[INFO] cloning repository https://github.com/RishiChalla/db-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RishiChalla/db-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRishiChalla%2Fdb-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRishiChalla%2Fdb-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a56fabd7c0acead06e485010f83bd13536cb6913
[INFO] testing RishiChalla/db-playground against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRishiChalla%2Fdb-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RishiChalla/db-playground
[INFO] finished tweaking git repo https://github.com/RishiChalla/db-playground
[INFO] tweaked toml for git repo https://github.com/RishiChalla/db-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RishiChalla/db-playground on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RishiChalla/db-playground 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dc6f3b3eb71e8336b15b9807230472e84bac7526b400f478a13fe67e3586d1b
[INFO] running `Command { std: "docker" "start" "-a" "4dc6f3b3eb71e8336b15b9807230472e84bac7526b400f478a13fe67e3586d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dc6f3b3eb71e8336b15b9807230472e84bac7526b400f478a13fe67e3586d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc6f3b3eb71e8336b15b9807230472e84bac7526b400f478a13fe67e3586d1b", kill_on_drop: false }`
[INFO] [stdout] 4dc6f3b3eb71e8336b15b9807230472e84bac7526b400f478a13fe67e3586d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c0e17852fc66ed4c6c2e699e8a025ae8aec963cba2fe71a646f23a225560cef
[INFO] running `Command { std: "docker" "start" "-a" "0c0e17852fc66ed4c6c2e699e8a025ae8aec963cba2fe71a646f23a225560cef", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling lru v0.13.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling db-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/btree/mod.rs:443:26
[INFO] [stdout]     |
[INFO] [stdout] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IndexKey` is never used
[INFO] [stdout]   --> src/btree/mod.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | trait IndexKey: Debug + Ord + Encode + Decode<()> + Clone {}
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StringKey` is never constructed
[INFO] [stdout]   --> src/btree/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct StringKey<const MAX_SIZE: usize>(ArrayString::<MAX_SIZE>);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/btree/mod.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | const PAGE_SIZE: usize = 2 << 11;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LRU_CACHE_SIZE` is never used
[INFO] [stdout]   --> src/btree/mod.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | const LRU_CACHE_SIZE: usize = (2 << 21) / PAGE_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordRow` is never constructed
[INFO] [stdout]   --> src/btree/mod.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | struct RecordRow(usize);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TreeNodeVariant` is never used
[INFO] [stdout]   --> src/btree/mod.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 | enum TreeNodeVariant {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNodeChild` is never constructed
[INFO] [stdout]   --> src/btree/mod.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct TreeNodeChild<Key: IndexKey> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]    --> src/btree/mod.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct TreeNode<Key: IndexKey> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `max_splits`, `partition_point`, and `insert_item` are never used
[INFO] [stdout]    --> src/btree/mod.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl<Key: IndexKey> TreeNode<Key> {
[INFO] [stdout]     | --------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |     const fn max_splits() -> usize {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn partition_point(&self, key: &Key) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn insert_item(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BPlusTree` is never constructed
[INFO] [stdout]    --> src/btree/mod.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 | struct BPlusTree<Key: IndexKey> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BPlusTreeInner` is never constructed
[INFO] [stdout]    --> src/btree/mod.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | struct BPlusTreeInner {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/btree/mod.rs:305:8
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl<Key: IndexKey> BPlusTree<Key> {
[INFO] [stdout]     | ---------------------------------- associated items in this implementation
[INFO] [stdout] 304 |     /// Loads the B+ Tree from an index file path.
