[INFO] fetching crate ukanren 0.0.5...
[INFO] checking ukanren-0.0.5 against try#149edce6c6ee840adb602803b96d083101ef3592 for pr-133502-16
[INFO] extracting crate ukanren 0.0.5 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ukanren 0.0.5 on toolchain 149edce6c6ee840adb602803b96d083101ef3592
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "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" "+149edce6c6ee840adb602803b96d083101ef3592" "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: v1.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e02b071de03c5904d9607dc4a3cdc2efdf4510bd60b4bdf4ad54d8461f204d20
[INFO] running `Command { std: "docker" "start" "-a" "e02b071de03c5904d9607dc4a3cdc2efdf4510bd60b4bdf4ad54d8461f204d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e02b071de03c5904d9607dc4a3cdc2efdf4510bd60b4bdf4ad54d8461f204d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02b071de03c5904d9607dc4a3cdc2efdf4510bd60b4bdf4ad54d8461f204d20", kill_on_drop: false }`
[INFO] [stdout] e02b071de03c5904d9607dc4a3cdc2efdf4510bd60b4bdf4ad54d8461f204d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e5d1f82575d8817d61f87abd2fe2ed9fdd5087fca79c279ce03990a208567d3
[INFO] running `Command { std: "docker" "start" "-a" "5e5d1f82575d8817d61f87abd2fe2ed9fdd5087fca79c279ce03990a208567d3", kill_on_drop: false }`
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking either v1.15.0
[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[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" "5e5d1f82575d8817d61f87abd2fe2ed9fdd5087fca79c279ce03990a208567d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5d1f82575d8817d61f87abd2fe2ed9fdd5087fca79c279ce03990a208567d3", kill_on_drop: false }`
[INFO] [stdout] 5e5d1f82575d8817d61f87abd2fe2ed9fdd5087fca79c279ce03990a208567d3