[INFO] cloning repository https://github.com/coachnrm/rust_data_analysis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coachnrm/rust_data_analysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoachnrm%2Frust_data_analysis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoachnrm%2Frust_data_analysis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f1a1639d10cf5702b9a10d3dd2c90e59a2a4e906 [INFO] checking coachnrm/rust_data_analysis against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoachnrm%2Frust_data_analysis" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/coachnrm/rust_data_analysis on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/coachnrm/rust_data_analysis [INFO] finished tweaking git repo https://github.com/coachnrm/rust_data_analysis [INFO] tweaked toml for git repo https://github.com/coachnrm/rust_data_analysis written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/coachnrm/rust_data_analysis already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c92cb61666f89db776c5ff3989d3a90f4a7eea182a448bd00bb9b2b308ecc773 [INFO] running `Command { std: "docker" "start" "-a" "c92cb61666f89db776c5ff3989d3a90f4a7eea182a448bd00bb9b2b308ecc773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c92cb61666f89db776c5ff3989d3a90f4a7eea182a448bd00bb9b2b308ecc773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c92cb61666f89db776c5ff3989d3a90f4a7eea182a448bd00bb9b2b308ecc773", kill_on_drop: false }` [INFO] [stdout] c92cb61666f89db776c5ff3989d3a90f4a7eea182a448bd00bb9b2b308ecc773 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1572f34da4f4b94ab71056738818ffc0838226696397b014b0f40eb739eaf3a2 [INFO] running `Command { std: "docker" "start" "-a" "1572f34da4f4b94ab71056738818ffc0838226696397b014b0f40eb739eaf3a2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling rustversion v1.0.20 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling cc v1.2.23 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Checking array-init-cursor v0.2.1 [INFO] [stderr] Compiling target-features v0.1.6 [INFO] [stderr] Compiling parse-zoneinfo v0.3.1 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking foldhash v0.1.5 [INFO] [stderr] Checking planus v0.3.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling polars-utils v0.45.1 [INFO] [stderr] Checking simdutf8 v0.1.5 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking phf_shared v0.11.3 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking raw-cpuid v11.5.0 [INFO] [stderr] Checking memmap2 v0.9.5 [INFO] [stderr] Compiling polars-schema v0.45.1 [INFO] [stderr] Checking phf v0.11.3 [INFO] [stderr] Compiling polars-arrow v0.45.1 [INFO] [stderr] Checking dyn-clone v1.0.19 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling polars-compute v0.45.1 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking strength_reduce v0.2.4 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Checking ethnum v1.5.1 [INFO] [stderr] Checking streaming-iterator v0.1.9 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking itoap v1.0.1 [INFO] [stderr] Checking fast-float2 v0.2.3 [INFO] [stderr] Checking castaway v0.2.3 [INFO] [stderr] Compiling phf_codegen v0.11.3 [INFO] [stderr] Checking atoi_simd v0.16.0 [INFO] [stderr] Compiling polars-core v0.45.1 [INFO] [stderr] Compiling chrono-tz-build v0.4.1 [INFO] [stderr] Checking unicode-width v0.2.0 [INFO] [stderr] Compiling polars-ops v0.45.1 [INFO] [stderr] Checking xxhash-rust v0.8.15 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling polars-plan v0.45.1 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Checking home v0.5.11 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling typeid v1.0.3 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling polars-lazy v0.45.1 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Compiling psm v0.1.26 [INFO] [stderr] Compiling stacker v0.1.21 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Checking streaming-decompression v0.1.2 [INFO] [stderr] Compiling polars v0.45.1 [INFO] [stderr] Checking humansize v2.1.3 [INFO] [stderr] Checking polars-parquet-format v0.1.0 [INFO] [stderr] Compiling chrono-tz v0.10.3 [INFO] [stderr] Checking crossterm v0.28.1 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking argminmax v0.6.3 [INFO] [stderr] Checking atoi v2.0.0 [INFO] [stderr] Checking comfy-table v7.1.4 [INFO] [stderr] Checking now v0.1.3 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling multiversion-macros v0.7.4 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling bytemuck_derive v1.9.3 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Compiling recursive-proc-macro-impl v0.1.1 [INFO] [stderr] Compiling serde_repr v0.1.20 [INFO] [stderr] Checking recursive v0.1.1 [INFO] [stderr] Checking multiversion v0.7.4 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking bytemuck v1.23.0 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling serde_with_macros v3.12.0 [INFO] [stderr] Compiling plotly_derive v0.11.0 [INFO] [stderr] Checking polars-arrow-format v0.1.0 [INFO] [stderr] Checking hashbrown v0.15.3 [INFO] [stderr] Checking compact_str v0.8.1 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking serde_with v3.12.0 [INFO] [stderr] Checking erased-serde v0.4.6 [INFO] [stderr] Compiling basic-toml v0.1.10 [INFO] [stderr] Compiling rinja_parser v0.3.5 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Checking polars-error v0.45.1 [INFO] [stderr] Compiling rinja_derive v0.3.5 [INFO] [stderr] Checking rinja v0.3.5 [INFO] [stderr] Checking plotly v0.11.0 [INFO] [stderr] Checking polars-row v0.45.1 [INFO] [stderr] Checking polars-parquet v0.45.1 [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-core-0.45.1/src/chunked_array/mod.rs:254:9 [INFO] [stdout] | [INFO] [stdout] 254 | / self.md.as_ref().try_read().map_or( [INFO] [stdout] 255 | | MetadataReadGuard::Locked(&Metadata::DEFAULT), [INFO] [stdout] | | ----------------- temporary value created here [INFO] [stdout] 256 | | MetadataReadGuard::Unlocked, [INFO] [stdout] 257 | | ) [INFO] [stdout] | |_________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `polars-core` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "1572f34da4f4b94ab71056738818ffc0838226696397b014b0f40eb739eaf3a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1572f34da4f4b94ab71056738818ffc0838226696397b014b0f40eb739eaf3a2", kill_on_drop: false }` [INFO] [stdout] 1572f34da4f4b94ab71056738818ffc0838226696397b014b0f40eb739eaf3a2