[INFO] cloning repository https://github.com/tureus/avvy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tureus/avvy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftureus%2Favvy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftureus%2Favvy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d1ce7db5498c45205aa1a4fdd56fb1f4f4f79f1
[INFO] documenting tureus/avvy 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%2Ftureus%2Favvy" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tureus/avvy 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/tureus/avvy
[INFO] finished tweaking git repo https://github.com/tureus/avvy
[INFO] tweaked toml for git repo https://github.com/tureus/avvy written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tureus/avvy 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d7db207c51290d02657cff6ae074dce0fee6573ef74623e0ac473f4852a8f2bd
[INFO] running `Command { std: "docker" "start" "-a" "d7db207c51290d02657cff6ae074dce0fee6573ef74623e0ac473f4852a8f2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7db207c51290d02657cff6ae074dce0fee6573ef74623e0ac473f4852a8f2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7db207c51290d02657cff6ae074dce0fee6573ef74623e0ac473f4852a8f2bd", kill_on_drop: false }`
[INFO] [stdout] d7db207c51290d02657cff6ae074dce0fee6573ef74623e0ac473f4852a8f2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2d3e4f2cd86523faa335e19c837d68945805740bee956c0887b47429420a5ac6
[INFO] running `Command { std: "docker" "start" "-a" "2d3e4f2cd86523faa335e19c837d68945805740bee956c0887b47429420a5ac6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking integer-encoding v1.0.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]  Documenting avvy 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll, test)]
[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 `avvy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name avvy src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a65c939e202869c -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-c2fbe4664f91a956.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-211b8f5b16efab19.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-6d0e8d39221c82fb.rmeta --extern integer_encoding=/opt/rustwide/target/debug/deps/libinteger_encoding-bb6aeaec11048b0e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-de6570b113a43f81.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7afd5ca90e91d3d7.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-675a3af247e38c11.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71b71f2222b667c8.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-4b5562cdead910a2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2d3e4f2cd86523faa335e19c837d68945805740bee956c0887b47429420a5ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3e4f2cd86523faa335e19c837d68945805740bee956c0887b47429420a5ac6", kill_on_drop: false }`
[INFO] [stdout] 2d3e4f2cd86523faa335e19c837d68945805740bee956c0887b47429420a5ac6