[INFO] fetching crate polars-core 0.14.7...
[INFO] checking polars-core-0.14.7 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate polars-core 0.14.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate polars-core 0.14.7 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polars-core 0.14.7
[INFO] finished tweaking crates.io crate polars-core 0.14.7
[INFO] tweaked toml for crates.io crate polars-core 0.14.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88b933f234e53a961154628b58ceb84bb382f8546ed533feb0eb93f301769172
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88b933f234e53a961154628b58ceb84bb382f8546ed533feb0eb93f301769172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88b933f234e53a961154628b58ceb84bb382f8546ed533feb0eb93f301769172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b933f234e53a961154628b58ceb84bb382f8546ed533feb0eb93f301769172", kill_on_drop: false }`
[INFO] [stdout] 88b933f234e53a961154628b58ceb84bb382f8546ed533feb0eb93f301769172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d5af286e678aa4b805b427a362ead7872e056aa3a7a997c142d801e6a47445e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d5af286e678aa4b805b427a362ead7872e056aa3a7a997c142d801e6a47445e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking flatbuffers v0.8.4
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking arrow v4.4.0
[INFO] [stderr]     Checking polars-arrow v0.14.8
[INFO] [stderr]     Checking polars-core v0.14.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `series::arithmetic::coerce_lhs_rhs`
[INFO] [stdout]   --> src/series/mod.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::{series::arithmetic::coerce_lhs_rhs, POOL};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]    --> src/chunked_array/ops/sort.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |     use crate::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `series::arithmetic::coerce_lhs_rhs`
[INFO] [stdout]   --> src/series/mod.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::{series::arithmetic::coerce_lhs_rhs, POOL};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `align_chunks_ternary`
[INFO] [stdout]    --> src/utils.rs:757:15
[INFO] [stdout]     |
[INFO] [stdout] 757 | pub(crate) fn align_chunks_ternary<'a, A, B, C>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ordering_other_columns`
[INFO] [stdout]    --> src/chunked_array/ops/sort.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn ordering_other_columns<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `align_chunks_ternary`
[INFO] [stdout]    --> src/utils.rs:757:15
[INFO] [stdout]     |
[INFO] [stdout] 757 | pub(crate) fn align_chunks_ternary<'a, A, B, C>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ordering_other_columns`
[INFO] [stdout]    --> src/chunked_array/ops/sort.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn ordering_other_columns<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.65s
[INFO] running `Command { std: "docker" "inspect" "9d5af286e678aa4b805b427a362ead7872e056aa3a7a997c142d801e6a47445e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5af286e678aa4b805b427a362ead7872e056aa3a7a997c142d801e6a47445e", kill_on_drop: false }`
[INFO] [stdout] 9d5af286e678aa4b805b427a362ead7872e056aa3a7a997c142d801e6a47445e