[INFO] cloning repository https://github.com/realSuffix/NeuralNet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realSuffix/NeuralNet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealSuffix%2FNeuralNet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealSuffix%2FNeuralNet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d819b55e60952d85c4b6fa3f0ed90562d1ed876c
[INFO] testing realSuffix/NeuralNet against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealSuffix%2FNeuralNet" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realSuffix/NeuralNet on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/realSuffix/NeuralNet
[INFO] finished tweaking git repo https://github.com/realSuffix/NeuralNet
[INFO] tweaked toml for git repo https://github.com/realSuffix/NeuralNet written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/realSuffix/NeuralNet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd2e18ce7d5b9662f0ffab9a4f9567fc5d2091f66be87940d24127721d7f8e48
[INFO] running `Command { std: "docker" "start" "-a" "bd2e18ce7d5b9662f0ffab9a4f9567fc5d2091f66be87940d24127721d7f8e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd2e18ce7d5b9662f0ffab9a4f9567fc5d2091f66be87940d24127721d7f8e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2e18ce7d5b9662f0ffab9a4f9567fc5d2091f66be87940d24127721d7f8e48", kill_on_drop: false }`
[INFO] [stdout] bd2e18ce7d5b9662f0ffab9a4f9567fc5d2091f66be87940d24127721d7f8e48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3b38613b6471c9b80065f26692277d439ad3a24685f5765db91282dd41b751
[INFO] running `Command { std: "docker" "start" "-a" "6c3b38613b6471c9b80065f26692277d439ad3a24685f5765db91282dd41b751", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling arrayfire v3.8.0
[INFO] [stderr]    Compiling neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `print`, `sigmoid`
[INFO] [stdout]  --> src/gpu_neural_net.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arrayfire::{matmul, print, sigmoid, Array};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Matrix`
[INFO] [stdout]  --> src/gpu_neural_net.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward_propagation`
[INFO] [stdout]   --> src/gpu_neural_net.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn backward_propagation(&self, actual_result: &Array<f64>, expected_result: &Array<f64>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_indices_single`
[INFO] [stdout]   --> src/matrix.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn calculate_indices_single(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward_propagation`
[INFO] [stdout]   --> src/neural_net.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn backward_propagation(&self, actual_result: &Matrix, expected_result: &Matrix) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.1lkm4mrcdhhfvm9c.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/arrayfire/lib" "-L" "/opt/arrayfire/lib64" "-L" "/usr/local/lib" "-L" "/usr/lib" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librayon-754817dfc8f01912.rlib" "/opt/rustwide/target/debug/deps/librayon_core-49f63a8aa0cfde0f.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-5c6f1d774f500334.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-2b8c3b3c367b3b96.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-e5470a20ca218f7b.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-baacaea5c7ba41a8.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-ff2bb1f39834214d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-ddb58657d75f10ca.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-9a996e0d010312fa.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib" "/opt/rustwide/target/debug/deps/libeither-8ed8bc54e89b5c30.rlib" "/opt/rustwide/target/debug/deps/libarrayfire-89620a6486e29280.rlib" "/opt/rustwide/target/debug/deps/libhalf-3bcbc59b62beef99.rlib" "/opt/rustwide/target/debug/deps/liblibc-607adcf3cce6ac0a.rlib" "/opt/rustwide/target/debug/deps/libnum-f4a0f9966120524f.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-a54fc2df6addd9c7.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-d7203508dd1a48ad.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-70b5f734069a89a2.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-43178eb0b5110cfe.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-bb12aed79d790356.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-459c53b68db37723.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.0.rcgu.o: in function `<arrayfire::core::array::Array<T> as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/core/array.rs:710: undefined reference to `af_release_array'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.0.rcgu.o: in function `arrayfire::core::array::Array<T>::new':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/core/array.rs:228: undefined reference to `af_create_array'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.0.rcgu.o: in function `arrayfire::core::array::print':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/core/array.rs:748: undefined reference to `af_print_array_gen'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.3.rcgu.o: in function `arrayfire::core::arith::sigmoid':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/core/arith.rs:129: undefined reference to `af_sigmoid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/neural_net-6eba8631d6f767da.neural_net.003fc691-cgu.9.rcgu.o: in function `arrayfire::blas::matmul':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/blas/mod.rs:167: undefined reference to `af_matmul'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-89620a6486e29280.rlib(arrayfire-89620a6486e29280.arrayfire.115c289f-cgu.1.rcgu.o): in function `arrayfire::core::error::get_last_error':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/core/error.rs:104: undefined reference to `af_get_last_error'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-89620a6486e29280.rlib(arrayfire-89620a6486e29280.arrayfire.115c289f-cgu.12.rcgu.o): in function `arrayfire::core::device::set_device':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/core/device.rs:190: undefined reference to `af_set_device'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-89620a6486e29280.rlib(arrayfire-89620a6486e29280.arrayfire.115c289f-cgu.8.rcgu.o): in function `arrayfire::core::util::free_host':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.8.0/src/core/util.rs:68: undefined reference to `af_free_host'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural-net` due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6c3b38613b6471c9b80065f26692277d439ad3a24685f5765db91282dd41b751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3b38613b6471c9b80065f26692277d439ad3a24685f5765db91282dd41b751", kill_on_drop: false }`
[INFO] [stdout] 6c3b38613b6471c9b80065f26692277d439ad3a24685f5765db91282dd41b751