[INFO] cloning repository https://github.com/yxxx5/leetcode_rusrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yxxx5/leetcode_rusrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyxxx5%2Fleetcode_rusrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyxxx5%2Fleetcode_rusrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31eca0197ae14438fed9f6280b93bbc4ecc26e9b
[INFO] documenting yxxx5/leetcode_rusrt 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%2Fyxxx5%2Fleetcode_rusrt" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yxxx5/leetcode_rusrt 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/yxxx5/leetcode_rusrt
[INFO] finished tweaking git repo https://github.com/yxxx5/leetcode_rusrt
[INFO] tweaked toml for git repo https://github.com/yxxx5/leetcode_rusrt written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/yxxx5/leetcode_rusrt 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leetcode_prelude v0.2.3
[INFO] [stderr]   Downloaded leetcode_test v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0514162c318c7ecc26138ed2721f32e5f9570cbf9c18de6438d87e0674d295a3
[INFO] running `Command { std: "docker" "start" "-a" "0514162c318c7ecc26138ed2721f32e5f9570cbf9c18de6438d87e0674d295a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0514162c318c7ecc26138ed2721f32e5f9570cbf9c18de6438d87e0674d295a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0514162c318c7ecc26138ed2721f32e5f9570cbf9c18de6438d87e0674d295a3", kill_on_drop: false }`
[INFO] [stdout] 0514162c318c7ecc26138ed2721f32e5f9570cbf9c18de6438d87e0674d295a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 82c235a30f09d7c5a6ee5534f52a7bcae6dae200fa5ca3a37decd2f21b698faa
[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" "82c235a30f09d7c5a6ee5534f52a7bcae6dae200fa5ca3a37decd2f21b698faa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling leetcode_test v0.1.2
[INFO] [stderr]     Checking leetcode_prelude v0.2.3
[INFO] [stderr]  Documenting leetcode_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/self_dividing_numbers/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |             if (i < 10) {
[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/longest_substring_without_repeating_characters/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if (len == 1) {
[INFO] [stdout]    |            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/majority_element/mod.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let mut cnt:i32 = 0;;
[INFO] [stdout]   |                             ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/majority_element/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |             if (cnt == 0) {
[INFO] [stdout]   |                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/majority_element/mod.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 if (res == x) {
[INFO] [stdout]    |                    ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/intersection_of_two_arrays/mod.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |             if (nums1[i1] == nums2[i2]) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/my_sqrt/mod.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |         while (left < right) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/smallest_range_i/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if (max - k <= min + k) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/shortest_distance_to_a_character/mod.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 if (i as i32 == *j) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/binary_gap/mod.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 if (m > res) {
[INFO] [stdout]    |                    ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/fixed_point/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |             if (j == i as i32) {
[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 15.78s
[INFO] running `Command { std: "docker" "inspect" "82c235a30f09d7c5a6ee5534f52a7bcae6dae200fa5ca3a37decd2f21b698faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c235a30f09d7c5a6ee5534f52a7bcae6dae200fa5ca3a37decd2f21b698faa", kill_on_drop: false }`
[INFO] [stdout] 82c235a30f09d7c5a6ee5534f52a7bcae6dae200fa5ca3a37decd2f21b698faa