[INFO] cloning repository https://github.com/DanielSchuette/nnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielSchuette/nnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSchuette%2Fnnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSchuette%2Fnnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0aabaf9a72550aeed2109e09b0cdbfb17e0604da
[INFO] checking DanielSchuette/nnet against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSchuette%2Fnnet" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DanielSchuette/nnet
[INFO] finished tweaking git repo https://github.com/DanielSchuette/nnet
[INFO] tweaked toml for git repo https://github.com/DanielSchuette/nnet written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DanielSchuette/nnet on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DanielSchuette/nnet 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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a
[INFO] running `Command { std: "docker" "start" "f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a", 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" "f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a", 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" "f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking nnet v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `in_nodes`, `out_nodes`, `hid_nodes`, and `lrate` are never read
[INFO] [stdout]   --> src/nnet/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NeuralNet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `in_nodes`, `out_nodes`, `hid_nodes`, and `lrate` are never read
[INFO] [stdout]   --> src/nnet/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NeuralNet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a", kill_on_drop: false }`
[INFO] [stdout] f998c373caa664795126cfe14597b1515d705b42820a8dca84ac8bf2150aea8a