[INFO] [stdout] 305 |     fn load<Str: Into<String>>(index_file_path: Str) -> Result<Self, IndexingError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 328 |     fn get_insertion_point(inner: &mut BPlusTreeInner) -> PageOffset {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 341 |     fn commit_transaction(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     fn traverse_tree(&self, key: &Key) -> Result<Option<TreeNode<Key>>, IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     fn insert(&mut self, key: &Key, record: RecordRow) -> Result<(), IndexingError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 449 |     fn lookup(&self, key: &Key) -> Result<Option<RecordRow>, IndexingError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `inner`, `bincode_config`, `write_page`, `read_page`, and `load_node` are never used
[INFO] [stdout]    --> src/btree/mod.rs:467:14
[INFO] [stdout]     |
[INFO] [stdout] 464 | impl PageOffset {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 467 |     const fn inner() -> Self { Self(0) }
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 470 |     const fn bincode_config() -> Configuration<LittleEndian, Fixint, Limit<PAGE_SIZE>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 477 |     fn write_page<Data: Encode>(&self, index_file: &mut File, data: &Data) -> Result<(), IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 495 |     fn read_page<Data: Decode<()>>(&self, index_file: &File) -> Result<Data, IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     fn load_node<Key: IndexKey>(&self, tree: &BPlusTree<Key>) -> Result<TreeNode<Key>, IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "0c0e17852fc66ed4c6c2e699e8a025ae8aec963cba2fe71a646f23a225560cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0e17852fc66ed4c6c2e699e8a025ae8aec963cba2fe71a646f23a225560cef", kill_on_drop: false }`
[INFO] [stdout] 0c0e17852fc66ed4c6c2e699e8a025ae8aec963cba2fe71a646f23a225560cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1691c5e641139ccb9d64b9b64791929fcd04a128ed49f781098dde4cbd374fc3
[INFO] running `Command { std: "docker" "start" "-a" "1691c5e641139ccb9d64b9b64791929fcd04a128ed49f781098dde4cbd374fc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/btree/mod.rs:443:26
[INFO] [stdout]     |
[INFO] [stdout] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IndexKey` is never used
[INFO] [stdout]   --> src/btree/mod.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | trait IndexKey: Debug + Ord + Encode + Decode<()> + Clone {}
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StringKey` is never constructed
[INFO] [stdout]   --> src/btree/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct StringKey<const MAX_SIZE: usize>(ArrayString::<MAX_SIZE>);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/btree/mod.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | const PAGE_SIZE: usize = 2 << 11;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LRU_CACHE_SIZE` is never used
[INFO] [stdout]   --> src/btree/mod.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | const LRU_CACHE_SIZE: usize = (2 << 21) / PAGE_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordRow` is never constructed
[INFO] [stdout]   --> src/btree/mod.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | struct RecordRow(usize);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TreeNodeVariant` is never used
[INFO] [stdout]   --> src/btree/mod.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 | enum TreeNodeVariant {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNodeChild` is never constructed
[INFO] [stdout]   --> src/btree/mod.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct TreeNodeChild<Key: IndexKey> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]    --> src/btree/mod.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct TreeNode<Key: IndexKey> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `max_splits`, `partition_point`, and `insert_item` are never used
[INFO] [stdout]    --> src/btree/mod.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl<Key: IndexKey> TreeNode<Key> {
[INFO] [stdout]     | --------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |     const fn max_splits() -> usize {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn partition_point(&self, key: &Key) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn insert_item(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BPlusTree` is never constructed
[INFO] [stdout]    --> src/btree/mod.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 | struct BPlusTree<Key: IndexKey> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BPlusTreeInner` is never constructed
[INFO] [stdout]    --> src/btree/mod.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | struct BPlusTreeInner {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/btree/mod.rs:305:8
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl<Key: IndexKey> BPlusTree<Key> {
[INFO] [stdout]     | ---------------------------------- associated items in this implementation
[INFO] [stdout] 304 |     /// Loads the B+ Tree from an index file path.
