[INFO] cloning repository https://github.com/piotrkubicki/anagram-solver-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piotrkubicki/anagram-solver-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotrkubicki%2Fanagram-solver-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotrkubicki%2Fanagram-solver-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edfe9a5b0ab45fb0e8339d7fc6bfba78d42d9013
[INFO] documenting piotrkubicki/anagram-solver-rust against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotrkubicki%2Fanagram-solver-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/piotrkubicki/anagram-solver-rust on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/piotrkubicki/anagram-solver-rust
[INFO] finished tweaking git repo https://github.com/piotrkubicki/anagram-solver-rust
[INFO] tweaked toml for git repo https://github.com/piotrkubicki/anagram-solver-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/piotrkubicki/anagram-solver-rust 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 073fc455abebc07430d46f9b6142228701e514cb696b18249a24f5d1e46ea31d
[INFO] running `Command { std: "docker" "start" "-a" "073fc455abebc07430d46f9b6142228701e514cb696b18249a24f5d1e46ea31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "073fc455abebc07430d46f9b6142228701e514cb696b18249a24f5d1e46ea31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073fc455abebc07430d46f9b6142228701e514cb696b18249a24f5d1e46ea31d", kill_on_drop: false }`
[INFO] [stdout] 073fc455abebc07430d46f9b6142228701e514cb696b18249a24f5d1e46ea31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 027252b15e86bede222e8cdf2374ec2ee14bb11e146ae5b6b2fc18d8dc47d518
[INFO] running `Command { std: "docker" "start" "-a" "027252b15e86bede222e8cdf2374ec2ee14bb11e146ae5b6b2fc18d8dc47d518", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]  Documenting anagram-solver-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `anagram-solver-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name anagram_solver_rust 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=bb927cecb3fe7f17 -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-dac72a8c028eb7ee.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-35fef88997af0fd0.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-e554c9f7085fa434.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "027252b15e86bede222e8cdf2374ec2ee14bb11e146ae5b6b2fc18d8dc47d518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027252b15e86bede222e8cdf2374ec2ee14bb11e146ae5b6b2fc18d8dc47d518", kill_on_drop: false }`
[INFO] [stdout] 027252b15e86bede222e8cdf2374ec2ee14bb11e146ae5b6b2fc18d8dc47d518
