[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 1.47.0 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-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ContainedBlargh/rustlearn on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-6/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f52aa8d337ae5562f8b01b41bb2e6d7a85e76f261ee6c22f0f431183f2c1740
[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" "6f52aa8d337ae5562f8b01b41bb2e6d7a85e76f261ee6c22f0f431183f2c1740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f52aa8d337ae5562f8b01b41bb2e6d7a85e76f261ee6c22f0f431183f2c1740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f52aa8d337ae5562f8b01b41bb2e6d7a85e76f261ee6c22f0f431183f2c1740", kill_on_drop: false }`
[INFO] [stdout] 6f52aa8d337ae5562f8b01b41bb2e6d7a85e76f261ee6c22f0f431183f2c1740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c38459bbc1c09f17de682a4da861ad62f2aab6dfcf15231e79035bbdc526908
[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" "8c38459bbc1c09f17de682a4da861ad62f2aab6dfcf15231e79035bbdc526908", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.11
[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-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c" "/opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.4y2y0tnos36llilx.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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstatistical-ccd161e8aa840985.rlib" "/opt/rustwide/target/debug/deps/librand-8a3a3f6d2cbccdbd.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-05959220f3d9c613.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-92465686febfad6f.rlib" "/opt/rustwide/target/debug/deps/librand_hc-8df5fbc9d4c9d228.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-2e2626892e28fa67.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-ee26030b5d7c183d.rlib" "/opt/rustwide/target/debug/deps/librand_core-380e64ae2d5bf3a5.rlib" "/opt/rustwide/target/debug/deps/librand_os-f2f3fa5aa2dc93cc.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-fca9e9490ad3a3aa.rlib" "/opt/rustwide/target/debug/deps/librand_core-101776b4db6a4062.rlib" "/opt/rustwide/target/debug/deps/libcsv-fc7b5ea75b8b7cc5.rlib" "/opt/rustwide/target/debug/deps/libryu-525d97da8f549b56.rlib" "/opt/rustwide/target/debug/deps/libitoa-d5a63dfb88a1c172.rlib" "/opt/rustwide/target/debug/deps/libcsv_core-b1b0b572e179971d.rlib" "/opt/rustwide/target/debug/deps/libbstr-502cb2dea5441231.rlib" "/opt/rustwide/target/debug/deps/libregex_automata-4abfaf9f462b270c.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-86a88e70403c73cb.rlib" "/opt/rustwide/target/debug/deps/libmemchr-9697c731425ce05e.rlib" "/opt/rustwide/target/debug/deps/libserde-0626996c54baa692.rlib" "/opt/rustwide/target/debug/deps/librand_distr-32ef8ac503761491.rlib" "/opt/rustwide/target/debug/deps/librand-0d826e0db237436a.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-08332059d4178245.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-42a4dfd19c4e8147.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-8a9cc0009d5c50f4.rlib" "/opt/rustwide/target/debug/deps/librand_core-1ab339b2d8c2f138.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-e9bbad1c1ded9b2e.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d2033c938d1688fd.rlib" "/opt/rustwide/target/debug/deps/libarrayfire-66f79e40711aa88b.rlib" "/opt/rustwide/target/debug/deps/libnum-59993ebc9d106448.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-e137021a84f79a61.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-3bab1873d1afa13c.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-11a46b3e31100514.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-021d923ea0b670ff.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-f5569e2d6abde949.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-ea7c93eec51cc1f2.rlib" "/opt/rustwide/target/debug/deps/liblibc-07f2f9ea6565538a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-bf21cfb31a9e28ca.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-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-f3363d4f3d8a295c.rustlearn.4qp67kqp-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-f3363d4f3d8a295c.rustlearn.4qp67kqp-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-f3363d4f3d8a295c.rustlearn.4qp67kqp-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-f3363d4f3d8a295c.rustlearn.4qp67kqp-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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.2.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-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/rustlearn-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.6.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.6.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.6.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.7.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-f3363d4f3d8a295c.rustlearn.4qp67kqp-cgu.7.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/libarrayfire-66f79e40711aa88b.rlib(arrayfire-66f79e40711aa88b.arrayfire.982j85o8-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-66f79e40711aa88b.rlib(arrayfire-66f79e40711aa88b.arrayfire.982j85o8-cgu.6.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-66f79e40711aa88b.rlib(arrayfire-66f79e40711aa88b.arrayfire.982j85o8-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-66f79e40711aa88b.rlib(arrayfire-66f79e40711aa88b.arrayfire.982j85o8-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-66f79e40711aa88b.rlib(arrayfire-66f79e40711aa88b.arrayfire.982j85o8-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" "8c38459bbc1c09f17de682a4da861ad62f2aab6dfcf15231e79035bbdc526908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c38459bbc1c09f17de682a4da861ad62f2aab6dfcf15231e79035bbdc526908", kill_on_drop: false }`
[INFO] [stdout] 8c38459bbc1c09f17de682a4da861ad62f2aab6dfcf15231e79035bbdc526908
