[INFO] cloning repository https://github.com/etok414/fractal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etok414/fractal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetok414%2Ffractal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetok414%2Ffractal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25619b1c01c4e8a05c9848b3a30acfc6f03a3efb
[INFO] documenting etok414/fractal against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetok414%2Ffractal" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/etok414/fractal on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/etok414/fractal
[INFO] finished tweaking git repo https://github.com/etok414/fractal
[INFO] tweaked toml for git repo https://github.com/etok414/fractal written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/etok414/fractal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/nannou-org/nannou`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lyon_path v0.14.0
[INFO] [stderr]   Downloaded palette v0.4.1
[INFO] [stderr]   Downloaded crossbeam v0.5.0
[INFO] [stderr]   Downloaded rust-argon2 v0.5.0
[INFO] [stderr]   Downloaded noise v0.5.1
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded objc_exception v0.1.1
[INFO] [stderr]   Downloaded shaderc v0.5.1
[INFO] [stderr]   Downloaded instant v0.1.1
[INFO] [stderr]   Downloaded getrandom v0.1.8
[INFO] [stderr]   Downloaded palette_derive v0.4.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.48
[INFO] [stderr]   Downloaded pennereq v0.3.0
[INFO] [stderr]   Downloaded lyon_tessellation v0.14.1
[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded winit v0.19.2
[INFO] [stderr]   Downloaded lyon_algorithms v0.14.0
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded half v1.3.0
[INFO] [stderr]   Downloaded shaderc-sys v0.5.1
[INFO] [stderr]   Downloaded curl-sys v0.4.20
[INFO] [stderr]   Downloaded curl v0.4.22
[INFO] [stderr]   Downloaded conrod_winit v0.66.0
[INFO] [stderr]   Downloaded euclid v0.20.1
[INFO] [stderr]   Downloaded conrod_derive v0.66.0
[INFO] [stderr]   Downloaded conrod_vulkano v0.66.0
[INFO] [stderr]   Downloaded lyon v0.14.1
[INFO] [stderr]   Downloaded sid v0.5.2
[INFO] [stderr]   Downloaded moltenvk_deps v0.1.8
[INFO] [stderr]   Downloaded metal v0.13.1
[INFO] [stderr]   Downloaded conrod_core v0.66.0
[INFO] [stderr]   Downloaded lyon_geom v0.14.0
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[INFO] [stderr]   Downloaded cmake v0.1.41
[INFO] [stderr]   Downloaded env_perm v0.1.3
[INFO] [stderr]   Downloaded vulkano-win v0.13.0
[INFO] [stderr]   Downloaded pbr v1.0.1
[INFO] [stderr]   Downloaded vulkano-shaders v0.13.0
[INFO] [stderr]   Downloaded vulkano v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe081e2cbf549e9dc3cbedea8d2474ef29e1c036f53aeeda38ec9ed950e757d9
[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" "fe081e2cbf549e9dc3cbedea8d2474ef29e1c036f53aeeda38ec9ed950e757d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe081e2cbf549e9dc3cbedea8d2474ef29e1c036f53aeeda38ec9ed950e757d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe081e2cbf549e9dc3cbedea8d2474ef29e1c036f53aeeda38ec9ed950e757d9", kill_on_drop: false }`
[INFO] [stdout] fe081e2cbf549e9dc3cbedea8d2474ef29e1c036f53aeeda38ec9ed950e757d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22402fc506b2483e6b93c833210b3def3b5714a3874dd8c730a797969c4f3e70
[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" "22402fc506b2483e6b93c833210b3def3b5714a3874dd8c730a797969c4f3e70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling vulkano v0.13.0
[INFO] [stderr]     Checking instant v0.1.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking conrod_winit v0.66.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking euclid v0.20.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking pennereq v0.3.0
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling conrod_derive v0.66.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking lyon_geom v0.14.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking lyon_tessellation v0.14.1
[INFO] [stderr]     Checking lyon_algorithms v0.14.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking lyon v0.14.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr] error: could not compile `nix`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=df18e3b410ecea77 -C extra-filename=-df18e3b410ecea77 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-cef6f26d48807812.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-2fa2280d11a4bc85.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-10d83d0e8e2c103f.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-0ccfc045111cba9c.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "22402fc506b2483e6b93c833210b3def3b5714a3874dd8c730a797969c4f3e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22402fc506b2483e6b93c833210b3def3b5714a3874dd8c730a797969c4f3e70", kill_on_drop: false }`
[INFO] [stdout] 22402fc506b2483e6b93c833210b3def3b5714a3874dd8c730a797969c4f3e70