[INFO] cloning repository https://github.com/Harmful-Alchemist/rukanren [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Harmful-Alchemist/rukanren" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarmful-Alchemist%2Frukanren", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarmful-Alchemist%2Frukanren'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ee3ab02f4ca881467d136a68171907f3b9072e2b [INFO] checking Harmful-Alchemist/rukanren/ee3ab02f4ca881467d136a68171907f3b9072e2b against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarmful-Alchemist%2Frukanren" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Harmful-Alchemist/rukanren 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 git repo https://github.com/Harmful-Alchemist/rukanren [INFO] finished tweaking git repo https://github.com/Harmful-Alchemist/rukanren [INFO] tweaked toml for git repo https://github.com/Harmful-Alchemist/rukanren written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Harmful-Alchemist/rukanren 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 49681c1c1c8d55566ff057c3b00c3bd15a9de072443a1560480e32a76eb791f0 [INFO] running `Command { std: "docker" "start" "-a" "49681c1c1c8d55566ff057c3b00c3bd15a9de072443a1560480e32a76eb791f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49681c1c1c8d55566ff057c3b00c3bd15a9de072443a1560480e32a76eb791f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49681c1c1c8d55566ff057c3b00c3bd15a9de072443a1560480e32a76eb791f0", kill_on_drop: false }` [INFO] [stdout] 49681c1c1c8d55566ff057c3b00c3bd15a9de072443a1560480e32a76eb791f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c8bcbbc6219cbbb3c05ff7e0ee6c225eb5af10a296e929248c3a7fc421a021c3 [INFO] running `Command { std: "docker" "start" "-a" "c8bcbbc6219cbbb3c05ff7e0ee6c225eb5af10a296e929248c3a7fc421a021c3", kill_on_drop: false }` [INFO] [stderr] Checking ukanren v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Ref<'_, Term>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:496:17 [INFO] [stdout] | [INFO] [stdout] 492 | fn walk_star(x: Rc>>, s: Substitution) -> Vec> [INFO] [stdout] | - - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 496 | match walk(&x.borrow(), s.clone()) { [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 `RefMut<'_, dyn Iterator, Term>, i32)>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:618:9 [INFO] [stdout] | [INFO] [stdout] 614 | let eq = Eq_ { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 618 | / eq.from_state(self.s.clone(), self.c.clone()) [INFO] [stdout] 619 | | .borrow_mut() [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 `Ref<'_, Term>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:496:17 [INFO] [stdout] | [INFO] [stdout] 492 | fn walk_star(x: Rc>>, s: Substitution) -> Vec> [INFO] [stdout] | - - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 496 | match walk(&x.borrow(), s.clone()) { [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: function `reify_state` is never used [INFO] [stdout] --> src/main.rs:479:4 [INFO] [stdout] | [INFO] [stdout] 479 | fn reify_state((s, _c): (Substitution, i32)) -> Vec> [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `walk_star` is never used [INFO] [stdout] --> src/main.rs:492:4 [INFO] [stdout] | [INFO] [stdout] 492 | fn walk_star(x: Rc>>, s: Substitution) -> Vec> [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `RefMut<'_, dyn Iterator, Term>, i32)>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:618:9 [INFO] [stdout] | [INFO] [stdout] 614 | let eq = Eq_ { [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 618 | / eq.from_state(self.s.clone(), self.c.clone()) [INFO] [stdout] 619 | | .borrow_mut() [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: function `reify_state` is never used [INFO] [stdout] --> src/main.rs:479:4 [INFO] [stdout] | [INFO] [stdout] 479 | fn reify_state((s, _c): (Substitution, i32)) -> Vec> [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `walk_star` is never used [INFO] [stdout] --> src/main.rs:492:4 [INFO] [stdout] | [INFO] [stdout] 492 | fn walk_star(x: Rc>>, s: Substitution) -> Vec> [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ukanren` (bin "ukanren") due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ukanren` (bin "ukanren" test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c8bcbbc6219cbbb3c05ff7e0ee6c225eb5af10a296e929248c3a7fc421a021c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8bcbbc6219cbbb3c05ff7e0ee6c225eb5af10a296e929248c3a7fc421a021c3", kill_on_drop: false }` [INFO] [stdout] c8bcbbc6219cbbb3c05ff7e0ee6c225eb5af10a296e929248c3a7fc421a021c3