[INFO] cloning repository https://github.com/DovaPT/term_card_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DovaPT/term_card_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDovaPT%2Fterm_card_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDovaPT%2Fterm_card_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d1e0a9adb869e7d278ceb3ab198a79ad3583049
[INFO] documenting DovaPT/term_card_game against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDovaPT%2Fterm_card_game" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DovaPT/term_card_game
[INFO] finished tweaking git repo https://github.com/DovaPT/term_card_game
[INFO] tweaked toml for git repo https://github.com/DovaPT/term_card_game written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DovaPT/term_card_game on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DovaPT/term_card_game 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 963847de7e46a1115dff4f54911711e0d42b604cb9fb670e64ee875b43adfc25
[INFO] running `Command { std: "docker" "start" "-a" "963847de7e46a1115dff4f54911711e0d42b604cb9fb670e64ee875b43adfc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "963847de7e46a1115dff4f54911711e0d42b604cb9fb670e64ee875b43adfc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963847de7e46a1115dff4f54911711e0d42b604cb9fb670e64ee875b43adfc25", kill_on_drop: false }`
[INFO] [stdout] 963847de7e46a1115dff4f54911711e0d42b604cb9fb670e64ee875b43adfc25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6da0b95699ae5b3a4acd609b1a2324a853084f2941984ff09c2d3b5be197e63b
[INFO] running `Command { std: "docker" "start" "-a" "6da0b95699ae5b3a4acd609b1a2324a853084f2941984ff09c2d3b5be197e63b", kill_on_drop: false }`
[INFO] [stderr]  Documenting term_card_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(random)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `term_card_game`
[INFO] running `Command { std: "docker" "inspect" "6da0b95699ae5b3a4acd609b1a2324a853084f2941984ff09c2d3b5be197e63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da0b95699ae5b3a4acd609b1a2324a853084f2941984ff09c2d3b5be197e63b", kill_on_drop: false }`
[INFO] [stdout] 6da0b95699ae5b3a4acd609b1a2324a853084f2941984ff09c2d3b5be197e63b
