[INFO] cloning repository https://github.com/SaltAndMetal/neural-net [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaltAndMetal/neural-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltAndMetal%2Fneural-net", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltAndMetal%2Fneural-net'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f500b0e07e531a670348a609be0aac898b2fe61 [INFO] testing SaltAndMetal/neural-net 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%2FSaltAndMetal%2Fneural-net" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/SaltAndMetal/neural-net [INFO] finished tweaking git repo https://github.com/SaltAndMetal/neural-net [INFO] tweaked toml for git repo https://github.com/SaltAndMetal/neural-net written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SaltAndMetal/neural-net 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/SaltAndMetal/neural-net 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b3dbb1041990cfac1782541f69826deea2a8edf6b72ac84f03f8c35f345f3629 [INFO] running `Command { std: "docker" "start" "-a" "b3dbb1041990cfac1782541f69826deea2a8edf6b72ac84f03f8c35f345f3629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3dbb1041990cfac1782541f69826deea2a8edf6b72ac84f03f8c35f345f3629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3dbb1041990cfac1782541f69826deea2a8edf6b72ac84f03f8c35f345f3629", kill_on_drop: false }` [INFO] [stdout] b3dbb1041990cfac1782541f69826deea2a8edf6b72ac84f03f8c35f345f3629 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 42906a3fda320f114b4b5c410e517ead421a643180978f6f77b4e2cd5322fe8f [INFO] running `Command { std: "docker" "start" "-a" "42906a3fda320f114b4b5c410e517ead421a643180978f6f77b4e2cd5322fe8f", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling crossbeam v0.8.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling neural_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `neuron` [INFO] [stdout] --> src/network.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | for neuron in 0..sizes[i] { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_neuron` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step_factor` [INFO] [stdout] --> src/network.rs:140:29 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn batch(&mut self, step_factor: f64, inputs: &Vec>, desiredOutputs: &Vec>) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev_cost` [INFO] [stdout] --> src/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut prev_cost = max_cost; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut prev_cost = max_cost; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Test` is never constructed [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | enum Mode { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 17 | Test, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `customNetwork` is never used [INFO] [stdout] --> src/network.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl Network { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn customNetwork(neurons: Vec, f64)>>) -> Network { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `desiredAnswer` should have a snake case name [INFO] [stdout] --> src/main.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let desiredAnswer = labels.remove(0); [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `desired_answer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `customNetwork` should have a snake case name [INFO] [stdout] --> src/network.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn customNetwork(neurons: Vec, f64)>>) -> Network { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `custom_network` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fromFile` should have a snake case name [INFO] [stdout] --> src/network.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn fromFile(filename: &str) -> Network { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `from_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `layerNum` should have a snake case name [INFO] [stdout] --> src/network.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let layerNum = u32::from_le_bytes(network.drain(0..4).collect::>()[..].try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `layer_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | file.write_all(&value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 102 | let _ = file.write_all(&value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `initialInputs` should have a snake case name [INFO] [stdout] --> src/network.rs:106:31 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn process(&mut self, initialInputs: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `initial_inputs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `runningTotal` should have a snake case name [INFO] [stdout] --> src/network.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | let mut runningTotal = 0.0; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `running_total` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `desiredOutputs` should have a snake case name [INFO] [stdout] --> src/network.rs:140:71 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn batch(&mut self, step_factor: f64, inputs: &Vec>, desiredOutputs: &Vec>) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `desired_outputs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `wrappedSelf` should have a snake case name [INFO] [stdout] --> src/network.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let wrappedSelf = Arc::new(Mutex::new(&mut *self)); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `wrapped_self` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `wrappedSelfCloned` should have a snake case name [INFO] [stdout] --> src/network.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | let wrappedSelfCloned = wrappedSelf.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `wrapped_self_cloned` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `newCost` should have a snake case name [INFO] [stdout] --> src/network.rs:150:25 [INFO] [stdout] | [INFO] [stdout] 150 | let newCost = Self::cost(&output, &desiredOutputs[i]); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `new_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `adjustmentLayer` should have a snake case name [INFO] [stdout] --> src/network.rs:187:21 [INFO] [stdout] | [INFO] [stdout] 187 | for (layer, adjustmentLayer) in self.neurons.iter_mut().zip(adjustment.iter()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `adjustment_layer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `adjustmentWeight` should have a snake case name [INFO] [stdout] --> src/network.rs:190:30 [INFO] [stdout] | [INFO] [stdout] 190 | for (weight, adjustmentWeight) in neuron.weights.iter_mut().zip(adjustment.weights.iter()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `adjustment_weight` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `nextImportances` should have a snake case name [INFO] [stdout] --> src/network.rs:201:17 [INFO] [stdout] | [INFO] [stdout] 201 | let mut nextImportances = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `next_importances` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `preSigmoidOutput` should have a snake case name [INFO] [stdout] --> src/network/neuron.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub preSigmoidOutput: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pre_sigmoid_output` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dSigmoid` should have a snake case name [INFO] [stdout] --> src/network/neuron.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn dSigmoid(x: &f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `d_sigmoid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `readInputs` should have a snake case name [INFO] [stdout] --> src/network/neuron.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn readInputs(&mut self, predecessors: &Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `read_inputs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `setInputs` should have a snake case name [INFO] [stdout] --> src/network/neuron.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn setInputs(&mut self, inputs: Vec) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `set_inputs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `getOutput` should have a snake case name [INFO] [stdout] --> src/network/neuron.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn getOutput(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `get_output` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `runningTotal` should have a snake case name [INFO] [stdout] --> src/network/neuron.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let mut runningTotal = self.bias; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `running_total` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustc3tSYNs/symbols.o" "<7 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libcrossbeam-693a81cfc5b86f09.rlib,libcrossbeam_channel-388c902abe334abe.rlib,libcrossbeam_deque-9ce7f59dba1553f6.rlib,libcrossbeam_queue-c320d0430ebcf330.rlib,libcrossbeam_epoch-66e88eefe08a215a.rlib,libmemoffset-59f11e032c31b987.rlib,libscopeguard-73056285f12cb829.rlib,libcrossbeam_utils-3a2e50d552e81206.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib,librand-05bb09222414fed4.rlib,librand_chacha-6d53ef308202a366.rlib,libppv_lite86-7955ccdf208dacd3.rlib,librand_core-cb074aaef8156e16.rlib,libgetrandom-bab644bdb51f4b8f.rlib,liblibc-d9238f65abd8d74b.rlib,libcfg_if-66d55f6b302e88c8.rlib}.rlib" "/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" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustc3tSYNs/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/neural_net-2904edd506e7e4ba" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "/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-bab644bdb51f4b8f.rlib(getrandom-bab644bdb51f4b8f.getrandom.51931140039368c1-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.3/src/util_libc.rs:110:(.text._ZN9getrandom9util_libc13open_readonly17he6eb3b2b57b887f3E+0xb6): 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_net` (bin "neural_net") due to 1 previous error; 32 warnings emitted [INFO] running `Command { std: "docker" "inspect" "42906a3fda320f114b4b5c410e517ead421a643180978f6f77b4e2cd5322fe8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42906a3fda320f114b4b5c410e517ead421a643180978f6f77b4e2cd5322fe8f", kill_on_drop: false }` [INFO] [stdout] 42906a3fda320f114b4b5c410e517ead421a643180978f6f77b4e2cd5322fe8f