[INFO] cloning repository https://github.com/SkyZH/raytracer.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SkyZH/raytracer.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyZH%2Fraytracer.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyZH%2Fraytracer.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0658a8f5b6a8929b53edbb630bc25477c0de3d72
[INFO] documenting SkyZH/raytracer.rs 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%2FSkyZH%2Fraytracer.rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SkyZH/raytracer.rs 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/SkyZH/raytracer.rs
[INFO] finished tweaking git repo https://github.com/SkyZH/raytracer.rs
[INFO] tweaked toml for git repo https://github.com/SkyZH/raytracer.rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SkyZH/raytracer.rs 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinytemplate v1.0.2
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3ac0cbe2ad673cc6ec80c043d452ea7e6f7e4a9c6a0bec85194bf17b13c0453a
[INFO] running `Command { std: "docker" "start" "-a" "3ac0cbe2ad673cc6ec80c043d452ea7e6f7e4a9c6a0bec85194bf17b13c0453a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac0cbe2ad673cc6ec80c043d452ea7e6f7e4a9c6a0bec85194bf17b13c0453a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac0cbe2ad673cc6ec80c043d452ea7e6f7e4a9c6a0bec85194bf17b13c0453a", kill_on_drop: false }`
[INFO] [stdout] 3ac0cbe2ad673cc6ec80c043d452ea7e6f7e4a9c6a0bec85194bf17b13c0453a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 95819001f4bc1db31e4c5d41bed60d317801dabf38cfef106165330cec20cd9b
[INFO] running `Command { std: "docker" "start" "-a" "95819001f4bc1db31e4c5d41bed60d317801dabf38cfef106165330cec20cd9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
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[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
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[INFO] [stderr]     Checking num_cpus v1.11.1
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
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[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling raytracer_codegen v0.1.0 (/opt/rustwide/workdir/raytracer_codegen)
[INFO] [stdout] warning: fields `min` and `max` are never read
[INFO] [stdout]   --> raytracer_codegen/src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct AABB {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     pub min: Vec3,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     pub max: Vec3,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AABB` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]  Documenting raytracer_codegen v0.1.0 (/opt/rustwide/workdir/raytracer_codegen)
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking imageproc v0.21.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]  Documenting raytracer v0.4.0 (/opt/rustwide/workdir/raytracer)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> raytracer/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[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 lib --crate-name raytracer raytracer/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=435ff9a0b90d576d -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-c15942875ee8bcc5.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-35b37088acf42b0f.rmeta --extern imageproc=/opt/rustwide/target/debug/deps/libimageproc-744934aad0f856bd.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c5df200291fd5380.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-c6082bc6efc31856.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-157d742ca635c474.rmeta --extern raytracer_codegen=/opt/rustwide/target/debug/deps/libraytracer_codegen-ced0a9ec21b505f8.so --extern rusttype=/opt/rustwide/target/debug/deps/librusttype-1d834f4f8f11dc00.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-092738e2fa621a06.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-3dadaaacfb4ada54.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "95819001f4bc1db31e4c5d41bed60d317801dabf38cfef106165330cec20cd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95819001f4bc1db31e4c5d41bed60d317801dabf38cfef106165330cec20cd9b", kill_on_drop: false }`
[INFO] [stdout] 95819001f4bc1db31e4c5d41bed60d317801dabf38cfef106165330cec20cd9b
