[INFO] fetching crate merkle-search-tree 0.8.0...
[INFO] testing merkle-search-tree-0.8.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate merkle-search-tree 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate merkle-search-tree 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merkle-search-tree 0.8.0
[INFO] tweaked toml for crates.io crate merkle-search-tree 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle-search-tree 0.8.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 119 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31fba194eba89a995be092b93ab55b69b211b82ffb91662bd95166016b4fb286
[INFO] running `Command { std: "docker" "start" "-a" "31fba194eba89a995be092b93ab55b69b211b82ffb91662bd95166016b4fb286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31fba194eba89a995be092b93ab55b69b211b82ffb91662bd95166016b4fb286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fba194eba89a995be092b93ab55b69b211b82ffb91662bd95166016b4fb286", kill_on_drop: false }`
[INFO] [stdout] 31fba194eba89a995be092b93ab55b69b211b82ffb91662bd95166016b4fb286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7758199f667607652ccb2115f17c732df622f12952b931472da82ad50a6c720
[INFO] running `Command { std: "docker" "start" "-a" "b7758199f667607652ccb2115f17c732df622f12952b931472da82ad50a6c720", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-search-tree v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "b7758199f667607652ccb2115f17c732df622f12952b931472da82ad50a6c720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7758199f667607652ccb2115f17c732df622f12952b931472da82ad50a6c720", kill_on_drop: false }`
[INFO] [stdout] b7758199f667607652ccb2115f17c732df622f12952b931472da82ad50a6c720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae6aa1f90e908296b62019c2b2175495550fda0b071024e7666113e43762bd94
[INFO] running `Command { std: "docker" "start" "-a" "ae6aa1f90e908296b62019c2b2175495550fda0b071024e7666113e43762bd94", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling clap_builder v4.5.49
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling clap v4.5.49
[INFO] [stderr]    Compiling insta v1.43.2
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.8.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling merkle-search-tree v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4m 22s
[INFO] running `Command { std: "docker" "inspect" "ae6aa1f90e908296b62019c2b2175495550fda0b071024e7666113e43762bd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6aa1f90e908296b62019c2b2175495550fda0b071024e7666113e43762bd94", kill_on_drop: false }`
[INFO] [stdout] ae6aa1f90e908296b62019c2b2175495550fda0b071024e7666113e43762bd94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f253e91a06e01165f67888d65326f6ab95f0bdb3647e3f5be05116a8d977d3fb
[INFO] running `Command { std: "docker" "start" "-a" "f253e91a06e01165f67888d65326f6ab95f0bdb3647e3f5be05116a8d977d3fb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkle_search_tree-987f56b0473cc42d)
[INFO] [stdout] 
[INFO] [stdout] running 119 tests
[INFO] [stdout] test diff::diff_builder::tests::test_reduce_sync_range_complete_subtree_consistency ... ok
[INFO] [stdout] test diff::diff_builder::tests::test_convergence_identical_bounds ... ok
[INFO] [stdout] test diff::diff_builder::tests::test_reduce_sync_range_left_edge ... ok
[INFO] [stdout] test diff::diff_builder::tests::test_reduce_sync_range_middle ... ok
[INFO] [stdout] test diff::diff_builder::tests::test_reduce_sync_range_right_edge ... ok
[INFO] [stdout] test diff::page_range::tests::test_round_trip_api ... ok
[INFO] [stdout] test diff::page_range_snapshot::tests::test_collect_equivalence_refs ... ok
[INFO] [stdout] test diff::page_range_snapshot::tests::test_exact_size_iter ... ok
[INFO] [stdout] test diff::page_range_snapshot::tests::test_owned_ref_page_equivalence ... ok
[INFO] [stdout] test diff::page_range_snapshot::tests::test_owned_usage ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_consecutive ... ok
[INFO] [stdout] test diff::diff_builder::tests::test_reduce_sync_range_double_overlap ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_iterative_inclusive_bounds ... ok
[INFO] [stdout] test diff::page_range_snapshot::tests::test_collect_equivalence_owned ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_look_back ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_disjoint ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_iterative ... ok
