[INFO] cloning repository https://github.com/shiMusa/Simple-Conrod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shiMusa/Simple-Conrod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshiMusa%2FSimple-Conrod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshiMusa%2FSimple-Conrod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4376f5dce5c7c19411fb40494e79a53616ea4b7a
[INFO] documenting shiMusa/Simple-Conrod 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%2FshiMusa%2FSimple-Conrod" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shiMusa/Simple-Conrod 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/shiMusa/Simple-Conrod
[INFO] finished tweaking git repo https://github.com/shiMusa/Simple-Conrod
[INFO] tweaked toml for git repo https://github.com/shiMusa/Simple-Conrod written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/shiMusa/Simple-Conrod 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]  Downloading crates ...
[INFO] [stderr]   Downloaded petgraph v0.4.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c208782b1737c7e8349135f1564b32646b38fe0a6bf25c6b85568ddc8470b777
[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" "c208782b1737c7e8349135f1564b32646b38fe0a6bf25c6b85568ddc8470b777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c208782b1737c7e8349135f1564b32646b38fe0a6bf25c6b85568ddc8470b777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c208782b1737c7e8349135f1564b32646b38fe0a6bf25c6b85568ddc8470b777", kill_on_drop: false }`
[INFO] [stdout] c208782b1737c7e8349135f1564b32646b38fe0a6bf25c6b85568ddc8470b777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4530af079a4eec7c0aabfaa47277268b4502f3fb9b413d01bad3b870f5c0a1c6
[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" "4530af079a4eec7c0aabfaa47277268b4502f3fb9b413d01bad3b870f5c0a1c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling conrod_derive v0.1.0
[INFO] [stderr]     Checking petgraph v0.4.11
[INFO] [stderr]     Checking stb_truetype v0.2.1
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.17.2
[INFO] [stderr]     Checking dlib v0.4.0
[INFO] [stderr]     Checking rusttype v0.3.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.12.0
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking conrod v0.57.0 (https://github.com/PistonDevelopers/conrod.git#db1372f1)
[INFO] [stderr]  Documenting conrod_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(duration_extras)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(use_extern_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `conrod_test`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name sabi src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern conrod=/opt/rustwide/target/debug/deps/libconrod-9dc0bfe9a79396c1.rmeta --extern find_folder=/opt/rustwide/target/debug/deps/libfind_folder-dfcbcb2471a6c1c0.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-34d8f53389bfe16d.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-d4c6c087915b402a.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-7239098c63c08447.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "4530af079a4eec7c0aabfaa47277268b4502f3fb9b413d01bad3b870f5c0a1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4530af079a4eec7c0aabfaa47277268b4502f3fb9b413d01bad3b870f5c0a1c6", kill_on_drop: false }`
[INFO] [stdout] 4530af079a4eec7c0aabfaa47277268b4502f3fb9b413d01bad3b870f5c0a1c6