[INFO] fetching crate polars-core 0.53.0...
[INFO] testing polars-core-0.53.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate polars-core 0.53.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate polars-core 0.53.0
[INFO] finished tweaking crates.io crate polars-core 0.53.0
[INFO] tweaked toml for crates.io crate polars-core 0.53.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-core 0.53.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polars-core 0.53.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6637243497e8b207433c1f24d0a07872f9ad392db6990aee09b6e9ff7640046
[INFO] running `Command { std: "docker" "start" "-a" "e6637243497e8b207433c1f24d0a07872f9ad392db6990aee09b6e9ff7640046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6637243497e8b207433c1f24d0a07872f9ad392db6990aee09b6e9ff7640046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6637243497e8b207433c1f24d0a07872f9ad392db6990aee09b6e9ff7640046", kill_on_drop: false }`
[INFO] [stdout] e6637243497e8b207433c1f24d0a07872f9ad392db6990aee09b6e9ff7640046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 667474d0ff9bb3c89c148f20b1549daf8c33d670701a582bbf7254cc291b0e6d
[INFO] running `Command { std: "docker" "start" "-a" "667474d0ff9bb3c89c148f20b1549daf8c33d670701a582bbf7254cc291b0e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling signal-hook v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling polars-utils v0.53.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling polars-error v0.53.0
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling uuid v1.19.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling polars-schema v0.53.0
[INFO] [stderr]    Compiling polars-buffer v0.53.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling ar_archive_writer v0.2.0
[INFO] [stderr]    Compiling polars-arrow v0.53.0
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling ethnum v1.5.2
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]    Compiling psm v0.1.28
[INFO] [stderr]    Compiling polars-compute v0.53.0
[INFO] [stderr]    Compiling debug_unsafe v0.1.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling atoi_simd v0.17.0
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling fast-float2 v0.2.3
[INFO] [stderr]    Compiling boxcar v0.2.14
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling polars-core v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling argminmax v0.6.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling polars-dtype v0.53.0
[INFO] [stderr]    Compiling polars-row v0.53.0
[INFO] [stdout] warning: unused import: `crate::utils::index_to_chunked_index`
[INFO] [stdout]  --> src/chunked_array/ops/any_value.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::utils::index_to_chunked_index;
[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: `crate::series::implementations::null::NullChunked`
[INFO] [stdout]  --> src/chunked_array/ops/shift.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::series::implementations::null::NullChunked;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arg_sort::arg_sort_row_fmt`
[INFO] [stdout]   --> src/chunked_array/ops/sort/mod.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) use arg_sort::arg_sort_row_fmt;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::handle_casting_failures`
[INFO] [stdout]   --> src/chunked_array/cast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::utils::handle_casting_failures;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd` and `BitOr`
[INFO] [stdout]  --> src/chunked_array/comparison/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{BitAnd, BitOr, Not};
[INFO] [stdout]   |                ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::align_chunks_binary`
[INFO] [stdout]   --> src/chunked_array/comparison/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::utils::align_chunks_binary;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_error::PolarsResult`
[INFO] [stdout]  --> src/chunked_array/binary_offset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars_error::PolarsResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_row::RowEncodingOptions`
[INFO] [stdout]  --> src/chunked_array/binary_offset.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use polars_row::RowEncodingOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryOffsetChunked` and `Field`
[INFO] [stdout]  --> src/chunked_array/binary_offset.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::prelude::{BinaryOffsetChunked, Field};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_utils::itertools::Itertools`
[INFO] [stdout]  --> src/datatypes/dtype.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use polars_utils::itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DataType::*`
[INFO] [stdout]    --> src/datatypes/dtype.rs:530:13
[INFO] [stdout]     |
[INFO] [stdout] 530 |         use DataType::*;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_dtype::categorical::CategoricalPhysical`
[INFO] [stdout]  --> src/datatypes/field.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use polars_dtype::categorical::CategoricalPhysical;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_bail`
[INFO] [stdout]  --> src/datatypes/temporal/time_zone.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars_error::{PolarsResult, polars_bail};
[INFO] [stdout]   |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config`
