[INFO] fetching crate polars-algo 0.35.4...
[INFO] testing polars-algo-0.35.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate polars-algo 0.35.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate polars-algo 0.35.4
[INFO] finished tweaking crates.io crate polars-algo 0.35.4
[INFO] tweaked toml for crates.io crate polars-algo 0.35.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-algo 0.35.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 108 packages to latest compatible versions
[INFO] [stderr]       Adding polars-core v0.35.4 (available: v0.53.0)
[INFO] [stderr]       Adding polars-lazy v0.35.4 (available: v0.53.0)
[INFO] [stderr]       Adding polars-ops v0.35.4 (available: v0.53.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 30bfbe9f87fcfbb81d35c8465a6db2758861b481cd7928a637c7e96ad48c1e33
[INFO] running `Command { std: "docker" "start" "-a" "30bfbe9f87fcfbb81d35c8465a6db2758861b481cd7928a637c7e96ad48c1e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30bfbe9f87fcfbb81d35c8465a6db2758861b481cd7928a637c7e96ad48c1e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30bfbe9f87fcfbb81d35c8465a6db2758861b481cd7928a637c7e96ad48c1e33", kill_on_drop: false }`
[INFO] [stdout] 30bfbe9f87fcfbb81d35c8465a6db2758861b481cd7928a637c7e96ad48c1e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4e9dcf90821f1388dee920c05520e224f3a74017b4c9c477ea39ab69d3155a6a
[INFO] running `Command { std: "docker" "start" "-a" "4e9dcf90821f1388dee920c05520e224f3a74017b4c9c477ea39ab69d3155a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling polars-utils v0.35.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling ethnum v1.5.3
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling atoi_simd v0.15.6
[INFO] [stderr]    Compiling polars-core v0.35.4
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling polars-ops v0.35.4
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling polars-plan v0.35.4
[INFO] [stderr]    Compiling polars-lazy v0.35.4
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling argminmax v0.6.3
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling now v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling polars-error v0.35.4
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling multiversion-macros v0.7.4
[INFO] [stderr]    Compiling multiversion v0.7.4
[INFO] [stderr]    Compiling polars-arrow v0.35.4
[INFO] [stderr]    Compiling polars-row v0.35.4
[INFO] [stdout] error[E0599]: no method named `raw_table_mut` found for struct `hashbrown::HashMap<K, V, S, A>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-core-0.35.4/src/chunked_array/builder/list/categorical.rs:88:33
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 self.idx_lookup.raw_table_mut().find_or_find_insert_slot(
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ method not found in `hashbrown::HashMap<KeyWrapper, (), ahash::RandomState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `raw_table_mut` found for struct `hashbrown::HashMap<K, V, S, A>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-core-0.35.4/src/chunked_array/builder/list/categorical.rs:107:41
[INFO] [stdout]     |
[INFO] [stdout] 107 |                         self.idx_lookup.raw_table_mut().insert_in_slot(
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ method not found in `hashbrown::HashMap<KeyWrapper, (), ahash::RandomState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polars-core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4e9dcf90821f1388dee920c05520e224f3a74017b4c9c477ea39ab69d3155a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9dcf90821f1388dee920c05520e224f3a74017b4c9c477ea39ab69d3155a6a", kill_on_drop: false }`
[INFO] [stdout] 4e9dcf90821f1388dee920c05520e224f3a74017b4c9c477ea39ab69d3155a6a
