[INFO] cloning repository https://github.com/Janko-dev/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/Janko-dev/neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanko-dev%2Fneural_network", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanko-dev%2Fneural_network'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e71d7fbf0640819119b0c70d0f170b9bd2ce4c78 [INFO] checking Janko-dev/neural_network/e71d7fbf0640819119b0c70d0f170b9bd2ce4c78 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanko-dev%2Fneural_network" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Janko-dev/neural_network on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Janko-dev/neural_network [INFO] finished tweaking git repo https://github.com/Janko-dev/neural_network [INFO] tweaked toml for git repo https://github.com/Janko-dev/neural_network written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Janko-dev/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded svg v0.7.2 [INFO] [stderr] Downloaded serde_derive v1.0.186 [INFO] [stderr] Downloaded serde v1.0.186 [INFO] [stderr] Downloaded plotlib v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb465ca60cab71b12cac05961979549590c228da53578a107e9d57e313449b9f [INFO] running `Command { std: "docker" "start" "-a" "fb465ca60cab71b12cac05961979549590c228da53578a107e9d57e313449b9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb465ca60cab71b12cac05961979549590c228da53578a107e9d57e313449b9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb465ca60cab71b12cac05961979549590c228da53578a107e9d57e313449b9f", kill_on_drop: false }` [INFO] [stdout] fb465ca60cab71b12cac05961979549590c228da53578a107e9d57e313449b9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5eb55ee6c2b03a9e29be4a6c2a23e3d83b16894e974fc865b2a082907356ed6 [INFO] running `Command { std: "docker" "start" "-a" "f5eb55ee6c2b03a9e29be4a6c2a23e3d83b16894e974fc865b2a082907356ed6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.28.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling serde v1.0.186 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking svg v0.7.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking object v0.32.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking csv v1.2.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking plotlib v0.5.1 [INFO] [stderr] Checking neural_network v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `IndexMut` and `Index` [INFO] [stdout] --> src/dataframe.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{error::Error, ops::{IndexMut, Index}}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IndexMut` and `Index` [INFO] [stdout] --> src/dataframe.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{error::Error, ops::{IndexMut, Index}}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mat` [INFO] [stdout] --> src/autodiff.rs:235:37 [INFO] [stdout] | [INFO] [stdout] 235 | Operator::Unary(mat, UnaryOpType::Sum) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mat` [INFO] [stdout] --> src/autodiff.rs:235:37 [INFO] [stdout] | [INFO] [stdout] 235 | Operator::Unary(mat, UnaryOpType::Sum) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoding` [INFO] [stdout] --> src/dataframe.rs:61:30 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn encode(&mut self, encoding: EncodingScheme) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoding` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoding` [INFO] [stdout] --> src/dataframe.rs:61:30 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn encode(&mut self, encoding: EncodingScheme) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoding` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `headers`, `data`, and `shape` are never read [INFO] [stdout] --> src/dataframe.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct DataFrame { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 12 | headers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | shape: (usize, usize) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DataFrame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Matrix` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use neural_network::{NN, Matrix}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 11 | return Ok(()); [INFO] [stdout] | ------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 40 | / let x_train = vec![ [INFO] [stdout] 41 | | vec![0., 0.], [INFO] [stdout] 42 | | vec![0., 1.], [INFO] [stdout] 43 | | vec![1., 0.], [INFO] [stdout] 44 | | vec![1., 1.], [INFO] [stdout] 45 | | ]; [INFO] [stdout] | |______^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Matrix` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use neural_network::{NN, Matrix}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 11 | return Ok(()); [INFO] [stdout] | ------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 40 | / let x_train = vec![ [INFO] [stdout] 41 | | vec![0., 0.], [INFO] [stdout] 42 | | vec![0., 1.], [INFO] [stdout] 43 | | vec![1., 0.], [INFO] [stdout] 44 | | vec![1., 1.], [INFO] [stdout] 45 | | ]; [INFO] [stdout] | |______^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.75s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "f5eb55ee6c2b03a9e29be4a6c2a23e3d83b16894e974fc865b2a082907356ed6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5eb55ee6c2b03a9e29be4a6c2a23e3d83b16894e974fc865b2a082907356ed6", kill_on_drop: false }` [INFO] [stdout] f5eb55ee6c2b03a9e29be4a6c2a23e3d83b16894e974fc865b2a082907356ed6