[INFO] cloning repository https://github.com/jheek/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jheek/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjheek%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjheek%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1deba618be758919504b41feb4dbbbd287d0cc2e
[INFO] documenting jheek/rust-chess against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjheek%2Frust-chess" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jheek/rust-chess on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jheek/rust-chess
[INFO] finished tweaking git repo https://github.com/jheek/rust-chess
[INFO] tweaked toml for git repo https://github.com/jheek/rust-chess written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jheek/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chess v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7900ec7b4e1d7adc1304705fc894852d59d2a5fb273953c452a2801945690e0c
[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" "7900ec7b4e1d7adc1304705fc894852d59d2a5fb273953c452a2801945690e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7900ec7b4e1d7adc1304705fc894852d59d2a5fb273953c452a2801945690e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7900ec7b4e1d7adc1304705fc894852d59d2a5fb273953c452a2801945690e0c", kill_on_drop: false }`
[INFO] [stdout] 7900ec7b4e1d7adc1304705fc894852d59d2a5fb273953c452a2801945690e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a8a23fc530a36293e53bcb143b7502ece7c8b140591bc0fa07edb4dda7dc45
[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" "38a8a23fc530a36293e53bcb143b7502ece7c8b140591bc0fa07edb4dda7dc45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling chess v1.0.4
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]  Documenting rust_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |     static ref TTABLE: TTable = { TTable::new(100 * 1024 * 1024) };
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 04s
[INFO] running `Command { std: "docker" "inspect" "38a8a23fc530a36293e53bcb143b7502ece7c8b140591bc0fa07edb4dda7dc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a8a23fc530a36293e53bcb143b7502ece7c8b140591bc0fa07edb4dda7dc45", kill_on_drop: false }`
[INFO] [stdout] 38a8a23fc530a36293e53bcb143b7502ece7c8b140591bc0fa07edb4dda7dc45