[INFO] [stdout] 305 |     fn load<Str: Into<String>>(index_file_path: Str) -> Result<Self, IndexingError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 328 |     fn get_insertion_point(inner: &mut BPlusTreeInner) -> PageOffset {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 341 |     fn commit_transaction(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     fn traverse_tree(&self, key: &Key) -> Result<Option<TreeNode<Key>>, IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     fn insert(&mut self, key: &Key, record: RecordRow) -> Result<(), IndexingError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 449 |     fn lookup(&self, key: &Key) -> Result<Option<RecordRow>, IndexingError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `inner`, `bincode_config`, `write_page`, `read_page`, and `load_node` are never used
[INFO] [stdout]    --> src/btree/mod.rs:467:14
[INFO] [stdout]     |
[INFO] [stdout] 464 | impl PageOffset {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 467 |     const fn inner() -> Self { Self(0) }
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 470 |     const fn bincode_config() -> Configuration<LittleEndian, Fixint, Limit<PAGE_SIZE>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 477 |     fn write_page<Data: Encode>(&self, index_file: &mut File, data: &Data) -> Result<(), IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 495 |     fn read_page<Data: Decode<()>>(&self, index_file: &File) -> Result<Data, IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     fn load_node<Key: IndexKey>(&self, tree: &BPlusTree<Key>) -> Result<TreeNode<Key>, IndexingError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling db-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/btree/mod.rs:443:26
[INFO] [stdout]     |
[INFO] [stdout] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]    --> src/btree/mod.rs:443:8
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl<Key: IndexKey> BPlusTree<Key> {
[INFO] [stdout]     | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "1691c5e641139ccb9d64b9b64791929fcd04a128ed49f781098dde4cbd374fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1691c5e641139ccb9d64b9b64791929fcd04a128ed49f781098dde4cbd374fc3", kill_on_drop: false }`
[INFO] [stdout] 1691c5e641139ccb9d64b9b64791929fcd04a128ed49f781098dde4cbd374fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7e941248861765a48ae9bf85a2f7f7dc15235b214f91f588fcb4f40d10648f4
[INFO] running `Command { std: "docker" "start" "-a" "c7e941248861765a48ae9bf85a2f7f7dc15235b214f91f588fcb4f40d10648f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/btree/mod.rs:443:26
[INFO] [stderr]     |
[INFO] [stderr] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IndexKey` is never used
[INFO] [stderr]   --> src/btree/mod.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 | trait IndexKey: Debug + Ord + Encode + Decode<()> + Clone {}
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StringKey` is never constructed
[INFO] [stderr]   --> src/btree/mod.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct StringKey<const MAX_SIZE: usize>(ArrayString::<MAX_SIZE>);
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PAGE_SIZE` is never used
[INFO] [stderr]   --> src/btree/mod.rs:64:7
[INFO] [stderr]    |
[INFO] [stderr] 64 | const PAGE_SIZE: usize = 2 << 11;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LRU_CACHE_SIZE` is never used
[INFO] [stderr]   --> src/btree/mod.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 | const LRU_CACHE_SIZE: usize = (2 << 21) / PAGE_SIZE;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RecordRow` is never constructed
[INFO] [stderr]   --> src/btree/mod.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | struct RecordRow(usize);
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TreeNodeVariant` is never used
[INFO] [stderr]   --> src/btree/mod.rs:86:6
[INFO] [stderr]    |
[INFO] [stderr] 86 | enum TreeNodeVariant {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TreeNodeChild` is never constructed
[INFO] [stderr]   --> src/btree/mod.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | struct TreeNodeChild<Key: IndexKey> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TreeNode` is never constructed
[INFO] [stderr]    --> src/btree/mod.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 | struct TreeNode<Key: IndexKey> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `max_splits`, `partition_point`, and `insert_item` are never used
[INFO] [stderr]    --> src/btree/mod.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 140 | impl<Key: IndexKey> TreeNode<Key> {
[INFO] [stderr]     | --------------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 143 |     const fn max_splits() -> usize {
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 148 |     fn partition_point(&self, key: &Key) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 155 |     fn insert_item(
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BPlusTree` is never constructed
[INFO] [stderr]    --> src/btree/mod.rs:253:8
[INFO] [stderr]     |
[INFO] [stderr] 253 | struct BPlusTree<Key: IndexKey> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BPlusTreeInner` is never constructed
[INFO] [stderr]    --> src/btree/mod.rs:265:8
[INFO] [stderr]     |
[INFO] [stderr] 265 | struct BPlusTreeInner {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/btree/mod.rs:305:8
[INFO] [stderr]     |
[INFO] [stderr] 303 | impl<Key: IndexKey> BPlusTree<Key> {
[INFO] [stderr]     | ---------------------------------- associated items in this implementation
[INFO] [stderr] 304 |     /// Loads the B+ Tree from an index file path.
