[INFO] fetching crate vega_lite_4 0.5.0...
[INFO] testing vega_lite_4-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vega_lite_4 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate vega_lite_4 0.5.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vega_lite_4 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vega_lite_4 0.5.0
[INFO] tweaked toml for crates.io crate vega_lite_4 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate vega_lite_4 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08c65d3886063fc005599da8f32bccfa652198066d948920b95218b2cb003f96
[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" "08c65d3886063fc005599da8f32bccfa652198066d948920b95218b2cb003f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08c65d3886063fc005599da8f32bccfa652198066d948920b95218b2cb003f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c65d3886063fc005599da8f32bccfa652198066d948920b95218b2cb003f96", kill_on_drop: false }`
[INFO] [stdout] 08c65d3886063fc005599da8f32bccfa652198066d948920b95218b2cb003f96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 8e3d58aa189682a23f32bfe0dac7c49f7a9a93babeb6f88287160eba52c8a88b
[INFO] running `Command { std: "docker" "start" "-a" "8e3d58aa189682a23f32bfe0dac7c49f7a9a93babeb6f88287160eba52c8a88b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling showata v0.2.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling vega_lite_4 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `vega_lite_4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vega_lite_4 --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="anyhow"' --cfg 'feature="csv"' --cfg 'feature="default"' --cfg 'feature="ndarray"' --cfg 'feature="show_vega"' --cfg 'feature="showata"' -C metadata=eca31b932f028571 -C extra-filename=-eca31b932f028571 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-f1203929bfcbb77b.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-50f56bc998dc7f0a.rmeta --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-918eb706b49522b3.so --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-1296f493097b702b.so --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-e07155524b8b403f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6d5d7c2cabbf8194.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fbf672ee9a071933.rmeta --extern showata=/opt/rustwide/target/debug/deps/libshowata-42411fe665a93e3b.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8e3d58aa189682a23f32bfe0dac7c49f7a9a93babeb6f88287160eba52c8a88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3d58aa189682a23f32bfe0dac7c49f7a9a93babeb6f88287160eba52c8a88b", kill_on_drop: false }`
[INFO] [stdout] 8e3d58aa189682a23f32bfe0dac7c49f7a9a93babeb6f88287160eba52c8a88b