[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] checking Mist124/rusty_mandelbrot against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMist124%2Frusty_mandelbrot" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mist124/rusty_mandelbrot on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-0/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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 png v0.7.0 [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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] f444f839686e660d4d75064b5be359cbe9f8b4cfccd9deb4303381054fb92a01 [INFO] running `Command { std: "docker" "start" "-a" "f444f839686e660d4d75064b5be359cbe9f8b4cfccd9deb4303381054fb92a01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f444f839686e660d4d75064b5be359cbe9f8b4cfccd9deb4303381054fb92a01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f444f839686e660d4d75064b5be359cbe9f8b4cfccd9deb4303381054fb92a01", kill_on_drop: false }` [INFO] [stdout] f444f839686e660d4d75064b5be359cbe9f8b4cfccd9deb4303381054fb92a01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9fcb59f432694fd0dcb6ffa944b33a8a4403f4ece007fc0811d88beeccb23bc4 [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" "9fcb59f432694fd0dcb6ffa944b33a8a4403f4ece007fc0811d88beeccb23bc4", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Checking 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] [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 4.01s [INFO] running `Command { std: "docker" "inspect" "9fcb59f432694fd0dcb6ffa944b33a8a4403f4ece007fc0811d88beeccb23bc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fcb59f432694fd0dcb6ffa944b33a8a4403f4ece007fc0811d88beeccb23bc4", kill_on_drop: false }` [INFO] [stdout] 9fcb59f432694fd0dcb6ffa944b33a8a4403f4ece007fc0811d88beeccb23bc4