[INFO] updating cached repository https://github.com/h3nnn4n/mandelbrot-oxide [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] 6dd28f6c84ffc1b970f2ca5673ee74997faa47b6 [INFO] checking h3nnn4n/mandelbrot-oxide against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fmandelbrot-oxide" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/h3nnn4n/mandelbrot-oxide on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [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-13/source/Cargo.toml [INFO] crate git repo https://github.com/h3nnn4n/mandelbrot-oxide already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f6f93232062cbac730a360909ba5e77f8069d9f2712cd1dd5701dffdff8ae5b [INFO] running `"docker" "start" "-a" "1f6f93232062cbac730a360909ba5e77f8069d9f2712cd1dd5701dffdff8ae5b"` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking bitflags v1.0.4 [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 num-iter v0.1.37 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking num-rational v0.2.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking mandelbrot-oxide v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:33:36 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn normalize(vec: Vec) -> (Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:34:32 [INFO] [stderr] | [INFO] [stderr] 34 | fn norm(x: u32, m: u32) -> (f32) { [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:43:68 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn apply_palette(vec: Vec, palette: Vec<(u8, u8, u8)>) -> (Vec) { [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:44:29 [INFO] [stderr] | [INFO] [stderr] 44 | fn get_index(i: f32) -> (usize) { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mandelbrot.rs:5:47 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn generate_mandelbrot(config: Config) -> (Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mandelbrot.rs:24:49 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn get_c(x: u32, y: u32, config: Config) -> (Complex) { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mandelbrot.rs:36:82 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn mandelbrot_point(c: Complex, escape_radius: f64, iterations: u32) -> (u32) { [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:33:36 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn normalize(vec: Vec) -> (Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:34:32 [INFO] [stderr] | [INFO] [stderr] 34 | fn norm(x: u32, m: u32) -> (f32) { [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:43:68 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn apply_palette(vec: Vec, palette: Vec<(u8, u8, u8)>) -> (Vec) { [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/image.rs:44:29 [INFO] [stderr] | [INFO] [stderr] 44 | fn get_index(i: f32) -> (usize) { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mandelbrot.rs:5:47 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn generate_mandelbrot(config: Config) -> (Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mandelbrot.rs:24:49 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn get_c(x: u32, y: u32, config: Config) -> (Complex) { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mandelbrot.rs:36:82 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn mandelbrot_point(c: Complex, escape_radius: f64, iterations: u32) -> (u32) { [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.51s [INFO] running `"docker" "inspect" "1f6f93232062cbac730a360909ba5e77f8069d9f2712cd1dd5701dffdff8ae5b"` [INFO] running `"docker" "rm" "-f" "1f6f93232062cbac730a360909ba5e77f8069d9f2712cd1dd5701dffdff8ae5b"` [INFO] [stdout] 1f6f93232062cbac730a360909ba5e77f8069d9f2712cd1dd5701dffdff8ae5b