[INFO] fetching crate syntaxdot 0.4.1...
[INFO] testing syntaxdot-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate syntaxdot 0.4.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate syntaxdot 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntaxdot 0.4.1
[INFO] finished tweaking crates.io crate syntaxdot 0.4.1
[INFO] tweaked toml for crates.io crate syntaxdot 0.4.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 483051b31c050646d2f0d07391527dfe140033b2db8e3d4827857a975421f8f3
[INFO] running `Command { std: "docker" "start" "-a" "483051b31c050646d2f0d07391527dfe140033b2db8e3d4827857a975421f8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "483051b31c050646d2f0d07391527dfe140033b2db8e3d4827857a975421f8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483051b31c050646d2f0d07391527dfe140033b2db8e3d4827857a975421f8f3", kill_on_drop: false }`
[INFO] [stdout] 483051b31c050646d2f0d07391527dfe140033b2db8e3d4827857a975421f8f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ae62dec7ec54ae5540871eb4c71763afe923c590a1abca41fc6b26cfe0db88
[INFO] running `Command { std: "docker" "start" "-a" "95ae62dec7ec54ae5540871eb4c71763afe923c590a1abca41fc6b26cfe0db88", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling seqalign v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling sentencepiece-sys v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling udgraph v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[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-0.15.3/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 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=b8b6cef89e914398 -C extra-filename=-b8b6cef89e914398 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-20da30e652c7d74d.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-109a96dd110d9768.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-6132754d7c356ccd.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-07bce94835c38406.rmeta --extern rawpointer=/opt/rustwide/target/debug/deps/librawpointer-6aa2ca10ed178081.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" "95ae62dec7ec54ae5540871eb4c71763afe923c590a1abca41fc6b26cfe0db88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ae62dec7ec54ae5540871eb4c71763afe923c590a1abca41fc6b26cfe0db88", kill_on_drop: false }`
[INFO] [stdout] 95ae62dec7ec54ae5540871eb4c71763afe923c590a1abca41fc6b26cfe0db88