[INFO] cloning repository https://github.com/avonengel/adventofrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avonengel/adventofrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favonengel%2Fadventofrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favonengel%2Fadventofrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71cf81b90f4125c92c25ae9585273c244ec38e4f
[INFO] documenting avonengel/adventofrust 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%2Favonengel%2Fadventofrust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avonengel/adventofrust 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/avonengel/adventofrust
[INFO] finished tweaking git repo https://github.com/avonengel/adventofrust
[INFO] tweaked toml for git repo https://github.com/avonengel/adventofrust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/avonengel/adventofrust 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_scan v0.4.1
[INFO] [stderr]   Downloaded matrix v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3533bc5a8aafa5675c0cc4be097da912f020bdb24395c1e77f573e0bcbcd4c25
[INFO] running `Command { std: "docker" "start" "-a" "3533bc5a8aafa5675c0cc4be097da912f020bdb24395c1e77f573e0bcbcd4c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3533bc5a8aafa5675c0cc4be097da912f020bdb24395c1e77f573e0bcbcd4c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3533bc5a8aafa5675c0cc4be097da912f020bdb24395c1e77f573e0bcbcd4c25", kill_on_drop: false }`
[INFO] [stdout] 3533bc5a8aafa5675c0cc4be097da912f020bdb24395c1e77f573e0bcbcd4c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ffc5a15012fb28a283e83d0825c2bc0763fb942c14f507414e4606850d2bcaf3
[INFO] running `Command { std: "docker" "start" "-a" "ffc5a15012fb28a283e83d0825c2bc0763fb942c14f507414e4606850d2bcaf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking matrix v0.22.0
[INFO] [stderr]     Checking serde_scan v0.4.1
[INFO] [stderr]  Documenting adventofrust 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 `adventofrust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name adventofrust 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=53e225699529d16b -L dependency=/opt/rustwide/target/debug/deps --extern indoc=/opt/rustwide/target/debug/deps/libindoc-5fe7506538bb64a3.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-8eaff1ebe8d16866.rmeta --extern matrix=/opt/rustwide/target/debug/deps/libmatrix-c908845f9ff65931.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-3f6ccc659773ae55.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-65c4f3c4e3b2f348.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-655aa09b445b2280.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ffc5a15012fb28a283e83d0825c2bc0763fb942c14f507414e4606850d2bcaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc5a15012fb28a283e83d0825c2bc0763fb942c14f507414e4606850d2bcaf3", kill_on_drop: false }`
[INFO] [stdout] ffc5a15012fb28a283e83d0825c2bc0763fb942c14f507414e4606850d2bcaf3
