[INFO] cloning repository https://github.com/cedric-h/rpg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cedric-h/rpg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedric-h%2Frpg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcedric-h%2Frpg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21cb1069bce3fb66ce9f1a5ea6180ff79629fbfe
[INFO] documenting cedric-h/rpg 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%2Fcedric-h%2Frpg" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cedric-h/rpg 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/cedric-h/rpg
[INFO] finished tweaking git repo https://github.com/cedric-h/rpg
[INFO] tweaked toml for git repo https://github.com/cedric-h/rpg written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/cedric-h/rpg 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mini-internal v0.1.13
[INFO] [stderr]   Downloaded miniquad_text_rusttype v0.1.2
[INFO] [stderr]   Downloaded miniquad v0.3.0-alpha.22
[INFO] [stderr]   Downloaded miniserde v0.1.13
[INFO] [stderr]   Downloaded glam v0.9.5
[INFO] [stderr]   Downloaded sapp-linux v0.1.9
[INFO] [stderr]   Downloaded ttf-parser v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 39341657d94b88cc7bb0da08481be30ce921498fd42cf9c01294a7cdfed954d2
[INFO] running `Command { std: "docker" "start" "-a" "39341657d94b88cc7bb0da08481be30ce921498fd42cf9c01294a7cdfed954d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39341657d94b88cc7bb0da08481be30ce921498fd42cf9c01294a7cdfed954d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39341657d94b88cc7bb0da08481be30ce921498fd42cf9c01294a7cdfed954d2", kill_on_drop: false }`
[INFO] [stdout] 39341657d94b88cc7bb0da08481be30ce921498fd42cf9c01294a7cdfed954d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] adfe87aefa7275f6fa696486b769b8b66557fe780b8cf6fc98373f730d0c29b4
[INFO] running `Command { std: "docker" "start" "-a" "adfe87aefa7275f6fa696486b769b8b66557fe780b8cf6fc98373f730d0c29b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling sapp-linux v0.1.9
[INFO] [stderr]    Compiling glam v0.9.5
[INFO] [stderr]     Checking ttf-parser v0.8.2
[INFO] [stderr]    Compiling macroquad_macro v0.1.0 (https://github.com/not-fl3/macroquad#2201de80)
[INFO] [stderr]     Checking quad-rand v0.1.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking miniquad_text_rusttype v0.1.2
[INFO] [stderr]     Checking fontdue v0.3.2
[INFO] [stderr]     Checking megaui v0.2.14 (https://github.com/cedric-h/megaui.git?branch=last_item#af008f56)
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.22
[INFO] [stderr]     Checking quad-gl v0.2.11 (https://github.com/not-fl3/macroquad#2201de80)
[INFO] [stderr]     Checking macroquad v0.3.0-alpha.11 (https://github.com/not-fl3/macroquad#2201de80)
[INFO] [stderr]     Checking megaui-macroquad v0.1.2 (https://github.com/not-fl3/megaui-macroquad#ccb791ba)
[INFO] [stderr]    Compiling mini-internal v0.1.13
[INFO] [stderr]    Compiling hecs-macros v0.4.0 (https://github.com/Ralith/hecs#e78a46a0)
[INFO] [stderr]     Checking miniserde v0.1.13
[INFO] [stderr]     Checking hecs v0.3.0 (https://github.com/Ralith/hecs#e78a46a0)
[INFO] [stderr]  Documenting rpg 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(drain_filter)]
[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(array_map)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(result_copied)]
[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 `rpg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rpg 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 fxhash=/opt/rustwide/target/debug/deps/libfxhash-b13917235399b8e5.rmeta --extern hecs=/opt/rustwide/target/debug/deps/libhecs-a378f10465956d72.rmeta --extern macroquad=/opt/rustwide/target/debug/deps/libmacroquad-c13abfbb3e687eba.rmeta --extern megaui_macroquad=/opt/rustwide/target/debug/deps/libmegaui_macroquad-324aa4d63d172afa.rmeta --extern miniserde=/opt/rustwide/target/debug/deps/libminiserde-8f71ab1e8aa9e453.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3ef2372b985694a3.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "adfe87aefa7275f6fa696486b769b8b66557fe780b8cf6fc98373f730d0c29b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfe87aefa7275f6fa696486b769b8b66557fe780b8cf6fc98373f730d0c29b4", kill_on_drop: false }`
[INFO] [stdout] adfe87aefa7275f6fa696486b769b8b66557fe780b8cf6fc98373f730d0c29b4
