[INFO] updating cached repository https://github.com/h1g0/for_procon
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f559f434bc3946391a8d3848c039bf9dca13b7ee
[INFO] checking h1g0/for_procon against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh1g0%2Ffor_procon" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h1g0/for_procon on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/h1g0/for_procon
[INFO] finished tweaking git repo https://github.com/h1g0/for_procon
[INFO] tweaked toml for git repo https://github.com/h1g0/for_procon written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/h1g0/for_procon already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9067e85f043d596461301179aa199fba8cdb2fd1feaf791611aa1662d94dffb
[INFO] running `"docker" "start" "-a" "e9067e85f043d596461301179aa199fba8cdb2fd1feaf791611aa1662d94dffb"`
[INFO] [stderr]     Checking for_procon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |       /// write inputs for test cases here.
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | /     r"
[INFO] [stderr] 134 | |     "=>"",
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |       /// e.g.) 
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | /     r"
[INFO] [stderr] 134 | |     "=>"",
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |       /// ```
[INFO] [stderr]     |       ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | /     r"
[INFO] [stderr] 134 | |     "=>"",
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |       /// "1 2 3"=>"4",
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | /     r"
[INFO] [stderr] 134 | |     "=>"",
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |       /// r"4 5 6
[INFO] [stderr]     |       ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | /     r"
[INFO] [stderr] 134 | |     "=>"",
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |       ///   7 8 9"=>"10",
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 132 |       /// ```
[INFO] [stderr] 133 | /     r"
[INFO] [stderr] 134 | |     "=>"",
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |       /// ```
[INFO] [stderr]     |       ^^^^^^^
[INFO] [stderr] 133 | /     r"
[INFO] [stderr] 134 | |     "=>"",
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "e9067e85f043d596461301179aa199fba8cdb2fd1feaf791611aa1662d94dffb"`
[INFO] running `"docker" "rm" "-f" "e9067e85f043d596461301179aa199fba8cdb2fd1feaf791611aa1662d94dffb"`
[INFO] [stdout] e9067e85f043d596461301179aa199fba8cdb2fd1feaf791611aa1662d94dffb