[INFO] cloning repository https://github.com/Berna-L/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Berna-L/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerna-L%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerna-L%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14d11d8f36496d545d4a45ddb0c2f54a5fbd01a0
[INFO] documenting Berna-L/advent-of-code-2020 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerna-L%2Fadvent-of-code-2020" "/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/Berna-L/advent-of-code-2020 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Berna-L/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/Berna-L/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/Berna-L/advent-of-code-2020 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Berna-L/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 6149f015bab6d28985b8cb62deca8262dc039982dbf581ca634d694d2a992f7d
[INFO] running `Command { std: "docker" "start" "-a" "6149f015bab6d28985b8cb62deca8262dc039982dbf581ca634d694d2a992f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6149f015bab6d28985b8cb62deca8262dc039982dbf581ca634d694d2a992f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6149f015bab6d28985b8cb62deca8262dc039982dbf581ca634d694d2a992f7d", kill_on_drop: false }`
[INFO] [stdout] 6149f015bab6d28985b8cb62deca8262dc039982dbf581ca634d694d2a992f7d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b43061324578c5ccc835b597a0f17a85f41da022a501cd7e41d4bd66cb501f
[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" "c6b43061324578c5ccc835b597a0f17a85f41da022a501cd7e41d4bd66cb501f", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]  Documenting rust-advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/day7/puzzle2.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |         if (NO_OTHER.eq(s)) {
[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 assigned value
[INFO] [stdout]  --> src/day9/code.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let range = (preamble..numbers.len());
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day9/code.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |             curr_sum = (curr_sum + y);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day11/puzzle1.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if (layouts_are_equal(&last, &current)) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day11/puzzle1.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     ((std::cmp::max(1, i) - 1)..=std::cmp::min(i + 1, max))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day11/puzzle2.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if (layouts_are_equal(&last, &current)) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/day16/code.rs:180:19
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let range_1 = (cap["r1b"].parse::<usize>().unwrap()..=cap["r1e"].parse::<usize>().unwrap());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/day16/code.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let range_2 = (cap["r2b"].parse::<usize>().unwrap()..=cap["r2e"].parse::<usize>().unwrap());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day17/four_dimensions.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let cycles = (0..6);
[INFO] [stdout]    |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day17/three_dimensions.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let cycles = (0..6);
[INFO] [stdout]    |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day18/puzzle_2.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if (preceding.contains(&Sum)) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "c6b43061324578c5ccc835b597a0f17a85f41da022a501cd7e41d4bd66cb501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b43061324578c5ccc835b597a0f17a85f41da022a501cd7e41d4bd66cb501f", kill_on_drop: false }`
[INFO] [stdout] c6b43061324578c5ccc835b597a0f17a85f41da022a501cd7e41d4bd66cb501f