4af467a6a460d550351865831715