[INFO] fetching crate polars-ai 0.0.2...
[INFO] testing polars-ai-0.0.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate polars-ai 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate polars-ai 0.0.2
[INFO] finished tweaking crates.io crate polars-ai 0.0.2
[INFO] tweaked toml for crates.io crate polars-ai 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-ai 0.0.2 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-ai 0.0.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6a509ea0243fc69a16cdc7fc39a9cf5d5d77db0710ebcfbcfb7e33045ef0b8ab
[INFO] running `Command { std: "docker" "start" "-a" "6a509ea0243fc69a16cdc7fc39a9cf5d5d77db0710ebcfbcfb7e33045ef0b8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a509ea0243fc69a16cdc7fc39a9cf5d5d77db0710ebcfbcfb7e33045ef0b8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a509ea0243fc69a16cdc7fc39a9cf5d5d77db0710ebcfbcfb7e33045ef0b8ab", kill_on_drop: false }`
[INFO] [stdout] 6a509ea0243fc69a16cdc7fc39a9cf5d5d77db0710ebcfbcfb7e33045ef0b8ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 55c5219d293a5319839d3225772f31e0bb626009e62f8066940b9aac08d44364
[INFO] running `Command { std: "docker" "start" "-a" "55c5219d293a5319839d3225772f31e0bb626009e62f8066940b9aac08d44364", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling zerocopy v0.7.25
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling target-features v0.1.4
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling simdutf8 v0.1.4
[INFO] [stderr]    Compiling polars-utils v0.34.2
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling dyn-clone v1.0.14
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling ethnum v1.4.0
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling polars-core v0.34.2
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling polars-ops v0.34.2
[INFO] [stderr]    Compiling xxhash-rust v0.8.7
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling argminmax v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling anstyle v1.0.3
[INFO] [stderr]    Compiling lexical v6.1.1
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling polars v0.34.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling clap_builder v4.4.7
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling now v0.1.3
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling evalexpr v11.1.0
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling tokio v1.33.0
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling polars-error v0.34.2
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling clap v4.4.7
[INFO] [stderr]    Compiling multiversion v0.7.3
[INFO] [stderr]    Compiling polars-arrow v0.34.2
[INFO] [stderr]    Compiling comfy-table v7.0.1
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling h2 v0.3.21
[INFO] [stderr]    Compiling eval v0.4.3
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling polars-row v0.34.2
[INFO] [stderr]    Compiling reqwest v0.11.22
[INFO] [stderr]    Compiling polars-time v0.34.2
[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-0.34.2/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("abs", "algorithm_group_by", "arrow-array", "arrow_rs", "asof_join", "avx512", "bigidx", "checked_arithmetic", "chrono", "chrono-tz", "chunked_ids", "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", "horizontal_concat", "is_first_distinct", "is_last_distinct", "lazy", "ndarray", "nightly", "object", "parquet", "partition_by", "performant", "product", "python", "rand", "rand_distr", "random", "regex", "reinterpret", "rolling_window", "round_series", "row_hash", "rows", "serde", "serde-lazy", "serde_json", "simd", "sort_multiple", "strings", "take_opt_iter", "temporal", "timezones", "unique_counts", "zip_with"))' -C metadata=2ed1b99a7c4a0b97 -C extra-filename=-393475904cce842a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-bf655ff3fb54e138.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-dcd54617f93ebacd.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-af094cd66f252501.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-04a5c25b3226b4e5.rmeta --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-334b0690b38bbab5.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-7fa7dbd688c9b194.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-fb9a80e8ec73510f.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-27302ee73d596a61.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-2c81bf0cca60494d.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-fa8bb74898999f65.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-d68abd9cf70675f5.rmeta --extern polars_error=/opt/rustwide/target/debug/deps/libpolars_error-39e5067874fa77ff.rmeta --extern polars_row=/opt/rustwide/target/debug/deps/libpolars_row-611c18f033565ec2.rmeta --extern polars_utils=/opt/rustwide/target/debug/deps/libpolars_utils-c506b3a83a2f52dd.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-19ac56fec6bdaf87.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-6d35d22eece3f201.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-3c184adfe05368cd.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-7b04f4e1a3faf0b1.rmeta --extern xxhash_rust=/opt/rustwide/target/debug/deps/libxxhash_rust-0b88525d5004eeea.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" "55c5219d293a5319839d3225772f31e0bb626009e62f8066940b9aac08d44364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c5219d293a5319839d3225772f31e0bb626009e62f8066940b9aac08d44364", kill_on_drop: false }`
[INFO] [stdout] 55c5219d293a5319839d3225772f31e0bb626009e62f8066940b9aac08d44364
