[INFO] cloning repository https://github.com/yukimemi/gsr-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukimemi/gsr-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Fgsr-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Fgsr-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 245cae1f9f03afab8c523ecb40abe96ca094a33d
[INFO] documenting yukimemi/gsr-rs 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%2Fyukimemi%2Fgsr-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukimemi/gsr-rs 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/yukimemi/gsr-rs
[INFO] finished tweaking git repo https://github.com/yukimemi/gsr-rs
[INFO] tweaked toml for git repo https://github.com/yukimemi/gsr-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/yukimemi/gsr-rs 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4862f138dd88a68ade82827b21a0271a2622aa2c3141893c3c0d1d9a7a2474af
[INFO] running `Command { std: "docker" "start" "-a" "4862f138dd88a68ade82827b21a0271a2622aa2c3141893c3c0d1d9a7a2474af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4862f138dd88a68ade82827b21a0271a2622aa2c3141893c3c0d1d9a7a2474af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4862f138dd88a68ade82827b21a0271a2622aa2c3141893c3c0d1d9a7a2474af", kill_on_drop: false }`
[INFO] [stdout] 4862f138dd88a68ade82827b21a0271a2622aa2c3141893c3c0d1d9a7a2474af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 253dc99a8d032b800b7231edacc74fbb119c287157ee2d2b51797ae76e44308d
[INFO] running `Command { std: "docker" "start" "-a" "253dc99a8d032b800b7231edacc74fbb119c287157ee2d2b51797ae76e44308d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking same-file v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.1.4
[INFO] [stderr]     Checking structopt v0.1.4
[INFO] [stderr]  Documenting gsr v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(attr_literals)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
[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 `gsr`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name gsr 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=1897357db5021c5a -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-c262dfd41d8daa5d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-269b1a14db9b8aca.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-6fa7d4f6d6e2d0ca.rmeta --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-e2b7e168f28d928f.so --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-50c9ecfb1af3cb00.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-b55b8de7ad4b8be8.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "253dc99a8d032b800b7231edacc74fbb119c287157ee2d2b51797ae76e44308d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253dc99a8d032b800b7231edacc74fbb119c287157ee2d2b51797ae76e44308d", kill_on_drop: false }`
[INFO] [stdout] 253dc99a8d032b800b7231edacc74fbb119c287157ee2d2b51797ae76e44308d