[INFO] cloning repository https://github.com/sagaban/rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagaban/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagaban%2Frust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagaban%2Frust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e04f22577330b97dbc8cca93580386449a5c5d6a
[INFO] testing sagaban/rust_exercises against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagaban%2Frust_exercises" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sagaban/rust_exercises on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sagaban/rust_exercises
[INFO] finished tweaking git repo https://github.com/sagaban/rust_exercises
[INFO] tweaked toml for git repo https://github.com/sagaban/rust_exercises written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/sagaban/rust_exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ca9cf622a2581c29c8b441e400a7f6ed729e06fb133cc3e97ecd4ecadfae41
[INFO] running `Command { std: "docker" "start" "-a" "38ca9cf622a2581c29c8b441e400a7f6ed729e06fb133cc3e97ecd4ecadfae41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ca9cf622a2581c29c8b441e400a7f6ed729e06fb133cc3e97ecd4ecadfae41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ca9cf622a2581c29c8b441e400a7f6ed729e06fb133cc3e97ecd4ecadfae41", kill_on_drop: false }`
[INFO] [stdout] 38ca9cf622a2581c29c8b441e400a7f6ed729e06fb133cc3e97ecd4ecadfae41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9be4023fa59ce93eec1f79f4301a11b9ed481b53d1e050054cc999ac4035675
[INFO] running `Command { std: "docker" "start" "-a" "e9be4023fa59ce93eec1f79f4301a11b9ed481b53d1e050054cc999ac4035675", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `min_value`
[INFO] [stdout]  --> src/exercises/smallest_digit.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn min_value(mut digits: Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "e9be4023fa59ce93eec1f79f4301a11b9ed481b53d1e050054cc999ac4035675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9be4023fa59ce93eec1f79f4301a11b9ed481b53d1e050054cc999ac4035675", kill_on_drop: false }`
[INFO] [stdout] e9be4023fa59ce93eec1f79f4301a11b9ed481b53d1e050054cc999ac4035675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a38da249e28928e7d9072fd76628678ff0890bf560bee1117b3b2ea75e660d3a
[INFO] running `Command { std: "docker" "start" "-a" "a38da249e28928e7d9072fd76628678ff0890bf560bee1117b3b2ea75e660d3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "a38da249e28928e7d9072fd76628678ff0890bf560bee1117b3b2ea75e660d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38da249e28928e7d9072fd76628678ff0890bf560bee1117b3b2ea75e660d3a", kill_on_drop: false }`
[INFO] [stdout] a38da249e28928e7d9072fd76628678ff0890bf560bee1117b3b2ea75e660d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b65a25db6d4d4528c51907d62a6d28d39a25930c30022378d71fa332653d425
[INFO] running `Command { std: "docker" "start" "-a" "3b65a25db6d4d4528c51907d62a6d28d39a25930c30022378d71fa332653d425", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercises-33946a407f15fcd8)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test exercises::complementary_dna::tests::returns_expected ... ok
[INFO] [stdout] test exercises::delete_ocurrences::tests::test_basic ... ok
[INFO] [stdout] test exercises::hello_world::tests::test_hello_world ... ok
[INFO] [stdout] test exercises::accum::basic_tests ... ok
[INFO] [stdout] test exercises::parity_outlier::tests::basic_test ... ok
[INFO] [stdout] test exercises::pile_of_cubes::basics_find_nb ... ok
[INFO] [stdout] test exercises::pascal_triangle::tests::basic ... ok
[INFO] [stdout] test exercises::matcher::tests::sample_tests ... ok
[INFO] [stdout] test exercises::people_bus::returns_expected ... ok
[INFO] [stdout] test exercises::positive_sum::tests::all_negative ... ok
[INFO] [stdout] test exercises::positive_sum::tests::empty_list ... ok
[INFO] [stdout] test exercises::positive_sum::tests::some_examples ... ok
[INFO] [stdout] test exercises::replace_with_alphabet::returns_expected ... ok
[INFO] [stdout] test exercises::roman_numerals::returns_expected ... ok
[INFO] [stdout] test exercises::rot13::tests::test_fixed ... ok
[INFO] [stdout] test exercises::round_up::tests::test_basic ... ok
[INFO] [stdout] test exercises::round_up::tests::test_basic_neg ... ok
[INFO] [stdout] test exercises::round_up::tests::test_extended ... ok
[INFO] [stdout] test exercises::summation::tests::basic_tests ... ok
[INFO] [stdout] test exercises::trailing_zeros::tests::sample_tests ... ok
[INFO] [stdout] test exercises::sort::tests::sample_tests ... ok
[INFO] [stdout] test exercises::valid_pin::tests::non_digit_chars_tests ... ok
[INFO] [stdout] test exercises::valid_pin::tests::valid_pin_tests ... ok
[INFO] [stdout] test exercises::vowel_count::my_tests ... ok
[INFO] [stdout] test exercises::smallest_digit::basic_test ... ok
[INFO] [stdout] test exercises::valid_pin::tests::invalid_length_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b65a25db6d4d4528c51907d62a6d28d39a25930c30022378d71fa332653d425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b65a25db6d4d4528c51907d62a6d28d39a25930c30022378d71fa332653d425", kill_on_drop: false }`
[INFO] [stdout] 3b65a25db6d4d4528c51907d62a6d28d39a25930c30022378d71fa332653d425