[INFO] cloning repository https://github.com/MasonEG/Mandelbrot_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MasonEG/Mandelbrot_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2FMandelbrot_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2FMandelbrot_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 207da21de7ecff31fb708fd3ab55e24b8f9005f6 [INFO] checking MasonEG/Mandelbrot_Rust against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2FMandelbrot_Rust" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MasonEG/Mandelbrot_Rust on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MasonEG/Mandelbrot_Rust [INFO] finished tweaking git repo https://github.com/MasonEG/Mandelbrot_Rust [INFO] tweaked toml for git repo https://github.com/MasonEG/Mandelbrot_Rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/MasonEG/Mandelbrot_Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e71bde7268fa9899fc2214392743de1fef342af1212165ff62e360efa2d99a0d [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" "e71bde7268fa9899fc2214392743de1fef342af1212165ff62e360efa2d99a0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e71bde7268fa9899fc2214392743de1fef342af1212165ff62e360efa2d99a0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e71bde7268fa9899fc2214392743de1fef342af1212165ff62e360efa2d99a0d", kill_on_drop: false }` [INFO] [stdout] e71bde7268fa9899fc2214392743de1fef342af1212165ff62e360efa2d99a0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 792be9d0c0e27e609d0821c5e6a99e4afe7bbebc08ea9fc027bf120dcfadb13f [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" "792be9d0c0e27e609d0821c5e6a99e4afe7bbebc08ea9fc027bf120dcfadb13f", 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking deflate v0.8.3 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking png v0.16.1 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking image v0.23.2 [INFO] [stderr] Checking Mandelbrot_Rust v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `r_factor` [INFO] [stdout] --> src/main.rs:41:21 [INFO] [stdout] | [INFO] [stdout] 41 | let r_factor = if range_val <= 1.5 { (range_val - 0.5).abs() } [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_factor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g_factor` [INFO] [stdout] --> src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | let g_factor = (range_val - 1.0).abs(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_g_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b_factor` [INFO] [stdout] --> src/main.rs:44:21 [INFO] [stdout] | [INFO] [stdout] 44 | let b_factor = if range_val >= 0.5 { (range_val - 1.5).abs() } [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r_factor` [INFO] [stdout] --> src/main.rs:41:21 [INFO] [stdout] | [INFO] [stdout] 41 | let r_factor = if range_val <= 1.5 { (range_val - 0.5).abs() } [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_factor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g_factor` [INFO] [stdout] --> src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | let g_factor = (range_val - 1.0).abs(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_g_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b_factor` [INFO] [stdout] --> src/main.rs:44:21 [INFO] [stdout] | [INFO] [stdout] 44 | let b_factor = if range_val >= 0.5 { (range_val - 1.5).abs() } [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | let mut r: u8 = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:36:21 [INFO] [stdout] | [INFO] [stdout] 36 | let mut g: u8 = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:21 [INFO] [stdout] | [INFO] [stdout] 37 | let mut b: u8 = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Mandelbrot_Rust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `mandelbrot_rust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | let mut r: u8 = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:36:21 [INFO] [stdout] | [INFO] [stdout] 36 | let mut g: u8 = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:21 [INFO] [stdout] | [INFO] [stdout] 37 | let mut b: u8 = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Mandelbrot_Rust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `mandelbrot_rust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 23s [INFO] running `Command { std: "docker" "inspect" "792be9d0c0e27e609d0821c5e6a99e4afe7bbebc08ea9fc027bf120dcfadb13f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "792be9d0c0e27e609d0821c5e6a99e4afe7bbebc08ea9fc027bf120dcfadb13f", kill_on_drop: false }` [INFO] [stdout] 792be9d0c0e27e609d0821c5e6a99e4afe7bbebc08ea9fc027bf120dcfadb13f