[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Frustlearn" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ContainedBlargh/rustlearn on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-1/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ea89881436fdd6e5b561f6c14303dac60ba3a27b3c24b8c3818431a44afdb21
[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" "2ea89881436fdd6e5b561f6c14303dac60ba3a27b3c24b8c3818431a44afdb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea89881436fdd6e5b561f6c14303dac60ba3a27b3c24b8c3818431a44afdb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea89881436fdd6e5b561f6c14303dac60ba3a27b3c24b8c3818431a44afdb21", kill_on_drop: false }`
[INFO] [stdout] 2ea89881436fdd6e5b561f6c14303dac60ba3a27b3c24b8c3818431a44afdb21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4ad371dd8a269f512c1dba413e8f164beb415e14ce91c1a11a3fede08d8aa5d
[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" "d4ad371dd8a269f512c1dba413e8f164beb415e14ce91c1a11a3fede08d8aa5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling statistical v1.0.0
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e" "/opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.2b4a1332lj0fg010.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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstatistical-bcdce00c8b416f4d.rlib" "/opt/rustwide/target/debug/deps/librand-86f0650e0e8d7a96.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-716d63fd76a0fe98.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-8c3fe0cebc0277da.rlib" "/opt/rustwide/target/debug/deps/librand_hc-4231c088ff76b208.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-93019106e9a94e72.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-cb6ff27a0198ffaa.rlib" "/opt/rustwide/target/debug/deps/librand_core-576f07123c305a17.rlib" "/opt/rustwide/target/debug/deps/librand_os-29a3b2fe50f1d2b4.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-179f10980ade89d3.rlib" "/opt/rustwide/target/debug/deps/librand_core-fe89edf997f58b50.rlib" "/opt/rustwide/target/debug/deps/libcsv-b5d4b718889eba21.rlib" "/opt/rustwide/target/debug/deps/libryu-6789feef2c10d17e.rlib" "/opt/rustwide/target/debug/deps/libitoa-ad466912a71ab2a3.rlib" "/opt/rustwide/target/debug/deps/libcsv_core-e1de080dea5a178d.rlib" "/opt/rustwide/target/debug/deps/libbstr-ee2ac39477e63fbc.rlib" "/opt/rustwide/target/debug/deps/libregex_automata-517b1d5bf3f085b6.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-24273d51c18fc9c4.rlib" "/opt/rustwide/target/debug/deps/libmemchr-e6ae985d448a9463.rlib" "/opt/rustwide/target/debug/deps/libserde-8b5f46341141f669.rlib" "/opt/rustwide/target/debug/deps/librand_distr-d60e07b2a3d4b7fa.rlib" "/opt/rustwide/target/debug/deps/librand-2e43765fd2e8cbb4.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-93ec60afa1cabb21.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-c86e0ba3e108cdc5.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-449783e61805f843.rlib" "/opt/rustwide/target/debug/deps/librand_core-b74c8e84b4c46c26.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-9723c9e17649027d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libarrayfire-2e1c0055f624cbe1.rlib" "/opt/rustwide/target/debug/deps/libnum-9df5ea92a879234a.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-d413d4df824257ba.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-5381a1a40f1c8c59.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-f5905bcb26b6dc4c.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-19eb7eaf4ea1a835.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-56d1dbbda983ddb9.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-bed471606d5f44bf.rlib" "/opt/rustwide/target/debug/deps/liblibc-0f3e6c6e62d4b7c7.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rustlearn-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.15.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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.15.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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.15.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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.15.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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.15.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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.7.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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.9.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-7c6ee9c2d31a160e.rustlearn.ezp5kltz-cgu.9.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-2e1c0055f624cbe1.rlib(arrayfire-2e1c0055f624cbe1.arrayfire.88ib64jr-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-2e1c0055f624cbe1.rlib(arrayfire-2e1c0055f624cbe1.arrayfire.88ib64jr-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-2e1c0055f624cbe1.rlib(arrayfire-2e1c0055f624cbe1.arrayfire.88ib64jr-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-2e1c0055f624cbe1.rlib(arrayfire-2e1c0055f624cbe1.arrayfire.88ib64jr-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-2e1c0055f624cbe1.rlib(arrayfire-2e1c0055f624cbe1.arrayfire.88ib64jr-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" "d4ad371dd8a269f512c1dba413e8f164beb415e14ce91c1a11a3fede08d8aa5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ad371dd8a269f512c1dba413e8f164beb415e14ce91c1a11a3fede08d8aa5d", kill_on_drop: false }`
[INFO] [stdout] d4ad371dd8a269f512c1dba413e8f164beb415e14ce91c1a11a3fede08d8aa5d