[INFO] fetching crate ukanren 0.0.5...
[INFO] checking ukanren-0.0.5 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate ukanren 0.0.5 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ukanren 0.0.5 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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 itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rpds v0.9.0 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2104c34521c2aaa1bc86e883d5997cca3f3d020ea551994ebf7c65d83c8f6e9a
[INFO] running `Command { std: "docker" "start" "-a" "2104c34521c2aaa1bc86e883d5997cca3f3d020ea551994ebf7c65d83c8f6e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2104c34521c2aaa1bc86e883d5997cca3f3d020ea551994ebf7c65d83c8f6e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2104c34521c2aaa1bc86e883d5997cca3f3d020ea551994ebf7c65d83c8f6e9a", kill_on_drop: false }`
[INFO] [stdout] 2104c34521c2aaa1bc86e883d5997cca3f3d020ea551994ebf7c65d83c8f6e9a
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c941a42eafdc0d6e4be559c2959401c7cd916f1d39b52d75bff5c6c144b47adc
[INFO] running `Command { std: "docker" "start" "-a" "c941a42eafdc0d6e4be559c2959401c7cd916f1d39b52d75bff5c6c144b47adc", kill_on_drop: false }`
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rpds v0.9.0
[INFO] [stderr]     Checking ukanren v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0700]: hidden type for `impl std::iter::Iterator<Item = ukanren::State>` captures lifetime that does not appear in bounds
[INFO] [stdout]   --> tests/goals.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn inf(x: Value, n: i32) -> BoxedGoal<impl Iterator<Item = State>> {
[INFO] [stdout]    |                                           --------------------------- opaque type defined here
[INFO] [stdout] 24 |         eq(&x, &n).or(delay(move || inf(x.clone(), n))).boxed()
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: hidden type `itertools::adaptors::Interleave<std::option::IntoIter<ukanren::State>, Box<dyn std::iter::Iterator<Item = ukanren::State>>>` captures lifetime `'_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0700`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ukanren` (test "goals") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c941a42eafdc0d6e4be559c2959401c7cd916f1d39b52d75bff5c6c144b47adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c941a42eafdc0d6e4be559c2959401c7cd916f1d39b52d75bff5c6c144b47adc", kill_on_drop: false }`
[INFO] [stdout] c941a42eafdc0d6e4be559c2959401c7cd916f1d39b52d75bff5c6c144b47adc