[INFO] fetching crate id_tree 1.8.0...
[INFO] testing id_tree-1.8.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate id_tree 1.8.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate id_tree 1.8.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate id_tree 1.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate id_tree 1.8.0
[INFO] tweaked toml for crates.io crate id_tree 1.8.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate id_tree 1.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 700286f843a856eb4508475c234fb05ad58cb22234055e9eed17fd57085110ed
[INFO] running `Command { std: "docker" "start" "-a" "700286f843a856eb4508475c234fb05ad58cb22234055e9eed17fd57085110ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "700286f843a856eb4508475c234fb05ad58cb22234055e9eed17fd57085110ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700286f843a856eb4508475c234fb05ad58cb22234055e9eed17fd57085110ed", kill_on_drop: false }`
[INFO] [stdout] 700286f843a856eb4508475c234fb05ad58cb22234055e9eed17fd57085110ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 696a058f06424b0acd3e22bbf49444ca79d220707143b86cb86f4ee89ec58f39
[INFO] running `Command { std: "docker" "start" "-a" "696a058f06424b0acd3e22bbf49444ca79d220707143b86cb86f4ee89ec58f39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling id_tree v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "696a058f06424b0acd3e22bbf49444ca79d220707143b86cb86f4ee89ec58f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696a058f06424b0acd3e22bbf49444ca79d220707143b86cb86f4ee89ec58f39", kill_on_drop: false }`
[INFO] [stdout] 696a058f06424b0acd3e22bbf49444ca79d220707143b86cb86f4ee89ec58f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3ab7e83cb96d6e3e856d2678e4289b539b6ad4ec5f36c802b4ebefc879fefd5
[INFO] running `Command { std: "docker" "start" "-a" "b3ab7e83cb96d6e3e856d2678e4289b539b6ad4ec5f36c802b4ebefc879fefd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling id_tree v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "b3ab7e83cb96d6e3e856d2678e4289b539b6ad4ec5f36c802b4ebefc879fefd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ab7e83cb96d6e3e856d2678e4289b539b6ad4ec5f36c802b4ebefc879fefd5", kill_on_drop: false }`
[INFO] [stdout] b3ab7e83cb96d6e3e856d2678e4289b539b6ad4ec5f36c802b4ebefc879fefd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5658d2774ba64de21eb686c63ebcd3f6af99064e4a2c63ce6088a097d05991f2
[INFO] running `Command { std: "docker" "start" "-a" "5658d2774ba64de21eb686c63ebcd3f6af99064e4a2c63ce6088a097d05991f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/id_tree-4e03326c70886870)
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test iterators::tests::test_ancestor_ids ... ok
[INFO] [stdout] test iterators::tests::test_ancestors ... ok
[INFO] [stdout] test iterators::tests::test_ancestor_ids_clone ... ok
[INFO] [stdout] test iterators::tests::test_children ... ok
[INFO] [stdout] test iterators::tests::test_ancestors_clone ... ok
[INFO] [stdout] test iterators::tests::test_children_ids ... ok
[INFO] [stdout] test iterators::tests::test_children_ids_clone ... ok
[INFO] [stdout] test iterators::tests::test_children_clone ... ok
[INFO] [stdout] test iterators::tests::test_level_order_traversal ... ok
[INFO] [stdout] test iterators::tests::test_level_order_traversal_clone ... ok
[INFO] [stdout] test iterators::tests::test_level_order_traversal_ids ... ok
[INFO] [stdout] test iterators::tests::test_level_order_traversal_ids_clone ... ok
[INFO] [stdout] test iterators::tests::test_post_order_traversal ... ok
[INFO] [stdout] test iterators::tests::test_post_order_traversal_clone ... ok
[INFO] [stdout] test iterators::tests::test_post_order_traversal_ids ... ok
[INFO] [stdout] test iterators::tests::test_pre_order_traversal ... ok
[INFO] [stdout] test iterators::tests::test_post_order_traversal_ids_clone ... ok
[INFO] [stdout] test iterators::tests::test_pre_order_traversal_clone ... ok
[INFO] [stdout] test iterators::tests::test_pre_order_traversal_ids ... ok
[INFO] [stdout] test iterators::tests::test_pre_order_traversal_ids_clone ... ok
[INFO] [stdout] test node::node_builder_tests::test_new ... ok
