[INFO] fetching crate polars-helpers 0.1.1...
[INFO] testing polars-helpers-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate polars-helpers 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate polars-helpers 0.1.1
[INFO] finished tweaking crates.io crate polars-helpers 0.1.1
[INFO] tweaked toml for crates.io crate polars-helpers 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-helpers 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 252 packages to latest compatible versions
[INFO] [stderr]       Adding dirs v5.0.1 (available: v6.0.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding polars v0.36.2 (available: v0.53.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.2)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 05bada4a145620874183b4d57ef2379853e81ffcb808a28f96157c9fe6c28a4e
[INFO] running `Command { std: "docker" "start" "-a" "05bada4a145620874183b4d57ef2379853e81ffcb808a28f96157c9fe6c28a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05bada4a145620874183b4d57ef2379853e81ffcb808a28f96157c9fe6c28a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bada4a145620874183b4d57ef2379853e81ffcb808a28f96157c9fe6c28a4e", kill_on_drop: false }`
[INFO] [stdout] 05bada4a145620874183b4d57ef2379853e81ffcb808a28f96157c9fe6c28a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5906a655499175cebe654e1500a53cffb5e96f2eff960ba61d26e0f43e313216
[INFO] running `Command { std: "docker" "start" "-a" "5906a655499175cebe654e1500a53cffb5e96f2eff960ba61d26e0f43e313216", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling polars-utils v0.36.2
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling polars-arrow v0.36.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling ethnum v1.5.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling atoi_simd v0.15.6
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling polars-compute v0.36.2
[INFO] [stderr]    Compiling polars-core v0.36.2
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling polars-ops v0.36.2
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling polars-plan v0.36.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling polars-lazy v0.36.2
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling polars v0.36.2
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling comfy-table v7.2.2
[INFO] [stderr]    Compiling argminmax v0.6.3
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling now v0.1.3
[INFO] [stderr]    Compiling multiversion-macros v0.7.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling multiversion v0.7.4
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling polars-error v0.36.2
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling polars-row v0.36.2
[INFO] [stderr]    Compiling polars-time v0.36.2
[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-0.36.2/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="dtype-date"' --cfg 'feature="dtype-datetime"' --cfg 'feature="dtype-duration"' --cfg 'feature="dtype-i16"' --cfg 'feature="dtype-i8"' --cfg 'feature="dtype-time"' --cfg 'feature="fmt"' --cfg 'feature="lazy"' --cfg 'feature="rand"' --cfg 'feature="rand_distr"' --cfg 'feature="random"' --cfg 'feature="regex"' --cfg 'feature="reinterpret"' --cfg 'feature="rolling_window"' --cfg 'feature="rows"' --cfg 'feature="serde"' --cfg 'feature="strings"' --cfg 'feature="temporal"' --cfg 'feature="zip_with"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("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", "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=20cb5ee33bfa67b9 -C extra-filename=-2b244e9eb415fc74 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-4c3fe92f636d9206.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-79be13f23e68c06f.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-cb7f854306d0af73.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cd6a986ca53e1c4a.rmeta --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-b51e27c34a6cf5c0.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-e4faea0db366d8ff.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-70af5ebb4bf50052.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-929dd02fad068ac3.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-45b503db1a7e3b1c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-0ac012fec71d6948.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-7b3c65e218fa56e2.rmeta --extern polars_compute=/opt/rustwide/target/debug/deps/libpolars_compute-7a0881f5a9c3c32e.rmeta --extern polars_error=/opt/rustwide/target/debug/deps/libpolars_error-c1b084c25ba33e58.rmeta --extern polars_row=/opt/rustwide/target/debug/deps/libpolars_row-8677f5d30663c0de.rmeta --extern polars_utils=/opt/rustwide/target/debug/deps/libpolars_utils-f85775bc7688080a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0d9eef839254b95a.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-df881c2ab62b68a2.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-3039ae4bf11375e9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ba2917cb9ddc0905.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-705f33d8a63b2a28.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-ae7675cd6d8e279c.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ff1ac66914620816.rmeta --extern xxhash_rust=/opt/rustwide/target/debug/deps/libxxhash_rust-89bb1c13ccea4592.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" "5906a655499175cebe654e1500a53cffb5e96f2eff960ba61d26e0f43e313216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5906a655499175cebe654e1500a53cffb5e96f2eff960ba61d26e0f43e313216", kill_on_drop: false }`
[INFO] [stdout] 5906a655499175cebe654e1500a53cffb5e96f2eff960ba61d26e0f43e313216
