[INFO] fetching crate ukanren 0.0.5...
[INFO] checking ukanren-0.0.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate ukanren 0.0.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ukanren 0.0.5 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 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-7-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 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d91478735340e81ca51e8cf66b2a2b4487a38d13e0b9b164043e17ea3ce3b23d
[INFO] running `Command { std: "docker" "start" "-a" "d91478735340e81ca51e8cf66b2a2b4487a38d13e0b9b164043e17ea3ce3b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d91478735340e81ca51e8cf66b2a2b4487a38d13e0b9b164043e17ea3ce3b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91478735340e81ca51e8cf66b2a2b4487a38d13e0b9b164043e17ea3ce3b23d", kill_on_drop: false }`
[INFO] [stdout] d91478735340e81ca51e8cf66b2a2b4487a38d13e0b9b164043e17ea3ce3b23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 81a4d83fa5e83fa526ccf8d90eef3144455a3d645880801fd347328ccd0a0559
[INFO] running `Command { std: "docker" "start" "-a" "81a4d83fa5e83fa526ccf8d90eef3144455a3d645880801fd347328ccd0a0559", kill_on_drop: false }`
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rpds v0.9.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ukanren v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<ukanren::State>` 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 <https://github.com/rust-lang/rust/issues/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 `(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 <https://github.com/rust-lang/rust/issues/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 `ukanren` (test "goals") 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 "appendo") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "81a4d83fa5e83fa526ccf8d90eef3144455a3d645880801fd347328ccd0a0559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a4d83fa5e83fa526ccf8d90eef3144455a3d645880801fd347328ccd0a0559", kill_on_drop: false }`
[INFO] [stdout] 81a4d83fa5e83fa526ccf8d90eef3144455a3d645880801fd347328ccd0a0559