[INFO] updating cached repository https://github.com/brundonsmith/image_gen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e380c021605386e7c55ef6b208590049b56a9c64
[INFO] checking brundonsmith/image_gen against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Fimage_gen" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brundonsmith/image_gen on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brundonsmith/image_gen
[INFO] finished tweaking git repo https://github.com/brundonsmith/image_gen
[INFO] tweaked toml for git repo https://github.com/brundonsmith/image_gen written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/brundonsmith/image_gen already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4314a161cc577ca9d9ee508646edfe443e7f1c499cab95b5adeb84489983b750
[INFO] running `"docker" "start" "-a" "4314a161cc577ca9d9ee508646edfe443e7f1c499cab95b5adeb84489983b750"`
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking image_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `gap`
[INFO] [stderr]   --> src/generators/bricks.rs:11:105
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn apply_bricks(image: &mut Image<GrayscaleColor>, bricks_x: usize, bricks_y: usize, bevel: Vector, gap: Vector) {
[INFO] [stderr]    |                                                                                                         ^^^ help: consider prefixing with an underscore: `_gap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `smoothstep`
[INFO] [stderr]    --> src/generators/perlin_noise.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn smoothstep(a: f32, b: f32, t: f32) -> f32 {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clamp`
[INFO] [stderr]    --> src/generators/perlin_noise.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn clamp(x: f32, min: f32, max: f32) -> f32 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gap`
[INFO] [stderr]   --> src/generators/bricks.rs:11:105
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn apply_bricks(image: &mut Image<GrayscaleColor>, bricks_x: usize, bricks_y: usize, bevel: Vector, gap: Vector) {
[INFO] [stderr]    |                                                                                                         ^^^ help: consider prefixing with an underscore: `_gap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `smoothstep`
[INFO] [stderr]    --> src/generators/perlin_noise.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn smoothstep(a: f32, b: f32, t: f32) -> f32 {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clamp`
[INFO] [stderr]    --> src/generators/perlin_noise.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn clamp(x: f32, min: f32, max: f32) -> f32 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `generate_perlin_noise`
[INFO] [stderr]  --> src/main.rs:6:43
[INFO] [stderr]   |
[INFO] [stderr] 6 | use image_gen::generators::perlin_noise::{generate_perlin_noise};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `generate_perlin_noise`
[INFO] [stderr]  --> src/main.rs:6:43
[INFO] [stderr]   |
[INFO] [stderr] 6 | use image_gen::generators::perlin_noise::{generate_perlin_noise};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.71s
[INFO] running `"docker" "inspect" "4314a161cc577ca9d9ee508646edfe443e7f1c499cab95b5adeb84489983b750"`
[INFO] running `"docker" "rm" "-f" "4314a161cc577ca9d9ee508646edfe443e7f1c499cab95b5adeb84489983b750"`
[INFO] [stdout] 4314a161cc577ca9d9ee508646edfe443e7f1c499cab95b5adeb84489983b750