[INFO] [stdout] test diff::range_list::tests::prop_no_overlaps ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_merge_identical_bounds ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_shifted_left ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_single_overlapping_start_reversed ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_shifted_right ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_single_overlapping_end ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_prop_fail ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_single_overlapping_end_reversed ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_single_overlapping_start ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_subset ... ok
[INFO] [stdout] test diff::tests::test_diff_empty_local ... ok
[INFO] [stdout] test diff::range_list::tests::test_range_list_dedupe_superset ... ok
[INFO] [stdout] test diff::tests::test_diff_local_missing_last_page ... ok
[INFO] [stdout] test diff::tests::test_diff_local_missing_leaf_page ... ok
[INFO] [stdout] test diff::tests::test_diff_local_missing_subtree ... ok
[INFO] [stdout] test diff::tests::test_diff_leaf_page_hash ... ok
[INFO] [stdout] test diff::tests::test_diff_peer_extra_key_last_page ... ok
[INFO] [stdout] test diff::tests::test_diff_peer_intermediate_bounds ... ok
[INFO] [stdout] test diff::tests::test_child_page_inconsistent_no_subtree_recurse ... ok
[INFO] [stdout] test diff::tests::test_diff_empty_peer ... ok
[INFO] [stdout] test diff::tests::test_diff_peer_missing_leaf_page ... ok
[INFO] [stdout] test diff::tests::test_diff_peer_missing_subtree ... ok
[INFO] [stdout] test diff::tests::test_diff_root_page_hash ... ok
[INFO] [stdout] test diff::tests::test_diff_peer_intermediate_bounds_and_inconsistent_subtree_leaf ... ok
[INFO] [stdout] test diff::tests::test_leading_edge_range_sync ... ok
[INFO] [stdout] test diff::tests::test_diff_peer_missing_last_page ... ok
[INFO] [stdout] test diff::tests::test_diff_peer_bounds_larger_both_sides ... ok
[INFO] [stdout] test diff::tests::test_local_superset_of_peer ... ok
[INFO] [stdout] test diff::tests::test_page_is_superset_of_inclusive ... ok
[INFO] [stdout] test diff::tests::test_page_is_superset_of_outside ... ok
[INFO] [stdout] test diff::tests::test_page_is_superset_of_start ... ok
[INFO] [stdout] test diff::tests::test_root_single_node_covered ... ok
[INFO] [stdout] test diff::tests::test_superset ... ok
[INFO] [stdout] test diff::tests::prop_owned_page_range_equivalent ... ok
[INFO] [stdout] test diff::tests::test_no_diff ... ok
[INFO] [stdout] test diff::tests::test_page_is_superset_of_end ... ok
[INFO] [stdout] test diff::tests::test_page_is_superset_of_full ... ok
[INFO] [stdout] test digest::mock::tests::test_mock_hasher ... ok
[INFO] [stdout] test digest::r#trait::tests::test_as_bytes ... ok
[INFO] [stdout] test digest::r#trait::tests::test_prefix_lens ... ok
[INFO] [stdout] test digest::r#trait::tests::test_compatibility_b16 ... ok
[INFO] [stdout] test digest::wrappers::tests::test_as_bytes ... ok
[INFO] [stdout] test node_iter::tests::test_order ... ok
[INFO] [stdout] test digest::wrappers::tests::test_base64_format ... ok
[INFO] [stdout] test page::tests::test_split_page_all_gt ... ok
[INFO] [stdout] test page::tests::test_split_page_all_lt ... ok
[INFO] [stdout] test diff::tests::test_trivial_sync_differing_values ... ok
[INFO] [stdout] test diff::tests::test_trivial_sync_differing_keys ... ok
[INFO] [stdout] test page::tests::test_split_page_lt ... ok
[INFO] [stdout] test page::tests::test_split_page_recursive_high_page ... ok
[INFO] [stdout] test page::tests::test_split_page_eq ... ok
[INFO] [stdout] test page::tests::test_split_page_recursive_lt_pointer ... ok
[INFO] [stdout] test page::tests::test_split_page_single_node_gt_with_child_page_split ... ok
[INFO] [stdout] test page::tests::test_split_page_single_node_gt ... ok
[INFO] [stdout] test page::tests::test_split_page_single_node_gt_with_high_page_split ... ok
[INFO] [stdout] test page::tests::test_split_page_single_node_lt ... ok
[INFO] [stdout] test tree::tests::prop_node_iter ... ok
[INFO] [stdout] test tree::tests::prop_in_order_traversal_key_order ... ok
