[INFO] fetching crate polars-io 0.17.0... [INFO] testing polars-io-0.17.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate polars-io 0.17.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate polars-io 0.17.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate polars-io 0.17.0 [INFO] finished tweaking crates.io crate polars-io 0.17.0 [INFO] tweaked toml for crates.io crate polars-io 0.17.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0ad813792243c5419f2783abc5960def6f2cdb37c3ed9922fae82325b0807732 [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" "0ad813792243c5419f2783abc5960def6f2cdb37c3ed9922fae82325b0807732", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ad813792243c5419f2783abc5960def6f2cdb37c3ed9922fae82325b0807732", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ad813792243c5419f2783abc5960def6f2cdb37c3ed9922fae82325b0807732", kill_on_drop: false }` [INFO] [stdout] 0ad813792243c5419f2783abc5960def6f2cdb37c3ed9922fae82325b0807732 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 000e65c4ff581a6859251da910d15fc34f2f7b33b8e5fd248e01523c0f319259 [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" "000e65c4ff581a6859251da910d15fc34f2f7b33b8e5fd248e01523c0f319259", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling strength_reduce v0.2.3 [INFO] [stderr] Compiling anyhow v1.0.47 [INFO] [stderr] Compiling simdutf8 v0.1.3 [INFO] [stderr] Compiling hash_hasher v2.0.3 [INFO] [stderr] Compiling unsafe_unwrap v0.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling lexical-util v0.8.1 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling dirs-sys v0.3.6 [INFO] [stderr] Compiling dirs v3.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling lexical-parse-integer v0.8.0 [INFO] [stderr] Compiling lexical-write-integer v0.8.0 [INFO] [stderr] Compiling lexical-parse-float v0.8.2 [INFO] [stderr] Compiling lexical-write-float v0.8.2 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling lexical-core v0.8.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling multiversion-macros v0.6.1 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling multiversion v0.6.1 [INFO] [stderr] Compiling arrow2 v0.7.0 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling polars-arrow v0.17.0 [INFO] [stderr] Compiling polars-core v0.17.0 [INFO] [stderr] Compiling polars-io v0.17.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `resolve_homedir` [INFO] [stdout] --> src/utils.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn resolve_homedir(path: &Path) -> PathBuf { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `finish` [INFO] [stdout] --> src/lib.rs:166:19 [INFO] [stdout] | [INFO] [stdout] 166 | pub(crate) fn finish(&self, df: &DataFrame) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.17.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="private"' -C metadata=2ff297d95b3f727d -C extra-filename=-2ff297d95b3f727d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-430f0e97dc050720.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-f5ccf7dfbfa8eaad.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libarrow2-01abf0fbb5d4d4be.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0eb9b133cdf97759.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9ade512e5033c232.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-30e5b1cd2289e6ad.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-f58efe109b9782ba.rmeta --extern polars_arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-7cd2e53976f80984.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-14c9280df2ad45f4.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d7c4572d54fe1541.rmeta --extern unsafe_unwrap=/opt/rustwide/target/debug/deps/libunsafe_unwrap-2cb032826a6f7e1e.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "000e65c4ff581a6859251da910d15fc34f2f7b33b8e5fd248e01523c0f319259", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "000e65c4ff581a6859251da910d15fc34f2f7b33b8e5fd248e01523c0f319259", kill_on_drop: false }` [INFO] [stdout] 000e65c4ff581a6859251da910d15fc34f2f7b33b8e5fd248e01523c0f319259