[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] testing h3nnn4n/mandelbrot-oxide against beta-2020-06-03 for beta-1.45-1
[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 beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 565ffed5064be0f5445517c05eb43240ff5a0edc2de4c617b1510118c1cde612
[INFO] running `"docker" "start" "-a" "565ffed5064be0f5445517c05eb43240ff5a0edc2de4c617b1510118c1cde612"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[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] [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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `"docker" "inspect" "565ffed5064be0f5445517c05eb43240ff5a0edc2de4c617b1510118c1cde612"`
[INFO] running `"docker" "rm" "-f" "565ffed5064be0f5445517c05eb43240ff5a0edc2de4c617b1510118c1cde612"`
[INFO] [stdout] 565ffed5064be0f5445517c05eb43240ff5a0edc2de4c617b1510118c1cde612
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc43d4fb3fad384044150a21aa88e4286eeeb5a5fb20ee63f5861b41634fe01c
[INFO] running `"docker" "start" "-a" "bc43d4fb3fad384044150a21aa88e4286eeeb5a5fb20ee63f5861b41634fe01c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling 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<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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "bc43d4fb3fad384044150a21aa88e4286eeeb5a5fb20ee63f5861b41634fe01c"`
[INFO] running `"docker" "rm" "-f" "bc43d4fb3fad384044150a21aa88e4286eeeb5a5fb20ee63f5861b41634fe01c"`
[INFO] [stdout] bc43d4fb3fad384044150a21aa88e4286eeeb5a5fb20ee63f5861b41634fe01c
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] ede0fd3bacc800a27b42ef968a97e19960a25c4d21db39adff3b0484e32a82d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ede0fd3bacc800a27b42ef968a97e19960a25c4d21db39adff3b0484e32a82d6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mandelbrot_oxide-33f5f9d800ae4229
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ede0fd3bacc800a27b42ef968a97e19960a25c4d21db39adff3b0484e32a82d6"`
[INFO] running `"docker" "rm" "-f" "ede0fd3bacc800a27b42ef968a97e19960a25c4d21db39adff3b0484e32a82d6"`
[INFO] [stdout] ede0fd3bacc800a27b42ef968a97e19960a25c4d21db39adff3b0484e32a82d6