[INFO] cloning repository https://github.com/huybang2017/ex-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huybang2017/ex-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuybang2017%2Fex-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuybang2017%2Fex-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ee1d4660efd9d296d2fa801d4ebbc0ac12797f5
[INFO] testing huybang2017/ex-rust against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuybang2017%2Fex-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/huybang2017/ex-rust
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/huybang2017/ex-rust
[INFO] tweaked toml for git repo https://github.com/huybang2017/ex-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/huybang2017/ex-rust on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/huybang2017/ex-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4
[INFO] running `Command { std: "docker" "start" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust-Bootcamp-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust-Bootcamp-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> exercises/basic-of-rust/src/functions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> exercises/basic-of-rust/src/functions.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust-Bootcamp-2023` (test "functions") generated 1 warning (run `cargo fix --test "functions" -p Rust-Bootcamp-2023` to apply 1 suggestion)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/Rust_Bootcamp_2023-dff14d063425f4e7)
[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] [stderr]      Running exercises/basic-of-rust/src/conditions.rs (/opt/rustwide/target/release/deps/conditions-f97e7d680e8103a9)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::default_to_baz ... ok
[INFO] [stdout] test tests::bar_for_fuzz ... ok
[INFO] [stdout] test tests::fortytwo_is_bigger_than_thirtytwo ... ok
[INFO] [stdout] test tests::foo_for_fizz ... ok
[INFO] [stdout] test tests::test_check_number_negative ... ok
[INFO] [stdout] test tests::test_check_number_positive ... ok
[INFO] [stdout] test tests::ten_is_bigger_than_eight ... ok
[INFO] [stdout] test tests::test_check_number_zero ... ok
[INFO] [stdout] test tests::test_factorial ... ok
[INFO] [stdout] test tests::test_leap_year ... ok
[INFO] [stdout] test tests::test_prime_number ... ok
[INFO] [stdout] test tests::test_non_prime_number ... ok
[INFO] [stdout] test tests::test_non_leap_year ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running exercises/basic-of-rust/src/functions.rs (/opt/rustwide/target/release/deps/functions-85be48fb5502c065)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_calculate_average_empty ... ok
[INFO] [stdout] test tests::test_sum_0 ... ok
[INFO] [stdout] test tests::sum_should_work ... ok
[INFO] [stdout] test tests::test_sum_1 ... ok
[INFO] [stdout] test tests::test_calculate_average ... ok
[INFO] [stdout] test tests::test_sum_100 ... ok
[INFO] [stdout] test tests::test_sum_even_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running exercises/basic-of-rust/src/strings.rs (/opt/rustwide/target/release/deps/strings-67b1ac3b61a7b628)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::exercise1_work ... ok
[INFO] [stdout] test tests::exercise2_work ... ok
[INFO] [stdout] test tests::exercise3_work ... ok
[INFO] [stdout] test tests::test_non_palindrome ... ok
[INFO] [stdout] test tests::test_palindrome ... ok
[INFO] [stdout] test tests::test_reverse_string ... ok
[INFO] [stdout] test tests::test_count_char_occurrences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4", kill_on_drop: false }`
[INFO] [stdout] 0853b48c5cbaa7602ee78a8e3da775217cf0dea5fb31de1ce8fa2cd81f7c6cf4