[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] testing bernardocrodrigues/rusty_mandelbrot against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bernardocrodrigues/rusty_mandelbrot on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relevant v0.4.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded colorful v0.2.1
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.2
[INFO] [stderr]   Downloaded pixels v0.0.2
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded d3d12 v0.3.0
[INFO] [stderr]   Downloaded metal v0.17.1
[INFO] [stderr]   Downloaded range-alloc v0.1.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.4.5
[INFO] [stderr]   Downloaded gfx-backend-empty v0.4.0
[INFO] [stderr]   Downloaded hibitset v0.6.3
[INFO] [stderr]   Downloaded objc_exception v0.1.2
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.3
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.4.3
[INFO] [stderr]   Downloaded rendy-descriptor v0.5.1
[INFO] [stderr]   Downloaded spirv_cross v0.16.0
[INFO] [stderr]   Downloaded gfx-auxil v0.1.0
[INFO] [stderr]   Downloaded storage-map v0.2.0
[INFO] [stderr]   Downloaded winit v0.22.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.6
[INFO] [stderr]   Downloaded wgpu-native v0.4.3
[INFO] [stderr]   Downloaded rendy-memory v0.5.2
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded ash v0.29.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.1.4
[INFO] [stderr]   Downloaded wgpu v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded zerocopy v0.2.8
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 631889fb6ddf83d3be7fb883fe2f299d0057d8fbf9c28e15a6aac3d4fbab4b7f
[INFO] running `Command { std: "docker" "start" "-a" "631889fb6ddf83d3be7fb883fe2f299d0057d8fbf9c28e15a6aac3d4fbab4b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "631889fb6ddf83d3be7fb883fe2f299d0057d8fbf9c28e15a6aac3d4fbab4b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631889fb6ddf83d3be7fb883fe2f299d0057d8fbf9c28e15a6aac3d4fbab4b7f", kill_on_drop: false }`
[INFO] [stdout] 631889fb6ddf83d3be7fb883fe2f299d0057d8fbf9c28e15a6aac3d4fbab4b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea0fa8bc9ebd26309fdb8a4416d8518fead12c5b320446da440586f50dca68f0
[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" "ea0fa8bc9ebd26309fdb8a4416d8518fead12c5b320446da440586f50dca68f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling zerocopy v0.2.8
[INFO] [stderr]    Compiling rendy-memory v0.5.2
[INFO] [stderr]    Compiling rendy-descriptor v0.5.1
[INFO] [stderr]    Compiling gfx-backend-empty v0.4.0
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.4.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling wgpu-native v0.4.3
[INFO] [stderr]    Compiling winit v0.22.0
[INFO] [stderr]    Compiling wgpu v0.4.0
[INFO] [stderr]    Compiling pixels v0.0.2
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "ea0fa8bc9ebd26309fdb8a4416d8518fead12c5b320446da440586f50dca68f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0fa8bc9ebd26309fdb8a4416d8518fead12c5b320446da440586f50dca68f0", kill_on_drop: false }`
[INFO] [stdout] ea0fa8bc9ebd26309fdb8a4416d8518fead12c5b320446da440586f50dca68f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3c4233b920123bfbf24a4d1039214a9106aeb648d206a5f14683165e2743d4
[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" "3e3c4233b920123bfbf24a4d1039214a9106aeb648d206a5f14683165e2743d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "3e3c4233b920123bfbf24a4d1039214a9106aeb648d206a5f14683165e2743d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3c4233b920123bfbf24a4d1039214a9106aeb648d206a5f14683165e2743d4", kill_on_drop: false }`
[INFO] [stdout] 3e3c4233b920123bfbf24a4d1039214a9106aeb648d206a5f14683165e2743d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 06f6ab6a4bbda985a5b319793ac1867ab96d753b6bb5fc212c5d78623681093e
[INFO] running `Command { std: "docker" "start" "-a" "06f6ab6a4bbda985a5b319793ac1867ab96d753b6bb5fc212c5d78623681093e", kill_on_drop: false }`
[INFO] [stderr] warning: value captured by `deepness` is never read
[INFO] [stderr]    --> src/main.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |                     deepness = width_excursion / world.zoom_factor;
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `conjugate`
[INFO] [stderr]   --> src/mandelbrot.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn conjugate(&self) -> ComplexNumber {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `draw`
[INFO] [stderr]    --> src/main.rs:209:8
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn draw(&self, frame: &mut [u8]) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_mandelbrot-f6c58cdf56605558
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06f6ab6a4bbda985a5b319793ac1867ab96d753b6bb5fc212c5d78623681093e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f6ab6a4bbda985a5b319793ac1867ab96d753b6bb5fc212c5d78623681093e", kill_on_drop: false }`
[INFO] [stdout] 06f6ab6a4bbda985a5b319793ac1867ab96d753b6bb5fc212c5d78623681093e