[INFO] updating cached repository onozeam/ML-from-scratch-with-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/onozeam/ML-from-scratch-with-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/onozeam/ML-from-scratch-with-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/onozeam/ML-from-scratch-with-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/onozeam/ML-from-scratch-with-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/onozeam/ML-from-scratch-with-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onozeam/ML-from-scratch-with-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onozeam/ML-from-scratch-with-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7581f5f16ab30a447c4141ceb9dca6f431d7976d
[INFO] sha for GitHub repo onozeam/ML-from-scratch-with-Rust: 7581f5f16ab30a447c4141ceb9dca6f431d7976d
[INFO] validating manifest of onozeam/ML-from-scratch-with-Rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of onozeam/ML-from-scratch-with-Rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing onozeam/ML-from-scratch-with-Rust
[INFO] finished frobbing onozeam/ML-from-scratch-with-Rust
[INFO] frobbed toml for onozeam/ML-from-scratch-with-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/onozeam/ML-from-scratch-with-Rust/Cargo.toml
[INFO] started frobbing onozeam/ML-from-scratch-with-Rust
[INFO] finished frobbing onozeam/ML-from-scratch-with-Rust
[INFO] frobbed toml for onozeam/ML-from-scratch-with-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onozeam/ML-from-scratch-with-Rust/Cargo.toml
[INFO] crate onozeam/ML-from-scratch-with-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing onozeam/ML-from-scratch-with-Rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onozeam/ML-from-scratch-with-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0f69ad5f1ff6d810defa9f7961444a40dc9604727243d105a7e88a3f143b5e2d
[INFO] running `"docker" "start" "-a" "0f69ad5f1ff6d810defa9f7961444a40dc9604727243d105a7e88a3f143b5e2d"`
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling lapacke-sys v0.1.4
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling libmath v0.1.4
[INFO] [stderr]    Compiling lapacke v0.2.0
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling procedurals v0.3.1
[INFO] [stderr]    Compiling ndarray-rand v0.9.0
[INFO] [stderr]    Compiling ndarray-linalg v0.10.0
[INFO] [stderr]    Compiling ml_from_scratch_with_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Array`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ndarray::{Array, Array1, Array2, arr1, arr2};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_rand::RandomExt`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ndarray_rand::RandomExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::distributions::Uniform`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::distributions::Uniform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.ml_from_scratch_with_rust.1ydxgwo5-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-f9b205612895cbe8.1odiowwa79ba134o.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libmath-8efc0a1c3de55305.rlib" "/opt/crater/target/debug/deps/librand-7773f6b6a204f6fb.rlib" "/opt/crater/target/debug/deps/librand-c6ce582ba00276ef.rlib" "/opt/crater/target/debug/deps/libndarray_rand-e5a8d814444affcf.rlib" "/opt/crater/target/debug/deps/libndarray-aba04633b377b9a9.rlib" "/opt/crater/target/debug/deps/libnum_complex-1d823baab31b48fa.rlib" "/opt/crater/target/debug/deps/libnum_traits-b79693a5d7e93180.rlib" "/opt/crater/target/debug/deps/libitertools-a78cda070d3a860b.rlib" "/opt/crater/target/debug/deps/libeither-90c0ce8e46d0418a.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-b856c59a72f2ed38.rlib" "/opt/crater/target/debug/deps/librawpointer-65262f271f4611c8.rlib" "/opt/crater/target/debug/deps/libblas_src-1f94d3abf4abfb0c.rlib" "/opt/crater/target/debug/deps/libopenblas_src-7396fda900356970.rlib" "/opt/crater/target/debug/deps/libcblas_sys-14367538db79a43f.rlib" "/opt/crater/target/debug/deps/librand-72bca08c18e2e46a.rlib" "/opt/crater/target/debug/deps/librand_xorshift-4b40683630528f3c.rlib" "/opt/crater/target/debug/deps/librand_pcg-f13281b07f95deab.rlib" "/opt/crater/target/debug/deps/librand_hc-3fc42ec1c8af02b1.rlib" "/opt/crater/target/debug/deps/librand_chacha-dc1a7e589a9ed115.rlib" "/opt/crater/target/debug/deps/librand_isaac-c8ad415819834091.rlib" "/opt/crater/target/debug/deps/librand_os-f591d1da7b6a5d42.rlib" "/opt/crater/target/debug/deps/liblibc-6ac10c0b2a63587f.rlib" "/opt/crater/target/debug/deps/librand_core-31821dc910b5bac2.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lgfortran" "-lopenblas" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lopenblas
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ml_from_scratch_with_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0f69ad5f1ff6d810defa9f7961444a40dc9604727243d105a7e88a3f143b5e2d"`
[INFO] running `"docker" "rm" "-f" "0f69ad5f1ff6d810defa9f7961444a40dc9604727243d105a7e88a3f143b5e2d"`
[INFO] [stdout] 0f69ad5f1ff6d810defa9f7961444a40dc9604727243d105a7e88a3f143b5e2d