[INFO] fetching crate polars-serde 0.2.2...
[INFO] testing polars-serde-0.2.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate polars-serde 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate polars-serde 0.2.2
[INFO] finished tweaking crates.io crate polars-serde 0.2.2
[INFO] tweaked toml for crates.io crate polars-serde 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-serde 0.2.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polars-serde 0.2.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polars-error v0.54.4
[INFO] [stderr]   Downloaded ar_archive_writer v0.5.2
[INFO] [stderr]   Downloaded polars-config v0.54.4
[INFO] [stderr]   Downloaded polars-buffer v0.54.4
[INFO] [stderr]   Downloaded atoi_simd v0.17.0
[INFO] [stderr]   Downloaded uuid v1.23.3
[INFO] [stderr]   Downloaded polars-schema v0.54.4
[INFO] [stderr]   Downloaded polars-dtype v0.54.4
[INFO] [stderr]   Downloaded polars-async v0.54.4
[INFO] [stderr]   Downloaded polars-row v0.54.4
[INFO] [stderr]   Downloaded polars-utils v0.54.4
[INFO] [stderr]   Downloaded polars-compute v0.54.4
[INFO] [stderr]   Downloaded polars-arrow v0.54.4
[INFO] [stderr]   Downloaded polars-core v0.54.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6
[INFO] running `Command { std: "docker" "start" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling cc v1.2.64
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling signal-hook v0.4.4
[INFO] [stderr]    Compiling smallvec v1.15.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling stacker v0.1.24
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling polars-error v0.54.4
[INFO] [stderr]    Compiling polars-utils v0.54.4
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling bitflags v2.13.0
[INFO] [stderr]    Compiling polars-config v0.54.4
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling uuid v1.23.3
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.52
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ar_archive_writer v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling psm v0.1.31
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling regex v1.12.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling polars-schema v0.54.4
[INFO] [stderr]    Compiling polars-buffer v0.54.4
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling polars-arrow v0.54.4
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling ethnum v1.5.3
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling polars-compute v0.54.4
[INFO] [stderr]    Compiling debug_unsafe v0.1.4
[INFO] [stderr]    Compiling atoi_simd v0.17.0
[INFO] [stderr]    Compiling socket2 v0.6.4
[INFO] [stderr]    Compiling mio v1.2.1
[INFO] [stderr]    Compiling boxcar v0.2.14
[INFO] [stderr]    Compiling compact_str v0.9.1
[INFO] [stderr]    Compiling fast-float2 v0.2.3
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling polars-core v0.54.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling argminmax v0.6.3
[INFO] [stderr]    Compiling polars-async v0.54.4
[INFO] [stderr]    Compiling polars-dtype v0.54.4
[INFO] [stderr]    Compiling polars-row v0.54.4
[INFO] [stderr]    Compiling polars-serde v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 7m 10s
[INFO] running `Command { std: "docker" "inspect" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling polars-serde v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/polars_serde-384ab3c610ca6992)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test de::data_frame::tests::test_columns ... ok
[INFO] [stderr]    Doc-tests polars_serde
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 2) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 2) stdout ----
[INFO] [stdout] error[E0599]: no associated function or constant named `rows` found for struct `BorrowedDataFrameDeserializer<'de>` in the current scope
[INFO] [stdout]   --> src/lib.rs:38:71
[INFO] [stdout]    |
[INFO] [stdout] 38 | let rows = Vec::<Row<'_>>::deserialize(BorrowedDataFrameDeserializer::rows(&df))?;
[INFO] [stdout]    |                                                                       ^^^^ associated function or constant not found in `BorrowedDataFrameDeserializer<'_>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `BorrowedDataFrameDeserializer<'_>`, consider using `BorrowedDataFrameDeserializer::<'de>::columns` which returns `BorrowedDataFrameDeserializer<'_>`
[INFO] [stdout]   --> src/de/data_frame.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn columns(value: &'de DataFrame) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 2)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.43s; merged doctests compilation took 0.25s
[INFO] running `Command { std: "docker" "inspect" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6", kill_on_drop: false }`
[INFO] [stdout] 206132af4fc47df2084ba2f2934fe6b020e6807adb8dca0afa48b29d6c69f4b6
