[INFO] cloning repository https://github.com/javaidislam/Ludo-by-Javaid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/javaidislam/Ludo-by-Javaid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavaidislam%2FLudo-by-Javaid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavaidislam%2FLudo-by-Javaid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5a5f542633ee93f72deccb5f2560edfe460dd8f
[INFO] documenting javaidislam/Ludo-by-Javaid against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavaidislam%2FLudo-by-Javaid" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/javaidislam/Ludo-by-Javaid on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/javaidislam/Ludo-by-Javaid
[INFO] finished tweaking git repo https://github.com/javaidislam/Ludo-by-Javaid
[INFO] tweaked toml for git repo https://github.com/javaidislam/Ludo-by-Javaid written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/javaidislam/Ludo-by-Javaid already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 016e0d52031120b28ac002ed56ebf7135bf6c46ddad4b9ca7304dca24457752f
[INFO] running `Command { std: "docker" "start" "-a" "016e0d52031120b28ac002ed56ebf7135bf6c46ddad4b9ca7304dca24457752f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "016e0d52031120b28ac002ed56ebf7135bf6c46ddad4b9ca7304dca24457752f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016e0d52031120b28ac002ed56ebf7135bf6c46ddad4b9ca7304dca24457752f", kill_on_drop: false }`
[INFO] [stdout] 016e0d52031120b28ac002ed56ebf7135bf6c46ddad4b9ca7304dca24457752f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab1b0bb9cd6d1099da18abbea08c595d2bd82b63b2cbaa33a7ed0be9951f4b5
[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" "bab1b0bb9cd6d1099da18abbea08c595d2bd82b63b2cbaa33a7ed0be9951f4b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting ludo1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for names in (0..no_players) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 4.86s
[INFO] running `Command { std: "docker" "inspect" "bab1b0bb9cd6d1099da18abbea08c595d2bd82b63b2cbaa33a7ed0be9951f4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab1b0bb9cd6d1099da18abbea08c595d2bd82b63b2cbaa33a7ed0be9951f4b5", kill_on_drop: false }`
[INFO] [stdout] bab1b0bb9cd6d1099da18abbea08c595d2bd82b63b2cbaa33a7ed0be9951f4b5