[INFO] fetching crate polars-core 0.28.0...
[INFO] testing polars-core-0.28.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate polars-core 0.28.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate polars-core 0.28.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polars-core 0.28.0
[INFO] finished tweaking crates.io crate polars-core 0.28.0
[INFO] tweaked toml for crates.io crate polars-core 0.28.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parquet-format-safe v0.2.4
[INFO] [stderr]   Downloaded parquet2 v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8dd004a6140e83af49c01ef1787385a5a13fc5fb82ea63ed1e1915844d81c3
[INFO] running `Command { std: "docker" "start" "-a" "0d8dd004a6140e83af49c01ef1787385a5a13fc5fb82ea63ed1e1915844d81c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8dd004a6140e83af49c01ef1787385a5a13fc5fb82ea63ed1e1915844d81c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8dd004a6140e83af49c01ef1787385a5a13fc5fb82ea63ed1e1915844d81c3", kill_on_drop: false }`
[INFO] [stdout] 0d8dd004a6140e83af49c01ef1787385a5a13fc5fb82ea63ed1e1915844d81c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a0ca267fef0bd344de87d6513ac1666a27edad864cc40463e7909717bbf7935
[INFO] running `Command { std: "docker" "start" "-a" "4a0ca267fef0bd344de87d6513ac1666a27edad864cc40463e7909717bbf7935", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling target-features v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling dyn-clone v1.0.11
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hash_hasher v2.0.3
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling simdutf8 v0.1.4
[INFO] [stderr]    Compiling ethnum v1.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling xxhash-rust v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling arrow2 v0.17.0
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling bytemuck_derive v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling polars-utils v0.28.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling multiversion-macros v0.7.1
[INFO] [stderr]    Compiling multiversion v0.7.1
[INFO] [stderr]    Compiling polars-error v0.28.0
[INFO] [stderr]    Compiling polars-row v0.28.0
[INFO] [stderr]    Compiling polars-arrow v0.28.0
[INFO] [stderr]    Compiling polars-core v0.28.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `timestamp_ms_to_datetime`, `timestamp_ns_to_datetime`, `timestamp_us_to_datetime`
[INFO] [stdout]  --> src/datatypes/any_value.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     timestamp_ms_to_datetime, timestamp_ns_to_datetime, timestamp_us_to_datetime,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/datatypes/any_value.rs:542:13
[INFO] [stdout]     |
[INFO] [stdout] 542 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/datatypes/any_value.rs:653:13
[INFO] [stdout]     |
[INFO] [stdout] 653 |             dt => polars_bail!(ComputeError: "cannot get static any-value from {}", dt),
[INFO] [stdout]     |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeunit`
[INFO] [stdout]    --> src/series/mod.rs:762:39
[INFO] [stdout]     |
[INFO] [stdout] 762 |     pub(crate) fn into_datetime(self, timeunit: TimeUnit, tz: Option<TimeZone>) -> Series {
[INFO] [stdout]     |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeunit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tz`
[INFO] [stdout]    --> src/series/mod.rs:762:59
[INFO] [stdout]     |
[INFO] [stdout] 762 |     pub(crate) fn into_datetime(self, timeunit: TimeUnit, tz: Option<TimeZone>) -> Series {
[INFO] [stdout]     |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_tz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeunit`
[INFO] [stdout]    --> src/series/mod.rs:787:39
[INFO] [stdout]     |
[INFO] [stdout] 787 |     pub(crate) fn into_duration(self, timeunit: TimeUnit) -> Series {
[INFO] [stdout]     |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeunit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chunked_array/ops/explode.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let mut s = if ca._can_fast_explode() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECONDS_IN_DAY` is never used
[INFO] [stdout]  --> src/chunked_array/temporal/conversion.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) const SECONDS_IN_DAY: i64 = 86_400;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naive_datetime_to_date` is never used
[INFO] [stdout]   --> src/chunked_array/temporal/conversion.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(crate) fn naive_datetime_to_date(v: NaiveDateTime) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NS_IN_DAY` is never used
[INFO] [stdout]   --> src/chunked_array/temporal/conversion.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) const NS_IN_DAY: i64 = 86_400_000_000_000;
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `US_IN_DAY` is never used
[INFO] [stdout]   --> src/chunked_array/temporal/conversion.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub(crate) const US_IN_DAY: i64 = 86_400_000_000;
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MS_IN_DAY` is never used
[INFO] [stdout]   --> src/chunked_array/temporal/conversion.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub(crate) const MS_IN_DAY: i64 = 86_400_000;
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_MAX_COLS` is never used
[INFO] [stdout]  --> src/config.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) const FMT_MAX_COLS: &str = "POLARS_FMT_MAX_COLS";
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_CELL_ALIGNMENT` is never used
[INFO] [stdout]  --> src/config.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) const FMT_TABLE_CELL_ALIGNMENT: &str = "POLARS_FMT_TABLE_CELL_ALIGNMENT";
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_DATAFRAME_SHAPE_BELOW` is never used
[INFO] [stdout]  --> src/config.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const FMT_TABLE_DATAFRAME_SHAPE_BELOW: &str = "POLARS_FMT_TABLE_DATAFRAME_SHAPE_BELOW";
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_FORMATTING` is never used
[INFO] [stdout]  --> src/config.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) const FMT_TABLE_FORMATTING: &str = "POLARS_FMT_TABLE_FORMATTING";
