[INFO] cloning repository https://github.com/Mist124/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/Mist124/rusty_mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMist124%2Frusty_mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMist124%2Frusty_mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f4f891ba09f65d6c590f8e2b6c24a2005f3cc8
[INFO] testing Mist124/rusty_mandelbrot against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMist124%2Frusty_mandelbrot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mist124/rusty_mandelbrot on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mist124/rusty_mandelbrot
[INFO] finished tweaking git repo https://github.com/Mist124/rusty_mandelbrot
[INFO] tweaked toml for git repo https://github.com/Mist124/rusty_mandelbrot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Mist124/rusty_mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.7.0
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] [stderr]   Downloaded mandelbrot v0.1.2
[INFO] running `Command { std: "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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 116e2c6f065232a43bff0579cf3ba47169edafd552ef6ebf1a15abafdc346162
[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" "116e2c6f065232a43bff0579cf3ba47169edafd552ef6ebf1a15abafdc346162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "116e2c6f065232a43bff0579cf3ba47169edafd552ef6ebf1a15abafdc346162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116e2c6f065232a43bff0579cf3ba47169edafd552ef6ebf1a15abafdc346162", kill_on_drop: false }`
[INFO] [stdout] 116e2c6f065232a43bff0579cf3ba47169edafd552ef6ebf1a15abafdc346162
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 93fce74b901d9afea7928e41023935c9ab3206b22cf688d58d46ca59addc3377
[INFO] running `Command { std: "docker" "start" "-a" "93fce74b901d9afea7928e41023935c9ab3206b22cf688d58d46ca59addc3377", kill_on_drop: false }`
[INFO] [stderr] warning: mandelbrot v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `mandelbrot` which is missing a lib target
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trap`
[INFO] [stdout]    --> src/fractals.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn mandelbrot_trap(x: f64, y: f64, trap: &dyn Fn(f64, f64) -> f64) -> f64 {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_trap`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mandelbrot_trap`
[INFO] [stdout]    --> src/fractals.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn mandelbrot_trap(x: f64, y: f64, trap: &dyn Fn(f64, f64) -> f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mandelbrot_its`
[INFO] [stdout]    --> src/fractals.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub fn mandelbrot_its(x: f64, y: f64, max_iter: u32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_histogram`
[INFO] [stdout]    --> src/fractals.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn render_histogram(sector: zoom::Sector, max_iter: u32, fractal: &dyn Fn(f64, f64, u32) -> u32, detail: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/fractals.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         pub fn new(from: Sector, to: Sector) -> SectorZoom {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smooth`
[INFO] [stdout]    --> src/fractals.rs:372:12
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn smooth(x: f64) -> f64 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "93fce74b901d9afea7928e41023935c9ab3206b22cf688d58d46ca59addc3377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fce74b901d9afea7928e41023935c9ab3206b22cf688d58d46ca59addc3377", kill_on_drop: false }`
[INFO] [stdout] 93fce74b901d9afea7928e41023935c9ab3206b22cf688d58d46ca59addc3377
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] c138444339bf702058c220d179bd9afe0d7a10361c7d8bbcd834d33a76abe7dc
[INFO] running `Command { std: "docker" "start" "-a" "c138444339bf702058c220d179bd9afe0d7a10361c7d8bbcd834d33a76abe7dc", kill_on_drop: false }`
[INFO] [stderr] warning: mandelbrot v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `mandelbrot` which is missing a lib target
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trap`
[INFO] [stdout]    --> src/fractals.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn mandelbrot_trap(x: f64, y: f64, trap: &dyn Fn(f64, f64) -> f64) -> f64 {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_trap`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mandelbrot_trap`
[INFO] [stdout]    --> src/fractals.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn mandelbrot_trap(x: f64, y: f64, trap: &dyn Fn(f64, f64) -> f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mandelbrot_its`
[INFO] [stdout]    --> src/fractals.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub fn mandelbrot_its(x: f64, y: f64, max_iter: u32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_histogram`
[INFO] [stdout]    --> src/fractals.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn render_histogram(sector: zoom::Sector, max_iter: u32, fractal: &dyn Fn(f64, f64, u32) -> u32, detail: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/fractals.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         pub fn new(from: Sector, to: Sector) -> SectorZoom {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smooth`
[INFO] [stdout]    --> src/fractals.rs:372:12
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn smooth(x: f64) -> f64 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "c138444339bf702058c220d179bd9afe0d7a10361c7d8bbcd834d33a76abe7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c138444339bf702058c220d179bd9afe0d7a10361c7d8bbcd834d33a76abe7dc", kill_on_drop: false }`
[INFO] [stdout] c138444339bf702058c220d179bd9afe0d7a10361c7d8bbcd834d33a76abe7dc
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] c92def0af34c81a27f510b300f9bf5af03545b14c25253b13f8f4fe969a75984
[INFO] running `Command { std: "docker" "start" "-a" "c92def0af34c81a27f510b300f9bf5af03545b14c25253b13f8f4fe969a75984", 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] [stdout] 
[INFO] [stderr] warning: mandelbrot v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `mandelbrot` which is missing a lib target
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: unused variable: `trap`
[INFO] [stdout] 
[INFO] [stderr]    --> src/fractals.rs:161:40
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 161 | pub fn mandelbrot_trap(x: f64, y: f64, trap: &dyn Fn(f64, f64) -> f64) -> f64 {
[INFO] [stderr]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_trap`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mandelbrot_trap`
[INFO] [stderr]    --> src/fractals.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn mandelbrot_trap(x: f64, y: f64, trap: &dyn Fn(f64, f64) -> f64) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mandelbrot_its`
[INFO] [stderr]    --> src/fractals.rs:215:8
[INFO] [stderr]     |
[INFO] [stderr] 215 | pub fn mandelbrot_its(x: f64, y: f64, max_iter: u32) -> u32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_histogram`
[INFO] [stderr]    --> src/fractals.rs:256:8
[INFO] [stderr]     |
[INFO] [stderr] 256 | pub fn render_histogram(sector: zoom::Sector, max_iter: u32, fractal: &dyn Fn(f64, f64, u32) -> u32, detail: usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/fractals.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 |         pub fn new(from: Sector, to: Sector) -> SectorZoom {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `smooth`
[INFO] [stderr]    --> src/fractals.rs:372:12
[INFO] [stderr]     |
[INFO] [stderr] 372 |     pub fn smooth(x: f64) -> f64 {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mandelbrot` (bin "mandelbrot" test) generated 6 warnings
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-cf06ad943444f20e)
[INFO] running `Command { std: "docker" "inspect" "c92def0af34c81a27f510b300f9bf5af03545b14c25253b13f8f4fe969a75984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92def0af34c81a27f510b300f9bf5af03545b14c25253b13f8f4fe969a75984", kill_on_drop: false }`
[INFO] [stdout] c92def0af34c81a27f510b300f9bf5af03545b14c25253b13f8f4fe969a75984