[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 try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fmandelbrot-oxide" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/h3nnn4n/mandelbrot-oxide on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69 [INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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-4/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] bda2f6ed2ab74d7bed550c0b2b0dc949d5f9a1a03abdcfe1fc2be6ce85055581 [INFO] running `"docker" "start" "-a" "bda2f6ed2ab74d7bed550c0b2b0dc949d5f9a1a03abdcfe1fc2be6ce85055581"` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking num-integer v0.1.39 [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] Finished dev [unoptimized + debuginfo] target(s) in 9.58s [INFO] running `"docker" "inspect" "bda2f6ed2ab74d7bed550c0b2b0dc949d5f9a1a03abdcfe1fc2be6ce85055581"` [INFO] running `"docker" "rm" "-f" "bda2f6ed2ab74d7bed550c0b2b0dc949d5f9a1a03abdcfe1fc2be6ce85055581"` [INFO] [stdout] bda2f6ed2ab74d7bed550c0b2b0dc949d5f9a1a03abdcfe1fc2be6ce85055581