[INFO] cloning repository https://github.com/dhairyanadapara/mandelbrot-cli [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhairyanadapara/mandelbrot-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhairyanadapara%2Fmandelbrot-cli", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhairyanadapara%2Fmandelbrot-cli'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6834b576f18202045008006a54cf227c15b21c28 [INFO] checking dhairyanadapara/mandelbrot-cli against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhairyanadapara%2Fmandelbrot-cli" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dhairyanadapara/mandelbrot-cli [INFO] finished tweaking git repo https://github.com/dhairyanadapara/mandelbrot-cli [INFO] tweaked toml for git repo https://github.com/dhairyanadapara/mandelbrot-cli written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dhairyanadapara/mandelbrot-cli on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/dhairyanadapara/mandelbrot-cli already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed469e71216eee55561bc0f09847319e48473cf212554f5ea41e69d23dfc58c7 [INFO] running `Command { std: "docker" "start" "-a" "ed469e71216eee55561bc0f09847319e48473cf212554f5ea41e69d23dfc58c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed469e71216eee55561bc0f09847319e48473cf212554f5ea41e69d23dfc58c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed469e71216eee55561bc0f09847319e48473cf212554f5ea41e69d23dfc58c7", kill_on_drop: false }` [INFO] [stdout] ed469e71216eee55561bc0f09847319e48473cf212554f5ea41e69d23dfc58c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e2e67c5a6d26049e31287d636cff0a08726dcb58996de8ded9ef326c3316f61 [INFO] running `Command { std: "docker" "start" "-a" "9e2e67c5a6d26049e31287d636cff0a08726dcb58996de8ded9ef326c3316f61", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | write_image(&args[1], &pixels, bounds); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = write_image(&args[1], &pixels, bounds); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | write_image(&args[1], &pixels, bounds); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = write_image(&args[1], &pixels, bounds); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.70s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 14` [INFO] running `Command { std: "docker" "inspect" "9e2e67c5a6d26049e31287d636cff0a08726dcb58996de8ded9ef326c3316f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e2e67c5a6d26049e31287d636cff0a08726dcb58996de8ded9ef326c3316f61", kill_on_drop: false }` [INFO] [stdout] 9e2e67c5a6d26049e31287d636cff0a08726dcb58996de8ded9ef326c3316f61