[INFO] cloning repository https://github.com/ContainedBlargh/rustlearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ContainedBlargh/rustlearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Frustlearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Frustlearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99aae4588743133e90ba197de40ac108ee561256
[INFO] testing ContainedBlargh/rustlearn against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Frustlearn" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ContainedBlargh/rustlearn on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ContainedBlargh/rustlearn
[INFO] finished tweaking git repo https://github.com/ContainedBlargh/rustlearn
[INFO] tweaked toml for git repo https://github.com/ContainedBlargh/rustlearn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ContainedBlargh/rustlearn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayfire v3.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18e7719efa8498708dfd81b61964fbdb9f7913e3583fba56fc3a262fbe4bfb61
[INFO] running `Command { std: "docker" "start" "-a" "18e7719efa8498708dfd81b61964fbdb9f7913e3583fba56fc3a262fbe4bfb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18e7719efa8498708dfd81b61964fbdb9f7913e3583fba56fc3a262fbe4bfb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e7719efa8498708dfd81b61964fbdb9f7913e3583fba56fc3a262fbe4bfb61", kill_on_drop: false }`
[INFO] [stdout] 18e7719efa8498708dfd81b61964fbdb9f7913e3583fba56fc3a262fbe4bfb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b4c600a387b2f5d4f37036582d1730a021cb09111cb9ed7ef113e44b1d4992
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9b4c600a387b2f5d4f37036582d1730a021cb09111cb9ed7ef113e44b1d4992", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling statistical v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling arrayfire v3.6.2
[INFO] [stderr]    Compiling rustlearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:69:35
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     .filter_map(|(i, r)| {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     for i in 0..epochs {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/fc.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |             (Some(x), Some(y)) => {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `softmax`
[INFO] [stdout]   --> src/utils.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn softmax(x: &Array<f32>) -> Array<f32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `softmax_deriv`
[INFO] [stdout]   --> src/utils.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn softmax_deriv(x: &Array<f32>) -> Array<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_random_fc`
[INFO] [stdout]    --> src/fc.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn init_random_fc(input_size: u64, output_size: u64) -> FCLayer {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_identity_fc`
[INFO] [stdout]    --> src/fc.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub fn init_identity_fc(input_size: u64, output_size: u64) -> FCLayer {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arrayfire_test`
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn arrayfire_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fc_test`
[INFO] [stdout]   --> src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn fc_test() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/main.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn mean_square_error(Y: &Array<f32>, y: &Array<f32>) -> f32 {
[INFO] [stdout]    |                          ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc" "/opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.1qulu7dpwen5szom.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-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/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstatistical-48155a67d949fd57.rlib" "/opt/rustwide/target/debug/deps/librand-028eac9bf3e59034.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-ff4debf85d7d0431.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-d3554ad8d1f072a9.rlib" "/opt/rustwide/target/debug/deps/librand_hc-67b08b8b6035b688.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-3f3162119f31c395.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-ae775067d7a59098.rlib" "/opt/rustwide/target/debug/deps/librand_core-eadf77cab825c6b0.rlib" "/opt/rustwide/target/debug/deps/librand_os-747ecbe83b213a79.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-c74589dc11794036.rlib" "/opt/rustwide/target/debug/deps/librand_core-8dd96053848a29ab.rlib" "/opt/rustwide/target/debug/deps/libcsv-ea6eef705dfed3f9.rlib" "/opt/rustwide/target/debug/deps/libryu-09efcdfca7c9a68a.rlib" "/opt/rustwide/target/debug/deps/libitoa-d09b03244d96d381.rlib" "/opt/rustwide/target/debug/deps/libcsv_core-1368e3d2fe0ba396.rlib" "/opt/rustwide/target/debug/deps/libbstr-4c48947b41626aa2.rlib" "/opt/rustwide/target/debug/deps/libregex_automata-8d608d2971fa7a5a.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-a31b747e97316033.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d27f5713040ebe15.rlib" "/opt/rustwide/target/debug/deps/libserde-134c6a8fbf2513b0.rlib" "/opt/rustwide/target/debug/deps/librand_distr-3db87fcc373cc8fb.rlib" "/opt/rustwide/target/debug/deps/librand-12e1a330dce9ad85.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-b6feac08437d100e.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-5a48e65bbdd376cb.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-64bfa76f9410d844.rlib" "/opt/rustwide/target/debug/deps/librand_core-b056e021f2407acc.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-408b6226df2b8d77.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/libarrayfire-001a748db7ccfee6.rlib" "/opt/rustwide/target/debug/deps/libnum-8254e08d48776ede.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-328ad24a548906fa.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-c276faeb494cd709.