[INFO] cloning repository https://github.com/qezz/glium-shadowmapping-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qezz/glium-shadowmapping-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Fglium-shadowmapping-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Fglium-shadowmapping-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81d39c1946a6829a251f65737dffb00cbd1129f7
[INFO] documenting qezz/glium-shadowmapping-test against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Fglium-shadowmapping-test" "/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/qezz/glium-shadowmapping-test on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qezz/glium-shadowmapping-test
[INFO] finished tweaking git repo https://github.com/qezz/glium-shadowmapping-test
[INFO] tweaked toml for git repo https://github.com/qezz/glium-shadowmapping-test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/qezz/glium-shadowmapping-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fb08bc88fef9c857715356322e8f17415f30c03d874208b8cd2e7cf80d7ad5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11fb08bc88fef9c857715356322e8f17415f30c03d874208b8cd2e7cf80d7ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fb08bc88fef9c857715356322e8f17415f30c03d874208b8cd2e7cf80d7ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fb08bc88fef9c857715356322e8f17415f30c03d874208b8cd2e7cf80d7ad5", kill_on_drop: false }`
[INFO] [stdout] 11fb08bc88fef9c857715356322e8f17415f30c03d874208b8cd2e7cf80d7ad5
[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" "+1.46.0" "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] 69291731381b4a4108d9d133d501ed24d0538e9b1817cb7b638df108d6cac11e
[INFO] running `Command { std: "docker" "start" "-a" "69291731381b4a4108d9d133d501ed24d0538e9b1817cb7b638df108d6cac11e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking mint v0.2.0
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking inflate v0.3.2
[INFO] [stderr]    Compiling x11-dl v2.15.0
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling glium v0.17.1
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]     Checking genmesh v0.5.0
[INFO] [stderr]     Checking genmesh v0.4.3
[INFO] [stderr]     Checking obj v0.8.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.7.0
[INFO] [stderr]     Checking winit v0.7.6
[INFO] [stderr]  Documenting glium-shadow-mapping 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(slice_patterns)]
[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 `glium-shadow-mapping`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name glium_shadow_mapping src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="glutin"' --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-71800529760efee1.rmeta --extern genmesh=/opt/rustwide/target/debug/deps/libgenmesh-457c9810859a2a06.rmeta --extern glium=/opt/rustwide/target/debug/deps/libglium-eb2eb9b778a1a618.rmeta --extern glutin=/opt/rustwide/target/debug/deps/libglutin-a78e3a65a31828f6.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-0986cdb680e03f8a.rmeta --extern obj=/opt/rustwide/target/debug/deps/libobj-85ca9edf6c4ac86e.rmeta --extern wavefront_obj=/opt/rustwide/target/debug/deps/libwavefront_obj-2217c2f2b3bbbd9c.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "69291731381b4a4108d9d133d501ed24d0538e9b1817cb7b638df108d6cac11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69291731381b4a4108d9d133d501ed24d0538e9b1817cb7b638df108d6cac11e", kill_on_drop: false }`
[INFO] [stdout] 69291731381b4a4108d9d133d501ed24d0538e9b1817cb7b638df108d6cac11e