[INFO] fetching crate ukanren 0.0.5... [INFO] checking ukanren-0.0.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ukanren 0.0.5 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ukanren 0.0.5 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] started tweaking crates.io crate ukanren 0.0.5 [INFO] finished tweaking crates.io crate ukanren 0.0.5 [INFO] tweaked toml for crates.io crate ukanren 0.0.5 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] [stderr] Adding archery v0.4.0 (available: v1.2.1) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding rpds v0.9.0 (available: v1.1.0) [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] [stderr] Blocking waiting for file lock on package cache [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] b9712e10221e6b9b8fcabab5d642c90194e8674b3e3a4eb320f3ff2e7e7aa4e8 [INFO] running `Command { std: "docker" "start" "-a" "b9712e10221e6b9b8fcabab5d642c90194e8674b3e3a4eb320f3ff2e7e7aa4e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9712e10221e6b9b8fcabab5d642c90194e8674b3e3a4eb320f3ff2e7e7aa4e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9712e10221e6b9b8fcabab5d642c90194e8674b3e3a4eb320f3ff2e7e7aa4e8", kill_on_drop: false }` [INFO] [stdout] b9712e10221e6b9b8fcabab5d642c90194e8674b3e3a4eb320f3ff2e7e7aa4e8 [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] 20d2e57d2fc831a8c6d12ac2f786cab078438a7de6a7b5db488704b1d43d9bc0 [INFO] running `Command { std: "docker" "start" "-a" "20d2e57d2fc831a8c6d12ac2f786cab078438a7de6a7b5db488704b1d43d9bc0", kill_on_drop: false }` [INFO] [stderr] Checking archery v0.4.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking rpds v0.9.0 [INFO] [stderr] Checking ukanren v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `(ukanren::Value, ukanren::Value)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/appendo.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 53 | .or(fresh(move |a: Value, d: Value, rd: Value| { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 54 | eq(&(a.clone(), d.clone()), &first) [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] [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] --> tests/goals.rs:29:20 [INFO] [stdout] | [INFO] [stdout] 27 | let mut iter = run(|x: Value| inf(x.clone(), 5).or(inf(x, 6))); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 28 | for _ in 0..10 { [INFO] [stdout] 29 | assert_eq!(iter.next(), Some(state![5])); [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] [stderr] error: could not compile `ukanren` (test "appendo") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ukanren` (test "goals") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "20d2e57d2fc831a8c6d12ac2f786cab078438a7de6a7b5db488704b1d43d9bc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20d2e57d2fc831a8c6d12ac2f786cab078438a7de6a7b5db488704b1d43d9bc0", kill_on_drop: false }` [INFO] [stdout] 20d2e57d2fc831a8c6d12ac2f786cab078438a7de6a7b5db488704b1d43d9bc0