[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-1.37-6/sources/1.36.0/gh/onozeam/ML-from-scratch-with-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/gh/onozeam/ML-from-scratch-with-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of onozeam/ML-from-scratch-with-Rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing onozeam/ML-from-scratch-with-Rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 25e1d2b1c2766e1a408265e917a7638fa7d0fd9059a346b538c11846099cc798
[INFO] running `"docker" "start" "-a" "25e1d2b1c2766e1a408265e917a7638fa7d0fd9059a346b538c11846099cc798"`
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling lapacke-sys v0.1.4
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling lapacke v0.2.0
[INFO] [stderr]    Compiling libmath v0.1.4
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling procedurals v0.3.1
[INFO] [stderr]    Compiling ndarray-linalg v0.10.0
[INFO] [stderr]    Compiling ndarray-rand v0.9.0
[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-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.ml_from_scratch_with_rust.31juz638-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2" "/opt/crater/target/debug/deps/ml_from_scratch_with_rust-98928ffeaca40fc2.412biuxlx42sqklp.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libmath-b2b9719cfae65f19.rlib" "/opt/crater/target/debug/deps/librand-3ecd147b05aabd4e.rlib" "/opt/crater/target/debug/deps/librand-1b917f6c95941861.rlib" "/opt/crater/target/debug/deps/libndarray_rand-ff6f1a0e45c49671.rlib" "/opt/crater/target/debug/deps/libndarray-d1aa3519777d6aed.rlib" "/opt/crater/target/debug/deps/libnum_complex-02e1a8d53ad0c3d9.rlib" "/opt/crater/target/debug/deps/libnum_traits-b0613bcbd790bfdc.rlib" "/opt/crater/target/debug/deps/libitertools-f13118b74f86cdb3.rlib" "/opt/crater/target/debug/deps/libeither-88c841192ea25aec.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-add3c2ef4a6aa2e3.rlib" "/opt/crater/target/debug/deps/librawpointer-0c16108fbcdeefb9.rlib" "/opt/crater/target/debug/deps/libblas_src-dfc43ed0330539df.rlib" "/opt/crater/target/debug/deps/libopenblas_src-c17260588f8ee77f.rlib" "/opt/crater/target/debug/deps/libcblas_sys-d4d024d49a85c756.rlib" "/opt/crater/target/debug/deps/librand-22b0dae7354e690d.rlib" "/opt/crater/target/debug/deps/librand_xorshift-617dbabe17ec4000.rlib" "/opt/crater/target/debug/deps/librand_pcg-a99eb8994209efbf.rlib" "/opt/crater/target/debug/deps/librand_hc-1a031fb5dbbfb4e7.rlib" "/opt/crater/target/debug/deps/librand_chacha-e54b03eb55656daf.rlib" "/opt/crater/target/debug/deps/librand_isaac-e44604c0a003e3f8.rlib" "/opt/crater/target/debug/deps/librand_os-811a5027de5f833c.rlib" "/opt/crater/target/debug/deps/liblibc-abede86d598dbe6d.rlib" "/opt/crater/target/debug/deps/librand_core-0169ea5a612ef054.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.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" "25e1d2b1c2766e1a408265e917a7638fa7d0fd9059a346b538c11846099cc798"`
[INFO] running `"docker" "rm" "-f" "25e1d2b1c2766e1a408265e917a7638fa7d0fd9059a346b538c11846099cc798"`
[INFO] [stdout] 25e1d2b1c2766e1a408265e917a7638fa7d0fd9059a346b538c11846099cc798