[INFO] cloning repository https://github.com/sclolus/Raymarcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sclolus/Raymarcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsclolus%2FRaymarcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsclolus%2FRaymarcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a841430f0e9c4b813cd2d3704a9fe30aff07190
[INFO] documenting sclolus/Raymarcher against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsclolus%2FRaymarcher" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sclolus/Raymarcher on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sclolus/Raymarcher
[INFO] finished tweaking git repo https://github.com/sclolus/Raymarcher
[INFO] tweaked toml for git repo https://github.com/sclolus/Raymarcher written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sclolus/Raymarcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8eea7d00c0acd1764bd0cc279dd6ad232c64d68a8964d9c1a801f4205c9c2f1
[INFO] running `Command { std: "docker" "start" "-a" "c8eea7d00c0acd1764bd0cc279dd6ad232c64d68a8964d9c1a801f4205c9c2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8eea7d00c0acd1764bd0cc279dd6ad232c64d68a8964d9c1a801f4205c9c2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8eea7d00c0acd1764bd0cc279dd6ad232c64d68a8964d9c1a801f4205c9c2f1", kill_on_drop: false }`
[INFO] [stdout] c8eea7d00c0acd1764bd0cc279dd6ad232c64d68a8964d9c1a801f4205c9c2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63c525913f0c4e4185cb270437afbf9fd7f54cbcdfe682768ffc0bcba9b1e22d
[INFO] running `Command { std: "docker" "start" "-a" "63c525913f0c4e4185cb270437afbf9fd7f54cbcdfe682768ffc0bcba9b1e22d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
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[INFO] [stderr]     Checking arrayvec v0.5.1
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[INFO] [stderr]     Checking piston-float v1.0.0
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[INFO] [stderr]    Compiling pkg-config v0.3.17
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[INFO] [stderr]    Compiling cgmath v0.17.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
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[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking walkdir v2.2.9
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]    Compiling wayland-scanner v0.21.13
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[INFO] [stderr]     Checking ordered-float v1.0.2
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[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking glfw v0.34.0
[INFO] [stderr]     Checking wavefront_obj v7.0.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling luminance-derive v0.5.2
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking luminance v0.38.0
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking luminance-windowing v0.8.1
[INFO] [stderr]     Checking luminance-glfw v0.12.0
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking piston-gfx_texture v0.40.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.66.0
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston_window v0.105.0
[INFO] [stderr]  Documenting Raymarcher 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(clamp)]
[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 `Raymarcher`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name Raymarcher 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 cgmath=/opt/rustwide/target/debug/deps/libcgmath-09c7ab73012bc8c5.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-a776c915432457a1.rmeta --extern fps_counter=/opt/rustwide/target/debug/deps/libfps_counter-adb9d38bebf3f324.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1b53669f640bf8d7.rmeta --extern luminance=/opt/rustwide/target/debug/deps/libluminance-8a3560c030c1525d.rmeta --extern luminance_derive=/opt/rustwide/target/debug/deps/libluminance_derive-05cf83b951042313.so --extern luminance_glfw=/opt/rustwide/target/debug/deps/libluminance_glfw-bfac65ff4cf7ad97.rmeta --extern piston=/opt/rustwide/target/debug/deps/libpiston-9f7ce5a262f4ba55.rmeta --extern piston_window=/opt/rustwide/target/debug/deps/libpiston_window-cb8c0b582db6786a.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-b01c3f431a59b6b0.rmeta --extern wavefront_obj=/opt/rustwide/target/debug/deps/libwavefront_obj-f3afd82efb48fe47.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "63c525913f0c4e4185cb270437afbf9fd7f54cbcdfe682768ffc0bcba9b1e22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c525913f0c4e4185cb270437afbf9fd7f54cbcdfe682768ffc0bcba9b1e22d", kill_on_drop: false }`
[INFO] [stdout] 63c525913f0c4e4185cb270437afbf9fd7f54cbcdfe682768ffc0bcba9b1e22d
