[INFO] cloning repository https://github.com/NiklasJonsson/rusterizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NiklasJonsson/rusterizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasJonsson%2Frusterizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasJonsson%2Frusterizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5d715a91bdfa5b6f572266521e7693ebb056277
[INFO] documenting NiklasJonsson/rusterizer against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasJonsson%2Frusterizer" "/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/NiklasJonsson/rusterizer on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NiklasJonsson/rusterizer
[INFO] finished tweaking git repo https://github.com/NiklasJonsson/rusterizer
[INFO] tweaked toml for git repo https://github.com/NiklasJonsson/rusterizer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/NiklasJonsson/rusterizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-commons v0.25.0
[INFO] [stderr]   Downloaded xkbcommon-sys v0.7.4
[INFO] [stderr]   Downloaded minifb v0.16.0
[INFO] [stderr]   Downloaded wayland-scanner v0.25.0
[INFO] [stderr]   Downloaded wayland-cursor v0.25.0
[INFO] [stderr]   Downloaded wayland-client v0.25.0
[INFO] [stderr]   Downloaded wayland-sys v0.25.0
[INFO] [stderr]   Downloaded wayland-protocols v0.25.0
[INFO] [stderr]   Downloaded xkb v0.2.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 057ceab9eb1100d995b50874e07b42803cf32537c68028e21c3207d63f76b11e
[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" "057ceab9eb1100d995b50874e07b42803cf32537c68028e21c3207d63f76b11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057ceab9eb1100d995b50874e07b42803cf32537c68028e21c3207d63f76b11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057ceab9eb1100d995b50874e07b42803cf32537c68028e21c3207d63f76b11e", kill_on_drop: false }`
[INFO] [stdout] 057ceab9eb1100d995b50874e07b42803cf32537c68028e21c3207d63f76b11e
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4086089bb6215be9b3887d9a45d615711773f913c1dcfddca3a026a16e1a5aa3
[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" "4086089bb6215be9b3887d9a45d615711773f913c1dcfddca3a026a16e1a5aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling minifb v0.16.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling wayland-scanner v0.25.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking wayland-sys v0.25.0
[INFO] [stderr]     Checking wayland-commons v0.25.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling wayland-client v0.25.0
[INFO] [stderr]    Compiling wayland-protocols v0.25.0
[INFO] [stderr]     Checking wayland-cursor v0.25.0
[INFO] [stderr]  Documenting rusterizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unsized_locals)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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 4 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 `rusterizer`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rusterizer 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 minifb=/opt/rustwide/target/debug/deps/libminifb-2b01d3208270e63d.rmeta --extern png=/opt/rustwide/target/debug/deps/libpng-1d30427de9b6f454.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "4086089bb6215be9b3887d9a45d615711773f913c1dcfddca3a026a16e1a5aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4086089bb6215be9b3887d9a45d615711773f913c1dcfddca3a026a16e1a5aa3", kill_on_drop: false }`
[INFO] [stdout] 4086089bb6215be9b3887d9a45d615711773f913c1dcfddca3a026a16e1a5aa3