[INFO] fetching crate syntaxdot-tokenizers 0.2.0...
[INFO] testing syntaxdot-tokenizers-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate syntaxdot-tokenizers 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate syntaxdot-tokenizers 0.2.0 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 syntaxdot-tokenizers 0.2.0
[INFO] finished tweaking crates.io crate syntaxdot-tokenizers 0.2.0
[INFO] tweaked toml for crates.io crate syntaxdot-tokenizers 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bd5ba6ab55b4e983cae9a3870e4a751cad0453f47d9f70f90fecb94445b5fcb
[INFO] running `Command { std: "docker" "start" "-a" "6bd5ba6ab55b4e983cae9a3870e4a751cad0453f47d9f70f90fecb94445b5fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd5ba6ab55b4e983cae9a3870e4a751cad0453f47d9f70f90fecb94445b5fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd5ba6ab55b4e983cae9a3870e4a751cad0453f47d9f70f90fecb94445b5fcb", kill_on_drop: false }`
[INFO] [stdout] 6bd5ba6ab55b4e983cae9a3870e4a751cad0453f47d9f70f90fecb94445b5fcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] e25fbb7531fa83e2008774572e63a3b1a6e430172dab2d733c17e3c3fb2bee75
[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" "e25fbb7531fa83e2008774572e63a3b1a6e430172dab2d733c17e3c3fb2bee75", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling sentencepiece-sys v0.5.0
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling wordpieces v0.4.0
[INFO] [stderr]    Compiling conllu v0.5.1
[INFO] [stderr] error: could not compile `ndarray`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ndarray --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndarray-0.13.1/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=25af4fa4af21d3a5 -C extra-filename=-25af4fa4af21d3a5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-30d4d20b5fda7456.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-9d375b9bf1e454af.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-4545f17f749a0151.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-4a59219676fe7595.rmeta --extern rawpointer=/opt/rustwide/target/debug/deps/librawpointer-1f0ddd829a75cd7b.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" "e25fbb7531fa83e2008774572e63a3b1a6e430172dab2d733c17e3c3fb2bee75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25fbb7531fa83e2008774572e63a3b1a6e430172dab2d733c17e3c3fb2bee75", kill_on_drop: false }`
[INFO] [stdout] e25fbb7531fa83e2008774572e63a3b1a6e430172dab2d733c17e3c3fb2bee75