[INFO] fetching crate ndarray 0.15.4...
[INFO] testing ndarray-0.15.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ndarray 0.15.4 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate ndarray 0.15.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ndarray 0.15.4
[INFO] finished tweaking crates.io crate ndarray 0.15.4
[INFO] tweaked toml for crates.io crate ndarray 0.15.4 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate ndarray 0.15.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e818f40ec12e13de50e65debe58612f6f9829bcc923d2eb1b8385f4510510144
[INFO] running `Command { std: "docker" "start" "-a" "e818f40ec12e13de50e65debe58612f6f9829bcc923d2eb1b8385f4510510144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e818f40ec12e13de50e65debe58612f6f9829bcc923d2eb1b8385f4510510144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e818f40ec12e13de50e65debe58612f6f9829bcc923d2eb1b8385f4510510144", kill_on_drop: false }`
[INFO] [stdout] e818f40ec12e13de50e65debe58612f6f9829bcc923d2eb1b8385f4510510144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 771b52b9883afb5ee6c3b4d00d985a14d84cec9fd2454f100c954568e6e4e5de
[INFO] running `Command { std: "docker" "start" "-a" "771b52b9883afb5ee6c3b4d00d985a14d84cec9fd2454f100c954568e6e4e5de", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "771b52b9883afb5ee6c3b4d00d985a14d84cec9fd2454f100c954568e6e4e5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771b52b9883afb5ee6c3b4d00d985a14d84cec9fd2454f100c954568e6e4e5de", kill_on_drop: false }`
[INFO] [stdout] 771b52b9883afb5ee6c3b4d00d985a14d84cec9fd2454f100c954568e6e4e5de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c84f4ced42cb5006ce0c1768ed7fe5f0d29e80a3bc2b6d4685557b27d78376
[INFO] running `Command { std: "docker" "start" "-a" "e7c84f4ced42cb5006ce0c1768ed7fe5f0d29e80a3bc2b6d4685557b27d78376", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling defmac v0.2.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling ndarray v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ndarray`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name oper --edition=2018 tests/oper.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=4149d2e3f7363648 -C extra-filename=-4149d2e3f7363648 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-f66b807bd066ed5a.rlib --extern defmac=/opt/rustwide/target/debug/deps/libdefmac-595c4c7923ad31b0.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-7db45d164ccd6d8f.rlib --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-50bcf96957512235.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-cae9813c7fbfe4da.rlib --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-b123764998e27017.rlib --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-2c48245d374e6ba7.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-0f1904f64edbc52f.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-53d700dc79d935ff.rlib --extern rawpointer=/opt/rustwide/target/debug/deps/librawpointer-fafb43ddc1d150e4.rlib --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" "e7c84f4ced42cb5006ce0c1768ed7fe5f0d29e80a3bc2b6d4685557b27d78376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c84f4ced42cb5006ce0c1768ed7fe5f0d29e80a3bc2b6d4685557b27d78376", kill_on_drop: false }`
[INFO] [stdout] e7c84f4ced42cb5006ce0c1768ed7fe5f0d29e80a3bc2b6d4685557b27d78376