[INFO] cloning repository https://github.com/velvetops/mandelbrot
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86990510289e881f5e1fb12b21a902d1c41d068d
[INFO] testing velvetops/mandelbrot against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvelvetops%2Fmandelbrot" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  44% (649/1445)
Updating files:  45% (651/1445)
Updating files:  46% (665/1445)
Updating files:  47% (680/1445)
Updating files:  48% (694/1445)
Updating files:  49% (709/1445)
Updating files:  50% (723/1445)
Updating files:  51% (737/1445)
Updating files:  52% (752/1445)
Updating files:  53% (766/1445)
Updating files:  54% (781/1445)
Updating files:  55% (795/1445)
Updating files:  56% (810/1445)
Updating files:  57% (824/1445)
Updating files:  58% (839/1445)
Updating files:  59% (853/1445)
Updating files:  60% (867/1445)
Updating files:  61% (882/1445)
Updating files:  62% (896/1445)
Updating files:  63% (911/1445)
Updating files:  64% (925/1445)
Updating files:  65% (940/1445)
Updating files:  66% (954/1445)
Updating files:  67% (969/1445)
Updating files:  68% (983/1445)
Updating files:  69% (998/1445)
Updating files:  70% (1012/1445)
Updating files:  71% (1026/1445)
Updating files:  72% (1041/1445)
Updating files:  73% (1055/1445)
Updating files:  74% (1070/1445)
Updating files:  75% (1084/1445)
Updating files:  76% (1099/1445)
Updating files:  77% (1113/1445)
Updating files:  78% (1128/1445)
Updating files:  79% (1142/1445)
Updating files:  80% (1156/1445)
Updating files:  81% (1171/1445)
Updating files:  82% (1185/1445)
Updating files:  83% (1200/1445)
Updating files:  84% (1214/1445)
Updating files:  85% (1229/1445)
Updating files:  86% (1243/1445)
Updating files:  87% (1258/1445)
Updating files:  88% (1272/1445)
Updating files:  89% (1287/1445)
Updating files:  90% (1301/1445)
Updating files:  91% (1315/1445)
Updating files:  92% (1330/1445)
Updating files:  93% (1344/1445)
Updating files:  94% (1359/1445)
Updating files:  94% (1365/1445)
Updating files:  95% (1373/1445)
Updating files:  96% (1388/1445)
Updating files:  97% (1402/1445)
Updating files:  98% (1417/1445)
Updating files:  99% (1431/1445)
Updating files: 100% (1445/1445)
Updating files: 100% (1445/1445), done.
[INFO] validating manifest of git repo https://github.com/velvetops/mandelbrot on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] crate git repo https://github.com/velvetops/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cd57bbed22aa2f35f5d88fe51f87631e06c7bd9c6e3cc6d90d71fbaa09644e9
[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" "0cd57bbed22aa2f35f5d88fe51f87631e06c7bd9c6e3cc6d90d71fbaa09644e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cd57bbed22aa2f35f5d88fe51f87631e06c7bd9c6e3cc6d90d71fbaa09644e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd57bbed22aa2f35f5d88fe51f87631e06c7bd9c6e3cc6d90d71fbaa09644e9", kill_on_drop: false }`
[INFO] [stdout] 0cd57bbed22aa2f35f5d88fe51f87631e06c7bd9c6e3cc6d90d71fbaa09644e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33cfbcf44787a2ffcf001d06efebdf482c01b4648154065c256402e43cf66005
[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" "33cfbcf44787a2ffcf001d06efebdf482c01b4648154065c256402e43cf66005", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[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 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 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 piston_window v0.80.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `<<`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | <<<<<<< HEAD
[INFO] [stdout]   | ^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "33cfbcf44787a2ffcf001d06efebdf482c01b4648154065c256402e43cf66005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cfbcf44787a2ffcf001d06efebdf482c01b4648154065c256402e43cf66005", kill_on_drop: false }`
[INFO] [stdout] 33cfbcf44787a2ffcf001d06efebdf482c01b4648154065c256402e43cf66005