[INFO] fetching crate polars-readlines 0.2.1...
[INFO] testing polars-readlines-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate polars-readlines 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate polars-readlines 0.2.1
[INFO] finished tweaking crates.io crate polars-readlines 0.2.1
[INFO] tweaked toml for crates.io crate polars-readlines 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-readlines 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 142 packages to latest compatible versions
[INFO] [stderr]       Adding polars v0.42.0 (available: v0.52.0)
[INFO] [stderr]       Adding polars-arrow v0.42.0 (available: v0.52.0)
[INFO] [stderr]       Adding pyo3 v0.22.6 (available: v0.27.1)
[INFO] [stderr]       Adding pyo3-polars v0.16.1 (available: v0.25.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.22.6
[INFO] [stderr]   Downloaded xxhash-rust v0.8.15
[INFO] [stderr]   Downloaded pyo3-polars v0.16.1
[INFO] [stderr]   Downloaded pyo3-ffi v0.22.6
[INFO] [stderr]   Downloaded pyo3-build-config v0.22.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.22.6
[INFO] [stderr]   Downloaded python3-dll-a v0.2.14
[INFO] [stderr]   Downloaded parquet-format-safe v0.2.4
[INFO] [stderr]   Downloaded memmap2 v0.9.9
[INFO] [stderr]   Downloaded arrow-data v57.0.0
[INFO] [stderr]   Downloaded target-features v0.1.6
[INFO] [stderr]   Downloaded planus v0.3.1
[INFO] [stderr]   Downloaded arrow-schema v57.0.0
[INFO] [stderr]   Downloaded polars v0.42.0
[INFO] [stderr]   Downloaded pyo3 v0.22.6
[INFO] [stderr]   Downloaded arrow-buffer v57.0.0
[INFO] [stderr]   Downloaded polars-core v0.42.0
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded multiversion-macros v0.7.4
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded polars-parquet v0.42.0
[INFO] [stderr]   Downloaded polars-arrow v0.42.0
[INFO] [stderr]   Downloaded memmap2 v0.7.1
[INFO] [stderr]   Downloaded arrow-array v57.0.0
[INFO] [stderr]   Downloaded polars-arrow-format v0.1.0
[INFO] [stderr]   Downloaded stacker v0.1.22
[INFO] [stderr]   Downloaded polars-utils v0.42.0
[INFO] [stderr]   Downloaded polars-compute v0.42.0
[INFO] [stderr]   Downloaded atoi_simd v0.15.6
[INFO] [stderr]   Downloaded polars-row v0.42.0
[INFO] [stderr]   Downloaded ar_archive_writer v0.2.0
[INFO] [stderr]   Downloaded psm v0.1.28
[INFO] [stderr]   Downloaded streaming-decompression v0.1.2
[INFO] [stderr]   Downloaded multiversion v0.7.4
[INFO] [stderr]   Downloaded streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded array-init-cursor v0.2.1
[INFO] [stderr]   Downloaded polars-error v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 573c6f4e7f1e8cd038c8c2c3054212f7087d901861c6ac4e8d6e7c8e040524cc
[INFO] running `Command { std: "docker" "start" "-a" "573c6f4e7f1e8cd038c8c2c3054212f7087d901861c6ac4e8d6e7c8e040524cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "573c6f4e7f1e8cd038c8c2c3054212f7087d901861c6ac4e8d6e7c8e040524cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573c6f4e7f1e8cd038c8c2c3054212f7087d901861c6ac4e8d6e7c8e040524cc", kill_on_drop: false }`
[INFO] [stdout] 573c6f4e7f1e8cd038c8c2c3054212f7087d901861c6ac4e8d6e7c8e040524cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e37f850c1d0aa9bdfd4a22b9ecb55dac45f02164d14c2fc714fd797ccee26b5
[INFO] running `Command { std: "docker" "start" "-a" "5e37f850c1d0aa9bdfd4a22b9ecb55dac45f02164d14c2fc714fd797ccee26b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling array-init-cursor v0.2.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling polars-utils v0.42.0
[INFO] [stderr]    Compiling arrow-schema v57.0.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling planus v0.3.1
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling polars-arrow v0.42.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling ethnum v1.5.2
[INFO] [stderr]    Compiling atoi_simd v0.15.6
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling polars-compute v0.42.0
[INFO] [stderr]    Compiling polars-core v0.42.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling polars v0.42.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling streaming-decompression v0.1.2
[INFO] [stderr]    Compiling parquet-format-safe v0.2.4
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling ar_archive_writer v0.2.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling psm v0.1.28
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling multiversion-macros v0.7.4
[INFO] [stderr]    Compiling multiversion v0.7.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling polars-arrow-format v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling arrow-buffer v57.0.0
[INFO] [stderr]    Compiling arrow-data v57.0.0
[INFO] [stderr]    Compiling arrow-array v57.0.0
[INFO] [stderr]    Compiling polars-error v0.42.0
[INFO] [stderr]    Compiling polars-row v0.42.0
[INFO] [stderr]    Compiling polars-parquet v0.42.0
[INFO] [stderr]    Compiling polars-readlines v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "5e37f850c1d0aa9bdfd4a22b9ecb55dac45f02164d14c2fc714fd797ccee26b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e37f850c1d0aa9bdfd4a22b9ecb55dac45f02164d14c2fc714fd797ccee26b5", kill_on_drop: false }`
[INFO] [stdout] 5e37f850c1d0aa9bdfd4a22b9ecb55dac45f02164d14c2fc714fd797ccee26b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d89ee2d9a9eb7619494879d8cdc54d15dc3dcc7a154737c0828033278257bf0
[INFO] running `Command { std: "docker" "start" "-a" "6d89ee2d9a9eb7619494879d8cdc54d15dc3dcc7a154737c0828033278257bf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling polars-readlines v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "6d89ee2d9a9eb7619494879d8cdc54d15dc3dcc7a154737c0828033278257bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d89ee2d9a9eb7619494879d8cdc54d15dc3dcc7a154737c0828033278257bf0", kill_on_drop: false }`
[INFO] [stdout] 6d89ee2d9a9eb7619494879d8cdc54d15dc3dcc7a154737c0828033278257bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f32dd287b365504afcd159bd8673b634f9d8ad44e89569df5f7ac7d06826058a
[INFO] running `Command { std: "docker" "start" "-a" "f32dd287b365504afcd159bd8673b634f9d8ad44e89569df5f7ac7d06826058a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polars_readlines-499692ef442b77a1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polars_readlines
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f32dd287b365504afcd159bd8673b634f9d8ad44e89569df5f7ac7d06826058a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32dd287b365504afcd159bd8673b634f9d8ad44e89569df5f7ac7d06826058a", kill_on_drop: false }`
[INFO] [stdout] f32dd287b365504afcd159bd8673b634f9d8ad44e89569df5f7ac7d06826058a