[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMist124%2Frusty_mandelbrot" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mist124/rusty_mandelbrot on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-8/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mandelbrot v0.1.2 [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d9a8253e294cead8b179ef57e0a4a8a58a9ae125d19c49b67d6177e4b093282 [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" "4d9a8253e294cead8b179ef57e0a4a8a58a9ae125d19c49b67d6177e4b093282", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d9a8253e294cead8b179ef57e0a4a8a58a9ae125d19c49b67d6177e4b093282", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d9a8253e294cead8b179ef57e0a4a8a58a9ae125d19c49b67d6177e4b093282", kill_on_drop: false }` [INFO] [stdout] 4d9a8253e294cead8b179ef57e0a4a8a58a9ae125d19c49b67d6177e4b093282 [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e9fdd4e71926b6162a1279845c5bd207408461560ab0b3ede69d2bd4d0ab46b [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" "0e9fdd4e71926b6162a1279845c5bd207408461560ab0b3ede69d2bd4d0ab46b", kill_on_drop: false }` [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [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: 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] = note: `#[warn(dead_code)]` 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] [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: 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 20.71s [INFO] running `Command { std: "docker" "inspect" "0e9fdd4e71926b6162a1279845c5bd207408461560ab0b3ede69d2bd4d0ab46b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e9fdd4e71926b6162a1279845c5bd207408461560ab0b3ede69d2bd4d0ab46b", kill_on_drop: false }` [INFO] [stdout] 0e9fdd4e71926b6162a1279845c5bd207408461560ab0b3ede69d2bd4d0ab46b [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 763c1b2ea57c30f855ac268f005b6ff979110d206c70b1d94ab28fd9aac65a2e [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" "763c1b2ea57c30f855ac268f005b6ff979110d206c70b1d94ab28fd9aac65a2e", kill_on_drop: false }` [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: 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] = note: `#[warn(dead_code)]` 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] [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: 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 0.93s [INFO] running `Command { std: "docker" "inspect" "763c1b2ea57c30f855ac268f005b6ff979110d206c70b1d94ab28fd9aac65a2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "763c1b2ea57c30f855ac268f005b6ff979110d206c70b1d94ab28fd9aac65a2e", kill_on_drop: false }` [INFO] [stdout] 763c1b2ea57c30f855ac268f005b6ff979110d206c70b1d94ab28fd9aac65a2e [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e4b756088fa063fd5f56963329bcd7e8439ffdd47a670747ba884428f72d2563 [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" "e4b756088fa063fd5f56963329bcd7e8439ffdd47a670747ba884428f72d2563", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `trap` [INFO] [stderr] --> src/fractals.rs:161:40 [INFO] [stderr] | [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: 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] = note: `#[warn(dead_code)]` 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] 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: 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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [optimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-63b3b03d14c24c5d) [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" "e4b756088fa063fd5f56963329bcd7e8439ffdd47a670747ba884428f72d2563", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4b756088fa063fd5f56963329bcd7e8439ffdd47a670747ba884428f72d2563", kill_on_drop: false }` [INFO] [stdout] e4b756088fa063fd5f56963329bcd7e8439ffdd47a670747ba884428f72d2563