[INFO] cloning repository https://github.com/asleepace/rust-ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asleepace/rust-ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasleepace%2Frust-ml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasleepace%2Frust-ml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cc21eed19614ec0ece33fb4fd38d1b5d01cee91
[INFO] checking asleepace/rust-ml against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasleepace%2Frust-ml" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/asleepace/rust-ml
[INFO] finished tweaking git repo https://github.com/asleepace/rust-ml
[INFO] tweaked toml for git repo https://github.com/asleepace/rust-ml written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/asleepace/rust-ml on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/asleepace/rust-ml 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:fd22e2154e7db748230f413534f3a6d034160c9d2b7c14b90fba4e9bfc1a36d4" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61
[INFO] running `Command { std: "docker" "start" "2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking nn-train v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `feature_names` and `label_name` are never read
[INFO] [stdout]   --> src/data.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct Dataset {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 70 |     pub features: Matrix,            // (n_rows, n_features)
[INFO] [stdout] 71 |     pub feature_names: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 72 |     pub label_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `set`, `add_inplace`, and `scale` are never used
[INFO] [stdout]    --> src/matrix.rs:22:12
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl Matrix {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  22 |     pub fn get(&self, r: usize, c: usize) -> f32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  27 |     pub fn set(&mut self, r: usize, c: usize, v: f32) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn add_inplace(&mut self, rhs: &Matrix) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn scale(&mut self, s: f32) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `feature_names` and `label_name` are never read
[INFO] [stdout]   --> src/data.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct Dataset {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 70 |     pub features: Matrix,            // (n_rows, n_features)
[INFO] [stdout] 71 |     pub feature_names: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 72 |     pub label_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `set`, `add_inplace`, and `scale` are never used
[INFO] [stdout]    --> src/matrix.rs:22:12
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl Matrix {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  22 |     pub fn get(&self, r: usize, c: usize) -> f32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  27 |     pub fn set(&mut self, r: usize, c: usize, v: f32) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn add_inplace(&mut self, rhs: &Matrix) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn scale(&mut self, s: f32) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61", kill_on_drop: false }`
[INFO] [stdout] 2079a25820105cacef1921d7b07b08b71db2492e9d0ff5bdfe126e32064efe61
