[INFO] cloning repository https://github.com/krestomantsi/describe_df
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krestomantsi/describe_df" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrestomantsi%2Fdescribe_df", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrestomantsi%2Fdescribe_df'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75adf280d74a215671fb332798411227ece2a0be
[INFO] testing krestomantsi/describe_df against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrestomantsi%2Fdescribe_df" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krestomantsi/describe_df
[INFO] finished tweaking git repo https://github.com/krestomantsi/describe_df
[INFO] tweaked toml for git repo https://github.com/krestomantsi/describe_df written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krestomantsi/describe_df 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 git repo https://github.com/krestomantsi/describe_df 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 43fd0712106ceeef45260e52794f6fe1a82671e954069f99beeb97d421f0747c
[INFO] running `Command { std: "docker" "start" "-a" "43fd0712106ceeef45260e52794f6fe1a82671e954069f99beeb97d421f0747c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43fd0712106ceeef45260e52794f6fe1a82671e954069f99beeb97d421f0747c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fd0712106ceeef45260e52794f6fe1a82671e954069f99beeb97d421f0747c", kill_on_drop: false }`
[INFO] [stdout] 43fd0712106ceeef45260e52794f6fe1a82671e954069f99beeb97d421f0747c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cc5ee820a0306a753e6423ebc3eedfb53ca55357dc38bf59ffffa473b81afe91
[INFO] running `Command { std: "docker" "start" "-a" "cc5ee820a0306a753e6423ebc3eedfb53ca55357dc38bf59ffffa473b81afe91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling array-init-cursor v0.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling planus v0.3.1
[INFO] [stderr]    Compiling polars-utils v0.38.3
[INFO] [stderr]    Compiling simdutf8 v0.1.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling raw-cpuid v11.0.1
[INFO] [stderr]    Compiling polars-arrow v0.38.3
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling atoi_simd v0.15.6
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling ethnum v1.5.0
[INFO] [stderr]    Compiling dyn-clone v1.0.17
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling polars-compute v0.38.3
[INFO] [stderr]    Compiling polars-core v0.38.3
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling polars-ops v0.38.3
[INFO] [stderr]    Compiling xxhash-rust v0.8.10
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling streaming-decompression v0.1.2
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling polars v0.38.3
[INFO] [stderr]    Compiling parquet-format-safe v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling chrono v0.4.37
[INFO] [stderr]    Compiling argminmax v0.6.2
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ordered-float v4.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling now v0.1.3
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling multiversion-macros v0.7.4
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling multiversion v0.7.4
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling comfy-table v7.1.0
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling polars-arrow-format v0.1.0
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling polars-error v0.38.3
[INFO] [stderr]    Compiling polars-row v0.38.3
[INFO] [stderr]    Compiling polars-parquet v0.38.3
[INFO] [stderr]    Compiling polars-time v0.38.3
[INFO] [stderr] error: could not compile `polars-core` (lib)
[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=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-core-0.38.3/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="algorithm_group_by"' --cfg 'feature="chrono"' --cfg 'feature="comfy-table"' --cfg 'feature="docs"' --cfg 'feature="dtype-date"' --cfg 'feature="dtype-datetime"' --cfg 'feature="dtype-duration"' --cfg 'feature="dtype-time"' --cfg 'feature="fmt"' --cfg 'feature="regex"' --cfg 'feature="rows"' --cfg 'feature="temporal"' --cfg 'feature="zip_with"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("algorithm_group_by", "arrow-array", "arrow_rs", "avx512", "bigidx", "checked_arithmetic", "chrono", "chrono-tz", "comfy-table", "dataframe_arithmetic", "default", "describe", "diagonal_concat", "docs", "docs-selection", "dot_product", "dtype-array", "dtype-categorical", "dtype-date", "dtype-datetime", "dtype-decimal", "dtype-duration", "dtype-i16", "dtype-i8", "dtype-struct", "dtype-time", "dtype-u16", "dtype-u8", "dynamic_group_by", "fmt", "fmt_no_tty", "group_by_list", "is_first_distinct", "is_last_distinct", "lazy", "ndarray", "nightly", "object", "partition_by", "performant", "product", "python", "rand", "rand_distr", "random", "regex", "reinterpret", "rolling_window", "round_series", "row_hash", "rows", "serde", "serde-lazy", "serde_json", "simd", "strings", "take_opt_iter", "temporal", "timezones", "unique_counts", "zip_with"))' -C metadata=f2d0162f7386205e -C extra-filename=-146b2424a007e75f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-0bc131796f8ede80.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-93c6d20f7d120c9c.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-2b5e148f3b450baa.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-e243255ea2fd81e1.rmeta --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-5304a498752f4c81.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-c197ac2220abead3.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5fb291990f87341c.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-bc439b9c3e1d5fb8.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-7758482289b46ad9.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-6210bb12b47e720c.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-50a3ab9ae2e4a0c5.rmeta --extern polars_compute=/opt/rustwide/target/debug/deps/libpolars_compute-5d23e6588bac3bd6.rmeta --extern polars_error=/opt/rustwide/target/debug/deps/libpolars_error-7b96d5136742edab.rmeta --extern polars_row=/opt/rustwide/target/debug/deps/libpolars_row-a2ff5236bd1ea38b.rmeta --extern polars_utils=/opt/rustwide/target/debug/deps/libpolars_utils-fb216c4f8f6408cc.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-31d9c94882a38f0d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fa559480423442d8.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-3c184adfe05368cd.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e284555597bd67f3.rmeta --extern xxhash_rust=/opt/rustwide/target/debug/deps/libxxhash_rust-058e3e8be8c58863.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cc5ee820a0306a753e6423ebc3eedfb53ca55357dc38bf59ffffa473b81afe91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5ee820a0306a753e6423ebc3eedfb53ca55357dc38bf59ffffa473b81afe91", kill_on_drop: false }`
[INFO] [stdout] cc5ee820a0306a753e6423ebc3eedfb53ca55357dc38bf59ffffa473b81afe91
