[INFO] cloning repository https://github.com/simdimdim/BB01
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simdimdim/BB01" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimdimdim%2FBB01", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimdimdim%2FBB01'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bf7b6c67513f3ae7d26993da91c711aaa6933ac
[INFO] documenting simdimdim/BB01 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%2Fsimdimdim%2FBB01" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simdimdim/BB01 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/simdimdim/BB01
[INFO] finished tweaking git repo https://github.com/simdimdim/BB01
[INFO] tweaked toml for git repo https://github.com/simdimdim/BB01 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/simdimdim/conrod`
[INFO] [stderr]     Updating git repository `https://github.com/simdimdim/sdl2_window`
[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 directories-next v2.0.0
[INFO] [stderr]   Downloaded x11-clipboard v0.5.2
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded palaver v0.2.8
[INFO] [stderr]   Downloaded conrod v0.62.1
[INFO] [stderr]   Downloaded http-serde v1.0.3
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded serde_traitobject v0.2.7
[INFO] [stderr]   Downloaded metatype v0.2.1
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded relative v0.2.2
[INFO] [stderr]   Downloaded xml-rs v0.8.4
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] [stderr]   Downloaded twox-hash v1.6.1
[INFO] [stderr]   Downloaded erased-serde v0.3.16
[INFO] [stderr]   Downloaded siphasher v0.3.6
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.1
[INFO] [stderr]   Downloaded build_id v0.2.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 09b630f8f468c40b1fcaa6d15aaf698f56e147671d719e03df2a89f1929473a3
[INFO] running `Command { std: "docker" "start" "-a" "09b630f8f468c40b1fcaa6d15aaf698f56e147671d719e03df2a89f1929473a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09b630f8f468c40b1fcaa6d15aaf698f56e147671d719e03df2a89f1929473a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b630f8f468c40b1fcaa6d15aaf698f56e147671d719e03df2a89f1929473a3", kill_on_drop: false }`
[INFO] [stdout] 09b630f8f468c40b1fcaa6d15aaf698f56e147671d719e03df2a89f1929473a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b60a209352c648158a9d79c0aa363d6f1a427fc8148ad0133e42fbeaf8ecbdb0
[INFO] running `Command { std: "docker" "start" "-a" "b60a209352c648158a9d79c0aa363d6f1a427fc8148ad0133e42fbeaf8ecbdb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking conrod v0.62.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking piston2d-graphics v0.40.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling conrod_derive v0.73.0 (https://github.com/simdimdim/conrod#40b919df)
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.73.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking x11-clipboard v0.5.2
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_with v1.9.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking http-serde v1.0.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.0
[INFO] [stderr]     Checking pistoncore-sdl2_window v0.67.0 (https://github.com/simdimdim/sdl2_window#319a8963)
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking piston v0.53.0
[INFO] [stderr]     Checking piston_window v0.120.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.6.0-alpha.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]     Checking conrod_core v0.73.0 (https://github.com/simdimdim/conrod#40b919df)
[INFO] [stderr]     Checking conrod_example_shared v0.73.0 (https://github.com/simdimdim/conrod#40b919df)
[INFO] [stderr]     Checking conrod_piston v0.73.0 (https://github.com/simdimdim/conrod#40b919df)
[INFO] [stderr]     Checking pagepal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pagepal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(with_options)]
[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 `pagepal`
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(with_options)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name pagepal src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-24eecf5c06f8ebda.rmeta --extern conrod=/opt/rustwide/target/debug/deps/libconrod-657f4e1075c67b68.rmeta --extern conrod_core=/opt/rustwide/target/debug/deps/libconrod_core-0782bceb3b495fc2.rmeta --extern conrod_example_shared=/opt/rustwide/target/debug/deps/libconrod_example_shared-b1acd1978afce7af.rmeta --extern conrod_piston=/opt/rustwide/target/debug/deps/libconrod_piston-40411fa783c62516.rmeta --extern directories_next=/opt/rustwide/target/debug/deps/libdirectories_next-2fe50018a7c7ceb0.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a1c05383384b700a.rmeta --extern http_serde=/opt/rustwide/target/debug/deps/libhttp_serde-8121ad363ae6126b.rmeta --extern piston_window=/opt/rustwide/target/debug/deps/libpiston_window-6a2f2ee5775284d6.rmeta --extern sdl2_window=/opt/rustwide/target/debug/deps/libsdl2_window-388796c4dfc29473.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-352af21d3f02ceda.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-426d00c79479086b.rmeta --extern select=/opt/rustwide/target/debug/deps/libselect-99e2b8a222176ed6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9fbe52c74650b871.rmeta --extern serde_with=/opt/rustwide/target/debug/deps/libserde_with-84564f461fd9a276.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ba368d03592bf77b.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-20eb10b37d2d0a69.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b60a209352c648158a9d79c0aa363d6f1a427fc8148ad0133e42fbeaf8ecbdb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60a209352c648158a9d79c0aa363d6f1a427fc8148ad0133e42fbeaf8ecbdb0", kill_on_drop: false }`
[INFO] [stdout] b60a209352c648158a9d79c0aa363d6f1a427fc8148ad0133e42fbeaf8ecbdb0