[INFO] [stdout]  --> src/datatypes/temporal/time_zone.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::config;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_utils::UnitVec`
[INFO] [stdout]  --> src/frame/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use polars_utils::UnitVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/frame/group_by/aggregations/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/scalar/new.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_error::PolarsResult`
[INFO] [stdout]  --> src/scalar/new.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use polars_error::PolarsResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_utils::pl_str::PlSmallStr`
[INFO] [stdout]  --> src/scalar/new.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use polars_utils::pl_str::PlSmallStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::datatypes::time_unit::TimeUnit`
[INFO] [stdout]  --> src/scalar/new.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::datatypes::time_unit::TimeUnit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TimeZone`
[INFO] [stdout]  --> src/scalar/new.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::prelude::{AnyValue, DataType, TimeZone};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]   --> src/schema/iceberg.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::prelude::{DataType, Field, PlIndexMap};
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::bitmap::MutableBitmap`
[INFO] [stdout]  --> src/series/any_value.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use arrow::bitmap::MutableBitmap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::align_chunks_binary`
[INFO] [stdout]  --> src/series/arithmetic/borrowed.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::align_chunks_binary;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `with_match_pl_num_arith`
[INFO] [stdout]    --> src/series/arithmetic/list_utils.rs:161:14
[INFO] [stdout]     |
[INFO] [stdout] 161 | macro_rules! with_match_pl_num_arith {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `with_match_pl_num_arith`
[INFO] [stdout]    --> src/series/arithmetic/list_utils.rs:200:16
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub(super) use with_match_pl_num_arith;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::types::months_days_ns`
[INFO] [stdout]   --> src/series/from.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use arrow::types::months_days_ns;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_utils::itertools::Itertools`
[INFO] [stdout]   --> src/series/from.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use polars_utils::itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_unit`
[INFO] [stdout]    --> src/datatypes/any_value.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |             DT::Datetime(time_unit, time_zone) => feature_gated!(
[INFO] [stdout]     |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_unit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_zone`
[INFO] [stdout]    --> src/datatypes/any_value.rs:172:37
[INFO] [stdout]     |
[INFO] [stdout] 172 |             DT::Datetime(time_unit, time_zone) => feature_gated!(
[INFO] [stdout]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_zone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_unit`
[INFO] [stdout]    --> src/datatypes/any_value.rs:176:26
[INFO] [stdout]     |
[INFO] [stdout] 176 |             DT::Duration(time_unit) => {
[INFO] [stdout]     |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_unit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/datatypes/any_value.rs:819:20
[INFO] [stdout]     |
[INFO] [stdout] 819 |             Int128(v) => feature_gated!("dtype-i128", v.hash(state)),
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/datatypes/any_value.rs:824:21
[INFO] [stdout]     |
[INFO] [stdout] 824 |             UInt128(v) => feature_gated!("dtype-u128", v.hash(state)),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/datatypes/temporal/time_zone.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut canonical_tz = Self::_canonical_timezone_impl(zone_str);
[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: `ca`
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 362 | impl_cond_phys_dtype!(UInt8Type, "dtype-u8");
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `ca` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 362 | impl_cond_phys_dtype!(UInt8Type, "dtype-u8");
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `impl_cond_phys_dtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ca`
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 363 | impl_cond_phys_dtype!(UInt16Type, "dtype-u16");
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `ca` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 363 | impl_cond_phys_dtype!(UInt16Type, "dtype-u16");
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `impl_cond_phys_dtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ca`
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 364 | impl_cond_phys_dtype!(Int8Type, "dtype-i8");
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `ca` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 364 | impl_cond_phys_dtype!(Int8Type, "dtype-i8");
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `impl_cond_phys_dtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ca`
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | impl_cond_phys_dtype!(Int16Type, "dtype-i16");
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `ca` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/datatypes/mod.rs:346:31