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-df66a9ca84479d66.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-8dbd18741ddfed11.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c2c1921a163da44f.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-686c947c8d8bfb00.rlib" "/opt/rustwide/target/debug/deps/liblibc-788ccbe2475f8bf2.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::add_helper':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:408: undefined reference to `af_add'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::div_helper':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:408: undefined reference to `af_div'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::mul_helper':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:408: undefined reference to `af_mul'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::pow_helper':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:408: undefined reference to `af_pow'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::sub_helper':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:408: undefined reference to `af_sub'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::abs':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:124: undefined reference to `af_abs'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::sqrt':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:124: undefined reference to `af_sqrt'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.1.rcgu.o: in function `arrayfire::arith::gt_helper':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/arith/mod.rs:508: undefined reference to `af_gt'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.10.rcgu.o: in function `arrayfire::blas::matmul':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/blas/mod.rs:47: undefined reference to `af_matmul'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.10.rcgu.o: in function `arrayfire::blas::transpose':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/blas/mod.rs:107: undefined reference to `af_transpose'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.14.rcgu.o: in function `<arrayfire::array::Array<T> as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/array.rs:544: undefined reference to `af_release_array'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.14.rcgu.o: in function `arrayfire::array::Array<T>::new':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/array.rs:180: undefined reference to `af_create_array'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.14.rcgu.o: in function `arrayfire::array::Array<T>::dims':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/array.rs:300: undefined reference to `af_get_dims'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.14.rcgu.o: in function `arrayfire::array::Array<T>::is_scalar':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/array.rs:153: undefined reference to `af_is_scalar'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.14.rcgu.o: in function `arrayfire::array::print_gen':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/array.rs:626: undefined reference to `af_print_array_gen'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.5.rcgu.o: in function `arrayfire::data::tile':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/data/mod.rs:490: undefined reference to `af_tile'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.5.rcgu.o: in function `arrayfire::data::select':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/data/mod.rs:701: undefined reference to `af_select'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.5.rcgu.o: in function `arrayfire::data::join_many':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/data/mod.rs:460: undefined reference to `af_join_many'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-d200e3073b2e89fc.rustlearn.6jopqs9f-cgu.6.rcgu.o: in function `arrayfire::statistics::mean_all':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/statistics/mod.rs:255: undefined reference to `af_mean_all'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-001a748db7ccfee6.rlib(arrayfire-001a748db7ccfee6.arrayfire.2r3lscsq-cgu.1.rcgu.o): in function `<f32 as arrayfire::data::ConstGenerator>::generate':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/data/mod.rs:217: undefined reference to `af_constant'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-001a748db7ccfee6.rlib(arrayfire-001a748db7ccfee6.arrayfire.2r3lscsq-cgu.2.rcgu.o): in function `arrayfire::util::free_host':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/util.rs:68: undefined reference to `af_free_host'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-001a748db7ccfee6.rlib(arrayfire-001a748db7ccfee6.arrayfire.2r3lscsq-cgu.8.rcgu.o): in function `<arrayfire::array::Array<T> as core::clone::Clone>::clone':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/array.rs:528: undefined reference to `af_retain_array'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-001a748db7ccfee6.rlib(arrayfire-001a748db7ccfee6.arrayfire.2r3lscsq-cgu.8.rcgu.o): in function `<arrayfire::array::Array<T> as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/array.rs:544: undefined reference to `af_release_array'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libarrayfire-001a748db7ccfee6.rlib(arrayfire-001a748db7ccfee6.arrayfire.2r3lscsq-cgu.8.rcgu.o): in function `arrayfire::error::get_last_error':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayfire-3.6.2/src/error.rs:104: undefined reference to `af_get_last_error'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustlearn`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a9b4c600a387b2f5d4f37036582d1730a021cb09111cb9ed7ef113e44b1d4992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b4c600a387b2f5d4f37036582d1730a021cb09111cb9ed7ef113e44b1d4992", kill_on_drop: false }`
[INFO] [stdout] a9b4c600a387b2f5d4f37036582d1730a021cb09111cb9ed7ef113e44b1d4992
