[INFO] fetching crate indextree 4.8.0...
[INFO] testing indextree-4.8.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate indextree 4.8.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate indextree 4.8.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate indextree 4.8.0
[INFO] tweaked toml for crates.io crate indextree 4.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate indextree 4.8.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate indextree 4.8.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83a9f1db8925c8308d550fad4f5dcf61d4e1e6d4d90286fffacaa942f677deeb
[INFO] running `Command { std: "docker" "start" "-a" "83a9f1db8925c8308d550fad4f5dcf61d4e1e6d4d90286fffacaa942f677deeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a9f1db8925c8308d550fad4f5dcf61d4e1e6d4d90286fffacaa942f677deeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a9f1db8925c8308d550fad4f5dcf61d4e1e6d4d90286fffacaa942f677deeb", kill_on_drop: false }`
[INFO] [stdout] 83a9f1db8925c8308d550fad4f5dcf61d4e1e6d4d90286fffacaa942f677deeb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a470d6ef36cda40c6810f9e5a0d38cc0cefb63b41351cd1c8b5ca0e1a35fe1
[INFO] running `Command { std: "docker" "start" "-a" "43a470d6ef36cda40c6810f9e5a0d38cc0cefb63b41351cd1c8b5ca0e1a35fe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling indextree-macros v0.1.3
[INFO] [stderr]    Compiling indextree v4.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "43a470d6ef36cda40c6810f9e5a0d38cc0cefb63b41351cd1c8b5ca0e1a35fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a470d6ef36cda40c6810f9e5a0d38cc0cefb63b41351cd1c8b5ca0e1a35fe1", kill_on_drop: false }`
[INFO] [stdout] 43a470d6ef36cda40c6810f9e5a0d38cc0cefb63b41351cd1c8b5ca0e1a35fe1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039c997c2a804390ad993f7cde16d487ee7532ab007757b564611b09c8fb1bd3
[INFO] running `Command { std: "docker" "start" "-a" "039c997c2a804390ad993f7cde16d487ee7532ab007757b564611b09c8fb1bd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling indextree v4.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "039c997c2a804390ad993f7cde16d487ee7532ab007757b564611b09c8fb1bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039c997c2a804390ad993f7cde16d487ee7532ab007757b564611b09c8fb1bd3", kill_on_drop: false }`
[INFO] [stdout] 039c997c2a804390ad993f7cde16d487ee7532ab007757b564611b09c8fb1bd3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 515aa687a456373eab4bc9e045998e3ecd83d776fa040dbcccff87eb758c5fb2
[INFO] running `Command { std: "docker" "start" "-a" "515aa687a456373eab4bc9e045998e3ecd83d776fa040dbcccff87eb758c5fb2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/indextree-dc3ea57c80ea3b4f)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test arena::conserve_capacity ... ok
[INFO] [stdout] test arena::reuse_node ... ok
[INFO] [stdout] test id::tests::test_conversions ... ok
[INFO] [stdout] test id::tests::test_remove_subtree_complex ... ok
[INFO] [stdout] test arena::stamp_no_cycle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/debug_pretty_print.rs (/opt/rustwide/target/debug/deps/debug_pretty_print-71c4955c825eab30)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test debug_alternate ... ok
[INFO] [stdout] test display ... ok
[INFO] [stdout] test non_debug_printable_type ... ok
[INFO] [stdout] test display_alternate ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stderr]      Running tests/insert-error.rs (/opt/rustwide/target/debug/deps/insert_error-27d17b594c3fcbc8)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-06f5c7ea18e52fbc)
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test append_self ... ok
[INFO] [stdout] test insert_after_self ... ok
[INFO] [stdout] test prepend_self ... ok
[INFO] [stdout] test insert_before_self ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test as_slice ... ok
[INFO] [stdout] test detach_children_preserves_parent_position ... ok
[INFO] [stdout] test first_prepend ... ok
[INFO] [stdout] test children_reverse_iterator ... ok
[INFO] [stdout] test detach_children_single_child ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test following_siblings_reverse ... ok
[INFO] [stdout] test detach_children_no_children ... ok
[INFO] [stdout] test get_node_id_at ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test iter_node_ids ... ok
[INFO] [stdout] test last_child_accessor ... ok
[INFO] [stdout] test node_error_display ... ok
[INFO] [stdout] test predecessors ... ok
[INFO] [stdout] test insert_removed_node ... ok
[INFO] [stdout] test prepend_value ... ok
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test node_display ... ok
[INFO] [stdout] test panicking_wrappers ... ok
[INFO] [stdout] test preceding_siblings_reverse ... ok
[INFO] [stdout] test append_ancestor ... ok
[INFO] [stdout] test node_error_display_all_variants ... ok
[INFO] [stdout] test retrieve_node_id ... ok
[INFO] [stdout] test reverse_children ... ok
[INFO] [stdout] test remove_children_no_children ... ok
[INFO] [stdout] test remove_children_preserves_parent_position ... ok
[INFO] [stdout] test success_create ... ok
[INFO] [stdout] test success_detach ... ok
[INFO] [stdout] test reverse_traverse ... ok