[INFO] [stdout] test diff::tests::test_both_roots_single_differing_node ... ok
[INFO] [stdout] test tree::tests::prop_deterministic_construction ... ok
[INFO] [stdout] test page::tests::test_upsert_less_than_split_child ... ok
[INFO] [stdout] test tree::tests::test_child_page_split_add_intermediate ... ok
[INFO] [stdout] test tree::tests::test_equal_page_move_all_nodes_and_high_page ... ok
[INFO] [stdout] test tree::tests::test_equal_page_move_all_nodes_and_high_page_subset ... ok
[INFO] [stdout] test tree::tests::test_greatest_key_splits_high_page ... ok
[INFO] [stdout] test tree::tests::test_hash_fixture ... ok
[INFO] [stdout] test tree::tests::test_insert_intermediate_recursive_lt_pointer ... ok
[INFO] [stdout] test tree::tests::test_intermediate_page_move_all_nodes_and_high_page ... ok
[INFO] [stdout] test tree::tests::test_intermediate_page_move_all_nodes_and_high_page_subset ... ok
[INFO] [stdout] test tree::tests::test_level_generation ... ok
[INFO] [stdout] test tree::tests::test_non_root_page_split_gt ... ok
[INFO] [stdout] test tree::tests::test_non_root_page_split_lt ... ok
[INFO] [stdout] test tree::tests::test_one_non_zero_level ... ok
[INFO] [stdout] test tree::tests::test_one ... ok
[INFO] [stdout] test tree::tests::test_root_split_non_zero_step_gt ... ok
[INFO] [stdout] test tree::tests::test_root_split_non_zero_step_lt ... ok
[INFO] [stdout] test tree::tests::test_root_split_page_gt ... ok
[INFO] [stdout] test tree::tests::test_root_split_page_lt ... ok
[INFO] [stdout] test tree::tests::test_split_child_into_two_empty_gte_page ... ok
[INFO] [stdout] test tree::tests::test_split_child_into_two_with_gte_page ... ok
[INFO] [stdout] test tree::tests::test_split_page_all_gte_nodes_with_lt_pointer ... ok
[INFO] [stdout] test tree::tests::test_split_page_all_lt_nodes_with_high_page ... ok
[INFO] [stdout] test tree::tests::test_split_page_move_gte_lt_pointer_to_high_page ... ok
[INFO] [stdout] test tree::tests::test_split_page_move_input_high_page_to_gte_page ... ok
[INFO] [stdout] test tree::tests::test_two_unordered ... ok
[INFO] [stdout] test visitor::assert_count::tests::test_count ... ok
[INFO] [stdout] test tree::tests::test_two_in_order ... ok
[INFO] [stdout] test visitor::assert_order::tests::test_order ... ok
[INFO] [stdout] test visitor::dot::tests::test_dot_high_page ... ok
[INFO] [stdout] test visitor::dot::tests::test_dot_high_page_lt_pointer ... ok
[INFO] [stdout] test visitor::dot::tests::test_dot_lt_pointer ... ok
[INFO] [stdout] test visitor::dot::tests::test_linear_children ... ok
[INFO] [stdout] test tree::tests::test_update ... ok
[INFO] [stdout] test visitor::dot::tests::test_parent_lookup ... ok
[INFO] [stdout] test visitor::dot::tests::test_dot_flat ... ok
[INFO] [stdout] test visitor::page_range_hash::tests::test_page_range_no_smaller_subtree ... ok
[INFO] [stdout] test visitor::page_range_hash::tests::test_page_ranges ... ok
[INFO] [stdout] test diff::page_range::tests::test_start_gt_end_panic - should panic ... ok
[INFO] [stdout] test page::tests::test_split_page_empty - should panic ... FAILED
[INFO] [stdout] test diff::tests::prop_sync_trees ... ok
[INFO] [stdout] test tree::tests::prop_varying_b_changes_page_count ... ok
[INFO] [stdout] test tree::tests::prop_root_hash_data_equality ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- page::tests::test_split_page_empty stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'page::tests::test_split_page_empty' panicked at src/page.rs:380:49:
[INFO] [stdout] index out of bounds: the len is 0 but the index is 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a026ddba1c2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a026ddba1c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a026ddba1c2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a026ddba1c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a026dde3f43 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a026dde3f43 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5a026ddb5e43 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a026ddb5e43 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a026ddba012 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a026ddbba7c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5a026ddbb8d2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5a026dce60b4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5a026dce60b4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a026ddbc55b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5a026ddbc55b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5a026ddbc22a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5a026ddba6b9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5a026ddbbebd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5a026dde16f0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5a026dde1851 - core::panicking::panic_bounds_check::hae8b7dcf0e85b3a1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:280:5
