[INFO] fetching crate polars-lazy 0.12.0-beta.0...
[INFO] checking polars-lazy-0.12.0-beta.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate polars-lazy 0.12.0-beta.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate polars-lazy 0.12.0-beta.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polars-lazy 0.12.0-beta.0
[INFO] finished tweaking crates.io crate polars-lazy 0.12.0-beta.0
[INFO] tweaked toml for crates.io crate polars-lazy 0.12.0-beta.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polars-io v0.12.0-beta.0
[INFO] [stderr]   Downloaded unsafe_unwrap v0.1.0
[INFO] [stderr]   Downloaded comfy-table v1.6.0
[INFO] [stderr]   Downloaded fast-float v0.1.0
[INFO] [stderr]   Downloaded polars-core v0.12.0-beta.0
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81eea2eed11e4e5f67a82bc5fe3534fb7473c3da749c9bee7422312d9dff324b
[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" "81eea2eed11e4e5f67a82bc5fe3534fb7473c3da749c9bee7422312d9dff324b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81eea2eed11e4e5f67a82bc5fe3534fb7473c3da749c9bee7422312d9dff324b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81eea2eed11e4e5f67a82bc5fe3534fb7473c3da749c9bee7422312d9dff324b", kill_on_drop: false }`
[INFO] [stdout] 81eea2eed11e4e5f67a82bc5fe3534fb7473c3da749c9bee7422312d9dff324b
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd179eab006c4298aac48d50e66541f849d7059d5e19cc96b8080cd4917b2ae
[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" "9dd179eab006c4298aac48d50e66541f849d7059d5e19cc96b8080cd4917b2ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
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[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.61
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[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling syn v1.0.59
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[INFO] [stderr]     Checking parking_lot v0.11.1
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[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking crossbeam v0.8.0
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[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking parquet-format v2.6.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking comfy-table v1.6.0
[INFO] [stderr]     Checking arrow v2.0.0
[INFO] [stderr]     Checking zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]     Checking polars-core v0.12.0-beta.0
[INFO] [stderr]     Checking polars-io v0.12.0-beta.0
[INFO] [stderr]     Checking polars-lazy v0.12.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `polars_io::prelude`
[INFO] [stdout]   --> src/logical_plan/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use polars_io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars_io::prelude`
[INFO] [stdout]   --> src/logical_plan/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use polars_io::prelude::*;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] running `Command { std: "docker" "inspect" "9dd179eab006c4298aac48d50e66541f849d7059d5e19cc96b8080cd4917b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd179eab006c4298aac48d50e66541f849d7059d5e19cc96b8080cd4917b2ae", kill_on_drop: false }`
[INFO] [stdout] 9dd179eab006c4298aac48d50e66541f849d7059d5e19cc96b8080cd4917b2ae