[INFO] fetching crate arrow 2.0.0... [INFO] checking arrow-2.0.0 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338 [INFO] extracting crate arrow 2.0.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate arrow 2.0.0 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate arrow 2.0.0 [INFO] finished tweaking crates.io crate arrow 2.0.0 [INFO] tweaked toml for crates.io crate arrow 2.0.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate arrow 2.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] 70de90102d559426d76caef275a514525086a999cae71e8f9529f24aeaa927f0 [INFO] running `Command { std: "docker" "start" "-a" "70de90102d559426d76caef275a514525086a999cae71e8f9529f24aeaa927f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70de90102d559426d76caef275a514525086a999cae71e8f9529f24aeaa927f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70de90102d559426d76caef275a514525086a999cae71e8f9529f24aeaa927f0", kill_on_drop: false }` [INFO] [stdout] 70de90102d559426d76caef275a514525086a999cae71e8f9529f24aeaa927f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5ec6eb44fab8ceff044556736dce3acba4c76ff7ed23a6e7d53e12d9dff945e [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" "e5ec6eb44fab8ceff044556736dce3acba4c76ff7ed23a6e7d53e12d9dff945e", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling syn v1.0.45 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling rayon v1.4.1 [INFO] [stderr] Checking flatbuffers v0.6.1 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking miniz_oxide v0.4.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking flate2 v1.0.18 [INFO] [stderr] Checking rayon-core v1.8.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking num v0.3.0 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stderr] Checking arrow v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:127:12 [INFO] [stdout] | [INFO] [stdout] 127 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:127:12 [INFO] [stdout] | [INFO] [stdout] 127 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 24s [INFO] running `Command { std: "docker" "inspect" "e5ec6eb44fab8ceff044556736dce3acba4c76ff7ed23a6e7d53e12d9dff945e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5ec6eb44fab8ceff044556736dce3acba4c76ff7ed23a6e7d53e12d9dff945e", kill_on_drop: false }` [INFO] [stdout] e5ec6eb44fab8ceff044556736dce3acba4c76ff7ed23a6e7d53e12d9dff945e