[INFO] cloning repository https://github.com/Incorrectish/rusty-network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Incorrectish/rusty-network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIncorrectish%2Frusty-network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIncorrectish%2Frusty-network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a50c4c2d948d2b46ed92906e34afa4acdae1ccd5
[INFO] checking Incorrectish/rusty-network/a50c4c2d948d2b46ed92906e34afa4acdae1ccd5 against master#c871d09d1cc32a649f4c5177bb819646260ed120 for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIncorrectish%2Frusty-network" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Incorrectish/rusty-network
[INFO] finished tweaking git repo https://github.com/Incorrectish/rusty-network
[INFO] tweaked toml for git repo https://github.com/Incorrectish/rusty-network written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Incorrectish/rusty-network on toolchain c871d09d1cc32a649f4c5177bb819646260ed120
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c871d09d1cc32a649f4c5177bb819646260ed120" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Incorrectish/rusty-network 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" "+c871d09d1cc32a649f4c5177bb819646260ed120" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 06125a47b3fffd98a9fbaba155d2a1f665c14d329b09786ed532505b41ac4d3d
[INFO] running `Command { std: "docker" "start" "-a" "06125a47b3fffd98a9fbaba155d2a1f665c14d329b09786ed532505b41ac4d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06125a47b3fffd98a9fbaba155d2a1f665c14d329b09786ed532505b41ac4d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06125a47b3fffd98a9fbaba155d2a1f665c14d329b09786ed532505b41ac4d3d", kill_on_drop: false }`
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[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c871d09d1cc32a649f4c5177bb819646260ed120" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c745a4388fbc46364f1c2ae11f6762bd62617f142e1a6beaa05666ff690bb7ed
[INFO] running `Command { std: "docker" "start" "-a" "c745a4388fbc46364f1c2ae11f6762bd62617f142e1a6beaa05666ff690bb7ed", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `crate::network::Network`
[INFO] [stdout]  --> src/feed_forward.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::network::Network;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Float`
[INFO] [stdout]  --> src/feed_forward.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::network::reshape::wrap`
[INFO] [stdout]  --> src/network.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::network::reshape::wrap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::ArrayD`
[INFO] [stdout]  --> src/network.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ndarray::ArrayD;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/network.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_reader`
[INFO] [stdout]   --> src/network.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | use serde_json::{from_reader, to_writer};
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/network.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::io::{self, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_image::read_print_image`
[INFO] [stdout]  --> src/main.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{network::Network, read_image::read_print_image};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArrayView2` and `Axis`
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::{Array2, ArrayView2, Axis};
[INFO] [stdout]   |                       ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_writer`
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::{from_reader, to_writer};
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::{self, Read};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::network::Network`
[INFO] [stdout]  --> src/feed_forward.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::network::Network;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Float`
[INFO] [stdout]  --> src/feed_forward.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::network::reshape::wrap`
[INFO] [stdout]  --> src/network.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::network::reshape::wrap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::ArrayD`
[INFO] [stdout]  --> src/network.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ndarray::ArrayD;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/network.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_reader`
[INFO] [stdout]   --> src/network.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | use serde_json::{from_reader, to_writer};
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/network.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::io::{self, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_image::read_print_image`
[INFO] [stdout]  --> src/main.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{network::Network, read_image::read_print_image};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArrayView2` and `Axis`
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::{Array2, ArrayView2, Axis};
[INFO] [stdout]   |                       ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_writer`
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::{from_reader, to_writer};
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::{self, Read};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/network.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::io::{self, Write};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Float`
[INFO] [stdout]  --> src/network.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num_traits::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/network.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::io::{self, Write};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Float`
[INFO] [stdout]  --> src/network.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num_traits::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_images` is never used
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn show_images(images: &[Array2<u8>], title_texts: &[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: method `len` is never used
[INFO] [stdout]    --> src/network.rs:371:16
[INFO] [stdout]     |
[INFO] [stdout] 370 |     impl Reshaped {
[INFO] [stdout]     |     ------------- method in this implementation
[INFO] [stdout] 371 |         pub fn len(&self) -> usize {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unwrap` is never used
[INFO] [stdout]    --> src/network.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |     pub fn unwrap(input: Reshaped) -> Vec<(Array2<f64>, Array2<f64>)> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_print_image` is never used
[INFO] [stdout]  --> src/read_image.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn read_print_image(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_images` is never used
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn show_images(images: &[Array2<u8>], title_texts: &[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: method `len` is never used
[INFO] [stdout]    --> src/network.rs:371:16
[INFO] [stdout]     |
[INFO] [stdout] 370 |     impl Reshaped {
[INFO] [stdout]     |     ------------- method in this implementation
[INFO] [stdout] 371 |         pub fn len(&self) -> usize {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unwrap` is never used
[INFO] [stdout]    --> src/network.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |     pub fn unwrap(input: Reshaped) -> Vec<(Array2<f64>, Array2<f64>)> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_print_image` is never used
[INFO] [stdout]  --> src/read_image.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn read_print_image(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.73s
[INFO] running `Command { std: "docker" "inspect" "c745a4388fbc46364f1c2ae11f6762bd62617f142e1a6beaa05666ff690bb7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c745a4388fbc46364f1c2ae11f6762bd62617f142e1a6beaa05666ff690bb7ed", kill_on_drop: false }`
[INFO] [stdout] c745a4388fbc46364f1c2ae11f6762bd62617f142e1a6beaa05666ff690bb7ed
