[INFO] cloning repository https://github.com/bernardocrodrigues/rusty_mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bernardocrodrigues/rusty_mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a32f1fe688c3e509fb70667bbd81906d5f24e68
[INFO] checking bernardocrodrigues/rusty_mandelbrot against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bernardocrodrigues/rusty_mandelbrot on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bernardocrodrigues/rusty_mandelbrot
[INFO] finished tweaking git repo https://github.com/bernardocrodrigues/rusty_mandelbrot
[INFO] tweaked toml for git repo https://github.com/bernardocrodrigues/rusty_mandelbrot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bernardocrodrigues/rusty_mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed8aed8c9d4c059e46b684264778a17aa110bb1ff345853700e9af5ad1db5e6c
[INFO] running `Command { std: "docker" "start" "-a" "ed8aed8c9d4c059e46b684264778a17aa110bb1ff345853700e9af5ad1db5e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed8aed8c9d4c059e46b684264778a17aa110bb1ff345853700e9af5ad1db5e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8aed8c9d4c059e46b684264778a17aa110bb1ff345853700e9af5ad1db5e6c", kill_on_drop: false }`
[INFO] [stdout] ed8aed8c9d4c059e46b684264778a17aa110bb1ff345853700e9af5ad1db5e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c2135f165249e67b20f3dc976918a66c8ad4ed0992b7c2bef8f40b0760f1fe7
[INFO] running `Command { std: "docker" "start" "-a" "2c2135f165249e67b20f3dc976918a66c8ad4ed0992b7c2bef8f40b0760f1fe7", 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]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.1
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[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking log v0.4.8
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[INFO] [stderr]     Checking rusttype v0.8.2
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[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking andrew v0.2.1
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[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
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[INFO] [stderr]     Checking rendy-descriptor v0.5.1
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[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking zerocopy v0.2.8
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[INFO] [stderr]     Checking wgpu-native v0.4.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
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[INFO] [stderr]     Checking pixels v0.0.2
[INFO] [stderr]     Checking rusty_mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `deepness` is never read
[INFO] [stdout]    --> src/main.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     deepness = width_excursion / world.zoom_factor;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `deepness` is never read
[INFO] [stdout]    --> src/main.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     deepness = width_excursion / world.zoom_factor;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `conjugate`
[INFO] [stdout]   --> src/mandelbrot.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn conjugate(&self) -> ComplexNumber {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]    --> src/main.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn draw(&self, frame: &mut [u8]) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `conjugate`
[INFO] [stdout]   --> src/mandelbrot.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn conjugate(&self) -> ComplexNumber {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]    --> src/main.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn draw(&self, frame: &mut [u8]) {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.31s
[INFO] running `Command { std: "docker" "inspect" "2c2135f165249e67b20f3dc976918a66c8ad4ed0992b7c2bef8f40b0760f1fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2135f165249e67b20f3dc976918a66c8ad4ed0992b7c2bef8f40b0760f1fe7", kill_on_drop: false }`
[INFO] [stdout] 2c2135f165249e67b20f3dc976918a66c8ad4ed0992b7c2bef8f40b0760f1fe7