[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogithub/rust-patterns on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-8/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65ab5a646d2f28f7dac735726ccf1aeb3d9db84ba813ff88f2ccaad161192d6a
[INFO] running `Command { std: "docker" "start" "-a" "65ab5a646d2f28f7dac735726ccf1aeb3d9db84ba813ff88f2ccaad161192d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65ab5a646d2f28f7dac735726ccf1aeb3d9db84ba813ff88f2ccaad161192d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ab5a646d2f28f7dac735726ccf1aeb3d9db84ba813ff88f2ccaad161192d6a", kill_on_drop: false }`
[INFO] [stdout] 65ab5a646d2f28f7dac735726ccf1aeb3d9db84ba813ff88f2ccaad161192d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19aea40d29badd3aa9250241c9a347c98d13f6667f60d15bb379f5b340a9689c
[INFO] running `Command { std: "docker" "start" "-a" "19aea40d29badd3aa9250241c9a347c98d13f6667f60d15bb379f5b340a9689c", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "19aea40d29badd3aa9250241c9a347c98d13f6667f60d15bb379f5b340a9689c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19aea40d29badd3aa9250241c9a347c98d13f6667f60d15bb379f5b340a9689c", kill_on_drop: false }`
[INFO] [stdout] 19aea40d29badd3aa9250241c9a347c98d13f6667f60d15bb379f5b340a9689c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab54181481a11c5435af6a2c744c081c31f0290e56a70cb6f042c85f424da92e
[INFO] running `Command { std: "docker" "start" "-a" "ab54181481a11c5435af6a2c744c081c31f0290e56a70cb6f042c85f424da92e", kill_on_drop: false }`
[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] [stderr]    Compiling rust-patterns v0.1.0 (/opt/rustwide/workdir)
[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 2.85s
[INFO] running `Command { std: "docker" "inspect" "ab54181481a11c5435af6a2c744c081c31f0290e56a70cb6f042c85f424da92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab54181481a11c5435af6a2c744c081c31f0290e56a70cb6f042c85f424da92e", kill_on_drop: false }`
[INFO] [stdout] ab54181481a11c5435af6a2c744c081c31f0290e56a70cb6f042c85f424da92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dba17e266013a17c6f76ec680fe9e8d0303a504e41b51ad33823d197846047ee
[INFO] running `Command { std: "docker" "start" "-a" "dba17e266013a17c6f76ec680fe9e8d0303a504e41b51ad33823d197846047ee", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_patterns-57adfeb5ad062bc7)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test basics::test::box_implementing_deref_trait ... 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 basics::test::calculate_length_borrowing_test ... 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 behavioral::strategy_closures::test::strategy_closure_testing ... ok
[INFO] [stdout] test creational::builder::test::builder_test ... ok
[INFO] [stdout] test default_ctr::test::word ... 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::deref_test_following_ptr_to_the_value ... 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::command_fn_pointers::test::fn_pointers_command_test ... ok
[INFO] [stdout] test behavioral::new_type::test::new_type_testing ... ok
[INFO] [stdout] test str_guidelines::test::word ... ok
[INFO] [stdout] test basics::test::referencia_mutable_test ... ok
[INFO] [stdout] test behavioral::strategy_aka_ioc::test::strategy_ioc_testing ... ok
[INFO] [stdout] test into_iterator_for_option::test::implementing_into_iterator_allows_extend ... ok
[INFO] [stdout] test str_guidelines::test::sentence ... ok
[INFO] [stdout] test str_guidelines::test::saludo ... ok
[INFO] [stdout] test into_iterator_for_option::test::options_allows_chain ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_patterns-92aebbb9f76b0d94)
[INFO] [stdout] test behavioral::raii_guards::test::raii_ward_testing ... ok
[INFO] [stderr]    Doc-tests rust-patterns
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[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] [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" "dba17e266013a17c6f76ec680fe9e8d0303a504e41b51ad33823d197846047ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba17e266013a17c6f76ec680fe9e8d0303a504e41b51ad33823d197846047ee", kill_on_drop: false }`
[INFO] [stdout] dba17e266013a17c6f76ec680fe9e8d0303a504e41b51ad33823d197846047ee