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_HIDE_COLUMN_DATA_TYPES` is never used
[INFO] [stdout]  --> src/config.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) const FMT_TABLE_HIDE_COLUMN_DATA_TYPES: &str = "POLARS_FMT_TABLE_HIDE_COLUMN_DATA_TYPES";
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_HIDE_COLUMN_NAMES` is never used
[INFO] [stdout]  --> src/config.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) const FMT_TABLE_HIDE_COLUMN_NAMES: &str = "POLARS_FMT_TABLE_HIDE_COLUMN_NAMES";
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_HIDE_COLUMN_SEPARATOR` is never used
[INFO] [stdout]   --> src/config.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) const FMT_TABLE_HIDE_COLUMN_SEPARATOR: &str = "POLARS_FMT_TABLE_HIDE_COLUMN_SEPARATOR";
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_HIDE_DATAFRAME_SHAPE_INFORMATION` is never used
[INFO] [stdout]   --> src/config.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const FMT_TABLE_HIDE_DATAFRAME_SHAPE_INFORMATION: &str =
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_INLINE_COLUMN_DATA_TYPE` is never used
[INFO] [stdout]   --> src/config.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) const FMT_TABLE_INLINE_COLUMN_DATA_TYPE: &str =
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FMT_TABLE_ROUNDED_CORNERS` is never used
[INFO] [stdout]   --> src/config.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) const FMT_TABLE_ROUNDED_CORNERS: &str = "POLARS_FMT_TABLE_ROUNDED_CORNERS";
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_time_units` is never used
[INFO] [stdout]   --> src/datatypes/time_unit.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub(crate) fn convert_time_units(v: i64, tu_l: TimeUnit, tu_r: TimeUnit) -> i64 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `env_is_true` is never used
[INFO] [stdout]    --> src/fmt.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn env_is_true(varname: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_df_shape` is never used
[INFO] [stdout]    --> src/fmt.rs:380:4
[INFO] [stdout]     |
[INFO] [stdout] 380 | fn fmt_df_shape((shape0, shape1): &(usize, usize)) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZES_NS` is never used
[INFO] [stdout]    --> src/fmt.rs:672:7
[INFO] [stdout]     |
[INFO] [stdout] 672 | const SIZES_NS: [i64; 4] = [
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NAMES` is never used
[INFO] [stdout]    --> src/fmt.rs:678:7
[INFO] [stdout]     |
[INFO] [stdout] 678 | const NAMES: [&str; 4] = ["d", "h", "m", "s"];
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZES_US` is never used
[INFO] [stdout]    --> src/fmt.rs:679:7
[INFO] [stdout]     |
[INFO] [stdout] 679 | const SIZES_US: [i64; 4] = [86_400_000_000, 3_600_000_000, 60_000_000, 1_000_000];
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZES_MS` is never used
[INFO] [stdout]    --> src/fmt.rs:680:7
[INFO] [stdout]     |
[INFO] [stdout] 680 | const SIZES_MS: [i64; 4] = [86_400_000, 3_600_000, 60_000, 1_000];
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_duration_ns` is never used
[INFO] [stdout]    --> src/fmt.rs:682:4
[INFO] [stdout]     |
[INFO] [stdout] 682 | fn fmt_duration_ns(f: &mut Formatter<'_>, v: i64) -> fmt::Result {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_duration_us` is never used
[INFO] [stdout]    --> src/fmt.rs:697:4
[INFO] [stdout]     |
[INFO] [stdout] 697 | fn fmt_duration_us(f: &mut Formatter<'_>, v: i64) -> fmt::Result {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_duration_ms` is never used
[INFO] [stdout]    --> src/fmt.rs:710:4
[INFO] [stdout]     |
[INFO] [stdout] 710 | fn fmt_duration_ms(f: &mut Formatter<'_>, v: i64) -> fmt::Result {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_duration` is never used
[INFO] [stdout]    --> src/fmt.rs:721:4
[INFO] [stdout]     |
[INFO] [stdout] 721 | fn format_duration(f: &mut Formatter, v: i64, sizes: &[i64], names: &[&str]) -> fmt::Result {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polars-core`; 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name polars_core --edition=2021 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 --cfg 'feature="chrono"' --cfg 'feature="default"' --cfg 'feature="docs"' --cfg 'feature="private"' --cfg 'feature="regex"' --cfg 'feature="temporal"' -C metadata=823c78004c407aef -C extra-filename=-823c78004c407aef --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-7b7441dc5f411b8c.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libarrow2-19b2a8920f525582.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-82cc2d155c6eb112.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-880b11ceb7ee54e5.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-650b1f78e6d6b724.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-cd84a0240f9403dc.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-4a7e2da62b4b6cd1.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3b93294800e9dc5d.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f612d2e59a7f3606.rmeta --extern polars_arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-9a8c4a2967cb3373.rmeta --extern polars_error=/opt/rustwide/target/debug/deps/libpolars_error-9172aa78fa12064c.rmeta --extern polars_row=/opt/rustwide/target/debug/deps/libpolars_row-c01c0747c65bc737.rmeta --extern polars_utils=/opt/rustwide/target/debug/deps/libpolars_utils-fbfc8f469677ac82.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-5ed71ccd212ee4cd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-62f85974b4cf0dcb.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-a0e264eaec7e6357.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-c22b29474de6491b.rmeta --extern xxhash_rust=/opt/rustwide/target/debug/deps/libxxhash_rust-9fb79824aab1a7a7.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4a0ca267fef0bd344de87d6513ac1666a27edad864cc40463e7909717bbf7935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0ca267fef0bd344de87d6513ac1666a27edad864cc40463e7909717bbf7935", kill_on_drop: false }`
[INFO] [stdout] 4a0ca267fef0bd344de87d6513ac1666a27edad864cc40463e7909717bbf7935
