[INFO] fetching crate polars-core 0.17.0...
[INFO] testing polars-core-0.17.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate polars-core 0.17.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polars-core 0.17.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polars-core 0.17.0
[INFO] finished tweaking crates.io crate polars-core 0.17.0
[INFO] tweaked toml for crates.io crate polars-core 0.17.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b02c549c382d5fb2983e3e5a4763a31f811c2f66395995132e9f0e6f61c2bee3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b02c549c382d5fb2983e3e5a4763a31f811c2f66395995132e9f0e6f61c2bee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02c549c382d5fb2983e3e5a4763a31f811c2f66395995132e9f0e6f61c2bee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02c549c382d5fb2983e3e5a4763a31f811c2f66395995132e9f0e6f61c2bee3", kill_on_drop: false }`
[INFO] [stdout] b02c549c382d5fb2983e3e5a4763a31f811c2f66395995132e9f0e6f61c2bee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d19e45bc5def6017edd233b89c4cf826f351fb2170633e69a7280cbea77f3d96
[INFO] running `Command { std: "docker" "start" "-a" "d19e45bc5def6017edd233b89c4cf826f351fb2170633e69a7280cbea77f3d96", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling hash_hasher v2.0.3
[INFO] [stderr]    Compiling simdutf8 v0.1.3
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.47
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unsafe_unwrap v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling lexical-util v0.8.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.0
[INFO] [stderr]    Compiling lexical-write-integer v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling lexical-write-float v0.8.2
[INFO] [stderr]    Compiling lexical-parse-float v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling lexical-core v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling arrow2 v0.7.0
[INFO] [stderr]    Compiling polars-arrow v0.17.0
[INFO] [stderr]    Compiling polars-core v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArrayRef`, `PrimitiveArray`
[INFO] [stdout]  --> src/chunked_array/kernels/temporal.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use arrow::array::{ArrayRef, PrimitiveArray};
[INFO] [stdout]   |                    ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::compute::arity::unary`
[INFO] [stdout]  --> src/chunked_array/kernels/temporal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use arrow::compute::arity::unary;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `date32_to_datetime`, `timestamp_ms_to_datetime`
[INFO] [stdout]  --> src/chunked_array/kernels/temporal.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | use arrow::temporal_conversions::{date32_to_datetime, timestamp_ms_to_datetime};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Timelike`
[INFO] [stdout]  --> src/chunked_array/kernels/temporal.rs:9:50
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chrono::{Datelike, NaiveDate, NaiveDateTime, Timelike};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/chunked_array/kernels/temporal.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `to_temporal_unit`
[INFO] [stdout]   --> src/chunked_array/kernels/temporal.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 | macro_rules! to_temporal_unit {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::temporal_conversions::timestamp_ms_to_datetime`
[INFO] [stdout]  --> src/chunked_array/temporal/conversion.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use arrow::temporal_conversions::timestamp_ms_to_datetime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/chunked_array/temporal/utf8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::chunked_array::kernels::temporal::*`
[INFO] [stdout]   --> src/chunked_array/temporal/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::chunked_array::kernels::temporal::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NaiveTime`
[INFO] [stdout]   --> src/chunked_array/temporal/mod.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | use chrono::{NaiveDate, NaiveDateTime, NaiveTime};
[INFO] [stdout]    |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/series/comparison.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::compute::cast::cast`
[INFO] [stdout]  --> src/series/into.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use arrow::compute::cast::cast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `series::arithmetic::coerce_lhs_rhs`
[INFO] [stdout]   --> src/series/mod.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::{series::arithmetic::coerce_lhs_rhs, POOL};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude`
[INFO] [stdout]  --> src/chunked_array/kernels/temporal.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fmt`
[INFO] [stdout]     --> src/series/series_trait.rs:1018:24
[INFO] [stdout]      |
[INFO] [stdout] 1018 |     fn strftime(&self, fmt: &str) -> Result<Series> {
[INFO] [stdout]      |                        ^^^ help: if this is intentional, prefix it with an underscore: `_fmt`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `align_chunks_ternary`
[INFO] [stdout]    --> src/utils.rs:737:15
[INFO] [stdout]     |
[INFO] [stdout] 737 | pub(crate) fn align_chunks_ternary<'a, A, B, C>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ordering_other_columns`
[INFO] [stdout]    --> src/chunked_array/ops/sort.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn ordering_other_columns<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SECONDS_IN_DAY`
[INFO] [stdout]  --> src/chunked_array/temporal/conversion.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) const SECONDS_IN_DAY: i64 = 86_400;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MILLISECONDS_IN_SECOND`
[INFO] [stdout]   --> src/chunked_array/temporal/conversion.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const MILLISECONDS_IN_SECOND: i64 = 1_000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `naive_datetime_to_date`
[INFO] [stdout]   --> src/chunked_array/temporal/conversion.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) fn naive_datetime_to_date(v: &NaiveDateTime) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `naive_date_to_date`
[INFO] [stdout]   --> src/chunked_array/temporal/conversion.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) fn naive_date_to_date(nd: NaiveDate) -> i32 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `date_pattern`
[INFO] [stdout]   --> src/chunked_array/temporal/utf8.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn date_pattern<F, K>(val: &str, convert: F) -> Option<&'static str>
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_first_val`
[INFO] [stdout]   --> src/chunked_array/temporal/utf8.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn get_first_val(&self) -> Result<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_date`
[INFO] [stdout]    --> src/datatypes.rs:319:19
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub(crate) fn into_date(self) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polars-core`; 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name polars_core --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="performant"' --cfg 'feature="private"' --cfg 'feature="regex"' --cfg 'feature="temporal"' -C metadata=007f9106dcceb32f -C extra-filename=-007f9106dcceb32f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-03f4b2cfacdefd7d.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-f5ccf7dfbfa8eaad.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libarrow2-f4c5161721aabe9f.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-3488a648335b5a29.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-996af226d4c20d1d.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9ade512e5033c232.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-30e5b1cd2289e6ad.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-f58efe109b9782ba.rmeta --extern polars_arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-38bd70387a0e2000.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-14c9280df2ad45f4.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-dd9363dd410b6a25.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d7c4572d54fe1541.rmeta --extern unsafe_unwrap=/opt/rustwide/target/debug/deps/libunsafe_unwrap-2cb032826a6f7e1e.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d19e45bc5def6017edd233b89c4cf826f351fb2170633e69a7280cbea77f3d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19e45bc5def6017edd233b89c4cf826f351fb2170633e69a7280cbea77f3d96", kill_on_drop: false }`
[INFO] [stdout] d19e45bc5def6017edd233b89c4cf826f351fb2170633e69a7280cbea77f3d96