[INFO] cloning repository https://github.com/chrisshyi/2Sum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisshyi/2Sum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisshyi%2F2Sum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisshyi%2F2Sum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 163209a01a75ee37c76614aac312a42374d538e1
[INFO] documenting chrisshyi/2Sum 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%2Fchrisshyi%2F2Sum" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisshyi/2Sum 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/chrisshyi/2Sum
[INFO] finished tweaking git repo https://github.com/chrisshyi/2Sum
[INFO] tweaked toml for git repo https://github.com/chrisshyi/2Sum written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisshyi/2Sum 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 5ca0fc3cb6d95b9a8ddba561b4400eb74e1b32b4311ec46db40c143e80f12404
[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" "5ca0fc3cb6d95b9a8ddba561b4400eb74e1b32b4311ec46db40c143e80f12404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca0fc3cb6d95b9a8ddba561b4400eb74e1b32b4311ec46db40c143e80f12404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca0fc3cb6d95b9a8ddba561b4400eb74e1b32b4311ec46db40c143e80f12404", kill_on_drop: false }`
[INFO] [stdout] 5ca0fc3cb6d95b9a8ddba561b4400eb74e1b32b4311ec46db40c143e80f12404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 20fb76e5f7e1ff8adae4b18f8126ec75fdfee2abb5ea04090b1311a601771876
[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" "20fb76e5f7e1ff8adae4b18f8126ec75fdfee2abb5ea04090b1311a601771876", kill_on_drop: false }`
[INFO] [stderr]  Documenting two_sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:52:59
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let lower_index = get_complement_index(&num_list, (-10000 as i64 - num), false); 
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:53:59
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let upper_index = get_complement_index(&num_list, (10000 as i64 - num), true);
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "20fb76e5f7e1ff8adae4b18f8126ec75fdfee2abb5ea04090b1311a601771876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fb76e5f7e1ff8adae4b18f8126ec75fdfee2abb5ea04090b1311a601771876", kill_on_drop: false }`
[INFO] [stdout] 20fb76e5f7e1ff8adae4b18f8126ec75fdfee2abb5ea04090b1311a601771876