[INFO] [stdout]     |
[INFO] [stdout] 346 |             fn ca_into_series(ca: ChunkedArray<Self>) -> Series {
[INFO] [stdout]     |                               ^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | impl_cond_phys_dtype!(Int16Type, "dtype-i16");
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `impl_cond_phys_dtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/fmt.rs:1175:31
[INFO] [stdout]      |
[INFO] [stdout] 1175 |             AnyValue::UInt128(v) => feature_gated!("dtype-u128", fmt_integer(f, width, *v)),
[INFO] [stdout]      |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/fmt.rs:1180:30
[INFO] [stdout]      |
[INFO] [stdout] 1180 |             AnyValue::Int128(v) => feature_gated!("dtype-i128", fmt_integer(f, width, *v)),
[INFO] [stdout]      |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/fmt.rs:1181:31
[INFO] [stdout]      |
[INFO] [stdout] 1181 |             AnyValue::Float16(v) => feature_gated!("dtype-f16", fmt_float(f, width, *v)),
[INFO] [stdout]      |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner`
[INFO] [stdout]   --> src/schema/iceberg.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |             FixedSizeList(inner, width) => {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_inner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/schema/iceberg.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |             FixedSizeList(inner, width) => {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]   --> src/schema/iceberg.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |             Struct(fields) => feature_gated!("dtype-struct", {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/series/from.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         mut chunks: Vec<ArrayRef>,
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/series/from.rs:315:38
[INFO] [stdout]     |
[INFO] [stdout] 315 |             ArrowDataType::Decimal32(precision, scale) => {
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]    --> src/series/from.rs:315:49
[INFO] [stdout]     |
[INFO] [stdout] 315 |             ArrowDataType::Decimal32(precision, scale) => {
[INFO] [stdout]     |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/series/from.rs:342:38
[INFO] [stdout]     |
[INFO] [stdout] 342 |             ArrowDataType::Decimal64(precision, scale) => {
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]    --> src/series/from.rs:342:49
[INFO] [stdout]     |
[INFO] [stdout] 342 |             ArrowDataType::Decimal64(precision, scale) => {
[INFO] [stdout]     |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/series/from.rs:369:36
[INFO] [stdout]     |
[INFO] [stdout] 369 |             ArrowDataType::Decimal(precision, scale) => {
[INFO] [stdout]     |                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]    --> src/series/from.rs:369:47
[INFO] [stdout]     |
[INFO] [stdout] 369 |             ArrowDataType::Decimal(precision, scale) => {
[INFO] [stdout]     |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/series/from.rs:391:39
[INFO] [stdout]     |
[INFO] [stdout] 391 |             ArrowDataType::Decimal256(precision, scale) => {
[INFO] [stdout]     |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]    --> src/series/from.rs:391:50
[INFO] [stdout]     |
[INFO] [stdout] 391 |             ArrowDataType::Decimal256(precision, scale) => {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dt`
[INFO] [stdout]    --> src/series/from.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         dt @ ArrowDataType::Extension(_) => {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compat_level`
[INFO] [stdout]    --> src/series/into.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     compat_level: CompatLevel,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compat_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tu`
[INFO] [stdout]    --> src/series/mod.rs:548:36
[INFO] [stdout]     |
[INFO] [stdout] 548 |             (D::Int64, D::Datetime(tu, tz)) => feature_gated!(
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_tu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tz`
[INFO] [stdout]    --> src/series/mod.rs:548:40
[INFO] [stdout]     |
[INFO] [stdout] 548 |             (D::Int64, D::Datetime(tu, tz)) => feature_gated!(
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_tz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tu`
[INFO] [stdout]    --> src/series/mod.rs:552:36
[INFO] [stdout]     |
[INFO] [stdout] 552 |             (D::Int64, D::Duration(tu)) => {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_tu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arg_sort_row_fmt` is never used
[INFO] [stdout]    --> src/chunked_array/ops/sort/arg_sort.rs:256:15
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub(crate) fn arg_sort_row_fmt(
[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 `struct_owned_value_iter` is never used
[INFO] [stdout]     --> src/datatypes/any_value.rs:1156:12
[INFO] [stdout]      |
[INFO] [stdout] 1156 |         fn struct_owned_value_iter<'a>(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_value_iter` is never used
[INFO] [stdout]     --> src/datatypes/any_value.rs:1161:12
[INFO] [stdout]      |
[INFO] [stdout] 1161 |         fn struct_value_iter(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `struct_eq_missing` is never used
[INFO] [stdout]     --> src/datatypes/any_value.rs:1175:12