[INFO] [stderr] 305 |     fn load<Str: Into<String>>(index_file_path: Str) -> Result<Self, IndexingError> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 328 |     fn get_insertion_point(inner: &mut BPlusTreeInner) -> PageOffset {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 341 |     fn commit_transaction(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 392 |     fn traverse_tree(&self, key: &Key) -> Result<Option<TreeNode<Key>>, IndexingError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 411 |     fn insert(&mut self, key: &Key, record: RecordRow) -> Result<(), IndexingError> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 449 |     fn lookup(&self, key: &Key) -> Result<Option<RecordRow>, IndexingError> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `inner`, `bincode_config`, `write_page`, `read_page`, and `load_node` are never used
[INFO] [stderr]    --> src/btree/mod.rs:467:14
[INFO] [stderr]     |
[INFO] [stderr] 464 | impl PageOffset {
[INFO] [stderr]     | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 467 |     const fn inner() -> Self { Self(0) }
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 470 |     const fn bincode_config() -> Configuration<LittleEndian, Fixint, Limit<PAGE_SIZE>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 477 |     fn write_page<Data: Encode>(&self, index_file: &mut File, data: &Data) -> Result<(), IndexingError> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 495 |     fn read_page<Data: Decode<()>>(&self, index_file: &File) -> Result<Data, IndexingError> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 505 |     fn load_node<Key: IndexKey>(&self, tree: &BPlusTree<Key>) -> Result<TreeNode<Key>, IndexingError> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `db-playground` (lib) generated 14 warnings (run `cargo fix --lib -p db-playground` to apply 1 suggestion)
[INFO] [stderr] warning: method `remove` is never used
[INFO] [stderr]    --> src/btree/mod.rs:443:8
[INFO] [stderr]     |
[INFO] [stderr] 303 | impl<Key: IndexKey> BPlusTree<Key> {
[INFO] [stderr]     | ---------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 443 |     fn remove(&mut self, key: &Key) -> Result<(), IndexingError> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `db-playground` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/db_playground-a2ca856b74f64bc7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test btree::test::test_string_key ... ok
[INFO] [stdout] test btree::test::test_btree_overwrite ... FAILED
[INFO] [stdout] test btree::test::test_btree_insertion_split ... FAILED
[INFO] [stdout] test btree::test::test_btree_string_key ... FAILED
[INFO] [stdout] test btree::test::test_minimum_insertion ... FAILED
[INFO] [stdout] test btree::test::test_deep_tree ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- btree::test::test_btree_overwrite stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'btree::test::test_btree_overwrite' (17) panicked at src/btree/mod.rs:578:36:
[INFO] [stdout] Existing DB file must be cleared: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ec81ff6b082 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ec81ff6b082 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ec81ff7b8bf - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ec81ff7b8bf - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5ec81ff38753 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ec81ff38753 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ec81ff44772 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ec81ff4924f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ec81ff490e1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ec81fed0c0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5ec81fed0c0e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ec81ff4985f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5ec81ff4985f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ec81ff496ba - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5ec81ff448a9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ec81ff2c93d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ec81ff833e0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ec81ff829a6 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5ec81fe9b18c - core::result::Result<T,E>::expect::h211ff3d0af3be6eb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5ec81fe98623 - db_playground::btree::test::test_btree_overwrite::h5f0d492cb8f5e22d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:578:36
[INFO] [stdout]   22:     0x5ec81fe98b97 - db_playground::btree::test::test_btree_overwrite::{{closure}}::h39193fb2501b288a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:577:30
[INFO] [stdout]   23:     0x5ec81fe86716 - core::ops::function::FnOnce::call_once::h2fe21a35cf3c0f7d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ec81fed0a0b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ec81fed0a0b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5ec81fee4a6d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5ec81fee4a6d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5ec81fee4a6d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5ec81fee4a6d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5ec81fee4a6d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ec81fee4a6d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5ec81fee4a6d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5ec81febdfb4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5ec81febdfb4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5ec81fec180a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5ec81fec180a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5ec81fec180a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5ec81fec180a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5ec81fec180a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ec81ff3fcaf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5ec81ff3fcaf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x758b723edaa4 - <unknown>
[INFO] [stdout]   45:     0x758b7247aa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- btree::test::test_btree_insertion_split stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'btree::test::test_btree_insertion_split' (16) panicked at src/btree/mod.rs:545:29:
