[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 master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Ffractal_tree" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aarroyoc/fractal_tree on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "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-7/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" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lyon_core v0.8.0
[INFO] [stderr]   Downloaded serde v1.0.15
[INFO] [stderr]   Downloaded heapsize v0.4.1
[INFO] [stderr]   Downloaded palette v0.2.1
[INFO] [stderr]   Downloaded lyon_svg v0.8.0
[INFO] [stderr]   Downloaded lyon_path_builder v0.8.0
[INFO] [stderr]   Downloaded lyon v0.8.3
[INFO] [stderr]   Downloaded lyon_path v0.8.0
[INFO] [stderr]   Downloaded glutin v0.10.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.14.4
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded svgparser v0.4.3
[INFO] [stderr]   Downloaded either v1.3.0
[INFO] [stderr]   Downloaded gfx_window_glutin v0.18.0
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded lyon_tessellation v0.8.3
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded lyon_bezier v0.8.0
[INFO] [stderr]   Downloaded nodrop v0.1.10
[INFO] [stderr]   Downloaded lyon_path_iterator v0.8.0
[INFO] [stderr]   Downloaded sid v0.5.0
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded lyon_extra v0.8.1
[INFO] [stderr]   Downloaded euclid v0.15.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 161b1c6e25c12eb1e4a7e335c0770dd93530faaf016558d89b3ae288938db4c9
[INFO] running `Command { std: "docker" "start" "-a" "161b1c6e25c12eb1e4a7e335c0770dd93530faaf016558d89b3ae288938db4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161b1c6e25c12eb1e4a7e335c0770dd93530faaf016558d89b3ae288938db4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161b1c6e25c12eb1e4a7e335c0770dd93530faaf016558d89b3ae288938db4c9", kill_on_drop: false }`
[INFO] [stdout] 161b1c6e25c12eb1e4a7e335c0770dd93530faaf016558d89b3ae288938db4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a56fbd2645651c04ba21e96a222c29777e52461af60b6e40baf0e7aa44b594e
[INFO] running `Command { std: "docker" "start" "-a" "5a56fbd2645651c04ba21e96a222c29777e52461af60b6e40baf0e7aa44b594e", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking nodrop v0.1.10
[INFO] [stderr]     Checking draw_state v0.7.1
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking sid v0.5.0
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling x11-dl v2.15.0
[INFO] [stderr]    Compiling wayland-scanner v0.9.10
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking svgparser v0.4.3
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.10.0
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking euclid v0.15.3
[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]     Checking lyon v0.8.3
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking gfx_core v0.7.2
[INFO] [stderr]     Checking gfx_device_gl v0.14.4
[INFO] [stderr]     Checking gfx v0.16.1
[INFO] [stderr] error: could not compile `target_build_utils`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name target_build_utils /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/target_build_utils-0.3.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="serde_json"' -C metadata=7076d28efc0da577 -C extra-filename=-7076d28efc0da577 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern phf=/opt/rustwide/target/debug/deps/libphf-5a086649b28d0e41.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-bc85d4f78beaea9e.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a56fbd2645651c04ba21e96a222c29777e52461af60b6e40baf0e7aa44b594e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a56fbd2645651c04ba21e96a222c29777e52461af60b6e40baf0e7aa44b594e", kill_on_drop: false }`
[INFO] [stdout] 5a56fbd2645651c04ba21e96a222c29777e52461af60b6e40baf0e7aa44b594e