[INFO] cloning repository https://github.com/velvetops/mandelbrot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/velvetops/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fmandelbrot"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fmandelbrot'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86990510289e881f5e1fb12b21a902d1c41d068d
[INFO] testing velvetops/mandelbrot against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fmandelbrot" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  46% (670/1445)   
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Checking out files: 100% (1445/1445), done.
[INFO] validating manifest of git repo https://github.com/velvetops/mandelbrot on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/velvetops/mandelbrot
[INFO] finished tweaking git repo https://github.com/velvetops/mandelbrot
[INFO] tweaked toml for git repo https://github.com/velvetops/mandelbrot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/velvetops/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 627bc47450b18855aac0cac4d86b19553946360f1affa7930168c52ca59c614f
[INFO] running `"docker" "start" "-a" "627bc47450b18855aac0cac4d86b19553946360f1affa7930168c52ca59c614f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling token_store v0.1.2
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.47.0
[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling piston-gfx_texture v0.32.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.51.0
[INFO] [stderr]    Compiling piston_window v0.80.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected identifier, found `<<`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | <<<<<<< HEAD
[INFO] [stderr]   | ^^ expected identifier
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `mandelbrot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "627bc47450b18855aac0cac4d86b19553946360f1affa7930168c52ca59c614f"`
[INFO] running `"docker" "rm" "-f" "627bc47450b18855aac0cac4d86b19553946360f1affa7930168c52ca59c614f"`
[INFO] [stdout] 627bc47450b18855aac0cac4d86b19553946360f1affa7930168c52ca59c614f