[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#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealSuffix%2FNeuralNet" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/realSuffix/NeuralNet on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/realSuffix/NeuralNet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded arrayfire v3.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f5749d8f0ccea051c10ad15a840373fd5bbc2c3fbfbe50f73a3860914155ca7
[INFO] running `Command { std: "docker" "start" "-a" "0f5749d8f0ccea051c10ad15a840373fd5bbc2c3fbfbe50f73a3860914155ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f5749d8f0ccea051c10ad15a840373fd5bbc2c3fbfbe50f73a3860914155ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5749d8f0ccea051c10ad15a840373fd5bbc2c3fbfbe50f73a3860914155ca7", kill_on_drop: false }`
[INFO] [stdout] 0f5749d8f0ccea051c10ad15a840373fd5bbc2c3fbfbe50f73a3860914155ca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2807196befda2c0a7096c4e8b599bbb37b54be99269e6843142cc4e3de19f2ba
[INFO] running `Command { std: "docker" "start" "-a" "2807196befda2c0a7096c4e8b599bbb37b54be99269e6843142cc4e3de19f2ba", kill_on_drop: false }`
[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 unicode-xid v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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 quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling arrayfire v3.8.0
[INFO] [stderr]    Compiling neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `print` and `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)]` (part of `#[warn(unused)]`) 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: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/main.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let sigmoid = |input: &f64| (1.0 / (1.0 + E.powf(*input * -1.0)));
[INFO] [stdout]    |                                 ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     let sigmoid = |input: &f64| (1.0 / (1.0 + E.powf(*input * -1.0)));
[INFO] [stdout] 24 +     let sigmoid = |input: &f64| 1.0 / (1.0 + E.powf(*input * -1.0)) ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]   --> src/matrix.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let inner = IntoIter::new(inner).map(IntoIter::new).flatten().collect();
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]   --> src/matrix.rs:26:56
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let inner = IntoIter::new(inner).map(IntoIter::new).flatten().collect();
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `backward_propagation` is never used
[INFO] [stdout]   --> src/gpu_neural_net.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<F> GpuNeuralNet<F> {
[INFO] [stdout]    | ----------------------- method in this implementation
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `calculate_indices_single` is never used
[INFO] [stdout]   --> src/matrix.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Matrix {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn calculate_indices_single(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `backward_propagation` is never used
[INFO] [stdout]   --> src/neural_net.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<F: Sync> NeuralNet<F> {
[INFO] [stdout]    | -------------------------- method in this implementation
[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" "/tmp/rustc6K78B9/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librayon-079685317d86ab69,librayon_core-567444501585a5ac,libnum_cpus-d92221e7099c7d24,libcrossbeam_deque-2b7b8afe8d06f1f5,libcrossbeam_epoch-b16a5a3c76d43a61,libmemoffset-24f2f8e545f78493,libscopeguard-43643e546252cd47,libcrossbeam_channel-13d68fd5287755bf,libcrossbeam_utils-96a6a0673364b8ac,libcfg_if-33ef6c02a07f9fec,libeither-9e7e392a8497717b,libarrayfire-7588a0e715316f7e,libhalf-c047b8aeeadcff41,liblibc-0bc93a18944c32ad,libnum-ded3bb23f0a697e8,libnum_rational-e209975091713512,libnum_iter-2fb988d17f1397ab,libnum_complex-4e9be7d4135b1002,libnum_bigint-111a1a1fa3e818f5,libnum_integer-928bbea6d497031a,libnum_traits-4491dc47d9e38373,liblazy_static-2bb390fee0230a38}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc6K78B9/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/arrayfire/lib" "-L" "/opt/arrayfire/lib64" "-L" "/usr/local/lib" "-L" "/usr/lib" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/neural_net-d01f9f746c6b8abf" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: af_release_array
[INFO] [stdout]           >>> referenced by array.rs:710 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:710)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/neural_net-d01f9f746c6b8abf.neural_net.7264f52f0c8594b0-cgu.0.rcgu.o:(_$LT$arrayfire..core..array..Array$LT$T$GT$$u20$as$u20$core..ops..drop..Drop$GT$::drop::hea2a94a37ca02809)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_matmul
[INFO] [stdout]           >>> referenced by mod.rs:167 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/blas/mod.rs:167)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/neural_net-d01f9f746c6b8abf.neural_net.7264f52f0c8594b0-cgu.0.rcgu.o:(arrayfire::blas::matmul::h07a54bf05f923e2c)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_sigmoid
[INFO] [stdout]           >>> referenced by arith.rs:129 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:129)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/neural_net-d01f9f746c6b8abf.neural_net.7264f52f0c8594b0-cgu.0.rcgu.o:(arrayfire::core::arith::sigmoid::h9ae54ebb43f3f4d0)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_create_array
[INFO] [stdout]           >>> referenced by array.rs:228 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:228)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/neural_net-d01f9f746c6b8abf.neural_net.7264f52f0c8594b0-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::new::h59417e45ed495b91)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_print_array_gen
[INFO] [stdout]           >>> referenced by array.rs:748 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:748)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/neural_net-d01f9f746c6b8abf.neural_net.7264f52f0c8594b0-cgu.0.rcgu.o:(arrayfire::core::array::print::h91621e3895f04a49)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_free_host
[INFO] [stdout]           >>> referenced by util.rs:68 (src/core/util.rs:68)
[INFO] [stdout]           >>>               arrayfire-7588a0e715316f7e.arrayfire.2bf4a449896553a1-cgu.0.rcgu.o:(arrayfire::core::util::free_host::h1ed4b85fc2029feb) in archive /opt/rustwide/target/debug/deps/libarrayfire-7588a0e715316f7e.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_last_error
[INFO] [stdout]           >>> referenced by error.rs:104 (src/core/error.rs:104)
[INFO] [stdout]           >>>               arrayfire-7588a0e715316f7e.arrayfire.2bf4a449896553a1-cgu.0.rcgu.o:(arrayfire::core::error::get_last_error::he4953ef4d26ecbdf) in archive /opt/rustwide/target/debug/deps/libarrayfire-7588a0e715316f7e.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_set_device
[INFO] [stdout]           >>> referenced by device.rs:190 (src/core/device.rs:190)
[INFO] [stdout]           >>>               arrayfire-7588a0e715316f7e.arrayfire.2bf4a449896553a1-cgu.0.rcgu.o:(arrayfire::core::device::set_device::h02ff195f3383fcab) in archive /opt/rustwide/target/debug/deps/libarrayfire-7588a0e715316f7e.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural-net` (bin "neural-net") due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2807196befda2c0a7096c4e8b599bbb37b54be99269e6843142cc4e3de19f2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2807196befda2c0a7096c4e8b599bbb37b54be99269e6843142cc4e3de19f2ba", kill_on_drop: false }`
[INFO] [stdout] 2807196befda2c0a7096c4e8b599bbb37b54be99269e6843142cc4e3de19f2ba
