[INFO] cloning repository https://github.com/ruihe774/polars-readlines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruihe774/polars-readlines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruihe774%2Fpolars-readlines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruihe774%2Fpolars-readlines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5059c21b3de2b95a43eab3cf53122735718ae03
[INFO] testing ruihe774/polars-readlines against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruihe774%2Fpolars-readlines" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ruihe774/polars-readlines
[INFO] finished tweaking git repo https://github.com/ruihe774/polars-readlines
[INFO] tweaked toml for git repo https://github.com/ruihe774/polars-readlines written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ruihe774/polars-readlines on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ruihe774/polars-readlines 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2107c03a46617d4bff328f9caa0e4f620935ddf959fb595319c72c97e6f4d744
[INFO] running `Command { std: "docker" "start" "-a" "2107c03a46617d4bff328f9caa0e4f620935ddf959fb595319c72c97e6f4d744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2107c03a46617d4bff328f9caa0e4f620935ddf959fb595319c72c97e6f4d744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2107c03a46617d4bff328f9caa0e4f620935ddf959fb595319c72c97e6f4d744", kill_on_drop: false }`
[INFO] [stdout] 2107c03a46617d4bff328f9caa0e4f620935ddf959fb595319c72c97e6f4d744
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eff339743203dd3bc3c42032691ded2b31e6e30578521b827120fe3a1c7c2ab
[INFO] running `Command { std: "docker" "start" "-a" "6eff339743203dd3bc3c42032691ded2b31e6e30578521b827120fe3a1c7c2ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling array-init-cursor v0.2.0
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling cc v1.1.28
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling polars-utils v0.42.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling planus v0.3.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling arrow-schema v53.1.0
[INFO] [stderr]    Compiling raw-cpuid v11.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling polars-arrow v0.42.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling atoi_simd v0.15.6
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling ethnum v1.5.0
[INFO] [stderr]    Compiling polars-compute v0.42.0
[INFO] [stderr]    Compiling polars-core v0.42.0
[INFO] [stderr]    Compiling streaming-decompression v0.1.2
[INFO] [stderr]    Compiling polars v0.42.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.12
[INFO] [stderr]    Compiling parquet-format-safe v0.2.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling bytemuck_derive v1.8.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling arrow-buffer v53.1.0
[INFO] [stderr]    Compiling bytemuck v1.18.0
[INFO] [stderr]    Compiling arrow-data v53.1.0
[INFO] [stderr]    Compiling multiversion-macros v0.7.4
[INFO] [stderr]    Compiling multiversion v0.7.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling polars-arrow-format v0.1.0
[INFO] [stderr]    Compiling arrow-array v53.1.0
[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 46s
[INFO] running `Command { std: "docker" "inspect" "6eff339743203dd3bc3c42032691ded2b31e6e30578521b827120fe3a1c7c2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eff339743203dd3bc3c42032691ded2b31e6e30578521b827120fe3a1c7c2ab", kill_on_drop: false }`
[INFO] [stdout] 6eff339743203dd3bc3c42032691ded2b31e6e30578521b827120fe3a1c7c2ab
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d2ec3811dff5df4d7bfed1d48aa7069887a8dab289d833555539e320128b4d
[INFO] running `Command { std: "docker" "start" "-a" "91d2ec3811dff5df4d7bfed1d48aa7069887a8dab289d833555539e320128b4d", 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 1.25s
[INFO] running `Command { std: "docker" "inspect" "91d2ec3811dff5df4d7bfed1d48aa7069887a8dab289d833555539e320128b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d2ec3811dff5df4d7bfed1d48aa7069887a8dab289d833555539e320128b4d", kill_on_drop: false }`
[INFO] [stdout] 91d2ec3811dff5df4d7bfed1d48aa7069887a8dab289d833555539e320128b4d
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b80e1d70688382211be8849127e15a6944e51528faf93e2320b04132ad8f3f7
[INFO] running `Command { std: "docker" "start" "-a" "9b80e1d70688382211be8849127e15a6944e51528faf93e2320b04132ad8f3f7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polars_readlines-4cd5ebbaed9c4f44)
[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" "9b80e1d70688382211be8849127e15a6944e51528faf93e2320b04132ad8f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b80e1d70688382211be8849127e15a6944e51528faf93e2320b04132ad8f3f7", kill_on_drop: false }`
[INFO] [stdout] 9b80e1d70688382211be8849127e15a6944e51528faf93e2320b04132ad8f3f7