[INFO] [stdout]      |
[INFO] [stdout] 1175 |         fn struct_eq_missing<'a>(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `estimate_string_width` is never used
[INFO] [stdout]    --> src/fmt.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn estimate_string_width(s: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `str_value` is never used
[INFO] [stdout]     --> src/frame/column/mod.rs:1500:19
[INFO] [stdout]      |
[INFO] [stdout]   51 | impl Column {
[INFO] [stdout]      | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1500 |     pub(crate) fn str_value(&self, index: usize) -> PolarsResult<Cow<'_, str>> {
[INFO] [stdout]      |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name`, `prepare_numeric_op_side_validities`, `apply_series`, `apply_arithmetic_kernel`, and `apply_array_to_scalar` are never used
[INFO] [stdout]    --> src/series/arithmetic/list_utils.rs:25:19
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl NumericOp {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout]  25 |     pub(super) fn name(&self) -> &'static str {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     pub(super) fn prepare_numeric_op_side_validities<T: PolarsNumericType>(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  84 |     pub(super) fn apply_series(&self, lhs: &Series, rhs: &Series) -> Box<dyn Array> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn apply_arithmetic_kernel<T: PolarsNumericType>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub(super) fn apply_array_to_scalar<T: PolarsNumericType>(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOpApplyType` is never used
[INFO] [stdout]    --> src/series/arithmetic/list_utils.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub(super) enum BinaryOpApplyType {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Broadcast` is never used
[INFO] [stdout]    --> src/series/arithmetic/list_utils.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub(super) enum Broadcast {
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polars-core` (lib); 67 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name polars_core --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 '--allow=clippy::collapsible_if' --cfg 'feature="algorithm_group_by"' --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("algorithm_group_by", "allow_unused", "approx_unique", "array_arithmetic", "avx512", "bigidx", "bitwise", "checked_arithmetic", "chrono", "chrono-tz", "comfy-table", "dataframe_arithmetic", "default", "describe", "diagonal_concat", "docs", "docs-selection", "dot_product", "dsl-schema", "dtype-array", "dtype-categorical", "dtype-date", "dtype-datetime", "dtype-decimal", "dtype-duration", "dtype-extension", "dtype-f16", "dtype-i128", "dtype-i16", "dtype-i8", "dtype-struct", "dtype-time", "dtype-u128", "dtype-u16", "dtype-u8", "dynamic_group_by", "fmt", "fmt_no_tty", "group_by_list", "half", "is_first_distinct", "is_last_distinct", "lazy", "list_arithmetic", "ndarray", "nightly", "object", "partition_by", "performant", "product", "proptest", "python", "rand", "rand_distr", "random", "regex", "reinterpret", "rolling_window", "rolling_window_by", "round_series", "row_hash", "rows", "serde", "serde-lazy", "serde_json", "simd", "strings", "take_opt_iter", "temporal", "timezones", "unique_counts", "zip_with"))' -C metadata=550e7b4911f9a634 -C extra-filename=-a65e0b390a850fa6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-cd6205512b47de5d.rmeta --extern boxcar=/opt/rustwide/target/debug/deps/libboxcar-9e41b396f3c7117d.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-5e15b26e14fa57d7.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-17f13debee93d048.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-5976145967757abf.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-2b59657fa655d299.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-49586d14a78357da.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-958180966766c9e6.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3fc39326d4c66404.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-ed46a02aead5cb44.rmeta --extern polars_buffer=/opt/rustwide/target/debug/deps/libpolars_buffer-7b5cc09bb794fab6.rmeta --extern polars_compute=/opt/rustwide/target/debug/deps/libpolars_compute-3b5508a608f31aac.rmeta --extern polars_dtype=/opt/rustwide/target/debug/deps/libpolars_dtype-676c1c59d664246a.rmeta --extern polars_error=/opt/rustwide/target/debug/deps/libpolars_error-780ad13bc498a877.rmeta --extern polars_row=/opt/rustwide/target/debug/deps/libpolars_row-abc87aaa82d0b7c3.rmeta --extern polars_schema=/opt/rustwide/target/debug/deps/libpolars_schema-76ee411a711d8d1b.rmeta --extern polars_utils=/opt/rustwide/target/debug/deps/libpolars_utils-a8e10e959aa55a36.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-5d420e682b38405d.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-11a94c99fd8bf05a.so --extern uuid=/opt/rustwide/target/debug/deps/libuuid-f9980932598cd144.rmeta --extern xxhash_rust=/opt/rustwide/target/debug/deps/libxxhash_rust-89bb1c13ccea4592.rmeta --cap-lints=warn -L native=/opt/rustwide/target/debug/build/psm-fc52852ffcadcc32/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "667474d0ff9bb3c89c148f20b1549daf8c33d670701a582bbf7254cc291b0e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667474d0ff9bb3c89c148f20b1549daf8c33d670701a582bbf7254cc291b0e6d", kill_on_drop: false }`
[INFO] [stdout] 667474d0ff9bb3c89c148f20b1549daf8c33d670701a582bbf7254cc291b0e6d
