[INFO] cloning repository https://github.com/kylewlacy/lochnes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kylewlacy/lochnes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewlacy%2Flochnes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewlacy%2Flochnes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 336d6532c6b6d650ba56360415b064b8de845846
[INFO] documenting kylewlacy/lochnes against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewlacy%2Flochnes" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kylewlacy/lochnes on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kylewlacy/lochnes
[INFO] finished tweaking git repo https://github.com/kylewlacy/lochnes
[INFO] tweaked toml for git repo https://github.com/kylewlacy/lochnes written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kylewlacy/lochnes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-kinds v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1dfb719101dbf4a059636e6d88be92d18fa406740afb91c37839bde59cb65fd
[INFO] running `Command { std: "docker" "start" "-a" "e1dfb719101dbf4a059636e6d88be92d18fa406740afb91c37839bde59cb65fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1dfb719101dbf4a059636e6d88be92d18fa406740afb91c37839bde59cb65fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dfb719101dbf4a059636e6d88be92d18fa406740afb91c37839bde59cb65fd", kill_on_drop: false }`
[INFO] [stdout] e1dfb719101dbf4a059636e6d88be92d18fa406740afb91c37839bde59cb65fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd8f39d79903de1a7edbda2c5060b7484f0e4365c6e5ccd7fb086e9b29797ca0
[INFO] running `Command { std: "docker" "start" "-a" "cd8f39d79903de1a7edbda2c5060b7484f0e4365c6e5ccd7fb086e9b29797ca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling enum-kinds v0.5.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]  Documenting lochnes v0.1.1 (/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(
[INFO] [stdout] 2 | |     cell_update,
[INFO] [stdout] 3 | |     never_type,
[INFO] [stdout] 4 | |     exhaustive_patterns,
[INFO] [stdout] 5 | |     generators,
[INFO] [stdout] 6 | |     generator_trait
[INFO] [stdout] 7 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[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: could not document `lochnes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name lochnes src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="easter-egg"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=71b6121d7ae25a4a -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8b4d77f54b121cdd.rmeta --extern enum_kinds=/opt/rustwide/target/debug/deps/libenum_kinds-5b1f9a9a39e024bc.so --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-f9a77320efa2d640.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-67e062284850b882.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-786fa777aaf01b53.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-89d9c9f0e22f9de6.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cd8f39d79903de1a7edbda2c5060b7484f0e4365c6e5ccd7fb086e9b29797ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8f39d79903de1a7edbda2c5060b7484f0e4365c6e5ccd7fb086e9b29797ca0", kill_on_drop: false }`
[INFO] [stdout] cd8f39d79903de1a7edbda2c5060b7484f0e4365c6e5ccd7fb086e9b29797ca0
