[INFO] cloning repository https://github.com/brundonsmith/image_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brundonsmith/image_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Fimage_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Fimage_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e380c021605386e7c55ef6b208590049b56a9c64
[INFO] checking brundonsmith/image_gen against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Fimage_gen" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brundonsmith/image_gen on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/brundonsmith/image_gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ddc6f69d8e4d8b98450b206f17f08cbf924a25dc01e837d137ef7f450249b4f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ddc6f69d8e4d8b98450b206f17f08cbf924a25dc01e837d137ef7f450249b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddc6f69d8e4d8b98450b206f17f08cbf924a25dc01e837d137ef7f450249b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddc6f69d8e4d8b98450b206f17f08cbf924a25dc01e837d137ef7f450249b4f", kill_on_drop: false }`
[INFO] [stdout] 7ddc6f69d8e4d8b98450b206f17f08cbf924a25dc01e837d137ef7f450249b4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9801fa87d8a9a9c3ad5a4f2c6d76cfe29ebe8d0596f4f201f0449f569c014d5c
[INFO] running `Command { std: "docker" "start" "-a" "9801fa87d8a9a9c3ad5a4f2c6d76cfe29ebe8d0596f4f201f0449f569c014d5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking getrandom v0.1.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking image_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `gap`
[INFO] [stdout]   --> src/generators/bricks.rs:11:105
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn apply_bricks(image: &mut Image<GrayscaleColor>, bricks_x: usize, bricks_y: usize, bevel: Vector, gap: Vector) {
[INFO] [stdout]    |                                                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_gap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gap`
[INFO] [stdout]   --> src/generators/bricks.rs:11:105
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn apply_bricks(image: &mut Image<GrayscaleColor>, bricks_x: usize, bricks_y: usize, bevel: Vector, gap: Vector) {
[INFO] [stdout]    |                                                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_gap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smoothstep`
[INFO] [stdout]    --> src/generators/perlin_noise.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn smoothstep(a: f32, b: f32, t: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]    --> src/generators/perlin_noise.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn clamp(x: f32, min: f32, max: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smoothstep`
[INFO] [stdout]    --> src/generators/perlin_noise.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn smoothstep(a: f32, b: f32, t: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]    --> src/generators/perlin_noise.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn clamp(x: f32, min: f32, max: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_perlin_noise`
[INFO] [stdout]  --> src/main.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image_gen::generators::perlin_noise::{generate_perlin_noise};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_perlin_noise`
[INFO] [stdout]  --> src/main.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image_gen::generators::perlin_noise::{generate_perlin_noise};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.92s
[INFO] running `Command { std: "docker" "inspect" "9801fa87d8a9a9c3ad5a4f2c6d76cfe29ebe8d0596f4f201f0449f569c014d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9801fa87d8a9a9c3ad5a4f2c6d76cfe29ebe8d0596f4f201f0449f569c014d5c", kill_on_drop: false }`
[INFO] [stdout] 9801fa87d8a9a9c3ad5a4f2c6d76cfe29ebe8d0596f4f201f0449f569c014d5c