[INFO] cloning repository https://github.com/hafifamudi/rust-guessing-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hafifamudi/rust-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhafifamudi%2Frust-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhafifamudi%2Frust-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3409d23c3f104fb8380e2b8c09e04e94b8724b2f
[INFO] testing hafifamudi/rust-guessing-game against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhafifamudi%2Frust-guessing-game" "/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/hafifamudi/rust-guessing-game on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hafifamudi/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/hafifamudi/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/hafifamudi/rust-guessing-game written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/hafifamudi/rust-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34bac2008c623c8fdb45d63f16928a4d5d3372c5c50788b550fdb7b59e0c9a8
[INFO] running `Command { std: "docker" "start" "-a" "e34bac2008c623c8fdb45d63f16928a4d5d3372c5c50788b550fdb7b59e0c9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34bac2008c623c8fdb45d63f16928a4d5d3372c5c50788b550fdb7b59e0c9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34bac2008c623c8fdb45d63f16928a4d5d3372c5c50788b550fdb7b59e0c9a8", kill_on_drop: false }`
[INFO] [stdout] e34bac2008c623c8fdb45d63f16928a4d5d3372c5c50788b550fdb7b59e0c9a8
[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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aa854fe6ca4cb063cd63fc2af07624eac75324aa71420bc4cfbcbe405eda171
[INFO] running `Command { std: "docker" "start" "-a" "3aa854fe6ca4cb063cd63fc2af07624eac75324aa71420bc4cfbcbe405eda171", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         /** 
[INFO] [stdout] 21 | |          *casting guess to int32 and using match 
[INFO] [stdout] 22 | |           expressing to repeat the program when error and
[INFO] [stdout] 23 | |           take the value if success to parse
[INFO] [stdout] 24 | |         */
[INFO] [stdout]    | |__________^
[INFO] [stdout] 25 | /         let guess: u32 = match guess.trim().parse() {
[INFO] [stdout] 26 | |             Ok(num) => num,
[INFO] [stdout] 27 | |             Err(_)  => continue,
[INFO] [stdout] 28 | |         };
[INFO] [stdout]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `/* */` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "3aa854fe6ca4cb063cd63fc2af07624eac75324aa71420bc4cfbcbe405eda171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa854fe6ca4cb063cd63fc2af07624eac75324aa71420bc4cfbcbe405eda171", kill_on_drop: false }`
[INFO] [stdout] 3aa854fe6ca4cb063cd63fc2af07624eac75324aa71420bc4cfbcbe405eda171
[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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69b1b25b409286a44bef44fa21dcede88b9b84fa6c52eb692c0e9ad232dcfab1
[INFO] running `Command { std: "docker" "start" "-a" "69b1b25b409286a44bef44fa21dcede88b9b84fa6c52eb692c0e9ad232dcfab1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         /** 
[INFO] [stdout] 21 | |          *casting guess to int32 and using match 
[INFO] [stdout] 22 | |           expressing to repeat the program when error and
[INFO] [stdout] 23 | |           take the value if success to parse
[INFO] [stdout] 24 | |         */
[INFO] [stdout]    | |__________^
[INFO] [stdout] 25 | /         let guess: u32 = match guess.trim().parse() {
[INFO] [stdout] 26 | |             Ok(num) => num,
[INFO] [stdout] 27 | |             Err(_)  => continue,
[INFO] [stdout] 28 | |         };
[INFO] [stdout]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `/* */` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69b1b25b409286a44bef44fa21dcede88b9b84fa6c52eb692c0e9ad232dcfab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b1b25b409286a44bef44fa21dcede88b9b84fa6c52eb692c0e9ad232dcfab1", kill_on_drop: false }`
[INFO] [stdout] 69b1b25b409286a44bef44fa21dcede88b9b84fa6c52eb692c0e9ad232dcfab1
[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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eca63be87af892b5b579dbc4622622ac4ae4ca31ac3eea07873d06307772a3ec
[INFO] running `Command { std: "docker" "start" "-a" "eca63be87af892b5b579dbc4622622ac4ae4ca31ac3eea07873d06307772a3ec", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | /         /** 
[INFO] [stderr] 21 | |          *casting guess to int32 and using match 
[INFO] [stderr] 22 | |           expressing to repeat the program when error and
[INFO] [stderr] 23 | |           take the value if success to parse
[INFO] [stderr] 24 | |         */
[INFO] [stderr]    | |__________^
[INFO] [stderr] 25 | /         let guess: u32 = match guess.trim().parse() {
[INFO] [stderr] 26 | |             Ok(num) => num,
[INFO] [stderr] 27 | |             Err(_)  => continue,
[INFO] [stderr] 28 | |         };
[INFO] [stderr]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `/* */` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_world` (bin "hello_world" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-3e3985372dab2fe3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eca63be87af892b5b579dbc4622622ac4ae4ca31ac3eea07873d06307772a3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca63be87af892b5b579dbc4622622ac4ae4ca31ac3eea07873d06307772a3ec", kill_on_drop: false }`
[INFO] [stdout] eca63be87af892b5b579dbc4622622ac4ae4ca31ac3eea07873d06307772a3ec