[INFO] cloning repository https://github.com/Legellon/vulkanalia-tutor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Legellon/vulkanalia-tutor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegellon%2Fvulkanalia-tutor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegellon%2Fvulkanalia-tutor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76c525150051cc9a3c817dd2c2c61eca99de9d4e
[INFO] documenting Legellon/vulkanalia-tutor against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegellon%2Fvulkanalia-tutor" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Legellon/vulkanalia-tutor on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Legellon/vulkanalia-tutor
[INFO] finished tweaking git repo https://github.com/Legellon/vulkanalia-tutor
[INFO] tweaked toml for git repo https://github.com/Legellon/vulkanalia-tutor written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Legellon/vulkanalia-tutor 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra-glm v0.17.0
[INFO] [stderr]   Downloaded simba v0.7.2
[INFO] [stderr]   Downloaded tobj v3.2.3
[INFO] [stderr]   Downloaded vulkanalia-sys v0.16.0
[INFO] [stderr]   Downloaded vulkanalia v0.16.0
[INFO] [stderr]   Downloaded nalgebra v0.31.2
[INFO] [stderr]   Downloaded winit v0.27.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191e56643a2243e3b2abb783d8d82d852532e5cde1b0793b1cf52092ad267211
[INFO] running `Command { std: "docker" "start" "-a" "191e56643a2243e3b2abb783d8d82d852532e5cde1b0793b1cf52092ad267211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191e56643a2243e3b2abb783d8d82d852532e5cde1b0793b1cf52092ad267211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191e56643a2243e3b2abb783d8d82d852532e5cde1b0793b1cf52092ad267211", kill_on_drop: false }`
[INFO] [stdout] 191e56643a2243e3b2abb783d8d82d852532e5cde1b0793b1cf52092ad267211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d33d3a717fadacd49d3457fcd08bd8a7275ea0654528517c325be5eeb2183e4e
[INFO] running `Command { std: "docker" "start" "-a" "d33d3a717fadacd49d3457fcd08bd8a7275ea0654528517c325be5eeb2183e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.136
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking wide v0.7.5
[INFO] [stderr]     Checking png v0.17.6
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking tiny-skia-path v0.7.0
[INFO] [stderr]     Checking memmap2 v0.5.7
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking simba v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.9.4
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking vulkanalia-sys v0.16.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking tobj v3.2.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling foreign-types-macros v0.2.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking calloop v0.10.1
[INFO] [stderr]     Checking nalgebra v0.31.2
[INFO] [stderr]     Checking vulkanalia v0.16.0
[INFO] [stderr]     Checking nalgebra-glm v0.17.0
[INFO] [stderr]     Checking sctk-adwaita v0.4.3
[INFO] [stderr]     Checking winit v0.27.4
[INFO] [stderr]  Documenting vulkan-tutor 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:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `vulkan-tutor`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name vulkan_tutor 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=851545a1e494a484 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-351e8e902f9e86dc.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-900704033b235124.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4c2a46cd83655339.rmeta --extern nalgebra_glm=/opt/rustwide/target/debug/deps/libnalgebra_glm-18b72a1f5e7f696f.rmeta --extern png=/opt/rustwide/target/debug/deps/libpng-8a8b71fcfbe94abc.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-9a67830eeb275322.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-8b737165cae5f7f8.rmeta --extern tobj=/opt/rustwide/target/debug/deps/libtobj-9cc12c14c960958e.rmeta --extern vulkanalia=/opt/rustwide/target/debug/deps/libvulkanalia-4096485528d407a5.rmeta --extern winit=/opt/rustwide/target/debug/deps/libwinit-cedcd3b3979d4913.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d33d3a717fadacd49d3457fcd08bd8a7275ea0654528517c325be5eeb2183e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33d3a717fadacd49d3457fcd08bd8a7275ea0654528517c325be5eeb2183e4e", kill_on_drop: false }`
[INFO] [stdout] d33d3a717fadacd49d3457fcd08bd8a7275ea0654528517c325be5eeb2183e4e
