[INFO] fetching crate cao-lang 0.2.4... [INFO] checking cao-lang-0.2.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate cao-lang 0.2.4 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate cao-lang 0.2.4 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 cao-lang 0.2.4 [INFO] finished tweaking crates.io crate cao-lang 0.2.4 [INFO] tweaked toml for crates.io crate cao-lang 0.2.4 written to /workspace/builds/worker-0-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 119 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding matchers v0.1.0 (available: v0.2.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (available: v0.50.1) [INFO] [stderr] Adding regex-automata v0.1.10 (available: v0.4.7) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a597e00d071d9aaaaba338a1d31768958b1a345984015df5f6527dd6e7b25fbe [INFO] running `Command { std: "docker" "start" "-a" "a597e00d071d9aaaaba338a1d31768958b1a345984015df5f6527dd6e7b25fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a597e00d071d9aaaaba338a1d31768958b1a345984015df5f6527dd6e7b25fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a597e00d071d9aaaaba338a1d31768958b1a345984015df5f6527dd6e7b25fbe", kill_on_drop: false }` [INFO] [stdout] a597e00d071d9aaaaba338a1d31768958b1a345984015df5f6527dd6e7b25fbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e1a3001da8673dcfa7abf17be24cbe19ddc714327c3c6b6a80fc423d0e8234f [INFO] running `Command { std: "docker" "start" "-a" "9e1a3001da8673dcfa7abf17be24cbe19ddc714327c3c6b6a80fc423d0e8234f", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling bytemuck_derive v1.7.1 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling tracing-test-macro v0.2.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Checking bytemuck v1.18.0 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling serde_spanned v0.6.8 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling toml_edit v0.22.22 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking tracing-test v0.2.5 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Compiling toml v0.8.19 [INFO] [stderr] Compiling num_enum_derive v0.7.3 [INFO] [stderr] Compiling cao-lang v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking num_enum v0.7.3 [INFO] [stdout] error: this value of type `impl Iterator + '_` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/stdlib/tests.rs:164:27 [INFO] [stdout] | [INFO] [stdout] 152 | let compiled = compile(program, None).expect("Failed to compile"); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 153 | let mut vm = Vm::new(()).unwrap().with_max_iter(1000); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 164 | for (k, v) in o.iter() { [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 `impl Iterator + '_` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/vm/tests.rs:66:19 [INFO] [stdout] | [INFO] [stdout] 41 | let mut vm = Vm::new(()).unwrap(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | let mut vm = Vm::new(()).unwrap(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | for (k, v) in loaded_table.iter() { [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cao-lang` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Zip + '_, std::array::IntoIter<&str, 3>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/integration_tests.rs:1549:28 [INFO] [stdout] | [INFO] [stdout] 1484 | #[tracing_test::traced_test] [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] ... [INFO] [stdout] 1537 | let program = compile(cu, None).expect("compile"); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1538 | [INFO] [stdout] 1539 | let mut vm = Vm::new(()).unwrap(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1549 | for ((_, a), b) in result.iter().zip(["a", "b", "c"].into_iter()) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cao-lang` (test "integration_tests") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9e1a3001da8673dcfa7abf17be24cbe19ddc714327c3c6b6a80fc423d0e8234f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e1a3001da8673dcfa7abf17be24cbe19ddc714327c3c6b6a80fc423d0e8234f", kill_on_drop: false }` [INFO] [stdout] 9e1a3001da8673dcfa7abf17be24cbe19ddc714327c3c6b6a80fc423d0e8234f