[INFO] cloning repository https://github.com/devanbenz/monopolize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devanbenz/monopolize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevanbenz%2Fmonopolize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevanbenz%2Fmonopolize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2eb479813fb50ed59b28d9c4d07833f5ee147cbd
[INFO] building devanbenz/monopolize against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevanbenz%2Fmonopolize" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devanbenz/monopolize on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devanbenz/monopolize
[INFO] finished tweaking git repo https://github.com/devanbenz/monopolize
[INFO] tweaked toml for git repo https://github.com/devanbenz/monopolize written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/devanbenz/monopolize 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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5ef8bfcb190dd3ecaa0b4ef7c616d8005ae715ebe316213ccf9a2f1c8e4f1da
[INFO] running `Command { std: "docker" "start" "-a" "e5ef8bfcb190dd3ecaa0b4ef7c616d8005ae715ebe316213ccf9a2f1c8e4f1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ef8bfcb190dd3ecaa0b4ef7c616d8005ae715ebe316213ccf9a2f1c8e4f1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ef8bfcb190dd3ecaa0b4ef7c616d8005ae715ebe316213ccf9a2f1c8e4f1da", kill_on_drop: false }`
[INFO] [stdout] e5ef8bfcb190dd3ecaa0b4ef7c616d8005ae715ebe316213ccf9a2f1c8e4f1da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6151724d507e572662a14ae8609353def2f5fd0dbe442dde21e4d55a89c79578
[INFO] running `Command { std: "docker" "start" "-a" "6151724d507e572662a14ae8609353def2f5fd0dbe442dde21e4d55a89c79578", kill_on_drop: false }`
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[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling datafusion-common-runtime v40.0.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling xz2 v0.1.7
[INFO] [stderr]    Compiling async-compression v0.4.12
[INFO] [stderr]    Compiling datafusion-common v40.0.0
[INFO] [stderr]    Compiling clap v4.5.9
[INFO] [stderr]    Compiling datafusion-expr v40.0.0
[INFO] [stderr]    Compiling datafusion-execution v40.0.0
[INFO] [stderr]    Compiling datafusion-physical-expr-common v40.0.0
[INFO] [stderr]    Compiling datafusion-sql v40.0.0
[INFO] [stderr]    Compiling datafusion-functions v40.0.0
[INFO] [stderr]    Compiling datafusion-physical-expr v40.0.0
[INFO] [stderr]    Compiling datafusion-functions-aggregate v40.0.0
[INFO] [stderr]    Compiling datafusion-functions-array v40.0.0
[INFO] [stderr]    Compiling datafusion-physical-plan v40.0.0
[INFO] [stderr]    Compiling datafusion-optimizer v40.0.0
[INFO] [stderr]    Compiling datafusion v40.0.0
[INFO] [stderr]    Compiling monopolize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arrow_fields`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow_fields`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:50:60
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow_fields`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:52:59
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `props`
[INFO] [stdout]    --> src/merger/file_manager.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let props = WriterProperties::builder()
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_application_server` is never used
[INFO] [stdout]  --> src/api/server.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub async fn start_application_server() {}
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_input` is never used
[INFO] [stdout]   --> src/cli.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn handle_input() -> Result<(Vec<String>, String), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_fs` is never used
[INFO] [stdout]   --> src/cli.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn read_from_fs(file: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FileNotFoundError` is never constructed
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     #[error("There was an error reading {0} from the file system. Please make sure you are using an existing file for merging.")]
