[INFO] cloning repository https://github.com/iamr2003/macrograd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamr2003/macrograd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamr2003%2Fmacrograd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamr2003%2Fmacrograd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad9f60ccd85b8a109821f191919925396a952d94
[INFO] checking iamr2003/macrograd against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamr2003%2Fmacrograd" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamr2003/macrograd on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamr2003/macrograd
[INFO] finished tweaking git repo https://github.com/iamr2003/macrograd
[INFO] tweaked toml for git repo https://github.com/iamr2003/macrograd written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iamr2003/macrograd 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba277644457982fb4e40b5dcdbd7790a17e1f8e0d4bf798522596bed6524472b
[INFO] running `Command { std: "docker" "start" "-a" "ba277644457982fb4e40b5dcdbd7790a17e1f8e0d4bf798522596bed6524472b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba277644457982fb4e40b5dcdbd7790a17e1f8e0d4bf798522596bed6524472b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba277644457982fb4e40b5dcdbd7790a17e1f8e0d4bf798522596bed6524472b", kill_on_drop: false }`
[INFO] [stdout] ba277644457982fb4e40b5dcdbd7790a17e1f8e0d4bf798522596bed6524472b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 986c1edae3dff5ea7efc36be4c148bd0b65a3f47d4ab54eee0b13ad9bf15b47d
[INFO] running `Command { std: "docker" "start" "-a" "986c1edae3dff5ea7efc36be4c148bd0b65a3f47d4ab54eee0b13ad9bf15b47d", kill_on_drop: false }`
[INFO] [stderr]     Checking macrograd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `grad`
[INFO] [stdout]  --> src/grad.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! grad {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `grad_implem`
[INFO] [stdout]   --> src/grad.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | macro_rules! grad_implem {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relu`
[INFO] [stdout]   --> src/lib.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let relu = |x: f64| grad!((x).max(0.0));
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_relu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grad`
[INFO] [stdout]  --> src/nn.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::grad;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grad`
[INFO] [stdout]  --> src/nn.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::grad;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `power`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let power = |x: f64| grad!(x.powi(4));
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_power`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]  --> src/nn.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Layer<const INPUT_NODES: usize, const OUTPUT_NODES: usize> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/nn.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<const INPUT_NODES: usize, const OUTPUT_NODES: usize> Layer<INPUT_NODES, OUTPUT_NODES> {
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ method in this implementation
[INFO] [stdout] 14 |     fn forward(self, input: [f64; INPUT_NODES]) -> [f64; OUTPUT_NODES] {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `power`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let power = |x: f64| grad!(x.powi(4));
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_power`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]  --> src/nn.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Layer<const INPUT_NODES: usize, const OUTPUT_NODES: usize> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forward` is never used
[INFO] [stdout]   --> src/nn.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<const INPUT_NODES: usize, const OUTPUT_NODES: usize> Layer<INPUT_NODES, OUTPUT_NODES> {
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ method in this implementation
[INFO] [stdout] 14 |     fn forward(self, input: [f64; INPUT_NODES]) -> [f64; OUTPUT_NODES] {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "986c1edae3dff5ea7efc36be4c148bd0b65a3f47d4ab54eee0b13ad9bf15b47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986c1edae3dff5ea7efc36be4c148bd0b65a3f47d4ab54eee0b13ad9bf15b47d", kill_on_drop: false }`
[INFO] [stdout] 986c1edae3dff5ea7efc36be4c148bd0b65a3f47d4ab54eee0b13ad9bf15b47d