[INFO] cloning repository https://github.com/rkanati/platformer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rkanati/platformer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Fplatformer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Fplatformer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86b5fdf98cc392345e0b38e28e9da3f6fb119224
[INFO] documenting rkanati/platformer 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%2Frkanati%2Fplatformer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rkanati/platformer 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/rkanati/platformer
[INFO] finished tweaking git repo https://github.com/rkanati/platformer
[INFO] tweaked toml for git repo https://github.com/rkanati/platformer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rkanati/platformer 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ccc904f456c6e83941733986f5a1bb1f0188fe7b9ddf5515f24b13a27d469b9c
[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" "ccc904f456c6e83941733986f5a1bb1f0188fe7b9ddf5515f24b13a27d469b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccc904f456c6e83941733986f5a1bb1f0188fe7b9ddf5515f24b13a27d469b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc904f456c6e83941733986f5a1bb1f0188fe7b9ddf5515f24b13a27d469b9c", kill_on_drop: false }`
[INFO] [stdout] ccc904f456c6e83941733986f5a1bb1f0188fe7b9ddf5515f24b13a27d469b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3fc7bcbc32b9bf2f0c1f8aa82c7235c9168dea92aa22280ea41cb2cb0e6e2966
[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" "3fc7bcbc32b9bf2f0c1f8aa82c7235c9168dea92aa22280ea41cb2cb0e6e2966", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking tiled v0.8.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]     Checking winit v0.20.0-alpha4
[INFO] [stderr]     Checking glutin v0.22.0-alpha5
[INFO] [stderr]  Documenting rust-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 `rust-game`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rust_game src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern gl=/opt/rustwide/target/debug/deps/libgl-359e6ab96c5ed6c6.rmeta --extern glutin=/opt/rustwide/target/debug/deps/libglutin-fab6a09ad8b01325.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-3b19db0bc5dab6b9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-b01f30843b1f032a.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-c6fada7e75b57fb2.rmeta --extern tiled=/opt/rustwide/target/debug/deps/libtiled-10efc1cd019939e2.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "3fc7bcbc32b9bf2f0c1f8aa82c7235c9168dea92aa22280ea41cb2cb0e6e2966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc7bcbc32b9bf2f0c1f8aa82c7235c9168dea92aa22280ea41cb2cb0e6e2966", kill_on_drop: false }`
[INFO] [stdout] 3fc7bcbc32b9bf2f0c1f8aa82c7235c9168dea92aa22280ea41cb2cb0e6e2966