[INFO] fetching crate syntaxdot-tokenizers 0.2.1...
[INFO] checking syntaxdot-tokenizers-0.2.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate syntaxdot-tokenizers 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate syntaxdot-tokenizers 0.2.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntaxdot-tokenizers 0.2.1
[INFO] finished tweaking crates.io crate syntaxdot-tokenizers 0.2.1
[INFO] tweaked toml for crates.io crate syntaxdot-tokenizers 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6255a1515d110f9551013e1db252cf9c5615b61354d5f8b050ed8e3572b6c23e
[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" "6255a1515d110f9551013e1db252cf9c5615b61354d5f8b050ed8e3572b6c23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6255a1515d110f9551013e1db252cf9c5615b61354d5f8b050ed8e3572b6c23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6255a1515d110f9551013e1db252cf9c5615b61354d5f8b050ed8e3572b6c23e", kill_on_drop: false }`
[INFO] [stdout] 6255a1515d110f9551013e1db252cf9c5615b61354d5f8b050ed8e3572b6c23e
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a362e50829eb4243aaa189bce5a335d93a3ed93e58451c7662befd51d0469ec
[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" "9a362e50829eb4243aaa189bce5a335d93a3ed93e58451c7662befd51d0469ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling sentencepiece-sys v0.5.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling prost-derive v0.6.1
[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 --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=93c4a5197e065b09 -C extra-filename=-93c4a5197e065b09 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-5ef0e3454583ec3d.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-574cd0bcb7f2bf8c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ca4df0c3e68ad58d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-416358088c0055fc.rmeta --extern rawpointer=/opt/rustwide/target/debug/deps/librawpointer-30f8e55d5764171a.rmeta --cap-lints allow --cap-lints=forbid` (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" "9a362e50829eb4243aaa189bce5a335d93a3ed93e58451c7662befd51d0469ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a362e50829eb4243aaa189bce5a335d93a3ed93e58451c7662befd51d0469ec", kill_on_drop: false }`
[INFO] [stdout] 9a362e50829eb4243aaa189bce5a335d93a3ed93e58451c7662befd51d0469ec