[INFO] cloning repository https://github.com/h3nnn4n/mandelbrot-oxide [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h3nnn4n/mandelbrot-oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fmandelbrot-oxide", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fmandelbrot-oxide'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6dd28f6c84ffc1b970f2ca5673ee74997faa47b6 [INFO] checking h3nnn4n/mandelbrot-oxide against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fmandelbrot-oxide" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/h3nnn4n/mandelbrot-oxide on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/h3nnn4n/mandelbrot-oxide [INFO] finished tweaking git repo https://github.com/h3nnn4n/mandelbrot-oxide [INFO] tweaked toml for git repo https://github.com/h3nnn4n/mandelbrot-oxide written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/h3nnn4n/mandelbrot-oxide already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 1ad29c413156e4441fe7054406659ee2172306a9b7d163b0ce32865f27dff41e [INFO] running `Command { std: "docker" "start" "-a" "1ad29c413156e4441fe7054406659ee2172306a9b7d163b0ce32865f27dff41e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ad29c413156e4441fe7054406659ee2172306a9b7d163b0ce32865f27dff41e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ad29c413156e4441fe7054406659ee2172306a9b7d163b0ce32865f27dff41e", kill_on_drop: false }` [INFO] [stdout] 1ad29c413156e4441fe7054406659ee2172306a9b7d163b0ce32865f27dff41e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c1af0aba31a85abaa5077585478c5640ead22d8e05cf97a1ef286e57520c183 [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" "5c1af0aba31a85abaa5077585478c5640ead22d8e05cf97a1ef286e57520c183", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking num-complex v0.2.0 [INFO] [stderr] Checking num-bigint v0.2.0 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking mandelbrot-oxide v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:33:36 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn normalize(vec: Vec) -> (Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:34:32 [INFO] [stdout] | [INFO] [stdout] 34 | fn norm(x: u32, m: u32) -> (f32) { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:43:68 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn apply_palette(vec: Vec, palette: Vec<(u8, u8, u8)>) -> (Vec) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:44:29 [INFO] [stdout] | [INFO] [stdout] 44 | fn get_index(i: f32) -> (usize) { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mandelbrot.rs:5:47 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn generate_mandelbrot(config: Config) -> (Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mandelbrot.rs:24:49 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn get_c(x: u32, y: u32, config: Config) -> (Complex) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mandelbrot.rs:36:82 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mandelbrot_point(c: Complex, escape_radius: f64, iterations: u32) -> (u32) { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:33:36 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn normalize(vec: Vec) -> (Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:34:32 [INFO] [stdout] | [INFO] [stdout] 34 | fn norm(x: u32, m: u32) -> (f32) { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:43:68 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn apply_palette(vec: Vec, palette: Vec<(u8, u8, u8)>) -> (Vec) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/image.rs:44:29 [INFO] [stdout] | [INFO] [stdout] 44 | fn get_index(i: f32) -> (usize) { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mandelbrot.rs:5:47 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn generate_mandelbrot(config: Config) -> (Vec) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mandelbrot.rs:24:49 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn get_c(x: u32, y: u32, config: Config) -> (Complex) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mandelbrot.rs:36:82 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mandelbrot_point(c: Complex, escape_radius: f64, iterations: u32) -> (u32) { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.60s [INFO] running `Command { std: "docker" "inspect" "5c1af0aba31a85abaa5077585478c5640ead22d8e05cf97a1ef286e57520c183", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c1af0aba31a85abaa5077585478c5640ead22d8e05cf97a1ef286e57520c183", kill_on_drop: false }` [INFO] [stdout] 5c1af0aba31a85abaa5077585478c5640ead22d8e05cf97a1ef286e57520c183