[INFO] cloning repository https://github.com/LafeWessel/Rust-Neural-Network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LafeWessel/Rust-Neural-Network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLafeWessel%2FRust-Neural-Network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLafeWessel%2FRust-Neural-Network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8618a9cbf09b781c25f85fa64a934d38bce3b375
[INFO] testing LafeWessel/Rust-Neural-Network against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLafeWessel%2FRust-Neural-Network" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LafeWessel/Rust-Neural-Network
[INFO] finished tweaking git repo https://github.com/LafeWessel/Rust-Neural-Network
[INFO] tweaked toml for git repo https://github.com/LafeWessel/Rust-Neural-Network written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LafeWessel/Rust-Neural-Network on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LafeWessel/Rust-Neural-Network 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d2e4e7a911b04d7b91619e2d80d44fa35ed4fcdbef3ebe09d96a0e09d6f2555
[INFO] running `Command { std: "docker" "start" "-a" "6d2e4e7a911b04d7b91619e2d80d44fa35ed4fcdbef3ebe09d96a0e09d6f2555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d2e4e7a911b04d7b91619e2d80d44fa35ed4fcdbef3ebe09d96a0e09d6f2555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2e4e7a911b04d7b91619e2d80d44fa35ed4fcdbef3ebe09d96a0e09d6f2555", kill_on_drop: false }`
[INFO] [stdout] 6d2e4e7a911b04d7b91619e2d80d44fa35ed4fcdbef3ebe09d96a0e09d6f2555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 18877af64cb72303347ba331a505132a95c8ef5377f2ac5f547e002a85f6350a
[INFO] running `Command { std: "docker" "start" "-a" "18877af64cb72303347ba331a505132a95c8ef5377f2ac5f547e002a85f6350a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Activate` is never used
[INFO] [stdout]  --> src/activations.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub trait Activate{
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Relu` is never constructed
[INFO] [stdout]  --> src/activations.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct Relu {}
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/activations.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub struct Sigmoid{}
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tanh` is never constructed
[INFO] [stdout]   --> src/activations.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub struct Tanh{}
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MSE` is never constructed
[INFO] [stdout]   --> src/loss.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct MSE{}
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MAE` is never constructed
[INFO] [stdout]   --> src/loss.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub struct MAE{}
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivationLayer` is never constructed
[INFO] [stdout]   --> src/layers.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub struct ActivationLayer<T> where T: Activate + Sized {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/layers.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |     impl<T> ActivationLayer<T> where T: Activate + Sized{
[INFO] [stdout]    |     ---------------------------------------------------- associated function in this implementation
[INFO] [stdout] 38 |         /// Create a new Activation Layer
[INFO] [stdout] 39 |         pub fn new(func: T) -> Self
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FCLayer` is never constructed
[INFO] [stdout]   --> src/layers.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub struct FCLayer{
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/layers.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 110 |     impl FCLayer{
[INFO] [stdout]     |     ------------ associated function in this implementation
[INFO] [stdout] 111 |         /// Create a new FCLayer, neurons is the same as output size, optionally initialize bias for all neurons
[INFO] [stdout] 112 |         pub fn new(input_size: usize, neurons: usize) -> Self{
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "18877af64cb72303347ba331a505132a95c8ef5377f2ac5f547e002a85f6350a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18877af64cb72303347ba331a505132a95c8ef5377f2ac5f547e002a85f6350a", kill_on_drop: false }`
[INFO] [stdout] 18877af64cb72303347ba331a505132a95c8ef5377f2ac5f547e002a85f6350a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f891bd335b8765b2219b9b3f9a2caeb1b87e2e417d3c01368882ce50e69b93f7
[INFO] running `Command { std: "docker" "start" "-a" "f891bd335b8765b2219b9b3f9a2caeb1b87e2e417d3c01368882ce50e69b93f7", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Activate` is never used
[INFO] [stdout]  --> src/activations.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub trait Activate{
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Relu` is never constructed
[INFO] [stdout]  --> src/activations.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct Relu {}
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/activations.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub struct Sigmoid{}
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tanh` is never constructed
[INFO] [stdout]   --> src/activations.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub struct Tanh{}
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MSE` is never constructed
[INFO] [stdout]   --> src/loss.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct MSE{}
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MAE` is never constructed
[INFO] [stdout]   --> src/loss.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub struct MAE{}
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivationLayer` is never constructed
[INFO] [stdout]   --> src/layers.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub struct ActivationLayer<T> where T: Activate + Sized {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/layers.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |     impl<T> ActivationLayer<T> where T: Activate + Sized{
[INFO] [stdout]    |     ---------------------------------------------------- associated function in this implementation
[INFO] [stdout] 38 |         /// Create a new Activation Layer
[INFO] [stdout] 39 |         pub fn new(func: T) -> Self
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FCLayer` is never constructed
[INFO] [stdout]   --> src/layers.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub struct FCLayer{
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/layers.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 110 |     impl FCLayer{
[INFO] [stdout]     |     ------------ associated function in this implementation
[INFO] [stdout] 111 |         /// Create a new FCLayer, neurons is the same as output size, optionally initialize bias for all neurons
[INFO] [stdout] 112 |         pub fn new(input_size: usize, neurons: usize) -> Self{
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Tanh` is never constructed
[INFO] [stdout]   --> src/activations.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub struct Tanh{}
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustcmUGWh2/symbols.o" "<5 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{librand-75053d32a616d3f1.rlib,librand_chacha-8ac629fe3bdba0f5.rlib,libppv_lite86-a9f3c9ee76597f1e.rlib,librand_core-379333a58c299370.rlib,libgetrandom-5b04631459699b6d.rlib,liblibc-25aaa37364d43f8c.rlib,libcfg_if-66d55f6b302e88c8.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*}.rlib" "-lunwind" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcmUGWh2/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/neural_network-bbbccb7d13f0354a" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtn.o"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/libgetrandom-5b04631459699b6d.rlib(getrandom-5b04631459699b6d.getrandom.7389b835ea522ebd-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.6/src/util_libc.rs:117:(.text._ZN9getrandom9util_libc13open_readonly17h2d9f6f37a63e3a5eE+0xbc): undefined reference to `open64'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural_network` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f891bd335b8765b2219b9b3f9a2caeb1b87e2e417d3c01368882ce50e69b93f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f891bd335b8765b2219b9b3f9a2caeb1b87e2e417d3c01368882ce50e69b93f7", kill_on_drop: false }`
[INFO] [stdout] f891bd335b8765b2219b9b3f9a2caeb1b87e2e417d3c01368882ce50e69b93f7