[INFO] cloning repository https://github.com/Feiyang1/aoc_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Feiyang1/aoc_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeiyang1%2Faoc_2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeiyang1%2Faoc_2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e78847bbb0f3a86e23d07efb385b19029bb156c
[INFO] documenting Feiyang1/aoc_2019 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%2FFeiyang1%2Faoc_2019" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Feiyang1/aoc_2019 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/Feiyang1/aoc_2019
[INFO] finished tweaking git repo https://github.com/Feiyang1/aoc_2019
[INFO] tweaked toml for git repo https://github.com/Feiyang1/aoc_2019 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Feiyang1/aoc_2019 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 80b611e067e870f90c399a926db2267682bdb8f539a081cace2a2946d792cf47
[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" "80b611e067e870f90c399a926db2267682bdb8f539a081cace2a2946d792cf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80b611e067e870f90c399a926db2267682bdb8f539a081cace2a2946d792cf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b611e067e870f90c399a926db2267682bdb8f539a081cace2a2946d792cf47", kill_on_drop: false }`
[INFO] [stdout] 80b611e067e870f90c399a926db2267682bdb8f539a081cace2a2946d792cf47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 599efae1d5b3eadb7f4afc0a4325cfc1092d6691a068068d12cfeb6a82103772
[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" "599efae1d5b3eadb7f4afc0a4325cfc1092d6691a068068d12cfeb6a82103772", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/day7/mod.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |         for _ in (0..5) {
[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 `if` condition
[INFO] [stdout]   --> src/day10/mod.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     if (a == 0) {return b; }
[INFO] [stdout]    |        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day10/mod.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if (b == 0) {return a; }
[INFO] [stdout]    |        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day10/mod.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     if (a == b) {
[INFO] [stdout]    |        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day10/mod.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     if (a > b) {
[INFO] [stdout]    |        ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day14/mod.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |             ore_quantity -= (cost.ore_cost as i64);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/day16/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for _ in (0..100) {
[INFO] [stdout]   |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/day16/mod.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for p in (0..100) {
[INFO] [stdout]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/day16/mod.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |     for i in (0..8) {
[INFO] [stdout]     |              ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "599efae1d5b3eadb7f4afc0a4325cfc1092d6691a068068d12cfeb6a82103772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599efae1d5b3eadb7f4afc0a4325cfc1092d6691a068068d12cfeb6a82103772", kill_on_drop: false }`
[INFO] [stdout] 599efae1d5b3eadb7f4afc0a4325cfc1092d6691a068068d12cfeb6a82103772