[INFO] cloning repository https://github.com/fabianmurariu/polars_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianmurariu/polars_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianmurariu%2Fpolars_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianmurariu%2Fpolars_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3420ca9d82e401c1ef9599264a17e37560f46a5b
[INFO] testing fabianmurariu/polars_bug against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianmurariu%2Fpolars_bug" "/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/fabianmurariu/polars_bug
[INFO] finished tweaking git repo https://github.com/fabianmurariu/polars_bug
[INFO] tweaked toml for git repo https://github.com/fabianmurariu/polars_bug written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fabianmurariu/polars_bug on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fabianmurariu/polars_bug 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-2026-03-05" "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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88834f8251e382ec14e7e4c2141f64e2fc564a6349e1ea00e59cf7953788d316
[INFO] running `Command { std: "docker" "start" "-a" "88834f8251e382ec14e7e4c2141f64e2fc564a6349e1ea00e59cf7953788d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88834f8251e382ec14e7e4c2141f64e2fc564a6349e1ea00e59cf7953788d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88834f8251e382ec14e7e4c2141f64e2fc564a6349e1ea00e59cf7953788d316", kill_on_drop: false }`
[INFO] [stdout] 88834f8251e382ec14e7e4c2141f64e2fc564a6349e1ea00e59cf7953788d316
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9264d2357af82488cc3ac752f2bd7904042f756850e1b0f5f9241cdcc4e477
[INFO] running `Command { std: "docker" "start" "-a" "2d9264d2357af82488cc3ac752f2bd7904042f756850e1b0f5f9241cdcc4e477", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling array-init-cursor v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling polars-utils v0.49.1
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling raw-cpuid v11.5.0
[INFO] [stderr]    Compiling polars-schema v0.49.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling polars-arrow v0.49.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling ethnum v1.5.2
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling planus v1.1.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling polars-arrow-format v0.2.0
[INFO] [stderr]    Compiling polars-error v0.49.1
[INFO] [stderr]    Compiling polars_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.57s
[INFO] running `Command { std: "docker" "inspect" "2d9264d2357af82488cc3ac752f2bd7904042f756850e1b0f5f9241cdcc4e477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9264d2357af82488cc3ac752f2bd7904042f756850e1b0f5f9241cdcc4e477", kill_on_drop: false }`
[INFO] [stdout] 2d9264d2357af82488cc3ac752f2bd7904042f756850e1b0f5f9241cdcc4e477
[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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7edaff0735ca96787b9e06ec2f46ab186346f48a2b7b4032e0c95d568d19d37
[INFO] running `Command { std: "docker" "start" "-a" "a7edaff0735ca96787b9e06ec2f46ab186346f48a2b7b4032e0c95d568d19d37", kill_on_drop: false }`
[INFO] [stderr]    Compiling polars_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "a7edaff0735ca96787b9e06ec2f46ab186346f48a2b7b4032e0c95d568d19d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7edaff0735ca96787b9e06ec2f46ab186346f48a2b7b4032e0c95d568d19d37", kill_on_drop: false }`
[INFO] [stdout] a7edaff0735ca96787b9e06ec2f46ab186346f48a2b7b4032e0c95d568d19d37
[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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97e20da328d6df35af13a7340775220adf57f2ea2ffb5c6103f44a87654d46c6
[INFO] running `Command { std: "docker" "start" "-a" "97e20da328d6df35af13a7340775220adf57f2ea2ffb5c6103f44a87654d46c6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polars_bug-209104fd2d08868d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::mmap_and_batch_struct_of_list_of_utf8_view ... FAILED
[INFO] [stdout] test test::mmap_and_batch_struct_of_list_of_utf8 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::mmap_and_batch_struct_of_list_of_utf8_view stdout ----
[INFO] [stdout] Error: ComputeError(ErrString("expected variadic_buffer_count"))
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::mmap_and_batch_struct_of_list_of_utf8_view
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "97e20da328d6df35af13a7340775220adf57f2ea2ffb5c6103f44a87654d46c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e20da328d6df35af13a7340775220adf57f2ea2ffb5c6103f44a87654d46c6", kill_on_drop: false }`
[INFO] [stdout] 97e20da328d6df35af13a7340775220adf57f2ea2ffb5c6103f44a87654d46c6