[INFO] [stdout] Existing DB file must be cleared: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ec81ff6b082 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ec81ff6b082 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ec81ff7b8bf - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ec81ff7b8bf - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5ec81ff38753 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ec81ff38753 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ec81ff44772 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ec81ff4924f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ec81ff490e1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ec81fed0c0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5ec81fed0c0e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ec81ff4985f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5ec81ff4985f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ec81ff496ba - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5ec81ff448a9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ec81ff2c93d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ec81ff833e0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ec81ff829a6 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5ec81fe9b18c - core::result::Result<T,E>::expect::h211ff3d0af3be6eb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5ec81fe94bca - db_playground::btree::test::test_records::h29eb5012049b01a0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:545:29
[INFO] [stdout]   22:     0x5ec81fe990be - db_playground::btree::test::test_btree_insertion_split::h02c5a4309b509965
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:593:9
[INFO] [stdout]   23:     0x5ec81fe990e7 - db_playground::btree::test::test_btree_insertion_split::{{closure}}::h47168a8f01a48bd6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:591:36
[INFO] [stdout]   24:     0x5ec81fe869b6 - core::ops::function::FnOnce::call_once::h6e5309dab003aa2c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ec81fed0a0b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5ec81fed0a0b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5ec81fee4a6d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5ec81fee4a6d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5ec81fee4a6d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5ec81fee4a6d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5ec81fee4a6d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5ec81fee4a6d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5ec81fee4a6d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5ec81febdfb4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5ec81febdfb4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5ec81fec180a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5ec81fec180a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5ec81fec180a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5ec81fec180a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5ec81fec180a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5ec81ff3fcaf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5ec81ff3fcaf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x758b723edaa4 - <unknown>
[INFO] [stdout]   46:     0x758b7247aa64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- btree::test::test_btree_string_key stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'btree::test::test_btree_string_key' (18) panicked at src/btree/mod.rs:545:29:
[INFO] [stdout] Existing DB file must be cleared: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ec81ff6b082 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ec81ff6b082 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ec81ff7b8bf - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ec81ff7b8bf - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5ec81ff38753 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ec81ff38753 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ec81ff44772 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ec81ff4924f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ec81ff490e1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ec81fed0c0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5ec81fed0c0e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ec81ff4985f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5ec81ff4985f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ec81ff496ba - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5ec81ff448a9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ec81ff2c93d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ec81ff833e0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ec81ff829a6 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5ec81fe9b18c - core::result::Result<T,E>::expect::h211ff3d0af3be6eb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5ec81fe93ad1 - db_playground::btree::test::test_records::h155b04b68cafc76e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:545:29
[INFO] [stdout]   22:     0x5ec81fe98e7a - db_playground::btree::test::test_btree_string_key::hc4667de811da7305
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:620:9
[INFO] [stdout]   23:     0x5ec81fe98ea7 - db_playground::btree::test::test_btree_string_key::{{closure}}::h341ec78e56c5e3d8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:608:31
[INFO] [stdout]   24:     0x5ec81fe865f6 - core::ops::function::FnOnce::call_once::h09b7a2ab420f130b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ec81fed0a0b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5ec81fed0a0b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5ec81fee4a6d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5ec81fee4a6d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5ec81fee4a6d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5ec81fee4a6d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5ec81fee4a6d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5ec81fee4a6d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5ec81fee4a6d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5ec81febdfb4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5ec81febdfb4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5ec81fec180a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5ec81fec180a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5ec81fec180a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5ec81fec180a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5ec81fec180a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5ec81ff3fcaf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5ec81ff3fcaf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x758b723edaa4 - <unknown>
[INFO] [stdout]   46:     0x758b7247aa64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- btree::test::test_minimum_insertion stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'btree::test::test_minimum_insertion' (20) panicked at src/btree/mod.rs:545:29:
