[INFO] cloning repository https://github.com/fkaa/sw-rasterizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkaa/sw-rasterizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fsw-rasterizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fsw-rasterizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9ff9197161a9e4e7dc42ff4a6b883c1422d648f
[INFO] documenting fkaa/sw-rasterizer 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%2Ffkaa%2Fsw-rasterizer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkaa/sw-rasterizer 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/fkaa/sw-rasterizer
[INFO] finished tweaking git repo https://github.com/fkaa/sw-rasterizer
[INFO] tweaked toml for git repo https://github.com/fkaa/sw-rasterizer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fkaa/sw-rasterizer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6443f6d32cca0b6b265bfffc9a282cdaeea5016df5e07c40602ad3f9086832a3
[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" "6443f6d32cca0b6b265bfffc9a282cdaeea5016df5e07c40602ad3f9086832a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6443f6d32cca0b6b265bfffc9a282cdaeea5016df5e07c40602ad3f9086832a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6443f6d32cca0b6b265bfffc9a282cdaeea5016df5e07c40602ad3f9086832a3", kill_on_drop: false }`
[INFO] [stdout] 6443f6d32cca0b6b265bfffc9a282cdaeea5016df5e07c40602ad3f9086832a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] f42bb56ec1366a8c050273c784c7c66810d0a15c2e5a986428e04c7a6f201d25
[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" "f42bb56ec1366a8c050273c784c7c66810d0a15c2e5a986428e04c7a6f201d25", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling phf_shared v0.7.19
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling serde v0.8.17
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling sdl2-sys v0.23.0
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking obj v0.5.0
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]     Checking draw_state v0.6.0
[INFO] [stderr]    Compiling phf v0.7.19
[INFO] [stderr]    Compiling cmake v0.1.18
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking clock_ticks v0.1.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking gfx_core v0.5.0 (https://github.com/gfx-rs/gfx#dae247ce)
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking hprof v0.1.3
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.7.5
[INFO] [stderr]    Compiling phf_generator v0.7.19
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.19
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling serde_json v0.8.3
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking gfx v0.13.0 (https://github.com/gfx-rs/gfx#dae247ce)
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking sdl2 v0.23.0
[INFO] [stderr]    Compiling glfw-sys v3.2.1
[INFO] [stderr]    Compiling wayland-client v0.7.5
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.7.0
[INFO] [stderr]     Checking glfw v0.5.0
[INFO] [stderr]     Checking gfx_device_gl v0.12.0 (https://github.com/gfx-rs/gfx#dae247ce)
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking gfx_window_glfw v0.12.0 (https://github.com/gfx-rs/gfx#dae247ce)
[INFO] [stderr]     Checking gfx_window_sdl v0.4.0 (https://github.com/gfx-rs/gfx#dae247ce)
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.5
[INFO] [stderr]     Checking wayland-kbd v0.6.2
[INFO] [stderr]     Checking wayland-window v0.4.2
[INFO] [stderr]     Checking winit v0.5.5
[INFO] [stderr]     Checking gfx_window_glutin v0.13.1 (https://github.com/gfx-rs/gfx#dae247ce)
[INFO] [stderr]     Checking gfx_app v0.3.0 (https://github.com/gfx-rs/gfx#dae247ce)
[INFO] [stderr]  Documenting sw-rast 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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(step_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `sw-rast`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name sw_rast 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-dee25905ff564a93.rmeta --extern gfx=/opt/rustwide/target/debug/deps/libgfx-36a29636afcbbceb.rmeta --extern gfx_app=/opt/rustwide/target/debug/deps/libgfx_app-629b378497fa9b64.rmeta --extern hprof=/opt/rustwide/target/debug/deps/libhprof-8e7b10f42716d5e6.rmeta --extern obj=/opt/rustwide/target/debug/deps/libobj-bc8662e8004bd887.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "f42bb56ec1366a8c050273c784c7c66810d0a15c2e5a986428e04c7a6f201d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42bb56ec1366a8c050273c784c7c66810d0a15c2e5a986428e04c7a6f201d25", kill_on_drop: false }`
[INFO] [stdout] f42bb56ec1366a8c050273c784c7c66810d0a15c2e5a986428e04c7a6f201d25