[INFO] cloning repository https://github.com/seansfkelley/terrain-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seansfkelley/terrain-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseansfkelley%2Fterrain-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseansfkelley%2Fterrain-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af734a187617c3b69b381788bf0b91fafd91d3fd
[INFO] documenting seansfkelley/terrain-generator against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseansfkelley%2Fterrain-generator" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seansfkelley/terrain-generator on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seansfkelley/terrain-generator
[INFO] finished tweaking git repo https://github.com/seansfkelley/terrain-generator
[INFO] tweaked toml for git repo https://github.com/seansfkelley/terrain-generator written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/seansfkelley/terrain-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/bjz/glfw-rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl v0.6.3
[INFO] [stderr]   Downloaded cc v1.0.1
[INFO] [stderr]   Downloaded image v0.17.0
[INFO] [stderr]   Downloaded xml-rs v0.6.2
[INFO] [stderr]   Downloaded cmake v0.1.26
[INFO] [stderr]   Downloaded bitflags v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08fe96f056830012b7794132a81b6fa6be71f0737f16b0dd4183b70bd39e5e93
[INFO] running `Command { std: "docker" "start" "-a" "08fe96f056830012b7794132a81b6fa6be71f0737f16b0dd4183b70bd39e5e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08fe96f056830012b7794132a81b6fa6be71f0737f16b0dd4183b70bd39e5e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fe96f056830012b7794132a81b6fa6be71f0737f16b0dd4183b70bd39e5e93", kill_on_drop: false }`
[INFO] [stdout] 08fe96f056830012b7794132a81b6fa6be71f0737f16b0dd4183b70bd39e5e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f97e7a683230450cf9e85b9bda4315facc37e5ad3bc5288d232fee2e453504d
[INFO] running `Command { std: "docker" "start" "-a" "3f97e7a683230450cf9e85b9bda4315facc37e5ad3bc5288d232fee2e453504d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking either v1.3.0
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking inflate v0.3.3
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.6.2
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling cmake v0.1.26
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]     Checking image v0.17.0
[INFO] [stderr]     Checking glm v0.2.3
[INFO] [stderr]     Checking glfw v0.18.0 (https://github.com/bjz/glfw-rs.git#3bc2f8b2)
[INFO] [stderr]  Documenting terrain-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(libc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `terrain-generator`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name terrain_generator src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-863818b3e11621e3.rmeta --extern gl=/opt/rustwide/target/debug/deps/libgl-c749fabbfaf2364d.rmeta --extern glfw=/opt/rustwide/target/debug/deps/libglfw-156eaa17c69c6831.rmeta --extern glm=/opt/rustwide/target/debug/deps/libglm-fcab172f713652e3.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-8bfdb67b6d686c41.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3c3a061881e035d2.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3863011b27dde989.rmeta --extern multimap=/opt/rustwide/target/debug/deps/libmultimap-826ed157b6e8cf8e.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-d8c46b3d5cd6f8c8.rmeta --extern wavefront_obj=/opt/rustwide/target/debug/deps/libwavefront_obj-38d90e45d8ad3df1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3f97e7a683230450cf9e85b9bda4315facc37e5ad3bc5288d232fee2e453504d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f97e7a683230450cf9e85b9bda4315facc37e5ad3bc5288d232fee2e453504d", kill_on_drop: false }`
[INFO] [stdout] 3f97e7a683230450cf9e85b9bda4315facc37e5ad3bc5288d232fee2e453504d
