[INFO] fetching crate polars 0.3.0... [INFO] checking polars-0.3.0 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585 [INFO] extracting crate polars 0.3.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate polars 0.3.0 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate polars 0.3.0 [INFO] finished tweaking crates.io crate polars 0.3.0 [INFO] tweaked toml for crates.io crate polars 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d1329594bb4e8a2f97f20e7c9d91a1a74ad5814ad856fa28b6474a81abc56a2 [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" "1d1329594bb4e8a2f97f20e7c9d91a1a74ad5814ad856fa28b6474a81abc56a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d1329594bb4e8a2f97f20e7c9d91a1a74ad5814ad856fa28b6474a81abc56a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d1329594bb4e8a2f97f20e7c9d91a1a74ad5814ad856fa28b6474a81abc56a2", kill_on_drop: false }` [INFO] [stdout] 1d1329594bb4e8a2f97f20e7c9d91a1a74ad5814ad856fa28b6474a81abc56a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ba9578dc0946eb5be8002a343dd6afda9575b6cc2de4ea9e2466725eb19ecb4 [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" "5ba9578dc0946eb5be8002a343dd6afda9575b6cc2de4ea9e2466725eb19ecb4", kill_on_drop: false }` [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking unsafe_unwrap v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling indexmap v1.5.2 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Checking flatbuffers v0.6.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking rayon-core v1.8.0 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking num v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling enum_dispatch v0.3.2 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking arrow v1.0.1 [INFO] [stderr] Checking polars v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::prelude::*` [INFO] [stdout] --> src/chunked_array/builder.rs:328:9 [INFO] [stdout] | [INFO] [stdout] 328 | use crate::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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 12s [INFO] running `Command { std: "docker" "inspect" "5ba9578dc0946eb5be8002a343dd6afda9575b6cc2de4ea9e2466725eb19ecb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ba9578dc0946eb5be8002a343dd6afda9575b6cc2de4ea9e2466725eb19ecb4", kill_on_drop: false }` [INFO] [stdout] 5ba9578dc0946eb5be8002a343dd6afda9575b6cc2de4ea9e2466725eb19ecb4