[INFO] cloning repository https://github.com/JPDye/mandelbrot-viewer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPDye/mandelbrot-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPDye%2Fmandelbrot-viewer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPDye%2Fmandelbrot-viewer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 708ce631e1f35f850cdb0c9975f19cb949601d47 [INFO] checking JPDye/mandelbrot-viewer against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPDye%2Fmandelbrot-viewer" "/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/JPDye/mandelbrot-viewer on toolchain a874956d940ecb3ed524b6176a171219ac4787ea [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JPDye/mandelbrot-viewer [INFO] finished tweaking git repo https://github.com/JPDye/mandelbrot-viewer [INFO] tweaked toml for git repo https://github.com/JPDye/mandelbrot-viewer written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/JPDye/mandelbrot-viewer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df3bf3c97781d9455f698e6047c9548b2ff6adbec2fa9161579f6c1fdb7a6f73 [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" "df3bf3c97781d9455f698e6047c9548b2ff6adbec2fa9161579f6c1fdb7a6f73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df3bf3c97781d9455f698e6047c9548b2ff6adbec2fa9161579f6c1fdb7a6f73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df3bf3c97781d9455f698e6047c9548b2ff6adbec2fa9161579f6c1fdb7a6f73", kill_on_drop: false }` [INFO] [stdout] df3bf3c97781d9455f698e6047c9548b2ff6adbec2fa9161579f6c1fdb7a6f73 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4029d1bd0e96c48a999af32af8fd6834876b209b49a25508f5f6cff9c17e265b [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" "4029d1bd0e96c48a999af32af8fd6834876b209b49a25508f5f6cff9c17e265b", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling rayon-core v1.8.0 [INFO] [stderr] Compiling proc-macro2 v1.0.20 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking deque v0.3.2 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rayon v0.4.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Checking num v0.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `num_cols` [INFO] [stdout] --> src/main.rs:34:51 [INFO] [stdout] | [INFO] [stdout] 34 | fn potential_colouring(c: Complex, lim: u32, num_cols: u32, grad: &Gradient) -> Rgb> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_cols` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_cols` [INFO] [stdout] --> src/main.rs:34:51 [INFO] [stdout] | [INFO] [stdout] 34 | fn potential_colouring(c: Complex, lim: u32, num_cols: u32, grad: &Gradient) -> Rgb> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_cols` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.22s [INFO] running `Command { std: "docker" "inspect" "4029d1bd0e96c48a999af32af8fd6834876b209b49a25508f5f6cff9c17e265b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4029d1bd0e96c48a999af32af8fd6834876b209b49a25508f5f6cff9c17e265b", kill_on_drop: false }` [INFO] [stdout] 4029d1bd0e96c48a999af32af8fd6834876b209b49a25508f5f6cff9c17e265b