[INFO] cloning repository https://github.com/gwangjinkim/csv_cruncher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwangjinkim/csv_cruncher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwangjinkim%2Fcsv_cruncher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwangjinkim%2Fcsv_cruncher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bd3a0eb1f54705c9c6d707051264e66c7773cc16 [INFO] checking gwangjinkim/csv_cruncher against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwangjinkim%2Fcsv_cruncher" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gwangjinkim/csv_cruncher 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] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/gwangjinkim/csv_cruncher [INFO] finished tweaking git repo https://github.com/gwangjinkim/csv_cruncher [INFO] tweaked toml for git repo https://github.com/gwangjinkim/csv_cruncher written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/gwangjinkim/csv_cruncher 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8cbf71e44baaa249080179a34823771798eb0a91cfc6f7d7841ccaec85fdd830 [INFO] running `Command { std: "docker" "start" "-a" "8cbf71e44baaa249080179a34823771798eb0a91cfc6f7d7841ccaec85fdd830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8cbf71e44baaa249080179a34823771798eb0a91cfc6f7d7841ccaec85fdd830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cbf71e44baaa249080179a34823771798eb0a91cfc6f7d7841ccaec85fdd830", kill_on_drop: false }` [INFO] [stdout] 8cbf71e44baaa249080179a34823771798eb0a91cfc6f7d7841ccaec85fdd830 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 096d16879bff3cc7a724001343bf8419e0de98cc7108a6891128f41d211e3866 [INFO] running `Command { std: "docker" "start" "-a" "096d16879bff3cc7a724001343bf8419e0de98cc7108a6891128f41d211e3866", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling libm v0.2.13 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling rustversion v1.0.20 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Compiling cc v1.2.20 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking array-init-cursor v0.2.1 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling target-features v0.1.6 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking planus v0.3.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling polars-utils v0.43.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking simdutf8 v0.1.5 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Compiling polars-schema v0.43.1 [INFO] [stderr] Checking raw-cpuid v11.5.0 [INFO] [stderr] Compiling target-lexicon v0.12.16 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking iana-time-zone v0.1.63 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking castaway v0.2.3 [INFO] [stderr] Checking memmap2 v0.7.1 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling polars-arrow v0.43.1 [INFO] [stderr] Checking fast-float v0.2.0 [INFO] [stderr] Checking atoi_simd v0.15.6 [INFO] [stderr] Checking streaming-iterator v0.1.9 [INFO] [stderr] Checking dyn-clone v1.0.19 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking ethnum v1.5.1 [INFO] [stderr] Checking strength_reduce v0.2.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling polars-compute v0.43.1 [INFO] [stderr] Compiling pyo3-build-config v0.22.6 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Compiling polars-core v0.43.1 [INFO] [stderr] Checking unicode-width v0.2.0 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Compiling polars-ops v0.43.1 [INFO] [stderr] Checking xxhash-rust v0.8.15 [INFO] [stderr] Compiling polars-plan v0.43.1 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking home v0.5.11 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking colorchoice v1.0.3 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Checking anstyle-query v1.1.2 [INFO] [stderr] Checking anstyle-parse v0.2.6 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking chrono v0.4.40 [INFO] [stderr] Checking argminmax v0.6.2 [INFO] [stderr] Compiling psm v0.1.26 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling stacker v0.1.21 [INFO] [stderr] Checking atoi v2.0.0 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling polars-lazy v0.43.1 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking clap_lex v0.7.4 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Compiling polars v0.43.1 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Checking parquet-format-safe v0.2.4 [INFO] [stderr] Checking clap_builder v4.5.37 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Checking streaming-decompression v0.1.2 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking unindent v0.2.4 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking crossterm v0.28.1 [INFO] [stderr] Compiling indoc v2.0.6 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking comfy-table v7.1.4 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Compiling pyo3-ffi v0.22.6 [INFO] [stderr] Compiling pyo3-macros-backend v0.22.6 [INFO] [stderr] Compiling pyo3 v0.22.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking is-terminal v0.4.16 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking now v0.1.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling multiversion-macros v0.7.4 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling bytemuck_derive v1.9.3 [INFO] [stderr] Compiling recursive-proc-macro-impl v0.1.1 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Checking recursive v0.1.1 [INFO] [stderr] Checking multiversion v0.7.4 [INFO] [stderr] Checking bytemuck v1.22.0 [INFO] [stderr] Checking clap v4.5.37 [INFO] [stderr] Compiling pyo3-macros v0.22.6 [INFO] [stderr] Checking polars-arrow-format v0.1.0 [INFO] [stderr] Checking compact_str v0.8.1 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking polars-error v0.43.1 [INFO] [stderr] Checking polars-row v0.43.1 [INFO] [stderr] Checking polars-parquet v0.43.1 [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-core-0.43.1/src/chunked_array/mod.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | / self.md.as_ref().try_read().map_or( [INFO] [stdout] 216 | | MetadataReadGuard::Locked(&Metadata::DEFAULT), [INFO] [stdout] | | ----------------- temporary value created here [INFO] [stdout] 217 | | MetadataReadGuard::Unlocked, [INFO] [stdout] 218 | | ) [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" "096d16879bff3cc7a724001343bf8419e0de98cc7108a6891128f41d211e3866", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "096d16879bff3cc7a724001343bf8419e0de98cc7108a6891128f41d211e3866", kill_on_drop: false }` [INFO] [stdout] 096d16879bff3cc7a724001343bf8419e0de98cc7108a6891128f41d211e3866