[INFO] fetching crate polars-core 0.13.3... [INFO] testing polars-core-0.13.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate polars-core 0.13.3 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate polars-core 0.13.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate polars-core 0.13.3 [INFO] finished tweaking crates.io crate polars-core 0.13.3 [INFO] tweaked toml for crates.io crate polars-core 0.13.3 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rawpointer v0.2.1 [INFO] [stderr] Downloaded signal-hook v0.1.17 [INFO] [stderr] Downloaded rand_distr v0.3.0 [INFO] [stderr] Downloaded ndarray v0.13.1 [INFO] [stderr] Downloaded crossterm_winapi v0.7.0 [INFO] [stderr] Downloaded comfy-table v1.6.0 [INFO] [stderr] Downloaded packed_simd_2 v0.3.5 [INFO] [stderr] Downloaded crossterm v0.19.0 [INFO] [stderr] Downloaded matrixmultiply v0.2.4 [INFO] [stderr] Downloaded libm v0.2.1 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b33389535a79aae70fa3782cdb3d5ddf303679ba272a7d0e23fe86ff81a88def [INFO] running `Command { std: "docker" "start" "-a" "b33389535a79aae70fa3782cdb3d5ddf303679ba272a7d0e23fe86ff81a88def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b33389535a79aae70fa3782cdb3d5ddf303679ba272a7d0e23fe86ff81a88def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b33389535a79aae70fa3782cdb3d5ddf303679ba272a7d0e23fe86ff81a88def", kill_on_drop: false }` [INFO] [stdout] b33389535a79aae70fa3782cdb3d5ddf303679ba272a7d0e23fe86ff81a88def [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc2d00d756fc4add4ef565b9dafba555a5a19910c3b3dcb2b427510ca4f6826a [INFO] running `Command { std: "docker" "start" "-a" "cc2d00d756fc4add4ef565b9dafba555a5a19910c3b3dcb2b427510ca4f6826a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling unsafe_unwrap v0.1.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling multiversion-macros v0.6.1 [INFO] [stderr] Compiling multiversion v0.6.1 [INFO] [stderr] Compiling thiserror v1.0.25 [INFO] [stderr] Compiling flatbuffers v0.8.4 [INFO] [stderr] Compiling arrow v4.2.0 [INFO] [stderr] Compiling polars-arrow v0.13.4 [INFO] [stderr] Compiling polars-core v0.13.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `max_n_rows` [INFO] [stdout] --> src/fmt.rs:371:13 [INFO] [stdout] | [INFO] [stdout] 371 | let max_n_rows = std::env::var("POLARS_FMT_MAX_ROWS") [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_n_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prepare_row` [INFO] [stdout] --> src/fmt.rs:332:4 [INFO] [stdout] | [INFO] [stdout] 332 | fn prepare_row(row: Vec, n_first: usize, n_last: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `polars-core` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name polars_core --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="chrono"' --cfg 'feature="default"' --cfg 'feature="docs"' --cfg 'feature="performant"' --cfg 'feature="regex"' --cfg 'feature="temporal"' -C metadata=a3eb8f0cd383dbae -C extra-filename=-a3eb8f0cd383dbae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-e82710064f70c6a6.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d556324edbc6a24d.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libarrow-bb2b6125926d7198.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9f3faac5097f3b71.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-bb1dc0a44a261d38.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-36728487e4ae6d75.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fe77dffdc770c77c.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-071ff090805dcccc.rmeta --extern polars_arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-9a83332e0aa51b3c.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-64a7991a2d93cc34.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-304a182fb235bf3f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-694a5e12534479a1.rmeta --extern unsafe_unwrap=/opt/rustwide/target/debug/deps/libunsafe_unwrap-044190c91c387c8a.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "cc2d00d756fc4add4ef565b9dafba555a5a19910c3b3dcb2b427510ca4f6826a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc2d00d756fc4add4ef565b9dafba555a5a19910c3b3dcb2b427510ca4f6826a", kill_on_drop: false }` [INFO] [stdout] cc2d00d756fc4add4ef565b9dafba555a5a19910c3b3dcb2b427510ca4f6826a