[INFO] fetching crate id_tree 1.8.0...
[INFO] testing id_tree-1.8.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate id_tree 1.8.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate id_tree 1.8.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ce1ec382f54a89a06fad924dc83e065c1d3f9d031b4ebefcfd29db90c990680
[INFO] running `Command { std: "docker" "start" "-a" "1ce1ec382f54a89a06fad924dc83e065c1d3f9d031b4ebefcfd29db90c990680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce1ec382f54a89a06fad924dc83e065c1d3f9d031b4ebefcfd29db90c990680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce1ec382f54a89a06fad924dc83e065c1d3f9d031b4ebefcfd29db90c990680", kill_on_drop: false }`
[INFO] [stdout] 1ce1ec382f54a89a06fad924dc83e065c1d3f9d031b4ebefcfd29db90c990680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cb877d32dedce2245a614a67db613e75b5ea8e58dfb80c0d9c4c7f874b5d6e3
[INFO] running `Command { std: "docker" "start" "-a" "4cb877d32dedce2245a614a67db613e75b5ea8e58dfb80c0d9c4c7f874b5d6e3", 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 1.37s
[INFO] running `Command { std: "docker" "inspect" "4cb877d32dedce2245a614a67db613e75b5ea8e58dfb80c0d9c4c7f874b5d6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb877d32dedce2245a614a67db613e75b5ea8e58dfb80c0d9c4c7f874b5d6e3", kill_on_drop: false }`
[INFO] [stdout] 4cb877d32dedce2245a614a67db613e75b5ea8e58dfb80c0d9c4c7f874b5d6e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc45cca4071c7029378e23b2b0b35b52e038d145a411e285d31ace311bcb3260
[INFO] running `Command { std: "docker" "start" "-a" "dc45cca4071c7029378e23b2b0b35b52e038d145a411e285d31ace311bcb3260", kill_on_drop: false }`
[INFO] [stderr]    Compiling id_tree v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "dc45cca4071c7029378e23b2b0b35b52e038d145a411e285d31ace311bcb3260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc45cca4071c7029378e23b2b0b35b52e038d145a411e285d31ace311bcb3260", kill_on_drop: false }`
[INFO] [stdout] dc45cca4071c7029378e23b2b0b35b52e038d145a411e285d31ace311bcb3260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdcc1c7e3d0e42c617e0c41f15c207c2cfabd788e116c30ed1dd2388bddeace3
[INFO] running `Command { std: "docker" "start" "-a" "fdcc1c7e3d0e42c617e0c41f15c207c2cfabd788e116c30ed1dd2388bddeace3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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_ancestors_clone ... ok
[INFO] [stdout] test iterators::tests::test_children ... ok
[INFO] [stdout] test iterators::tests::test_children_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_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_post_order_traversal_ids_clone ... ok
[INFO] [stdout] test iterators::tests::test_pre_order_traversal ... 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_children ... ok
[INFO] [stdout] test node::node_tests::test_data ... ok
[INFO] [stdout] test node::node_tests::test_new ... ok
[INFO] [stdout] test node::node_tests::test_data_mut ... 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_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_move_node_to_root ... ok
[INFO] [stdout] test tree::tree_tests::test_get ... ok
[INFO] [stdout] test tree::tree_tests::test_partial_eq ... ok
[INFO] [stdout] test tree::tree_tests::test_remove_node_lift_children ... ok
[INFO] [stdout] test tree::tree_tests::test_remove_node_orphan_children ... ok
[INFO] [stdout] test tree::tree_tests::test_root_node_id ... ok
[INFO] [stdout] test tree::tree_tests::test_set_root ... ok
[INFO] [stdout] test tree::tree_tests::test_remove_root ... ok
[INFO] [stdout] test tree::tree_tests::test_swap_nodes_children_only ... 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] test tree::tree_tests::test_tree_height ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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_different_trees ... ok
[INFO] [stdout] test test_children_different_trees ... ok
[INFO] [stdout] test test_ancestors_old_id ... ok
[INFO] [stdout] test test_children_ids_different_trees ... ok
[INFO] [stdout] test test_children_ids_old_id ... 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_children_old_id ... 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_get_mut_node_from_other_tree ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests id_tree
[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" "fdcc1c7e3d0e42c617e0c41f15c207c2cfabd788e116c30ed1dd2388bddeace3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdcc1c7e3d0e42c617e0c41f15c207c2cfabd788e116c30ed1dd2388bddeace3", kill_on_drop: false }`
[INFO] [stdout] fdcc1c7e3d0e42c617e0c41f15c207c2cfabd788e116c30ed1dd2388bddeace3