[INFO] cloning repository https://github.com/kazchimo/pro-con
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazchimo/pro-con" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazchimo%2Fpro-con", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazchimo%2Fpro-con'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9969454381d99c7038eebb3aabc48fe85f5ad2cf
[INFO] documenting kazchimo/pro-con against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazchimo%2Fpro-con" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kazchimo/pro-con on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kazchimo/pro-con
[INFO] finished tweaking git repo https://github.com/kazchimo/pro-con
[INFO] tweaked toml for git repo https://github.com/kazchimo/pro-con written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kazchimo/pro-con already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bebaa3c28d7f6b43c5b693ce57d3bf5f757eea4069500fe032327b8c4c7cc6e
[INFO] running `Command { std: "docker" "start" "-a" "8bebaa3c28d7f6b43c5b693ce57d3bf5f757eea4069500fe032327b8c4c7cc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bebaa3c28d7f6b43c5b693ce57d3bf5f757eea4069500fe032327b8c4c7cc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bebaa3c28d7f6b43c5b693ce57d3bf5f757eea4069500fe032327b8c4c7cc6e", kill_on_drop: false }`
[INFO] [stdout] 8bebaa3c28d7f6b43c5b693ce57d3bf5f757eea4069500fe032327b8c4c7cc6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0e4d6c327905c7db6589684b8845648486e7aebac1ed11d81ed355b75ebadc3
[INFO] running `Command { std: "docker" "start" "-a" "d0e4d6c327905c7db6589684b8845648486e7aebac1ed11d81ed355b75ebadc3", kill_on_drop: false }`
[INFO] [stderr]     Checking pro-con v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pro-con v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn read<T: std::str::FromStr>() -> T {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_vec`
[INFO] [stdout]  --> src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn read_vec<T: std::str::FromStr>() -> Vec<T> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_vec2`
[INFO] [stdout]   --> src/lib.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn read_vec2<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `println_vec`
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn println_vec<T: Display>(vec: &Vec<T>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bubble_sort`
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn bubble_sort<T: PartialOrd>(vec: &mut Vec<T>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selection_sort`
[INFO] [stdout]   --> src/lib.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn selection_sort<T: PartialOrd>(vec: &mut Vec<T>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insertion_sort`
[INFO] [stdout]   --> src/lib.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn insertion_sort<T: PartialOrd + Clone>(vec: &mut Vec<T>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/bin/ALDS1_5_A.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |         solve(a, (i + 1), m, n) || solve(a, (i + 1), &(m - a[i as usize]), n)
[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/bin/ALDS1_5_A.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |         solve(a, (i + 1), m, n) || solve(a, (i + 1), &(m - a[i as usize]), n)
[INFO] [stdout]    |                                             ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pro-con`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name pro_con src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d0e4d6c327905c7db6589684b8845648486e7aebac1ed11d81ed355b75ebadc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e4d6c327905c7db6589684b8845648486e7aebac1ed11d81ed355b75ebadc3", kill_on_drop: false }`
[INFO] [stdout] d0e4d6c327905c7db6589684b8845648486e7aebac1ed11d81ed355b75ebadc3