[INFO] [stdout] test prepend_ancestor ... ok
[INFO] [stdout] test is_removed ... ok
[INFO] [stdout] test inaccessible_node - should panic ... ok
[INFO] [stdout] test reserve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/remove.rs (/opt/rustwide/target/debug/deps/remove-8b7edc71313e4a67)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test first_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_multiple_children ... ok
[INFO] [stdout] test toplevel_with_multiple_children ... ok
[INFO] [stdout] test middle_child_with_single_child ... ok
[INFO] [stdout] test toplevel_with_single_child ... ok
[INFO] [stdout] test single_child_with_no_children ... ok
[INFO] [stdout] test single_child_with_single_child ... ok
[INFO] [stdout] test last_child_with_no_children ... ok
[INFO] [stdout] test toplevel_with_no_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests indextree
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 214) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get_node_id (line 76) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 224) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::count (line 174) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get_node_id_at (line 108) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 279) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 267) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter_mut (line 335) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::new_node (line 139) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_append (line 638) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_before (line 1020) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::children (line 328) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::ancestors (line 136) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter_node_ids (line 305) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_after (line 924) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::append_value (line 679) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::debug_pretty_print (line 1315) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::parent (line 105) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::append_new_node_unchecked (line 717) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get_mut (line 247) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::following_siblings (line 293) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_prepend (line 830) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::is_empty (line 193) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::remove_children (line 1263) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::prepend (line 784) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_before (line 970) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::preceding_siblings (line 254) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_after (line 874) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::append (line 592) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::detach (line 523) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::predecessors (line 208) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::prepend_value (line 741) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 457) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 252) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 228) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::last_child (line 145) ... ok
[INFO] [stdout] test src/traverse.rs - traverse::NodeEdge::next_traverse (line 248) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::parent (line 89) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 198) ... ok
[INFO] [stdout] test src/traverse.rs - traverse::NodeEdge::next_traverse (line 284) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 174) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::remove (line 1066) ... ok
[INFO] [stdout] test src/traverse.rs - traverse::NodeEdge::prev_traverse (line 386) ... ok
[INFO] [stdout] test src/traverse.rs - traverse::NodeEdge::prev_traverse (line 349) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::predecessors (line 178) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::descendants (line 368) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::debug_pretty_print (line 1375) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::remove_subtree (line 1150) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 491) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::traverse (line 413) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::detach_children (line 1212) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::is_removed (line 281) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::first_child (line 117) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.09s; merged doctests compilation took 1.02s
[INFO] running `Command { std: "docker" "inspect" "515aa687a456373eab4bc9e045998e3ecd83d776fa040dbcccff87eb758c5fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515aa687a456373eab4bc9e045998e3ecd83d776fa040dbcccff87eb758c5fb2", kill_on_drop: false }`
[INFO] [stdout] 515aa687a456373eab4bc9e045998e3ecd83d776fa040dbcccff87eb758c5fb2