[INFO] fetching crate mongodb-arrow-connector 0.3.0...
[INFO] testing mongodb-arrow-connector-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mongodb-arrow-connector 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mongodb-arrow-connector 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mongodb-arrow-connector 0.3.0
[INFO] finished tweaking crates.io crate mongodb-arrow-connector 0.3.0
[INFO] tweaked toml for crates.io crate mongodb-arrow-connector 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac8cb4f91341ed401ea6b449965c4bdbb88645adc8fd810f16b0d8d21b715136
[INFO] running `Command { std: "docker" "start" "-a" "ac8cb4f91341ed401ea6b449965c4bdbb88645adc8fd810f16b0d8d21b715136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac8cb4f91341ed401ea6b449965c4bdbb88645adc8fd810f16b0d8d21b715136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8cb4f91341ed401ea6b449965c4bdbb88645adc8fd810f16b0d8d21b715136", kill_on_drop: false }`
[INFO] [stdout] ac8cb4f91341ed401ea6b449965c4bdbb88645adc8fd810f16b0d8d21b715136
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25bd6b3e49ed145b86f6e5bcb61aba06f4c5d7ec7c517737cec6157467cf450e
[INFO] running `Command { std: "docker" "start" "-a" "25bd6b3e49ed145b86f6e5bcb61aba06f4c5d7ec7c517737cec6157467cf450e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling flatbuffers v0.8.4
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling os_info v3.0.6
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_with v1.9.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling bson v1.2.3
[INFO] [stderr]    Compiling trust-dns-proto v0.19.7
[INFO] [stderr]    Compiling tokio-rustls v0.13.1
[INFO] [stderr]    Compiling arrow v4.4.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.7
[INFO] [stderr]    Compiling mongodb v1.2.2
[INFO] [stderr]    Compiling mongodb-arrow-connector v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `arrow`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arrow --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrow-4.4.0/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 -C metadata=0daf273c4364b88f -C extra-filename=-0daf273c4364b88f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cdc6589bb6dde894.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-b39a95f354713e9f.rmeta --extern flatbuffers=/opt/rustwide/target/debug/deps/libflatbuffers-0727b17cfb82f3cd.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-26332ec05e0770db.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-d8d3c76f0f3a39a5.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5c53d641eb010a81.rmeta --extern lexical_core=/opt/rustwide/target/debug/deps/liblexical_core-80a5588777ce8d87.rmeta --extern multiversion=/opt/rustwide/target/debug/deps/libmultiversion-74031b18dd839dfc.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-a01a64bbfd6125dd.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8faf9351297339a8.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-61169e0bd48871d5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7ebdc3e927217279.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-5695adbd78d50f24.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d6d30f7b68053b65.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25bd6b3e49ed145b86f6e5bcb61aba06f4c5d7ec7c517737cec6157467cf450e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25bd6b3e49ed145b86f6e5bcb61aba06f4c5d7ec7c517737cec6157467cf450e", kill_on_drop: false }`
[INFO] [stdout] 25bd6b3e49ed145b86f6e5bcb61aba06f4c5d7ec7c517737cec6157467cf450e