[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 try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevanbenz%2Fmonopolize" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devanbenz/monopolize on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387b5385d7e54b12c94071bc30a2697b34f18fc4209495533f801d2e1bfb64ed
[INFO] running `Command { std: "docker" "start" "-a" "387b5385d7e54b12c94071bc30a2697b34f18fc4209495533f801d2e1bfb64ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387b5385d7e54b12c94071bc30a2697b34f18fc4209495533f801d2e1bfb64ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387b5385d7e54b12c94071bc30a2697b34f18fc4209495533f801d2e1bfb64ed", kill_on_drop: false }`
[INFO] [stdout] 387b5385d7e54b12c94071bc30a2697b34f18fc4209495533f801d2e1bfb64ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d0b3f0b7e385129144ed4e1a07290374db9fbd0293bd05bac95000d4a25357b
[INFO] running `Command { std: "docker" "start" "-a" "1d0b3f0b7e385129144ed4e1a07290374db9fbd0293bd05bac95000d4a25357b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling arrow-schema v52.1.0
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling flatbuffers v24.3.25
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling zstd-safe v7.2.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling lz4_flex v0.11.3
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling zstd-sys v2.0.11+zstd.1.5.6
[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling chrono-tz-build v0.3.0
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling brotli v6.0.0
[INFO] [stderr]    Compiling thrift v0.17.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling arrow-buffer v52.1.0
[INFO] [stderr]    Compiling chrono-tz v0.9.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling arrow-data v52.1.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling blake3 v1.5.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling arrayref v0.3.8
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling sqlparser_derive v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling sqlparser v0.47.0
[INFO] [stderr]    Compiling tokio v1.39.1
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling snafu v0.7.5
[INFO] [stderr]    Compiling arrow-array v52.1.0
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling comfy-table v7.1.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling xz2 v0.1.7
[INFO] [stderr]    Compiling clap v4.5.9
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling arrow-select v52.1.0
[INFO] [stderr]    Compiling arrow-row v52.1.0
[INFO] [stderr]    Compiling arrow-arith v52.1.0
[INFO] [stderr]    Compiling datafusion-common-runtime v40.0.0
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling async-compression v0.4.12
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling object_store v0.10.2
[INFO] [stderr]    Compiling arrow-cast v52.1.0
[INFO] [stderr]    Compiling arrow-string v52.1.0
[INFO] [stderr]    Compiling arrow-ord v52.1.0
[INFO] [stderr]    Compiling arrow-ipc v52.1.0
[INFO] [stderr]    Compiling arrow-csv v52.1.0
[INFO] [stderr]    Compiling arrow-json v52.1.0
[INFO] [stderr]    Compiling arrow v52.1.0
[INFO] [stderr]    Compiling parquet v52.1.0
[INFO] [stderr]    Compiling datafusion-common v40.0.0
[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)]` (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 3m 35s
[INFO] running `Command { std: "docker" "inspect" "1d0b3f0b7e385129144ed4e1a07290374db9fbd0293bd05bac95000d4a25357b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0b3f0b7e385129144ed4e1a07290374db9fbd0293bd05bac95000d4a25357b", kill_on_drop: false }`
[INFO] [stdout] 1d0b3f0b7e385129144ed4e1a07290374db9fbd0293bd05bac95000d4a25357b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663204216dc3509a5d33dbff7dde2c999dbc6f00c6c14288212706afb1976095
[INFO] running `Command { std: "docker" "start" "-a" "663204216dc3509a5d33dbff7dde2c999dbc6f00c6c14288212706afb1976095", 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 5.84s
[INFO] running `Command { std: "docker" "inspect" "663204216dc3509a5d33dbff7dde2c999dbc6f00c6c14288212706afb1976095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663204216dc3509a5d33dbff7dde2c999dbc6f00c6c14288212706afb1976095", kill_on_drop: false }`
[INFO] [stdout] 663204216dc3509a5d33dbff7dde2c999dbc6f00c6c14288212706afb1976095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cfd79bcb1ad193bd14e153fbdca0ad52a4e022bd45e944f2605db4a15513a98a
[INFO] running `Command { std: "docker" "start" "-a" "cfd79bcb1ad193bd14e153fbdca0ad52a4e022bd45e944f2605db4a15513a98a", 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 0.46s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monopolize-0d87c71219b5a8b7)
[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" "cfd79bcb1ad193bd14e153fbdca0ad52a4e022bd45e944f2605db4a15513a98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd79bcb1ad193bd14e153fbdca0ad52a4e022bd45e944f2605db4a15513a98a", kill_on_drop: false }`
[INFO] [stdout] cfd79bcb1ad193bd14e153fbdca0ad52a4e022bd45e944f2605db4a15513a98a
