[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] testing devanbenz/monopolize against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevanbenz%2Fmonopolize" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devanbenz/monopolize on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] 
[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] 
[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 2m 55s
[INFO] running `Command { std: "docker" "inspect" "0f7674fe4724034417436bf57125c400fcfa2366e38697bbc821ed26c7879697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7674fe4724034417436bf57125c400fcfa2366e38697bbc821ed26c7879697", kill_on_drop: false }`
[INFO] [stdout] 0f7674fe4724034417436bf57125c400fcfa2366e38697bbc821ed26c7879697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787ebe07981f0d0a19dbcf5a0916cbb1e002db900137d5cf872c7176ce586e84
[INFO] running `Command { std: "docker" "start" "-a" "787ebe07981f0d0a19dbcf5a0916cbb1e002db900137d5cf872c7176ce586e84", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] 
[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] 
[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 5.22s
[INFO] running `Command { std: "docker" "inspect" "787ebe07981f0d0a19dbcf5a0916cbb1e002db900137d5cf872c7176ce586e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787ebe07981f0d0a19dbcf5a0916cbb1e002db900137d5cf872c7176ce586e84", kill_on_drop: false }`
[INFO] [stdout] 787ebe07981f0d0a19dbcf5a0916cbb1e002db900137d5cf872c7176ce586e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1848764d3be2370da020fdd2dcd5b62a11e5738630fd5ed8d5c9d28532a5de9
[INFO] running `Command { std: "docker" "start" "-a" "f1848764d3be2370da020fdd2dcd5b62a11e5738630fd5ed8d5c9d28532a5de9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `arrow_fields`
[INFO] [stderr]   --> src/merger/schema_unifier.rs:48:28
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/merger/schema_unifier.rs:48:59
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arrow_fields`
[INFO] [stderr]   --> src/merger/schema_unifier.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/merger/schema_unifier.rs:50:60
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arrow_fields`
[INFO] [stderr]   --> src/merger/schema_unifier.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow_fields`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/merger/schema_unifier.rs:52:59
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `props`
[INFO] [stderr]    --> src/merger/file_manager.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let props = WriterProperties::builder()
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_props`
[INFO] [stderr] 
[INFO] [stderr] warning: function `start_application_server` is never used
[INFO] [stderr]  --> src/api/server.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub async fn start_application_server() {}
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_input` is never used
[INFO] [stderr]   --> src/cli.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn handle_input() -> Result<(Vec<String>, String), Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_from_fs` is never used
[INFO] [stderr]   --> src/cli.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn read_from_fs(file: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FileNotFoundError` is never constructed
[INFO] [stderr]  --> src/error.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Error {
[INFO] [stderr]   |          ----- variant in this enum
[INFO] [stderr] 5 |     #[error("There was an error reading {0} from the file system. Please make sure you are using an existing file for merging.")]
[INFO] [stderr] 6 |     FileNotFoundError(String)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SchemaUnifier` is never constructed
[INFO] [stderr]   --> src/merger/schema_unifier.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct SchemaUnifier<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/merger/schema_unifier.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<'a> SchemaUnifier<'a> {
[INFO] [stderr]    | -------------------------- associated items in this implementation
[INFO] [stderr] 16 |     pub fn new(file_paths: &'a Vec<String>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn merge_schema_from_files(&'a self) -> SchemaRef {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     fn parquet_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn csv_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 49 |
[INFO] [stderr] 50 |     fn json_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 51 |
[INFO] [stderr] 52 |     fn orc_to_arrow_schema(arrow_fields: &mut Vec<Field>, file: File) {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FileManager` is never constructed
[INFO] [stderr]   --> src/merger/file_manager.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct FileManager {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> src/merger/file_manager.rs:27:12
[INFO] [stderr]     |
[INFO] [stderr]  26 | impl FileManager {
[INFO] [stderr]     | ---------------- associated items in this implementation
[INFO] [stderr]  27 |     pub fn new(file_paths: Vec<String>, schema: SchemaRef, output_file_path: String) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  35 |     pub fn merge_files(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  65 |     fn write_record_batch_to_parquet(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  87 |     fn convert_batch_to_schema(schema: &SchemaRef, record_batch: RecordBatch) -> RecordBatch {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     fn write_to_combined_schema_arrow_batch(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |     fn create_default_array(data_type: &DataType, num_rows: usize) -> ArrayRef {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `FileType` is never used
[INFO] [stderr]    --> src/merger/file_manager.rs:170:10
[INFO] [stderr]     |
[INFO] [stderr] 170 | pub enum FileType {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_file_type` is never used
[INFO] [stderr]    --> src/merger/file_manager.rs:177:8
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub fn get_file_type(path: &Path) -> FileType {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `monopolize` (bin "monopolize" test) generated 17 warnings (run `cargo fix --bin "monopolize" -p monopolize --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monopolize-d686f68d2a3ae211)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1848764d3be2370da020fdd2dcd5b62a11e5738630fd5ed8d5c9d28532a5de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1848764d3be2370da020fdd2dcd5b62a11e5738630fd5ed8d5c9d28532a5de9", kill_on_drop: false }`
[INFO] [stdout] f1848764d3be2370da020fdd2dcd5b62a11e5738630fd5ed8d5c9d28532a5de9
