[INFO] cloning repository https://github.com/rogithub/rust-patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rogithub/rust-patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb7f8f161633858888b8f829f84ed0ae7da85119
[INFO] testing rogithub/rust-patterns against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rogithub/rust-patterns
[INFO] finished tweaking git repo https://github.com/rogithub/rust-patterns
[INFO] tweaked toml for git repo https://github.com/rogithub/rust-patterns written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rogithub/rust-patterns on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rogithub/rust-patterns 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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] 920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420
[INFO] running `Command { std: "docker" "start" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420", 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" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420", 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" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Text` is never constructed
[INFO] [stdout]   --> src/behavioral/strategy_aka_ioc.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Text;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Json` is never constructed
[INFO] [stdout]   --> src/behavioral/strategy_aka_ioc.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Json;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/behavioral/visitor.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Interpreter;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyConfiguration` is never constructed
[INFO] [stdout]  --> src/default_ctr.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MyConfiguration {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420", 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" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Text` is never constructed
[INFO] [stdout]   --> src/behavioral/strategy_aka_ioc.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Text;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Json` is never constructed
[INFO] [stdout]   --> src/behavioral/strategy_aka_ioc.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Json;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/behavioral/visitor.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Interpreter;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MyConfiguration` is never constructed
[INFO] [stdout]  --> src/default_ctr.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MyConfiguration {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `output`, `search_path`, and `timeout` are never read
[INFO] [stdout]   --> src/default_ctr.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct MyConfiguration {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout]  6 |     // Option defaults to None
[INFO] [stdout]  7 |     output: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  8 |     // Vecs default to empty vector
[INFO] [stdout]  9 |     search_path: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     // Duration defaults to zero time
[INFO] [stdout] 11 |     timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyConfiguration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420", 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" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Text` is never constructed
[INFO] [stderr]   --> src/behavioral/strategy_aka_ioc.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Text;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Json` is never constructed
[INFO] [stderr]   --> src/behavioral/strategy_aka_ioc.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct Json;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Interpreter` is never constructed
[INFO] [stderr]   --> src/behavioral/visitor.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | struct Interpreter;
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MyConfiguration` is never constructed
[INFO] [stderr]  --> src/default_ctr.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct MyConfiguration {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-patterns` (lib) generated 4 warnings
[INFO] [stderr] warning: fields `output`, `search_path`, and `timeout` are never read
[INFO] [stderr]   --> src/default_ctr.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | struct MyConfiguration {
[INFO] [stderr]    |        --------------- fields in this struct
[INFO] [stderr]  6 |     // Option defaults to None
[INFO] [stderr]  7 |     output: Option<PathBuf>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]  8 |     // Vecs default to empty vector
[INFO] [stderr]  9 |     search_path: Vec<PathBuf>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 10 |     // Duration defaults to zero time
[INFO] [stderr] 11 |     timeout: Duration,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MyConfiguration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-patterns` (lib test) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/rust_patterns-c9f2469218e76181)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test basics::test::box_implementing_deref_trait ... ok
[INFO] [stdout] test basics::test::calculate_length_borrowing_test ... ok
[INFO] [stdout] test basics::test::deref_test_following_ptr_to_the_value ... ok
[INFO] [stdout] test basics::test::one_mut_ref_max_per_scopre ... ok
[INFO] [stdout] test basics::test::referencia_mutable_test ... ok
[INFO] [stdout] test behavioral::command_fn_pointers::test::fn_pointers_command_test ... ok
[INFO] [stdout] test basics::test::calculate_length_without_borrowing_test ... ok
[INFO] [stdout] test behavioral::command_migration_traits::test::migrations_command_test ... ok
[INFO] [stdout] test behavioral::interpreter::test::interpreter_tests ... ok
[INFO] [stdout] test behavioral::interpreter_euclidean_length::test::interpreter_euclidean_length_tests ... ok
[INFO] [stdout] test behavioral::new_type::test::new_type_testing ... ok
[INFO] [stdout] test behavioral::strategy_closures::test::strategy_closure_testing ... ok
[INFO] [stdout] test behavioral::visitor::test::visitor_testing ... ok
[INFO] [stdout] test change_enum_value_in_place::test::a_to_b_test ... ok
[INFO] [stdout] test default_ctr::test::word ... ok
[INFO] [stdout] test into_iterator_for_option::test::implementing_into_iterator_allows_extend ... ok
[INFO] [stdout] test behavioral::command_trait_objects::test::fn_pointers_command_test ... ok
[INFO] [stdout] test str_guidelines::test::word ... ok
[INFO] [stdout] test into_iterator_for_option::test::options_allows_chain ... ok
[INFO] [stdout] test behavioral::strategy_aka_ioc::test::strategy_ioc_testing ... ok
[INFO] [stdout] test str_guidelines::test::sentence ... ok
[INFO] [stdout] test str_guidelines::test::saludo ... ok
[INFO] [stdout] test creational::builder::test::builder_test ... ok
[INFO] [stdout] test behavioral::raii_guards::test::raii_ward_testing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/rust_patterns-c999c8f1d111f431)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_patterns
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420", kill_on_drop: false }`
[INFO] [stdout] 920f99701222a088937c4af9c2e39229e2b3ac3c24a5ec4ad9e10c355cbcb420
