[INFO] cloning repository https://github.com/cvkem/parquet_ops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cvkem/parquet_ops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvkem%2Fparquet_ops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvkem%2Fparquet_ops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b000a718bf7f16a2776ea46a33de0e3b75760df9
[INFO] checking cvkem/parquet_ops against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvkem%2Fparquet_ops" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cvkem/parquet_ops
[INFO] finished tweaking git repo https://github.com/cvkem/parquet_ops
[INFO] tweaked toml for git repo https://github.com/cvkem/parquet_ops written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cvkem/parquet_ops on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cvkem/parquet_ops 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/cvkem/async_bridge.git`
[INFO] [stderr]     Updating git repository `https://github.com/cvkem/s3_file`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd349b04b5c158e732d9d4f73b9754803c66e8f6e7ff80993a5a597e396cbd7e
[INFO] running `Command { std: "docker" "start" "-a" "cd349b04b5c158e732d9d4f73b9754803c66e8f6e7ff80993a5a597e396cbd7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd349b04b5c158e732d9d4f73b9754803c66e8f6e7ff80993a5a597e396cbd7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd349b04b5c158e732d9d4f73b9754803c66e8f6e7ff80993a5a597e396cbd7e", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3c634226dbd1837198faee773e34b6ceaa543426253747e78a7ba1707161b4
[INFO] running `Command { std: "docker" "start" "-a" "5d3c634226dbd1837198faee773e34b6ceaa543426253747e78a7ba1707161b4", kill_on_drop: false }`
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[INFO] [stderr]     Checking parquet_ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/testdata_writer.rs:203:56
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let values: Vec<i64> = rec_ids.map(|i| (i as i64)).collect();
[INFO] [stdout]     |                                                        ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 -                 let values: Vec<i64> = rec_ids.map(|i| (i as i64)).collect();
[INFO] [stdout] 203 +                 let values: Vec<i64> = rec_ids.map(|i| i as i64 ).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/testdata_writer.rs:203:56
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let values: Vec<i64> = rec_ids.map(|i| (i as i64)).collect();
[INFO] [stdout]     |                                                        ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 -                 let values: Vec<i64> = rec_ids.map(|i| (i as i64)).collect();
[INFO] [stdout] 203 +                 let values: Vec<i64> = rec_ids.map(|i| i as i64 ).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sort/sort_algo.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     mut input: RowIterExt,
[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: function `type_of` is never used
[INFO] [stdout]  --> src/metadata.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn type_of<T>(_: &T) -> &'static str {
[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 `create_writer` is never used
[INFO] [stdout]    --> src/rowwritebuffer.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn create_writer(path: &str) -> Box<dyn Write> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]    --> src/rowwritebuffer.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub struct RowImitation {
[INFO] [stdout]     |                ------------ field in this struct
[INFO] [stdout] 181 |         fields: Vec<(String, Field)>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sort/sort_algo.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     mut input: RowIterExt,
[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: function `type_of` is never used
[INFO] [stdout]  --> src/metadata.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn type_of<T>(_: &T) -> &'static str {
[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 `create_writer` is never used
[INFO] [stdout]    --> src/rowwritebuffer.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn create_writer(path: &str) -> Box<dyn Write> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]    --> src/rowwritebuffer.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub struct RowImitation {
[INFO] [stdout]     |                ------------ field in this struct
[INFO] [stdout] 181 |         fields: Vec<(String, Field)>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> examples/write_2NO.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, fs, io::Read, path::Path, thread};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED` is never used
[INFO] [stdout]  --> examples/paths.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MERGED: &str = "./merged.parquet";
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_1_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PATH_1_S3: &str = "s3:parquet-exp:sample_even.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_2_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const PATH_2_S3: &str = "s3:parquet-exp:sample_odd.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const MERGED_S3: &str = "s3:parquet-exp:merged.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> examples/paths.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/write_2NO.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         even_handle.join();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let _ = even_handle.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/write_2NO.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         odd_handle.join();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = odd_handle.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]  --> examples/metadata.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn type_of<T>(_: &T) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_2` is never used
[INFO] [stdout]  --> examples/paths.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const PATH_2: &str = "./sample_odd.parquet";
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED` is never used
[INFO] [stdout]  --> examples/paths.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MERGED: &str = "./merged.parquet";
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_1_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PATH_1_S3: &str = "s3:parquet-exp:sample_even.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_2_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const PATH_2_S3: &str = "s3:parquet-exp:sample_odd.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const MERGED_S3: &str = "s3:parquet-exp:merged.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> examples/paths.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicUsize` and `Ordering`
[INFO] [stdout]  --> examples/merge.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::atomic::{AtomicUsize, Ordering},
[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: `tokio`
[INFO] [stdout]   --> examples/merge.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `the_merge_threaded` is never used
[INFO] [stdout]   --> examples/merge.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn the_merge_threaded(path_1: &str, path_2: &str, merged_path: &str) {
[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 `main` is never used
[INFO] [stdout]   --> examples/paths.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s3_file`
[INFO] [stdout]  --> examples/read_s3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use s3_file;
[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 imports: `fs`, `io::Read`, and `path::Path`
[INFO] [stdout]  --> examples/read_s3.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, fs, io::Read, path::Path};
[INFO] [stdout]   |                ^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]  --> examples/sort.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn type_of<T>(_: &T) -> &'static str {
[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 `comparator` is never used
[INFO] [stdout]   --> examples/sort.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn comparator(row_1: &Row, row_2: &Row) -> Ordering {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_2` is never used
[INFO] [stdout]  --> examples/paths.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const PATH_2: &str = "./sample_odd.parquet";
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED` is never used
[INFO] [stdout]  --> examples/paths.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MERGED: &str = "./merged.parquet";
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_1_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PATH_1_S3: &str = "s3:parquet-exp:sample_even.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_2_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const PATH_2_S3: &str = "s3:parquet-exp:sample_odd.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const MERGED_S3: &str = "s3:parquet-exp:merged.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> examples/paths.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]  --> examples/read_s3.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn type_of<T>(_: &T) -> &'static str {
[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 `smaller_test` is never used
[INFO] [stdout]   --> examples/read_s3.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn smaller_test(row_1: &Row, row_2: &Row) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]  --> examples/read.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn type_of<T>(_: &T) -> &'static str {
[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 `smaller_test` is never used
[INFO] [stdout]   --> examples/read.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn smaller_test(row_1: &Row, row_2: &Row) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_2` is never used
[INFO] [stdout]  --> examples/paths.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const PATH_2: &str = "./sample_odd.parquet";
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED` is never used
[INFO] [stdout]  --> examples/paths.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MERGED: &str = "./merged.parquet";
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_1_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PATH_1_S3: &str = "s3:parquet-exp:sample_even.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_2_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const PATH_2_S3: &str = "s3:parquet-exp:sample_odd.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MERGED_S3` is never used
[INFO] [stdout]  --> examples/paths.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const MERGED_S3: &str = "s3:parquet-exp:merged.parquet";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> examples/paths.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "5d3c634226dbd1837198faee773e34b6ceaa543426253747e78a7ba1707161b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3c634226dbd1837198faee773e34b6ceaa543426253747e78a7ba1707161b4", kill_on_drop: false }`
[INFO] [stdout] 5d3c634226dbd1837198faee773e34b6ceaa543426253747e78a7ba1707161b4
