[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#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2FMandelbrot_Rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MasonEG/Mandelbrot_Rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5970b4ef1e381ae354a368825ce3b5c23da753414735e7ae3d28a4a26d5e6a8 [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" "e5970b4ef1e381ae354a368825ce3b5c23da753414735e7ae3d28a4a26d5e6a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5970b4ef1e381ae354a368825ce3b5c23da753414735e7ae3d28a4a26d5e6a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5970b4ef1e381ae354a368825ce3b5c23da753414735e7ae3d28a4a26d5e6a8", kill_on_drop: false }` [INFO] [stdout] e5970b4ef1e381ae354a368825ce3b5c23da753414735e7ae3d28a4a26d5e6a8 [INFO] running `Command { std: "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" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8877f0794cf1f5c5d46e43a3b7ae90612b2172c9ecbdd8a011e7e991e41f836 [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" "a8877f0794cf1f5c5d46e43a3b7ae90612b2172c9ecbdd8a011e7e991e41f836", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [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 png v0.16.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [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: 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: 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: 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 20.55s [INFO] running `Command { std: "docker" "inspect" "a8877f0794cf1f5c5d46e43a3b7ae90612b2172c9ecbdd8a011e7e991e41f836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8877f0794cf1f5c5d46e43a3b7ae90612b2172c9ecbdd8a011e7e991e41f836", kill_on_drop: false }` [INFO] [stdout] a8877f0794cf1f5c5d46e43a3b7ae90612b2172c9ecbdd8a011e7e991e41f836