[INFO] cloning repository https://github.com/BIRSAx2/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BIRSAx2/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBIRSAx2%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBIRSAx2%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42e97a147071c0e4707b52e470064b9d1d1c3c79
[INFO] testing BIRSAx2/mandelbrot against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBIRSAx2%2Fmandelbrot" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BIRSAx2/mandelbrot on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BIRSAx2/mandelbrot
[INFO] finished tweaking git repo https://github.com/BIRSAx2/mandelbrot
[INFO] tweaked toml for git repo https://github.com/BIRSAx2/mandelbrot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/BIRSAx2/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 7e9677eb246fd19d6dc6b6d5f14bdbdc654bb39f16b1cb2e48e5cf592716be66
[INFO] running `Command { std: "docker" "start" "-a" "7e9677eb246fd19d6dc6b6d5f14bdbdc654bb39f16b1cb2e48e5cf592716be66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e9677eb246fd19d6dc6b6d5f14bdbdc654bb39f16b1cb2e48e5cf592716be66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9677eb246fd19d6dc6b6d5f14bdbdc654bb39f16b1cb2e48e5cf592716be66", kill_on_drop: false }`
[INFO] [stdout] 7e9677eb246fd19d6dc6b6d5f14bdbdc654bb39f16b1cb2e48e5cf592716be66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7826a85ffacdf404db04581016db4d7196fec83dc5971cb8ab320d0915646c35
[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" "7826a85ffacdf404db04581016db4d7196fec83dc5971cb8ab320d0915646c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let x_percent = (img_x as f64 / width as f64);
[INFO] [stdout]    |                             ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -             let x_percent = (img_x as f64 / width as f64);
[INFO] [stdout] 16 +             let x_percent = img_x as f64 / width as f64;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let y_percent = (img_y as f64 / height as f64);
[INFO] [stdout]    |                             ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -             let y_percent = (img_y as f64 / height as f64);
[INFO] [stdout] 17 +             let y_percent = img_y as f64 / height as f64;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "7826a85ffacdf404db04581016db4d7196fec83dc5971cb8ab320d0915646c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7826a85ffacdf404db04581016db4d7196fec83dc5971cb8ab320d0915646c35", kill_on_drop: false }`
[INFO] [stdout] 7826a85ffacdf404db04581016db4d7196fec83dc5971cb8ab320d0915646c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1135a870f15a21a84a72f943096a2ffa05799504886ad232901aa6206af2945
[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" "f1135a870f15a21a84a72f943096a2ffa05799504886ad232901aa6206af2945", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let x_percent = (img_x as f64 / width as f64);
[INFO] [stdout]    |                             ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -             let x_percent = (img_x as f64 / width as f64);
[INFO] [stdout] 16 +             let x_percent = img_x as f64 / width as f64;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let y_percent = (img_y as f64 / height as f64);
[INFO] [stdout]    |                             ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -             let y_percent = (img_y as f64 / height as f64);
[INFO] [stdout] 17 +             let y_percent = img_y as f64 / height as f64;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "f1135a870f15a21a84a72f943096a2ffa05799504886ad232901aa6206af2945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1135a870f15a21a84a72f943096a2ffa05799504886ad232901aa6206af2945", kill_on_drop: false }`
[INFO] [stdout] f1135a870f15a21a84a72f943096a2ffa05799504886ad232901aa6206af2945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78ab465cff054ef206c3d026c825230472ea0fa22ac8a1fc8577f7061776c9f4
[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" "78ab465cff054ef206c3d026c825230472ea0fa22ac8a1fc8577f7061776c9f4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:16:29
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 16 |             let x_percent = (img_x as f64 / width as f64);
[INFO] [stdout] 
[INFO] [stderr]    |                             ^                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 16 -             let x_percent = (img_x as f64 / width as f64);
[INFO] [stderr] 16 +             let x_percent = img_x as f64 / width as f64;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let y_percent = (img_y as f64 / height as f64);
[INFO] [stderr]    |                             ^                            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 17 -             let y_percent = (img_y as f64 / height as f64);
[INFO] [stderr] 17 +             let y_percent = img_y as f64 / height as f64;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `mandelbrot` (bin "mandelbrot" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-1c02d90220b04ce7)
[INFO] running `Command { std: "docker" "inspect" "78ab465cff054ef206c3d026c825230472ea0fa22ac8a1fc8577f7061776c9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ab465cff054ef206c3d026c825230472ea0fa22ac8a1fc8577f7061776c9f4", kill_on_drop: false }`
[INFO] [stdout] 78ab465cff054ef206c3d026c825230472ea0fa22ac8a1fc8577f7061776c9f4