[INFO] fetching crate polars-io 0.22.7...
[INFO] checking polars-io-0.22.7 against try#0c46a61b05fb97ea2e031df461bcb1436e3c5bc3 for pr-98456-1
[INFO] extracting crate polars-io 0.22.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate polars-io 0.22.7 on toolchain 0c46a61b05fb97ea2e031df461bcb1436e3c5bc3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polars-io 0.22.7
[INFO] finished tweaking crates.io crate polars-io 0.22.7
[INFO] tweaked toml for crates.io crate polars-io 0.22.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d218c694f969f9fc6531de4f9cb480af2c96ec7a9df1d19ff3eed7be44836ec
[INFO] running `Command { std: "docker" "start" "-a" "8d218c694f969f9fc6531de4f9cb480af2c96ec7a9df1d19ff3eed7be44836ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d218c694f969f9fc6531de4f9cb480af2c96ec7a9df1d19ff3eed7be44836ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d218c694f969f9fc6531de4f9cb480af2c96ec7a9df1d19ff3eed7be44836ec", kill_on_drop: false }`
[INFO] [stdout] 8d218c694f969f9fc6531de4f9cb480af2c96ec7a9df1d19ff3eed7be44836ec
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d91c61501e71cc8cf6e944733e8bcd65d32e65c829620c4bbaf6055e4050f30f
[INFO] running `Command { std: "docker" "start" "-a" "d91c61501e71cc8cf6e944733e8bcd65d32e65c829620c4bbaf6055e4050f30f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking polars-utils v0.22.7
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling bytemuck_derive v1.1.0
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking arrow2 v0.12.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking polars-arrow v0.22.7
[INFO] [stderr]     Checking polars-core v0.22.7
[INFO] [stderr]     Checking polars-io v0.22.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `ScanAggregation` is never used
[INFO] [stdout]  --> src/aggregations.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum ScanAggregation {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `finish` is never used
[INFO] [stdout]   --> src/aggregations.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub(crate) fn finish(&self, df: &DataFrame) -> Result<Series> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_df` is never used
[INFO] [stdout]   --> src/prelude.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn create_df() -> DataFrame {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_row_counts` is never used
[INFO] [stdout]   --> src/utils.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub(crate) fn update_row_counts(dfs: &mut [(DataFrame, IdxSize)]) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ScanAggregation` is never used
[INFO] [stdout]  --> src/aggregations.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum ScanAggregation {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `finish` is never used
[INFO] [stdout]   --> src/aggregations.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub(crate) fn finish(&self, df: &DataFrame) -> Result<Series> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_row_counts` is never used
[INFO] [stdout]   --> src/utils.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub(crate) fn update_row_counts(dfs: &mut [(DataFrame, IdxSize)]) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.11s
[INFO] running `Command { std: "docker" "inspect" "d91c61501e71cc8cf6e944733e8bcd65d32e65c829620c4bbaf6055e4050f30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91c61501e71cc8cf6e944733e8bcd65d32e65c829620c4bbaf6055e4050f30f", kill_on_drop: false }`
[INFO] [stdout] d91c61501e71cc8cf6e944733e8bcd65d32e65c829620c4bbaf6055e4050f30f