[INFO] [stdout]   20:     0x5a026dbce042 - <usize as core::slice::index::SliceIndex<[T]>>::index_mut::h02d2432a3b463ef4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/slice/index.rs:275:14
[INFO] [stdout]   21:     0x5a026dbce042 - core::slice::index::<impl core::ops::index::IndexMut<I> for [T]>::index_mut::hc5eaaa9feaa6174b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/slice/index.rs:28:15
[INFO] [stdout]   22:     0x5a026dbce042 - <alloc::vec::Vec<T,A> as core::ops::index::IndexMut<I>>::index_mut::hbd9e5a9585490b79
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/vec/mod.rs:3471:9
[INFO] [stdout]   23:     0x5a026dbce042 - merkle_search_tree::page::split_off_lt::ha79dccb37ead0394
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:380:49
[INFO] [stdout]   24:     0x5a026dc0f134 - merkle_search_tree::page::tests::test_split_page_empty::h6d324f8270a922a4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:664:24
[INFO] [stdout]   25:     0x5a026dc26779 - merkle_search_tree::page::tests::test_split_page_empty::{{closure}}::h8de4bac817cd029e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/page.rs:662:31
[INFO] [stdout]   26:     0x5a026dc26779 - core::ops::function::FnOnce::call_once::hc66a4cddd033a132
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5a026dceb7eb - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5a026dceb7eb - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   29:     0x5a026dceaa2e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   30:     0x5a026dceaa2e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   31:     0x5a026dceaa2e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   32:     0x5a026dceaa2e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   33:     0x5a026dceaa2e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5a026dceaa2e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   35:     0x5a026dceaa2e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   36:     0x5a026dcae5d4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   37:     0x5a026dcae5d4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   38:     0x5a026dcb1f7a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   39:     0x5a026dcb1f7a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   40:     0x5a026dcb1f7a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   41:     0x5a026dcb1f7a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   42:     0x5a026dcb1f7a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5a026dcb1f7a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   44:     0x5a026dcb1f7a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5a026ddbf667 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   46:     0x5a026ddbf667 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   47:     0x5a026ddbf667 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   48:     0x737180ffaaa4 - <unknown>
[INFO] [stdout]   49:     0x737181087a34 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] note: panic did not contain expected string
[INFO] [stdout]       panic message: "index out of bounds: the len is 0 but the index is 0"
[INFO] [stdout]  expected substring: "!page_ref.nodes.is_empty()"
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     page::tests::test_split_page_empty
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 118 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f253e91a06e01165f67888d65326f6ab95f0bdb3647e3f5be05116a8d977d3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f253e91a06e01165f67888d65326f6ab95f0bdb3647e3f5be05116a8d977d3fb", kill_on_drop: false }`
[INFO] [stdout] f253e91a06e01165f67888d65326f6ab95f0bdb3647e3f5be05116a8d977d3fb
