[INFO] cloning repository https://github.com/Edgeworth/memevis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Edgeworth/memevis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemevis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemevis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f0805c7bc943a70bad6ce784a97b02327149a1e
[INFO] documenting Edgeworth/memevis against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemevis" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Edgeworth/memevis on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Edgeworth/memevis
[INFO] finished tweaking git repo https://github.com/Edgeworth/memevis
[INFO] tweaked toml for git repo https://github.com/Edgeworth/memevis written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Edgeworth/memevis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67c82af810c1258040dfa394922813b39d5c85082bfdfe2c8b715fb6aea693f5
[INFO] running `Command { std: "docker" "start" "-a" "67c82af810c1258040dfa394922813b39d5c85082bfdfe2c8b715fb6aea693f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c82af810c1258040dfa394922813b39d5c85082bfdfe2c8b715fb6aea693f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c82af810c1258040dfa394922813b39d5c85082bfdfe2c8b715fb6aea693f5", kill_on_drop: false }`
[INFO] [stdout] 67c82af810c1258040dfa394922813b39d5c85082bfdfe2c8b715fb6aea693f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d721271359b1efb9fd8fffd6acccb2a65bfa8b5430ba1c79ca038ef00ab36922
[INFO] running `Command { std: "docker" "start" "-a" "d721271359b1efb9fd8fffd6acccb2a65bfa8b5430ba1c79ca038ef00ab36922", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling erased-serde v0.3.20
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking dyn-clone v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking rgb v0.8.32
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling harfbuzz-sys v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking object v0.28.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glium v0.31.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking euclid v0.22.7
[INFO] [stderr]     Checking float_next_after v0.1.5
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking freetype v0.7.0
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking lyon_geom v0.17.6
[INFO] [stderr]     Checking harfbuzz_rs v2.0.1
[INFO] [stderr]     Checking lyon_path v0.17.7
[INFO] [stderr]     Checking lyon_tessellation v0.17.10
[INFO] [stderr]     Checking lyon_algorithms v0.17.7
[INFO] [stderr]     Checking lyon v0.17.10
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking wayland-commons v0.29.4
[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]     Checking wayland-egl v0.29.4
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling ghost v0.1.4
[INFO] [stderr]    Compiling typetag-impl v0.1.8
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking inventory v0.2.3
[INFO] [stderr]     Checking typetag v0.1.8
[INFO] [stderr]     Checking glutin v0.28.0
[INFO] [stderr]  Documenting memevis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(option_result_contains, trait_alias)]
[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 `memevis`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name memevis src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e7a4247020c0c4e1 -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-f847469979f6ecb3.so --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-3aa5645f66d08480.rmeta --extern eyre=/opt/rustwide/target/debug/deps/libeyre-64d7cb01d16fc2a7.rmeta --extern freetype=/opt/rustwide/target/debug/deps/libfreetype-a6fba31579d3e350.rmeta --extern glium=/opt/rustwide/target/debug/deps/libglium-ae8eadb8b7927e35.rmeta --extern harfbuzz_rs=/opt/rustwide/target/debug/deps/libharfbuzz_rs-d60de4283c6180a6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0b61054b794719d9.rmeta --extern lyon=/opt/rustwide/target/debug/deps/liblyon-6929f8061c6ad3af.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-49050e2a0d5bdc88.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c044e835dd621079.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-0b64b372909baba4.so --extern rgb=/opt/rustwide/target/debug/deps/librgb-452bd8917f876da9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-35f22dcf83cbf1b5.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f6d5a9e9a0cd57b0.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-09bda8e6cc48cdda.rmeta --extern typetag=/opt/rustwide/target/debug/deps/libtypetag-0bd32552615db3da.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d721271359b1efb9fd8fffd6acccb2a65bfa8b5430ba1c79ca038ef00ab36922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d721271359b1efb9fd8fffd6acccb2a65bfa8b5430ba1c79ca038ef00ab36922", kill_on_drop: false }`
[INFO] [stdout] d721271359b1efb9fd8fffd6acccb2a65bfa8b5430ba1c79ca038ef00ab36922