[INFO] cloning repository https://github.com/huxs/rust-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huxs/rust-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuxs%2Frust-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuxs%2Frust-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26bcbc85407f10b013a216178a9c7f65a03d2d77
[INFO] documenting huxs/rust-raytracer against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuxs%2Frust-raytracer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huxs/rust-raytracer on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huxs/rust-raytracer
[INFO] finished tweaking git repo https://github.com/huxs/rust-raytracer
[INFO] tweaked toml for git repo https://github.com/huxs/rust-raytracer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/huxs/rust-raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9fc72eb35b691c8b9fd8427170515f22e51c503781aced979228fb6583d3ce8
[INFO] running `Command { std: "docker" "start" "-a" "a9fc72eb35b691c8b9fd8427170515f22e51c503781aced979228fb6583d3ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9fc72eb35b691c8b9fd8427170515f22e51c503781aced979228fb6583d3ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fc72eb35b691c8b9fd8427170515f22e51c503781aced979228fb6583d3ce8", kill_on_drop: false }`
[INFO] [stdout] a9fc72eb35b691c8b9fd8427170515f22e51c503781aced979228fb6583d3ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22785c0e43c33c3ce4a2dbcde79528676bc0b89292757b132aabb1725b152f1c
[INFO] running `Command { std: "docker" "start" "-a" "22785c0e43c33c3ce4a2dbcde79528676bc0b89292757b132aabb1725b152f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `raytracer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name raytracer src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=a1dfab99a6499a93 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-0e40b9869b9a6606.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-852e08b626f3f006.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "22785c0e43c33c3ce4a2dbcde79528676bc0b89292757b132aabb1725b152f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22785c0e43c33c3ce4a2dbcde79528676bc0b89292757b132aabb1725b152f1c", kill_on_drop: false }`
[INFO] [stdout] 22785c0e43c33c3ce4a2dbcde79528676bc0b89292757b132aabb1725b152f1c
