[INFO] cloning repository https://github.com/zedseven/config-loader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zedseven/config-loader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzedseven%2Fconfig-loader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzedseven%2Fconfig-loader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34d29399a533ea8b5bd53003bf934c24cd786a06
[INFO] documenting zedseven/config-loader 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%2Fzedseven%2Fconfig-loader" "/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/zedseven/config-loader 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/zedseven/config-loader
[INFO] finished tweaking git repo https://github.com/zedseven/config-loader
[INFO] tweaked toml for git repo https://github.com/zedseven/config-loader written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zedseven/config-loader 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] [stderr]     Blocking waiting for file lock on package cache
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5b6e507cb6e59a141098ee63d4ec03bad4356950bfd607eb079b04ef080aa3e
[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" "c5b6e507cb6e59a141098ee63d4ec03bad4356950bfd607eb079b04ef080aa3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b6e507cb6e59a141098ee63d4ec03bad4356950bfd607eb079b04ef080aa3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b6e507cb6e59a141098ee63d4ec03bad4356950bfd607eb079b04ef080aa3e", kill_on_drop: false }`
[INFO] [stdout] c5b6e507cb6e59a141098ee63d4ec03bad4356950bfd607eb079b04ef080aa3e
[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: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] [stdout] 6cf6107ac2712d8590cd418a178e376b827dacbdf7d63fbab6f6fa5d5eaaca5c
[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" "6cf6107ac2712d8590cd418a178e376b827dacbdf7d63fbab6f6fa5d5eaaca5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking clap v3.0.0-rc.5
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]  Documenting config-loader v2.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![feature(int_log)]
[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 `config-loader`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name config_loader src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=90ded3aed38b258a -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-304ed2eff498e93f.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-0e1aff8f22046488.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-6ce0ab7e2fcbb39e.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b816240f2c27efda.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-204e1c9fb4300039.rmeta --extern yansi=/opt/rustwide/target/debug/deps/libyansi-764a16f952951308.rmeta --cap-lints=warn --crate-version 2.2.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6cf6107ac2712d8590cd418a178e376b827dacbdf7d63fbab6f6fa5d5eaaca5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf6107ac2712d8590cd418a178e376b827dacbdf7d63fbab6f6fa5d5eaaca5c", kill_on_drop: false }`
[INFO] [stdout] 6cf6107ac2712d8590cd418a178e376b827dacbdf7d63fbab6f6fa5d5eaaca5c