[INFO] [stdout] Existing DB file must be cleared: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ec81ff6b082 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ec81ff6b082 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ec81ff7b8bf - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ec81ff7b8bf - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5ec81ff38753 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ec81ff38753 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ec81ff44772 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ec81ff4924f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ec81ff490e1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ec81fed0c0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5ec81fed0c0e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ec81ff4985f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5ec81ff4985f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ec81ff496ba - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5ec81ff448a9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ec81ff2c93d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ec81ff833e0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ec81ff829a6 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5ec81fe9b18c - core::result::Result<T,E>::expect::h211ff3d0af3be6eb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5ec81fe96d4a - db_playground::btree::test::test_records::ha2a3a2c1e93cc2e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:545:29
[INFO] [stdout]   22:     0x5ec81fe99026 - db_playground::btree::test::test_minimum_insertion::h7e570c9a35c2c411
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:646:9
[INFO] [stdout]   23:     0x5ec81fe99067 - db_playground::btree::test::test_minimum_insertion::{{closure}}::h76e7c4416267315e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:644:32
[INFO] [stdout]   24:     0x5ec81fe86896 - core::ops::function::FnOnce::call_once::h61c21fa4a3e03f62
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ec81fed0a0b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5ec81fed0a0b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5ec81fee4a6d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5ec81fee4a6d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5ec81fee4a6d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5ec81fee4a6d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5ec81fee4a6d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5ec81fee4a6d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5ec81fee4a6d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5ec81febdfb4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5ec81febdfb4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5ec81fec180a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5ec81fec180a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5ec81fec180a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5ec81fec180a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5ec81fec180a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5ec81ff3fcaf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5ec81ff3fcaf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x758b723edaa4 - <unknown>
[INFO] [stdout]   46:     0x758b7247aa64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- btree::test::test_deep_tree stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'btree::test::test_deep_tree' (19) panicked at src/btree/mod.rs:545:29:
[INFO] [stdout] Existing DB file must be cleared: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ec81ff6b082 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ec81ff6b082 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ec81ff6b082 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ec81ff7b8bf - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ec81ff7b8bf - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5ec81ff38753 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ec81ff38753 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ec81ff44772 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ec81ff4924f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ec81ff490e1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ec81fed0c0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5ec81fed0c0e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ec81ff4985f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5ec81ff4985f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ec81ff496ba - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5ec81ff448a9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ec81ff2c93d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ec81ff833e0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ec81ff829a6 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5ec81fe9b18c - core::result::Result<T,E>::expect::h211ff3d0af3be6eb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5ec81fe95c8a - db_playground::btree::test::test_records::h539ec1ee9e1e371c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:545:29
[INFO] [stdout]   22:     0x5ec81fe97fe8 - db_playground::btree::test::test_deep_tree::h1be570b53a3377e8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:634:9
[INFO] [stdout]   23:     0x5ec81fe98007 - db_playground::btree::test::test_deep_tree::{{closure}}::h62c22fce70a940c5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/mod.rs:628:24
[INFO] [stdout]   24:     0x5ec81fe86c96 - core::ops::function::FnOnce::call_once::hc6b6c0dd34413180
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ec81fed0a0b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5ec81fed0a0b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5ec81fee4a6d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5ec81fee4a6d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5ec81fee4a6d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5ec81fee4a6d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5ec81fee4a6d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5ec81fee4a6d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5ec81fee4a6d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5ec81febdfb4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5ec81febdfb4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5ec81fec180a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5ec81fec180a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5ec81fec180a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5ec81fec180a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5ec81fec180a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5ec81fec180a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5ec81ff3fcaf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5ec81ff3fcaf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x758b723edaa4 - <unknown>
[INFO] [stdout]   46:     0x758b7247aa64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     btree::test::test_btree_insertion_split
[INFO] [stdout]     btree::test::test_btree_overwrite
[INFO] [stdout]     btree::test::test_btree_string_key
[INFO] [stdout]     btree::test::test_deep_tree
[INFO] [stdout]     btree::test::test_minimum_insertion
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c7e941248861765a48ae9bf85a2f7f7dc15235b214f91f588fcb4f40d10648f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e941248861765a48ae9bf85a2f7f7dc15235b214f91f588fcb4f40d10648f4", kill_on_drop: false }`
[INFO] [stdout] c7e941248861765a48ae9bf85a2f7f7dc15235b214f91f588fcb4f40d10648f4
