[INFO] cloning repository https://github.com/lecoqjacob/rougelike_rust_specs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lecoqjacob/rougelike_rust_specs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flecoqjacob%2Frougelike_rust_specs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flecoqjacob%2Frougelike_rust_specs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17566595f7885fc300e6ef3c85d455bd2024b229
[INFO] documenting lecoqjacob/rougelike_rust_specs against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flecoqjacob%2Frougelike_rust_specs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lecoqjacob/rougelike_rust_specs on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lecoqjacob/rougelike_rust_specs
[INFO] finished tweaking git repo https://github.com/lecoqjacob/rougelike_rust_specs
[INFO] tweaked toml for git repo https://github.com/lecoqjacob/rougelike_rust_specs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lecoqjacob/rougelike_rust_specs 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shred v0.12.0
[INFO] [stderr]   Downloaded extend v1.1.2
[INFO] [stderr]   Downloaded specs v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ab1aacec126284a1dfcd1661886a763e1121681f6a18da446b6336144ee7b48
[INFO] running `Command { std: "docker" "start" "-a" "8ab1aacec126284a1dfcd1661886a763e1121681f6a18da446b6336144ee7b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ab1aacec126284a1dfcd1661886a763e1121681f6a18da446b6336144ee7b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab1aacec126284a1dfcd1661886a763e1121681f6a18da446b6336144ee7b48", kill_on_drop: false }`
[INFO] [stdout] 8ab1aacec126284a1dfcd1661886a763e1121681f6a18da446b6336144ee7b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 150d28df97fbd9f590d5e79255cbe340f33db2e57839dee5381411357bf99372
[INFO] running `Command { std: "docker" "start" "-a" "150d28df97fbd9f590d5e79255cbe340f33db2e57839dee5381411357bf99372", kill_on_drop: false }`
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[INFO] [stderr]     Checking rltk v0.8.1
[INFO] [stderr]  Documenting rouge_like_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 `rouge_like_game`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name rouge_like_game 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=66256e4191dfa2d1 -L dependency=/opt/rustwide/target/debug/deps --extern extend=/opt/rustwide/target/debug/deps/libextend-3e540833a9455512.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-aaaf299dd7b5e85c.rmeta --extern rltk=/opt/rustwide/target/debug/deps/librltk-256002e7cbde8911.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d899684e93021291.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5c7d9cb31b66a49d.rmeta --extern specs=/opt/rustwide/target/debug/deps/libspecs-2983522482f58acd.rmeta --extern specs_derive=/opt/rustwide/target/debug/deps/libspecs_derive-ee85dc1a58a4163e.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "150d28df97fbd9f590d5e79255cbe340f33db2e57839dee5381411357bf99372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150d28df97fbd9f590d5e79255cbe340f33db2e57839dee5381411357bf99372", kill_on_drop: false }`
[INFO] [stdout] 150d28df97fbd9f590d5e79255cbe340f33db2e57839dee5381411357bf99372
