[INFO] fetching crate polars-core 0.35.4...
[INFO] checking polars-core-0.35.4 against master#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119825
[INFO] extracting crate polars-core 0.35.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate polars-core 0.35.4 on toolchain e9271846294c4ee5bd7706df68180320c0b5ff20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polars-core 0.35.4
[INFO] finished tweaking crates.io crate polars-core 0.35.4
[INFO] tweaked toml for crates.io crate polars-core 0.35.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polars-error v0.35.4
[INFO] [stderr]   Downloaded target-features v0.1.5
[INFO] [stderr]   Downloaded multiversion-macros v0.7.3
[INFO] [stderr]   Downloaded atoi_simd v0.15.6
[INFO] [stderr]   Downloaded polars-row v0.35.4
[INFO] [stderr]   Downloaded polars-utils v0.35.4
[INFO] [stderr]   Downloaded arrow-array v50.0.0
[INFO] [stderr]   Downloaded polars-arrow v0.35.4
[INFO] [stderr]   Downloaded arrow-buffer v50.0.0
[INFO] [stderr]   Downloaded arrow-data v50.0.0
[INFO] [stderr]   Downloaded arrow-schema v50.0.0
[INFO] [stderr]   Downloaded multiversion v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b40379d3ba00f8b16da18ad62ffbe1cbbd8225b80c95cb1d31508ad12bd354
[INFO] running `Command { std: "docker" "start" "-a" "e1b40379d3ba00f8b16da18ad62ffbe1cbbd8225b80c95cb1d31508ad12bd354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b40379d3ba00f8b16da18ad62ffbe1cbbd8225b80c95cb1d31508ad12bd354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b40379d3ba00f8b16da18ad62ffbe1cbbd8225b80c95cb1d31508ad12bd354", kill_on_drop: false }`
[INFO] [stdout] e1b40379d3ba00f8b16da18ad62ffbe1cbbd8225b80c95cb1d31508ad12bd354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6894b7d8315d99f1b050e959e85be6fef8ee0726375787ec6c449bb1b2c53a49
[INFO] running `Command { std: "docker" "start" "-a" "6894b7d8315d99f1b050e959e85be6fef8ee0726375787ec6c449bb1b2c53a49", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling polars-utils v0.35.4
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling polars-core v0.35.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking xxhash-rust v0.8.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking polars-error v0.35.4
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]     Checking multiversion v0.7.3
[INFO] [stderr]     Checking polars-arrow v0.35.4
[INFO] [stderr]     Checking polars-row v0.35.4
[INFO] [stdout] warning: unused import: `crate::frame::NullStrategy`
[INFO] [stdout]     --> src/frame/mod.rs:3448:9
[INFO] [stdout]      |
[INFO] [stdout] 3448 |     use crate::frame::NullStrategy;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.84s
[INFO] running `Command { std: "docker" "inspect" "6894b7d8315d99f1b050e959e85be6fef8ee0726375787ec6c449bb1b2c53a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6894b7d8315d99f1b050e959e85be6fef8ee0726375787ec6c449bb1b2c53a49", kill_on_drop: false }`
[INFO] [stdout] 6894b7d8315d99f1b050e959e85be6fef8ee0726375787ec6c449bb1b2c53a49