[INFO] fetching crate polars-io 0.12.0-beta.0... [INFO] checking polars-io-0.12.0-beta.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate polars-io 0.12.0-beta.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate polars-io 0.12.0-beta.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate polars-io 0.12.0-beta.0 [INFO] finished tweaking crates.io crate polars-io 0.12.0-beta.0 [INFO] tweaked toml for crates.io crate polars-io 0.12.0-beta.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d8b1880ec24c00606da581d8549d7c101a8e319dd7ea2929eae3b6dad31af3b1 [INFO] running `Command { std: "docker" "start" "-a" "d8b1880ec24c00606da581d8549d7c101a8e319dd7ea2929eae3b6dad31af3b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8b1880ec24c00606da581d8549d7c101a8e319dd7ea2929eae3b6dad31af3b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8b1880ec24c00606da581d8549d7c101a8e319dd7ea2929eae3b6dad31af3b1", kill_on_drop: false }` [INFO] [stdout] d8b1880ec24c00606da581d8549d7c101a8e319dd7ea2929eae3b6dad31af3b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de5c75ddd77510eb19177c319e3c53e23991906757b2ff951067d90dc635d472 [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" "de5c75ddd77510eb19177c319e3c53e23991906757b2ff951067d90dc635d472", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking fast-float v0.1.0 [INFO] [stderr] Checking unsafe_unwrap v0.1.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking log v0.4.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking flatbuffers v0.6.1 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking ahash v0.5.10 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking comfy-table v1.6.0 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking lexical v5.2.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking arrow v2.0.0 [INFO] [stderr] Checking polars-core v0.12.0-beta.0 [INFO] [stderr] Checking polars-io v0.12.0-beta.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `finish_reader` [INFO] [stdout] --> src/lib.rs:81:15 [INFO] [stdout] | [INFO] [stdout] 81 | pub(crate) fn finish_reader( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `finish_reader` [INFO] [stdout] --> src/lib.rs:81:15 [INFO] [stdout] | [INFO] [stdout] 81 | pub(crate) fn finish_reader( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 58.34s [INFO] running `Command { std: "docker" "inspect" "de5c75ddd77510eb19177c319e3c53e23991906757b2ff951067d90dc635d472", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de5c75ddd77510eb19177c319e3c53e23991906757b2ff951067d90dc635d472", kill_on_drop: false }` [INFO] [stdout] de5c75ddd77510eb19177c319e3c53e23991906757b2ff951067d90dc635d472