[INFO] cloning repository https://github.com/akshayatam/rust-polars-data-engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akshayatam/rust-polars-data-engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakshayatam%2Frust-polars-data-engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakshayatam%2Frust-polars-data-engineering'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 86872257f5a9071310c5ec013e34e31ff062b8d6 [INFO] checking akshayatam/rust-polars-data-engineering against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147995 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakshayatam%2Frust-polars-data-engineering" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/akshayatam/rust-polars-data-engineering [INFO] finished tweaking git repo https://github.com/akshayatam/rust-polars-data-engineering [INFO] tweaked toml for git repo https://github.com/akshayatam/rust-polars-data-engineering written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/akshayatam/rust-polars-data-engineering on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/akshayatam/rust-polars-data-engineering 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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded streaming-iterator v0.1.9 [INFO] [stderr] Downloaded polars-error v0.33.2 [INFO] [stderr] Downloaded polars v0.33.2 [INFO] [stderr] Downloaded streaming-decompression v0.1.2 [INFO] [stderr] Downloaded polars-utils v0.33.2 [INFO] [stderr] Downloaded array-init-cursor v0.2.1 [INFO] [stderr] Downloaded polars-time v0.33.2 [INFO] [stderr] Downloaded polars-row v0.33.2 [INFO] [stderr] Downloaded polars-sql v0.33.2 [INFO] [stderr] Downloaded polars-arrow v0.33.2 [INFO] [stderr] Downloaded hash_hasher v2.0.4 [INFO] [stderr] Downloaded polars-pipe v0.33.2 [INFO] [stderr] Downloaded polars-lazy v0.33.2 [INFO] [stderr] Downloaded sqlparser v0.36.1 [INFO] [stderr] Downloaded polars-io v0.33.2 [INFO] [stderr] Downloaded argminmax v0.6.3 [INFO] [stderr] Downloaded polars-plan v0.33.2 [INFO] [stderr] Downloaded comfy-table v7.2.0 [INFO] [stderr] Downloaded itoap v1.0.1 [INFO] [stderr] Downloaded polars-ops v0.33.2 [INFO] [stderr] Downloaded ethnum v1.5.2 [INFO] [stderr] 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"ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30e907e908709302e109dc824bed4d365a44864fae528032c98f155f30b66fba [INFO] running `Command { std: "docker" "start" "-a" "30e907e908709302e109dc824bed4d365a44864fae528032c98f155f30b66fba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30e907e908709302e109dc824bed4d365a44864fae528032c98f155f30b66fba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30e907e908709302e109dc824bed4d365a44864fae528032c98f155f30b66fba", kill_on_drop: false }` [INFO] [stdout] 30e907e908709302e109dc824bed4d365a44864fae528032c98f155f30b66fba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed8b558bb12350d889630c1981651aa2538938476b288efc91bb334ab4bd5c5a [INFO] running `Command { std: "docker" "start" "-a" "ed8b558bb12350d889630c1981651aa2538938476b288efc91bb334ab4bd5c5a", kill_on_drop: false }` [INFO] [stderr] Compiling find-msvc-tools v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Checking lexical-util v0.8.5 [INFO] [stderr] Compiling target-features v0.1.6 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling zstd-safe v6.0.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling snap v1.1.1 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking brotli-decompressor v2.5.1 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling phf v0.11.3 [INFO] [stderr] Checking array-init-cursor 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[stderr] Compiling rustix v1.1.2 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking lexical-core v0.8.5 [INFO] [stderr] Compiling polars-utils v0.33.2 [INFO] [stderr] Checking linux-raw-sys v0.11.0 [INFO] [stderr] Compiling litrs v0.4.2 [INFO] [stderr] Checking bitflags v2.9.4 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Compiling polars-arrow v0.33.2 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking atoi v2.0.0 [INFO] [stderr] Checking brotli v3.5.0 [INFO] [stderr] Compiling polars-core v0.33.2 [INFO] [stderr] Checking unicode-width v0.2.1 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Checking indexmap v2.11.1 [INFO] [stderr] Compiling polars-ops v0.33.2 [INFO] [stderr] Compiling regex-automata v0.4.10 [INFO] [stderr] Checking xxhash-rust v0.8.15 [INFO] [stderr] Checking itoap v1.0.1 [INFO] [stderr] Checking argminmax v0.6.3 [INFO] [stderr] Compiling document-features v0.2.11 [INFO] [stderr] Checking lexical v6.1.1 [INFO] [stderr] Checking memmap2 v0.7.1 [INFO] [stderr] Compiling zstd-sys v2.0.16+zstd.1.5.7 [INFO] [stderr] Compiling lz4-sys v1.11.1+lz4-1.10.0 [INFO] [stderr] Compiling polars-plan v0.33.2 [INFO] [stderr] Checking fast-float v0.2.0 [INFO] [stderr] Compiling polars-lazy v0.33.2 [INFO] [stderr] Compiling polars v0.33.2 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking now v0.1.3 [INFO] [stderr] Checking glob v0.3.3 [INFO] [stderr] Checking crossterm v0.29.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking comfy-table v7.2.0 [INFO] [stderr] Compiling regex v1.11.2 [INFO] [stderr] Compiling parse-zoneinfo v0.3.1 [INFO] [stderr] Compiling chrono-tz-build v0.2.1 [INFO] [stderr] Compiling multiversion-macros v0.7.4 [INFO] [stderr] Compiling chrono-tz v0.8.6 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling bytemuck_derive v1.10.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking multiversion v0.7.4 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking bytemuck v1.23.2 [INFO] [stderr] Checking zstd v0.12.4 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking parquet-format-safe v0.2.4 [INFO] [stderr] Checking arrow-format v0.8.1 [INFO] [stderr] Checking lz4 v1.28.1 [INFO] [stderr] Checking parquet2 v0.17.2 [INFO] [stderr] Checking polars-error v0.33.2 [INFO] [stderr] Checking polars-row v0.33.2 [INFO] [stderr] Checking polars-time v0.33.2 [INFO] [stderr] Checking polars-io v0.33.2 [INFO] [stderr] Checking rust-data-engineering v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/expressions/expressions.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/expressions/expressions.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut cnt = explore(&mut df, select_col)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count_col` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let count_col = "State"; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count_col` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cnt` [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut cnt = explore(&mut df, select_col)?; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cnt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_parquet` is never used [INFO] [stdout] --> src/io/io.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn write_parquet(df: &mut DataFrame, output_file: &str) -> PolarsResult<()> { [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 `get_count` is never used [INFO] [stdout] --> src/expressions/expressions.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn get_count(df: &mut DataFrame, column: &str) -> PolarsResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `down_cast` is never used [INFO] [stdout] --> src/expressions/expressions.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn down_cast(df: &mut DataFrame, columns: &[&str]) -> PolarsResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut cnt = explore(&mut df, select_col)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count_col` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let count_col = "State"; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count_col` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cnt` [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut cnt = explore(&mut df, select_col)?; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cnt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_parquet` is never used [INFO] [stdout] --> src/io/io.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn write_parquet(df: &mut DataFrame, output_file: &str) -> PolarsResult<()> { [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 `get_count` is never used [INFO] [stdout] --> src/expressions/expressions.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn get_count(df: &mut DataFrame, column: &str) -> PolarsResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `down_cast` is never used [INFO] [stdout] --> src/expressions/expressions.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn down_cast(df: &mut DataFrame, columns: &[&str]) -> PolarsResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" 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