[INFO] updating cached repository https://github.com/bernardocrodrigues/rusty_mandelbrot
[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] 8a32f1fe688c3e509fb70667bbd81906d5f24e68
[INFO] testing bernardocrodrigues/rusty_mandelbrot against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bernardocrodrigues/rusty_mandelbrot on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bernardocrodrigues/rusty_mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 9cdfb97ea057962e1726a85b8ab6bb7e9ae058a6f8357acd718c467a32dd93c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9cdfb97ea057962e1726a85b8ab6bb7e9ae058a6f8357acd718c467a32dd93c0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[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 memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling rusttype v0.7.9
[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 zerocopy-derive v0.1.4
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling zerocopy v0.2.8
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling rendy-descriptor v0.5.1
[INFO] [stderr]    Compiling rendy-memory v0.5.2
[INFO] [stderr]    Compiling gfx-backend-empty v0.4.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.4.2
[INFO] [stderr]    Compiling winit v0.22.0
[INFO] [stderr]    Compiling wgpu-native v0.4.3
[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] [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 dev [unoptimized + debuginfo] target(s) in 2m 27s
[INFO] running `"docker" "inspect" "9cdfb97ea057962e1726a85b8ab6bb7e9ae058a6f8357acd718c467a32dd93c0"`
[INFO] running `"docker" "rm" "-f" "9cdfb97ea057962e1726a85b8ab6bb7e9ae058a6f8357acd718c467a32dd93c0"`
[INFO] [stdout] 9cdfb97ea057962e1726a85b8ab6bb7e9ae058a6f8357acd718c467a32dd93c0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd5bf03d11e7b431b3af0ab2d83078942a568210cc6401b1bdd53318fba7e13a
[INFO] running `"docker" "start" "-a" "cd5bf03d11e7b431b3af0ab2d83078942a568210cc6401b1bdd53318fba7e13a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rusty_mandelbrot v0.1.0 (/opt/rustwide/workdir)
[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 1.72s
[INFO] running `"docker" "inspect" "cd5bf03d11e7b431b3af0ab2d83078942a568210cc6401b1bdd53318fba7e13a"`
[INFO] running `"docker" "rm" "-f" "cd5bf03d11e7b431b3af0ab2d83078942a568210cc6401b1bdd53318fba7e13a"`
[INFO] [stdout] cd5bf03d11e7b431b3af0ab2d83078942a568210cc6401b1bdd53318fba7e13a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5b633a69ca1a9ed306af661d29f6f5743fde2edd7f2c5a99b9a1700ea8bac0e
[INFO] running `"docker" "start" "-a" "a5b633a69ca1a9ed306af661d29f6f5743fde2edd7f2c5a99b9a1700ea8bac0e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.47s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_mandelbrot-5ebd2737a387b9ce
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a5b633a69ca1a9ed306af661d29f6f5743fde2edd7f2c5a99b9a1700ea8bac0e"`
[INFO] running `"docker" "rm" "-f" "a5b633a69ca1a9ed306af661d29f6f5743fde2edd7f2c5a99b9a1700ea8bac0e"`
[INFO] [stdout] a5b633a69ca1a9ed306af661d29f6f5743fde2edd7f2c5a99b9a1700ea8bac0e