[INFO] fetching crate stelar 0.1.3... [INFO] checking stelar-0.1.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate stelar 0.1.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate stelar 0.1.3 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] started tweaking crates.io crate stelar 0.1.3 [INFO] finished tweaking crates.io crate stelar 0.1.3 [INFO] tweaked toml for crates.io crate stelar 0.1.3 written to /workspace/builds/worker-6-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 36 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.5.2 (available: v0.7.6) [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] [stderr] Adding blake2b_simd v0.5.11 (available: v1.0.2) [INFO] [stderr] Adding constant_time_eq v0.1.5 (available: v0.3.1) [INFO] [stderr] Adding dirs v1.0.5 (available: v5.0.1) [INFO] [stderr] Adding encode_unicode v0.3.6 (available: v1.0.0) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding prettytable-rs v0.8.0 (available: v0.10.0) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding redox_users v0.3.5 (available: v0.4.6) [INFO] [stderr] Adding rust-argon2 v0.8.3 (available: v2.1.0) [INFO] [stderr] Adding term v0.5.2 (available: v1.0.0) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.9.0+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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] aba6a1ed883f6d7f56ecd60b85206f26a943b703317d0bbe7d5b70bb598652a3 [INFO] running `Command { std: "docker" "start" "-a" "aba6a1ed883f6d7f56ecd60b85206f26a943b703317d0bbe7d5b70bb598652a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aba6a1ed883f6d7f56ecd60b85206f26a943b703317d0bbe7d5b70bb598652a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aba6a1ed883f6d7f56ecd60b85206f26a943b703317d0bbe7d5b70bb598652a3", kill_on_drop: false }` [INFO] [stdout] aba6a1ed883f6d7f56ecd60b85206f26a943b703317d0bbe7d5b70bb598652a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 012eb20880cd5d3c1093e12cd3859355be70ba0a1f7a3af189c0e384651c1772 [INFO] running `Command { std: "docker" "start" "-a" "012eb20880cd5d3c1093e12cd3859355be70ba0a1f7a3af189c0e384651c1772", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking stelar v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking term v0.5.2 [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/parser.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | / self.state_stack [INFO] [stdout] 131 | | .split_off(self.state_stack.len() - rule.rhs.len()); [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 130 | let _ = self.state_stack [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stdout] error: this value of type `std::vec::IntoIter>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parse_table.rs:877:20 [INFO] [stdout] | [INFO] [stdout] 797 | let symbols = get_all_symbols(&extended_grammar); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 798 | let sets = generate_sets(extended_grammar[0].clone(), &folded, &symbols); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 877 | for set in expected_sets { [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] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/parser.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | / self.state_stack [INFO] [stdout] 131 | | .split_off(self.state_stack.len() - rule.rhs.len()); [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 130 | let _ = self.state_stack [INFO] [stdout] | +++++++ [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 `stelar` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "012eb20880cd5d3c1093e12cd3859355be70ba0a1f7a3af189c0e384651c1772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "012eb20880cd5d3c1093e12cd3859355be70ba0a1f7a3af189c0e384651c1772", kill_on_drop: false }` [INFO] [stdout] 012eb20880cd5d3c1093e12cd3859355be70ba0a1f7a3af189c0e384651c1772