[INFO] cloning repository https://github.com/fernandomarca/Polars-jupyter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fernandomarca/Polars-jupyter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandomarca%2FPolars-jupyter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandomarca%2FPolars-jupyter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74b4e4fbf19802ff199f1f571a6a61e025b05080
[INFO] testing fernandomarca/Polars-jupyter against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandomarca%2FPolars-jupyter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fernandomarca/Polars-jupyter
[INFO] finished tweaking git repo https://github.com/fernandomarca/Polars-jupyter
[INFO] tweaked toml for git repo https://github.com/fernandomarca/Polars-jupyter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fernandomarca/Polars-jupyter 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/fernandomarca/Polars-jupyter 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-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] fe1a1306bab358266f4d4738f3b82220f281446f8dca5be1f44ed2f3722f8ecf
[INFO] running `Command { std: "docker" "start" "-a" "fe1a1306bab358266f4d4738f3b82220f281446f8dca5be1f44ed2f3722f8ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe1a1306bab358266f4d4738f3b82220f281446f8dca5be1f44ed2f3722f8ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1a1306bab358266f4d4738f3b82220f281446f8dca5be1f44ed2f3722f8ecf", kill_on_drop: false }`
[INFO] [stdout] fe1a1306bab358266f4d4738f3b82220f281446f8dca5be1f44ed2f3722f8ecf
[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] a7ac0e5b10458d672e95b65c1ea2d810a66e53423e808850db38659943af27a2
[INFO] running `Command { std: "docker" "start" "-a" "a7ac0e5b10458d672e95b65c1ea2d810a66e53423e808850db38659943af27a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling array-init-cursor v0.2.0
[INFO] [stderr]    Compiling planus v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.51
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling hash_hasher v2.0.3
[INFO] [stderr]    Compiling simdutf8 v0.1.4
[INFO] [stderr]    Compiling dyn-clone v1.0.9
[INFO] [stderr]    Compiling ethnum v1.3.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling crossterm v0.23.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling polars-utils v0.24.3
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling lexical v6.1.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling memmap2 v0.5.7
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytemuck_derive v1.2.1
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling comfy-table v5.0.1
[INFO] [stderr]    Compiling arrow-format v0.7.0
[INFO] [stderr]    Compiling lz4 v1.24.0
[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling arrow2 v0.14.2
[INFO] [stderr]    Compiling polars-arrow v0.24.3
[INFO] [stderr]    Compiling polars-core v0.24.3
[INFO] [stderr]    Compiling polars-time v0.24.3
[INFO] [stderr]    Compiling polars-ops v0.24.3
[INFO] [stderr]    Compiling polars-io v0.24.3
[INFO] [stderr]    Compiling polars-lazy v0.24.3
[INFO] [stderr]    Compiling polars v0.24.3
[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-0.24.3/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="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="lazy"' --cfg 'feature="private"' --cfg 'feature="rand"' --cfg 'feature="rand_distr"' --cfg 'feature="random"' --cfg 'feature="regex"' --cfg 'feature="rows"' --cfg 'feature="sort_multiple"' --cfg 'feature="temporal"' --cfg 'feature="zip_with"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("abs", "asof_join", "avx512", "base64", "bigidx", "checked_arithmetic", "chrono", "chrono-tz", "chunked_ids", "comfy-table", "concat_str", "cross_join", "cum_agg", "dataframe_arithmetic", "default", "describe", "diagonal_concat", "diff", "docs", "docs-selection", "dot_product", "dtype-categorical", "dtype-date", "dtype-datetime", "dtype-duration", "dtype-i16", "dtype-i8", "dtype-struct", "dtype-time", "dtype-u16", "dtype-u8", "dynamic_groupby", "ewma", "extract_jsonpath", "fmt", "groupby_list", "hex", "horizontal_concat", "interpolate", "is_first", "is_in", "is_last", "jsonpath_lib", "lazy", "mode", "moment", "ndarray", "object", "parquet", "partition_by", "pct_change", "performant", "private", "product", "rand", "rand_distr", "random", "rank", "regex", "reinterpret", "repeat_by", "rolling_window", "round_series", "row_hash", "rows", "semi_anti_join", "serde", "serde-lazy", "serde_json", "simd", "smartstring", "sort_multiple", "string_encoding", "strings", "take_opt_iter", "temporal", "timezones", "unique_counts", "zip_with"))' -C metadata=57fded315ef6d2da -C extra-filename=-43dcbb98188c9e77 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-f03ccbc28bfc58ae.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-764dd6fd6d1298fb.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libarrow2-1c57611fb124d2ab.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-a9851ebd0ab18f47.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-3dd89ffeec200e10.rmeta --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-076bc1926c6fe7cb.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-62ca911cf251af94.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-805d961069eab796.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-f14ad581673dffe0.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-7d67408734ef53f7.rmeta --extern polars_arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-3f645cbb28f27254.rmeta --extern polars_utils=/opt/rustwide/target/debug/deps/libpolars_utils-ee75d82a14d84d4d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-54dda5a06702ab5f.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-e99eac0b634b2324.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-d70a5dfeb6c6de09.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d137b83b001d4341.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-6ecaa84a0bba1ab3.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/lz4-sys-9a36534344b9a532/out -L native=/opt/rustwide/target/debug/build/zstd-sys-f708645f93a9f7dd/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a7ac0e5b10458d672e95b65c1ea2d810a66e53423e808850db38659943af27a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ac0e5b10458d672e95b65c1ea2d810a66e53423e808850db38659943af27a2", kill_on_drop: false }`
[INFO] [stdout] a7ac0e5b10458d672e95b65c1ea2d810a66e53423e808850db38659943af27a2