[INFO] cloning repository https://github.com/thecoldstone/nn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thecoldstone/nn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecoldstone%2Fnn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecoldstone%2Fnn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb4783a7b0958f2e7272bc8c0fb1c74b18ebd501
[INFO] checking thecoldstone/nn-rust against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecoldstone%2Fnn-rust" "/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/thecoldstone/nn-rust
[INFO] finished tweaking git repo https://github.com/thecoldstone/nn-rust
[INFO] tweaked toml for git repo https://github.com/thecoldstone/nn-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thecoldstone/nn-rust on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thecoldstone/nn-rust 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking thecoldstone/nn-rust against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecoldstone%2Fnn-rust" "/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/thecoldstone/nn-rust
[INFO] finished tweaking git repo https://github.com/thecoldstone/nn-rust
[INFO] tweaked toml for git repo https://github.com/thecoldstone/nn-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thecoldstone/nn-rust on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thecoldstone/nn-rust 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b62966f00b4db834c34e13fc1289dfb05a4e241dd3672892204808d956347dda
[INFO] running `Command { std: "docker" "start" "-a" "b62966f00b4db834c34e13fc1289dfb05a4e241dd3672892204808d956347dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b62966f00b4db834c34e13fc1289dfb05a4e241dd3672892204808d956347dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62966f00b4db834c34e13fc1289dfb05a4e241dd3672892204808d956347dda", kill_on_drop: false }`
[INFO] [stdout] b62966f00b4db834c34e13fc1289dfb05a4e241dd3672892204808d956347dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21d766093cd7d56d6a15c598b9ffcdf8721a0e1db5d18291acec40ef3d585e1
[INFO] running `Command { std: "docker" "start" "-a" "d21d766093cd7d56d6a15c598b9ffcdf8721a0e1db5d18291acec40ef3d585e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.0.101
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v5.0.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking libloading v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cstr v0.2.12
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling font-kit v0.13.2
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking bytemuck v1.16.1
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking plotters-bitmap v0.3.6
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/spiral.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn sin(mut matrix: Array<f64, Ix1>) -> Array<f64, Ix1> {
[INFO] [stdout]   |            ----^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/spiral.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn cos(mut matrix: Array<f64, Ix1>) -> Array<f64, Ix1> {
[INFO] [stdout]    |            ----^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/spiral.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn sin(mut matrix: Array<f64, Ix1>) -> Array<f64, Ix1> {
[INFO] [stdout]   |            ----^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/spiral.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn cos(mut matrix: Array<f64, Ix1>) -> Array<f64, Ix1> {
[INFO] [stdout]    |            ----^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn draw(x: Array2<f64>, y: Array1<u8>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn draw(x: Array2<f64>, y: Array1<u8>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let (x, y) = spiral::create_data(100, 3);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw` is never used
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn draw(x: Array2<f64>, y: Array1<u8>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inputs` and `neurons` are never read
[INFO] [stdout]  --> src/dense_layer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Neuron {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 6 |     pub inputs: usize,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 7 |     pub neurons: usize,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Neuron` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `neuron` is never read
[INFO] [stdout]   --> src/dense_layer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LayerDense {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub neuron: Neuron,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LayerDense` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let (x, y) = spiral::create_data(100, 3);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw` is never used
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn draw(x: Array2<f64>, y: Array1<u8>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inputs` and `neurons` are never read
[INFO] [stdout]  --> src/dense_layer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Neuron {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 6 |     pub inputs: usize,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 7 |     pub neurons: usize,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Neuron` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `neuron` is never read
[INFO] [stdout]   --> src/dense_layer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LayerDense {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub neuron: Neuron,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LayerDense` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "d21d766093cd7d56d6a15c598b9ffcdf8721a0e1db5d18291acec40ef3d585e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21d766093cd7d56d6a15c598b9ffcdf8721a0e1db5d18291acec40ef3d585e1", kill_on_drop: false }`
[INFO] [stdout] d21d766093cd7d56d6a15c598b9ffcdf8721a0e1db5d18291acec40ef3d585e1
