[INFO] cloning repository https://github.com/ruffers9/rust_poker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruffers9/rust_poker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruffers9%2Frust_poker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruffers9%2Frust_poker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a61b3dcad1dbdd599baf5b8a7cf5549489ee0e9
[INFO] documenting ruffers9/rust_poker against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruffers9%2Frust_poker" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruffers9/rust_poker on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruffers9/rust_poker
[INFO] finished tweaking git repo https://github.com/ruffers9/rust_poker
[INFO] tweaked toml for git repo https://github.com/ruffers9/rust_poker written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ruffers9/rust_poker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.49.4
[INFO] [stderr]   Downloaded fastdivide v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5e1ddcf5a7a24f85ad3b1d1108d0ed7581d617003af0326d7f92da2496d0e1b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5e1ddcf5a7a24f85ad3b1d1108d0ed7581d617003af0326d7f92da2496d0e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5e1ddcf5a7a24f85ad3b1d1108d0ed7581d617003af0326d7f92da2496d0e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e1ddcf5a7a24f85ad3b1d1108d0ed7581d617003af0326d7f92da2496d0e1b", kill_on_drop: false }`
[INFO] [stdout] c5e1ddcf5a7a24f85ad3b1d1108d0ed7581d617003af0326d7f92da2496d0e1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4777affb316d7266592f221d3482a1c563a8b95f57c6435997a19e1908d87ee1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4777affb316d7266592f221d3482a1c563a8b95f57c6435997a19e1908d87ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling read_write v0.1.2 (/opt/rustwide/workdir/read_write)
[INFO] [stderr]     Checking fastdivide v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memoffset v0.5.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling gen_eval_table v0.1.2 (/opt/rustwide/workdir/gen_eval_table)
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rust_poker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]  Documenting rust_poker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(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 `rust_poker`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rust_poker src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-2103c57753b49f59.rmeta --extern fastdivide=/opt/rustwide/target/debug/deps/libfastdivide-e4739c0d932ab93a.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-208d073fc901eb97.rmeta --extern read_write=/opt/rustwide/target/debug/deps/libread_write-4230706e11bcd681.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b28d26b4f1fab62a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c74d385b6b9cf033.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-abf408bbdf671a40.rmeta --cap-lints=warn --crate-version 0.1.14` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4777affb316d7266592f221d3482a1c563a8b95f57c6435997a19e1908d87ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4777affb316d7266592f221d3482a1c563a8b95f57c6435997a19e1908d87ee1", kill_on_drop: false }`
[INFO] [stdout] 4777affb316d7266592f221d3482a1c563a8b95f57c6435997a19e1908d87ee1