[INFO] [stdout] 6 |     FileNotFoundError(String)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SchemaUnifier` is never constructed
[INFO] [stdout]   --> src/merger/schema_unifier.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SchemaUnifier<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SchemaUnifier` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `merge_schema_from_files`, `parquet_to_arrow_schema`, `csv_to_arrow_schema`, `json_to_arrow_schema`, and `orc_to_arrow_schema` are never used
[INFO] [stdout]   --> src/merger/schema_unifier.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> SchemaUnifier<'a> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(file_paths: &'a Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn merge_schema_from_files(&'a self) -> SchemaRef {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn parquet_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |
[INFO] [stdout] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileManager` is never constructed
[INFO] [stdout]   --> src/merger/file_manager.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FileManager {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `merge_files`, `write_record_batch_to_parquet`, `convert_batch_to_schema`, `write_to_combined_schema_arrow_batch`, and `create_default_array` are never used
[INFO] [stdout]    --> src/merger/file_manager.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl FileManager {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 27  |     pub fn new(file_paths: Vec<String>, schema: SchemaRef, output_file_path: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35  |     pub fn merge_files(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     fn write_record_batch_to_parquet(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn convert_batch_to_schema(schema: &SchemaRef, record_batch: RecordBatch) -> RecordBatch {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn write_to_combined_schema_arrow_batch(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn create_default_array(data_type: &DataType, num_rows: usize) -> ArrayRef {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileType` is never used
[INFO] [stdout]    --> src/merger/file_manager.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub enum FileType {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FileType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_file_type` is never used
[INFO] [stdout]    --> src/merger/file_manager.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn get_file_type(path: &Path) -> FileType {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 25s
[INFO] running `Command { std: "docker" "inspect" "6151724d507e572662a14ae8609353def2f5fd0dbe442dde21e4d55a89c79578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6151724d507e572662a14ae8609353def2f5fd0dbe442dde21e4d55a89c79578", kill_on_drop: false }`
[INFO] [stdout] 6151724d507e572662a14ae8609353def2f5fd0dbe442dde21e4d55a89c79578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb66ecb095fb5e1f79b7e5f45b2e142a754f996affa1130116d12f1d8603811a
[INFO] running `Command { std: "docker" "start" "-a" "fb66ecb095fb5e1f79b7e5f45b2e142a754f996affa1130116d12f1d8603811a", kill_on_drop: false }`
[INFO] [stderr]    Compiling monopolize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arrow_fields`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow_fields`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:50:60
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow_fields`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/merger/schema_unifier.rs:52:59
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `props`
[INFO] [stdout]    --> src/merger/file_manager.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let props = WriterProperties::builder()
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_application_server` is never used
[INFO] [stdout]  --> src/api/server.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub async fn start_application_server() {}
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_input` is never used
[INFO] [stdout]   --> src/cli.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn handle_input() -> Result<(Vec<String>, String), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_fs` is never used
[INFO] [stdout]   --> src/cli.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn read_from_fs(file: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FileNotFoundError` is never constructed
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     #[error("There was an error reading {0} from the file system. Please make sure you are using an existing file for merging.")]
[INFO] [stdout] 6 |     FileNotFoundError(String)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SchemaUnifier` is never constructed
[INFO] [stdout]   --> src/merger/schema_unifier.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SchemaUnifier<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SchemaUnifier` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `merge_schema_from_files`, `parquet_to_arrow_schema`, `csv_to_arrow_schema`, `json_to_arrow_schema`, and `orc_to_arrow_schema` are never used
[INFO] [stdout]   --> src/merger/schema_unifier.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> SchemaUnifier<'a> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(file_paths: &'a Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn merge_schema_from_files(&'a self) -> SchemaRef {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn parquet_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |
[INFO] [stdout] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileManager` is never constructed
[INFO] [stdout]   --> src/merger/file_manager.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FileManager {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `merge_files`, `write_record_batch_to_parquet`, `convert_batch_to_schema`, `write_to_combined_schema_arrow_batch`, and `create_default_array` are never used
[INFO] [stdout]    --> src/merger/file_manager.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl FileManager {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 27  |     pub fn new(file_paths: Vec<String>, schema: SchemaRef, output_file_path: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35  |     pub fn merge_files(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     fn write_record_batch_to_parquet(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn convert_batch_to_schema(schema: &SchemaRef, record_batch: RecordBatch) -> RecordBatch {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn write_to_combined_schema_arrow_batch(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn create_default_array(data_type: &DataType, num_rows: usize) -> ArrayRef {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileType` is never used
[INFO] [stdout]    --> src/merger/file_manager.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub enum FileType {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FileType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_file_type` is never used
[INFO] [stdout]    --> src/merger/file_manager.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn get_file_type(path: &Path) -> FileType {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "fb66ecb095fb5e1f79b7e5f45b2e142a754f996affa1130116d12f1d8603811a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb66ecb095fb5e1f79b7e5f45b2e142a754f996affa1130116d12f1d8603811a", kill_on_drop: false }`
[INFO] [stdout] fb66ecb095fb5e1f79b7e5f45b2e142a754f996affa1130116d12f1d8603811a