[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] 1777d51f5c65b3c25f75c30ec0671a2cfcf28d62
[INFO] documenting ruffers9/rust_poker against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruffers9%2Frust_poker" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruffers9/rust_poker on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruffers9/rust_poker
[INFO] removed workspace from git repo https://github.com/ruffers9/rust_poker
[INFO] removed path dependency hand_indexer from git repo https://github.com/ruffers9/rust_poker
[INFO] removed path dependency read_write from git repo https://github.com/ruffers9/rust_poker
[INFO] removed path dependency gen_eval_table from 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-2/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 991811a2762a544a68be33fd91414ee1e6f2b7e3d6908ddb69b1ba73c7a51e8e
[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" "991811a2762a544a68be33fd91414ee1e6f2b7e3d6908ddb69b1ba73c7a51e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "991811a2762a544a68be33fd91414ee1e6f2b7e3d6908ddb69b1ba73c7a51e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991811a2762a544a68be33fd91414ee1e6f2b7e3d6908ddb69b1ba73c7a51e8e", kill_on_drop: false }`
[INFO] [stdout] 991811a2762a544a68be33fd91414ee1e6f2b7e3d6908ddb69b1ba73c7a51e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 275ea03444a7fa7361dc6d71a2bd135946a57894b778436381b6aeeb6fdce78a
[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" "275ea03444a7fa7361dc6d71a2bd135946a57894b778436381b6aeeb6fdce78a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling read_write v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling gen_eval_table v0.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rust_poker v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust_poker v0.1.9 (/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-969c5ca0cd7ebab3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-72923b2d9aa06af7.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-dba3c2b85da7c33c.rmeta --extern read_write=/opt/rustwide/target/debug/deps/libread_write-6beaadfb8067185c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-17678e30a1a74d21.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f38c07b4bc584795.rmeta --cap-lints=warn --crate-version 0.1.9` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "275ea03444a7fa7361dc6d71a2bd135946a57894b778436381b6aeeb6fdce78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275ea03444a7fa7361dc6d71a2bd135946a57894b778436381b6aeeb6fdce78a", kill_on_drop: false }`
[INFO] [stdout] 275ea03444a7fa7361dc6d71a2bd135946a57894b778436381b6aeeb6fdce78a
