[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 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Fglium-shadowmapping-test" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qezz/glium-shadowmapping-test on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3c397d1d6618c61f25c128b50c2cda91de2f4233152dd500722d47698376a9b
[INFO] running `Command { std: "docker" "start" "-a" "b3c397d1d6618c61f25c128b50c2cda91de2f4233152dd500722d47698376a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3c397d1d6618c61f25c128b50c2cda91de2f4233152dd500722d47698376a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c397d1d6618c61f25c128b50c2cda91de2f4233152dd500722d47698376a9b", kill_on_drop: false }`
[INFO] [stdout] b3c397d1d6618c61f25c128b50c2cda91de2f4233152dd500722d47698376a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd045c9f7b73d5bc887bd1bb92cc49cf907c864b316ab6576b45096286a79ca2
[INFO] running `Command { std: "docker" "start" "-a" "bd045c9f7b73d5bc887bd1bb92cc49cf907c864b316ab6576b45096286a79ca2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking mint v0.2.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling x11-dl v2.15.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking inflate v0.3.2
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]    Compiling gl_generator v0.5.5
[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 osmesa-sys v0.1.2
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling glium v0.17.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[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]     Checking backtrace v0.3.3
[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 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]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[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-99e1d375591365bb.rmeta --extern genmesh=/opt/rustwide/target/debug/deps/libgenmesh-86a9041990820f3f.rmeta --extern glium=/opt/rustwide/target/debug/deps/libglium-54a118a364067571.rmeta --extern glutin=/opt/rustwide/target/debug/deps/libglutin-7b8b90d02621c79b.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-af90d8a8f3b6dd24.rmeta --extern obj=/opt/rustwide/target/debug/deps/libobj-a9fd62fa26a08d45.rmeta --extern wavefront_obj=/opt/rustwide/target/debug/deps/libwavefront_obj-c2559a3abaeb5b02.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bd045c9f7b73d5bc887bd1bb92cc49cf907c864b316ab6576b45096286a79ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd045c9f7b73d5bc887bd1bb92cc49cf907c864b316ab6576b45096286a79ca2", kill_on_drop: false }`
[INFO] [stdout] bd045c9f7b73d5bc887bd1bb92cc49cf907c864b316ab6576b45096286a79ca2
