[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] testing h3nnn4n/mandelbrot-oxide against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fmandelbrot-oxide" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h3nnn4n/mandelbrot-oxide on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] f9a09b27efb0b122a63141f2ca8dfda619219d5f894b13f23706c03437c9ebd0
[INFO] running `Command { std: "docker" "start" "-a" "f9a09b27efb0b122a63141f2ca8dfda619219d5f894b13f23706c03437c9ebd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a09b27efb0b122a63141f2ca8dfda619219d5f894b13f23706c03437c9ebd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a09b27efb0b122a63141f2ca8dfda619219d5f894b13f23706c03437c9ebd0", kill_on_drop: false }`
[INFO] [stdout] f9a09b27efb0b122a63141f2ca8dfda619219d5f894b13f23706c03437c9ebd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1fb05e56bac964f2c7a74230f9ea5bde76dd75ad8c6121f037dcb829bcca52f
[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" "d1fb05e56bac964f2c7a74230f9ea5bde76dd75ad8c6121f037dcb829bcca52f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling 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<u32>) -> (Vec<f32>) {
[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<f32>, palette: Vec<(u8, u8, u8)>) -> (Vec<u8>) {
[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<u32>) {
[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<f64>) {
[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<f64>, 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "d1fb05e56bac964f2c7a74230f9ea5bde76dd75ad8c6121f037dcb829bcca52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1fb05e56bac964f2c7a74230f9ea5bde76dd75ad8c6121f037dcb829bcca52f", kill_on_drop: false }`
[INFO] [stdout] d1fb05e56bac964f2c7a74230f9ea5bde76dd75ad8c6121f037dcb829bcca52f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", 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] e05e5b57a4d74ef63341d2d04d7d540f04c0a7192526ded11bb3a10626c397e7
[INFO] running `Command { std: "docker" "start" "-a" "e05e5b57a4d74ef63341d2d04d7d540f04c0a7192526ded11bb3a10626c397e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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<u32>) -> (Vec<f32>) {
[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<f32>, palette: Vec<(u8, u8, u8)>) -> (Vec<u8>) {
[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<u32>) {
[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<f64>) {
[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<f64>, 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "e05e5b57a4d74ef63341d2d04d7d540f04c0a7192526ded11bb3a10626c397e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05e5b57a4d74ef63341d2d04d7d540f04c0a7192526ded11bb3a10626c397e7", kill_on_drop: false }`
[INFO] [stdout] e05e5b57a4d74ef63341d2d04d7d540f04c0a7192526ded11bb3a10626c397e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0222bcf76e12e3ed00150994b30fcc89ecb6158165e82107eade961d8a52298
[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" "b0222bcf76e12e3ed00150994b30fcc89ecb6158165e82107eade961d8a52298", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/image.rs:33:36
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn normalize(vec: Vec<u32>) -> (Vec<f32>) {
[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<f32>, palette: Vec<(u8, u8, u8)>) -> (Vec<u8>) {
[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<u32>) {
[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<f64>) {
[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<f64>, escape_radius: f64, iterations: u32) -> (u32) {
[INFO] [stderr]    |                                                                                  ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `mandelbrot-oxide` (bin "mandelbrot-oxide" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot_oxide-d199d01ca3e306ee)
[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" "b0222bcf76e12e3ed00150994b30fcc89ecb6158165e82107eade961d8a52298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0222bcf76e12e3ed00150994b30fcc89ecb6158165e82107eade961d8a52298", kill_on_drop: false }`
[INFO] [stdout] b0222bcf76e12e3ed00150994b30fcc89ecb6158165e82107eade961d8a52298