[INFO] cloning repository https://github.com/Omegapoint/nano-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/Omegapoint/nano-neural-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOmegapoint%2Fnano-neural-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOmegapoint%2Fnano-neural-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16a3a174d6cd9f46270712106b6b623dea8b395a
[INFO] checking Omegapoint/nano-neural-net against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOmegapoint%2Fnano-neural-net" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Omegapoint/nano-neural-net
[INFO] finished tweaking git repo https://github.com/Omegapoint/nano-neural-net
[INFO] tweaked toml for git repo https://github.com/Omegapoint/nano-neural-net written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Omegapoint/nano-neural-net on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Omegapoint/nano-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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Omegapoint/nano-neural-net against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOmegapoint%2Fnano-neural-net" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Omegapoint/nano-neural-net
[INFO] finished tweaking git repo https://github.com/Omegapoint/nano-neural-net
[INFO] tweaked toml for git repo https://github.com/Omegapoint/nano-neural-net written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Omegapoint/nano-neural-net on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Omegapoint/nano-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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbe45fe72a678bb15131cb8f635eeeb41c9a0e4fdbadfe9f54bdfec3c164afb3
[INFO] running `Command { std: "docker" "start" "-a" "bbe45fe72a678bb15131cb8f635eeeb41c9a0e4fdbadfe9f54bdfec3c164afb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbe45fe72a678bb15131cb8f635eeeb41c9a0e4fdbadfe9f54bdfec3c164afb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe45fe72a678bb15131cb8f635eeeb41c9a0e4fdbadfe9f54bdfec3c164afb3", kill_on_drop: false }`
[INFO] [stdout] bbe45fe72a678bb15131cb8f635eeeb41c9a0e4fdbadfe9f54bdfec3c164afb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1558fe8f3a5363b6e509ee328574ed391fa9b69ce31175d12ace7a0dbbc329d6
[INFO] running `Command { std: "docker" "start" "-a" "1558fe8f3a5363b6e509ee328574ed391fa9b69ce31175d12ace7a0dbbc329d6", kill_on_drop: false }`
[INFO] [stderr]     Checking nnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> src/graphviz.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::node::{Node, Operation};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/graphviz.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> src/graphviz.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::node::{Node, Operation};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/graphviz.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `predecessors` and `successors` are never read
[INFO] [stdout]   --> src/network.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Network {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     predecessors: Option<Vec<Vec<usize>>>, // Updated to Option
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     successors: Option<Vec<Vec<usize>>>,   // Updated to Option
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `multiply`, `subtract`, `topological_sort`, `dfs`, and `build_adjacency_storage` are never used
[INFO] [stdout]    --> src/network.rs:49:12
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Network {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49  |     pub fn multiply(&mut self, idx_a: usize, idx_b: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61  |     pub fn subtract(&mut self, idx_a: usize, idx_b: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn topological_sort(&self) -> Vec<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn dfs(&self, node_idx: usize, visited: &mut Vec<bool>, order: &mut Vec<usize>) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn build_adjacency_storage(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Subtract` and `Multiply` are never constructed
[INFO] [stdout]  --> src/node.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Operation {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 6 |     Add,
[INFO] [stdout] 7 |     Subtract,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 8 |     Multiply,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/node.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(value: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx_f`
[INFO] [stdout]    --> src/network.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let idx_f = network.multiply(idx_a, idx_e); // Node 5
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_idx_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "1558fe8f3a5363b6e509ee328574ed391fa9b69ce31175d12ace7a0dbbc329d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1558fe8f3a5363b6e509ee328574ed391fa9b69ce31175d12ace7a0dbbc329d6", kill_on_drop: false }`
[INFO] [stdout] 1558fe8f3a5363b6e509ee328574ed391fa9b69ce31175d12ace7a0dbbc329d6
