[INFO] cloning repository https://github.com/aarroyoc/fractal_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aarroyoc/fractal_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Ffractal_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Ffractal_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f264ac80c33e8a185a27e82f19aa8fbcbf07636e
[INFO] checking aarroyoc/fractal_tree against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Ffractal_tree" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aarroyoc/fractal_tree on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aarroyoc/fractal_tree
[INFO] finished tweaking git repo https://github.com/aarroyoc/fractal_tree
[INFO] tweaked toml for git repo https://github.com/aarroyoc/fractal_tree written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aarroyoc/fractal_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lyon_extra v0.8.1
[INFO] [stderr]   Downloaded lyon_svg v0.8.0
[INFO] [stderr]   Downloaded lyon_path v0.8.0
[INFO] [stderr]   Downloaded lyon_path_builder v0.8.0
[INFO] [stderr]   Downloaded lyon_path_iterator v0.8.0
[INFO] [stderr]   Downloaded nodrop v0.1.10
[INFO] [stderr]   Downloaded lyon v0.8.3
[INFO] [stderr]   Downloaded lyon_bezier v0.8.0
[INFO] [stderr]   Downloaded euclid v0.15.3
[INFO] [stderr]   Downloaded lyon_tessellation v0.8.3
[INFO] running `Command { std: "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" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 385b5430b6f512c8f620214d90fd865e95eb698de1f570efdf54fef83db32977
[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" "385b5430b6f512c8f620214d90fd865e95eb698de1f570efdf54fef83db32977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "385b5430b6f512c8f620214d90fd865e95eb698de1f570efdf54fef83db32977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385b5430b6f512c8f620214d90fd865e95eb698de1f570efdf54fef83db32977", kill_on_drop: false }`
[INFO] [stdout] 385b5430b6f512c8f620214d90fd865e95eb698de1f570efdf54fef83db32977
[INFO] running `Command { std: "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" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a975fdaa672ad1cf3c846184e87e6258c74336616847517412f36f43a8d780
[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" "f1a975fdaa672ad1cf3c846184e87e6258c74336616847517412f36f43a8d780", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking sid v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.15.0
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.10.0
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking nodrop v0.1.10
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking svgparser v0.4.3
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking euclid v0.15.3
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking lyon_bezier v0.8.0
[INFO] [stderr]     Checking lyon_core v0.8.0
[INFO] [stderr]     Checking lyon_path_builder v0.8.0
[INFO] [stderr]     Checking lyon_path_iterator v0.8.0
[INFO] [stderr]     Checking lyon_path v0.8.0
[INFO] [stderr]     Checking lyon_svg v0.8.0
[INFO] [stderr]     Checking lyon_extra v0.8.1
[INFO] [stderr]     Checking lyon_tessellation v0.8.3
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking lyon v0.8.3
[INFO] [stderr]     Checking gfx_core v0.7.2
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking gfx_device_gl v0.14.4
[INFO] [stderr]     Checking gfx v0.16.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.8.0
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking gfx_window_glutin v0.18.0
[INFO] [stderr]     Checking fractal_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "f1a975fdaa672ad1cf3c846184e87e6258c74336616847517412f36f43a8d780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a975fdaa672ad1cf3c846184e87e6258c74336616847517412f36f43a8d780", kill_on_drop: false }`
[INFO] [stdout] f1a975fdaa672ad1cf3c846184e87e6258c74336616847517412f36f43a8d780