[INFO] [stdout] test node::node_builder_tests::test_with_child_capacity ... ok
[INFO] [stdout] test node::node_tests::test_data ... ok
[INFO] [stdout] test node::node_tests::test_children ... ok
[INFO] [stdout] test node::node_tests::test_data_mut ... ok
[INFO] [stdout] test node::node_tests::test_new ... ok
[INFO] [stdout] test node::node_tests::test_parent ... ok
[INFO] [stdout] test node::node_tests::test_partial_eq ... ok
[INFO] [stdout] test tree::tree_builder_tests::test_build ... ok
[INFO] [stdout] test tree::tree_builder_tests::test_new ... ok
[INFO] [stdout] test tree::tree_builder_tests::test_with_all_settings ... ok
[INFO] [stdout] test tree::tree_builder_tests::test_with_node_capacity ... ok
[INFO] [stdout] test tree::tree_builder_tests::test_with_root ... ok
[INFO] [stdout] test tree::tree_builder_tests::test_with_swap_capacity ... ok
[INFO] [stdout] test tree::tree_tests::test_clone ... ok
[INFO] [stdout] test tree::tree_tests::test_get ... ok
[INFO] [stdout] test tree::tree_tests::test_find_subtree_root_below_upper_id ... ok
[INFO] [stdout] test tree::tree_tests::test_get_mut ... ok
[INFO] [stdout] test tree::tree_tests::test_insert_with_parent ... ok
[INFO] [stdout] test tree::tree_tests::test_move_node_to_parent ... ok
[INFO] [stdout] test tree::tree_tests::test_new ... ok
[INFO] [stdout] test tree::tree_tests::test_remove_node_lift_children ... ok
[INFO] [stdout] test tree::tree_tests::test_remove_root ... ok
[INFO] [stdout] test tree::tree_tests::test_partial_eq ... ok
[INFO] [stdout] test tree::tree_tests::test_root_node_id ... ok
[INFO] [stdout] test tree::tree_tests::test_remove_node_orphan_children ... ok
[INFO] [stdout] test tree::tree_tests::test_move_node_to_root ... ok
[INFO] [stdout] test tree::tree_tests::test_set_root ... ok
[INFO] [stdout] test tree::tree_tests::test_swap_nodes_children_only ... ok
[INFO] [stdout] test tree::tree_tests::test_tree_height ... ok
[INFO] [stdout] test tree::tree_tests::test_swap_nodes_leave_children ... ok
[INFO] [stdout] test tree::tree_tests::test_swap_nodes_take_children ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/error_tests.rs (/opt/rustwide/target/debug/deps/error_tests-998ea0807b44b871)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test_ancestor_ids_different_trees ... ok
[INFO] [stdout] test test_ancestor_ids_old_id ... ok
[INFO] [stdout] test test_ancestors_old_id ... ok
[INFO] [stdout] test test_ancestors_different_trees ... ok
[INFO] [stdout] test test_children_different_trees ... ok
[INFO] [stdout] test test_children_ids_different_trees ... ok
[INFO] [stdout] test test_children_ids_old_id ... ok
[INFO] [stdout] test test_children_old_id ... ok
[INFO] [stdout] test test_get_mut_node_from_other_tree ... ok
[INFO] [stdout] test test_get_node_from_other_tree ... ok
[INFO] [stdout] test test_move_node_from_other_tree ... ok
[INFO] [stdout] test test_move_node_into_other_tree ... ok
[INFO] [stdout] test test_move_node_to_root_by_invalid_id ... ok
[INFO] [stdout] test test_old_node_id ... ok
[INFO] [stdout] test test_remove_node_lift_children_from_other_tree ... ok
[INFO] [stdout] test test_remove_node_orphan_children_from_other_tree ... ok
[INFO] [stdout] test test_remove_node_remove_children_from_other_tree ... ok
[INFO] [stdout] test test_sort_by_data_invalid_id ... ok
[INFO] [stdout] test test_sort_by_invalid_id ... ok
[INFO] [stdout] test test_sort_by_key_invalid_id ... ok
[INFO] [stdout] test test_swap_sub_trees_of_different_trees ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests id_tree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name id_tree --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern id_tree=/opt/rustwide/target/debug/deps/libid_tree-ba41d6716eead079.rlib --extern snowflake=/opt/rustwide/target/debug/deps/libsnowflake-5d13e6ac66ee938e.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5658d2774ba64de21eb686c63ebcd3f6af99064e4a2c63ce6088a097d05991f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5658d2774ba64de21eb686c63ebcd3f6af99064e4a2c63ce6088a097d05991f2", kill_on_drop: false }`
[INFO] [stdout] 5658d2774ba64de21eb686c63ebcd3f6af99064e4a2c63ce6088a097d05991f2