[INFO] cloning repository https://github.com/glennpierce/polar_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glennpierce/polar_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglennpierce%2Fpolar_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglennpierce%2Fpolar_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2017956b45c380f22de7acd99ae44381259b0242
[INFO] checking glennpierce/polar_test against master#7036449c774860a5b348dbbe01c20704c557382e for pr-98456
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglennpierce%2Fpolar_test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glennpierce/polar_test on toolchain 7036449c774860a5b348dbbe01c20704c557382e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/glennpierce/polar_test
[INFO] finished tweaking git repo https://github.com/glennpierce/polar_test
[INFO] tweaked toml for git repo https://github.com/glennpierce/polar_test written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/glennpierce/polar_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/pola-rs/polars`
[INFO] [stderr]     Updating git repository `https://github.com/jorgecarleitao/arrow2`
[INFO] [stderr]     Updating git submodule `https://github.com/apache/arrow-testing`
[INFO] [stderr]     Updating git submodule `https://github.com/apache/parquet-testing`
[INFO] [stderr] warning: skipping duplicate package `parquet_write_parallel` found at `/workspace/cargo-home/git/checkouts/arrow2-8a2ad61d97265680/086c54d/examples/parquet_read_parallel`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c7f19ce16553af27f81091f212922cff7bc72eab3d0b3c8f509635a1d57329f
[INFO] running `Command { std: "docker" "start" "-a" "3c7f19ce16553af27f81091f212922cff7bc72eab3d0b3c8f509635a1d57329f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7f19ce16553af27f81091f212922cff7bc72eab3d0b3c8f509635a1d57329f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7f19ce16553af27f81091f212922cff7bc72eab3d0b3c8f509635a1d57329f", kill_on_drop: false }`
[INFO] [stdout] 3c7f19ce16553af27f81091f212922cff7bc72eab3d0b3c8f509635a1d57329f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aefe50b6cb1b817df84774780275617f01ba84bf83fb6efdd97fcd397c4eb90c
[INFO] running `Command { std: "docker" "start" "-a" "aefe50b6cb1b817df84774780275617f01ba84bf83fb6efdd97fcd397c4eb90c", kill_on_drop: false }`
[INFO] [stderr] warning: skipping duplicate package `parquet_write_parallel` found at `/opt/rustwide/cargo-home/git/checkouts/arrow2-8a2ad61d97265680/086c54d/examples/parquet_read_parallel`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
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[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling num-bigint v0.4.3
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[INFO] [stderr]     Checking csv-core v0.1.10
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[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking mio v0.7.14
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[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking memmap2 v0.5.2
[INFO] [stderr]     Checking lexical-write-float v0.8.2
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[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking polars-utils v0.1.0 (https://github.com/pola-rs/polars#06ed39b6)
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking lexical-core v0.8.2
[INFO] [stderr]     Checking num-complex v0.4.0
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[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking num v0.4.0
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rust_decimal v0.10.2
[INFO] [stderr]     Checking hashbrown v0.12.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking arrow2 v0.9.1 (https://github.com/jorgecarleitao/arrow2?rev=086c54d00aee7b26ba3c8d0c5c683c531e2c75c1#086c54d0)
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking comfy-table v5.0.0
[INFO] [stderr]     Checking dtparse v1.2.0
[INFO] [stderr]     Checking polars-arrow v0.19.1 (https://github.com/pola-rs/polars#06ed39b6)
[INFO] [stderr]     Checking polars-core v0.19.1 (https://github.com/pola-rs/polars#06ed39b6)
[INFO] [stderr]     Checking polars-io v0.19.1 (https://github.com/pola-rs/polars#06ed39b6)
[INFO] [stderr]     Checking polars-time v0.1.1 (https://github.com/pola-rs/polars#06ed39b6)
[INFO] [stderr]     Checking polars-lazy v0.19.1 (https://github.com/pola-rs/polars#06ed39b6)
[INFO] [stderr]     Checking polars v0.19.1 (https://github.com/pola-rs/polars#06ed39b6)
[INFO] [stderr]     Checking polar_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CsvReader` is imported redundantly
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | use polars::prelude::*;
[INFO] [stdout]    |     ------------------ the item `CsvReader` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 18 |     use polars::io::csv::CsvReader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CsvReader` is imported redundantly
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | use polars::prelude::*;
[INFO] [stdout]    |     ------------------ the item `CsvReader` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 18 |     use polars::io::csv::CsvReader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "aefe50b6cb1b817df84774780275617f01ba84bf83fb6efdd97fcd397c4eb90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aefe50b6cb1b817df84774780275617f01ba84bf83fb6efdd97fcd397c4eb90c", kill_on_drop: false }`
[INFO] [stdout] aefe50b6cb1b817df84774780275617f01ba84bf83fb6efdd97fcd397c4eb90c