[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogithub/rust-patterns on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-39/source/Cargo.toml
[INFO] crate git repo https://github.com/rogithub/rust-patterns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3575258cf033c514f018c0a99090cb1d78b96f270ab2d77221bb13d3318ad24
[INFO] running `Command { std: "docker" "start" "-a" "f3575258cf033c514f018c0a99090cb1d78b96f270ab2d77221bb13d3318ad24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3575258cf033c514f018c0a99090cb1d78b96f270ab2d77221bb13d3318ad24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3575258cf033c514f018c0a99090cb1d78b96f270ab2d77221bb13d3318ad24", kill_on_drop: false }`
[INFO] [stdout] f3575258cf033c514f018c0a99090cb1d78b96f270ab2d77221bb13d3318ad24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89bfd8d85dacf9734e8047c6f02f68db941eb177eebb62d8e26ddc42700b0398
[INFO] running `Command { std: "docker" "start" "-a" "89bfd8d85dacf9734e8047c6f02f68db941eb177eebb62d8e26ddc42700b0398", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]  --> src/default_ctr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     output: Option<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_path`
[INFO] [stdout]  --> src/default_ctr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     search_path: Vec<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timeout`
[INFO] [stdout]   --> src/default_ctr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `check`
[INFO] [stdout]   --> src/default_ctr.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     check: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.57s
[INFO] running `Command { std: "docker" "inspect" "89bfd8d85dacf9734e8047c6f02f68db941eb177eebb62d8e26ddc42700b0398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bfd8d85dacf9734e8047c6f02f68db941eb177eebb62d8e26ddc42700b0398", kill_on_drop: false }`
[INFO] [stdout] 89bfd8d85dacf9734e8047c6f02f68db941eb177eebb62d8e26ddc42700b0398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2696c32f745f3cc98376cca4e3ff152481cc6d7c63c6cd0347c0b391680557f8
[INFO] running `Command { std: "docker" "start" "-a" "2696c32f745f3cc98376cca4e3ff152481cc6d7c63c6cd0347c0b391680557f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]  --> src/default_ctr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     output: Option<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_path`
[INFO] [stdout]  --> src/default_ctr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     search_path: Vec<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timeout`
[INFO] [stdout]   --> src/default_ctr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `check`
[INFO] [stdout]   --> src/default_ctr.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     check: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]  --> src/default_ctr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     output: Option<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_path`
[INFO] [stdout]  --> src/default_ctr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     search_path: Vec<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timeout`
[INFO] [stdout]   --> src/default_ctr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "2696c32f745f3cc98376cca4e3ff152481cc6d7c63c6cd0347c0b391680557f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2696c32f745f3cc98376cca4e3ff152481cc6d7c63c6cd0347c0b391680557f8", kill_on_drop: false }`
[INFO] [stdout] 2696c32f745f3cc98376cca4e3ff152481cc6d7c63c6cd0347c0b391680557f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56dd68d3beb08d4298a8710ca63080aec6b4dfe9a864b0ce2a68c93cbbc955a0
[INFO] running `Command { std: "docker" "start" "-a" "56dd68d3beb08d4298a8710ca63080aec6b4dfe9a864b0ce2a68c93cbbc955a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `output`
[INFO] [stderr]  --> src/default_ctr.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     output: Option<PathBuf>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `search_path`
[INFO] [stderr]  --> src/default_ctr.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     search_path: Vec<PathBuf>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `timeout`
[INFO] [stderr]   --> src/default_ctr.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     timeout: Duration,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `check`
[INFO] [stderr]   --> src/default_ctr.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     check: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-patterns` (lib) generated 4 warnings
[INFO] [stderr] warning: `rust-patterns` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_patterns-2640403e42d417e5)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test basics::test::box_implementing_deref_trait ... ok
[INFO] [stdout] test basics::test::deref_test_following_ptr_to_the_value ... ok
[INFO] [stdout] test basics::test::calculate_length_borrowing_test ... ok
[INFO] [stdout] test basics::test::calculate_length_without_borrowing_test ... 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 behavioral::command_migration_traits::test::migrations_command_test ... ok
[INFO] [stdout] test behavioral::command_trait_objects::test::fn_pointers_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_aka_ioc::test::strategy_ioc_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 creational::builder::test::builder_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 into_iterator_for_option::test::options_allows_chain ... ok
[INFO] [stdout] test str_guidelines::test::saludo ... ok
[INFO] [stdout] test str_guidelines::test::sentence ... ok
[INFO] [stdout] test str_guidelines::test::word ... 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 (/opt/rustwide/target/debug/deps/rust_patterns-88a0cbfc54434e9e)
[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]    Doc-tests rust-patterns
[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" "56dd68d3beb08d4298a8710ca63080aec6b4dfe9a864b0ce2a68c93cbbc955a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dd68d3beb08d4298a8710ca63080aec6b4dfe9a864b0ce2a68c93cbbc955a0", kill_on_drop: false }`
[INFO] [stdout] 56dd68d3beb08d4298a8710ca63080aec6b4dfe9a864b0ce2a68c93cbbc955a0