[INFO] cloning repository https://github.com/austinkaylor-eaton/Learn-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/austinkaylor-eaton/Learn-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinkaylor-eaton%2FLearn-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinkaylor-eaton%2FLearn-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beaebfb4eaf8016f72b2d6d4001f842402a44480
[INFO] checking austinkaylor-eaton/Learn-Rust against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinkaylor-eaton%2FLearn-Rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/austinkaylor-eaton/Learn-Rust
[INFO] finished tweaking git repo https://github.com/austinkaylor-eaton/Learn-Rust
[INFO] tweaked toml for git repo https://github.com/austinkaylor-eaton/Learn-Rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/austinkaylor-eaton/Learn-Rust on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/austinkaylor-eaton/Learn-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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc0fe4cb02d449a4da1561c79d49413ce5921c3da5ea512bf7dfb23b9532169e
[INFO] running `Command { std: "docker" "start" "-a" "cc0fe4cb02d449a4da1561c79d49413ce5921c3da5ea512bf7dfb23b9532169e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc0fe4cb02d449a4da1561c79d49413ce5921c3da5ea512bf7dfb23b9532169e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0fe4cb02d449a4da1561c79d49413ce5921c3da5ea512bf7dfb23b9532169e", kill_on_drop: false }`
[INFO] [stdout] cc0fe4cb02d449a4da1561c79d49413ce5921c3da5ea512bf7dfb23b9532169e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c4b67d5b808bc6b27924383a1cf3b98d7677ef792361b81201efcd75f2b25bd
[INFO] running `Command { std: "docker" "start" "-a" "2c4b67d5b808bc6b27924383a1cf3b98d7677ef792361b81201efcd75f2b25bd", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling escargot v0.5.13
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/Macros/Procedural Macros/hello_macro)
[INFO] [stderr]     Checking trim_a_string v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/The Slice Type/Trim a String)
[INFO] [stderr]     Checking loop_over_vector_with_iterators v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Loop Over Vector With Iterators)
[INFO] [stderr]     Checking using_as v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/Using As)
[INFO] [stderr]     Checking advanced_errors v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Advanced Errors)
[INFO] [stderr]     Checking build_team_scores_table v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/Build Scores Table)
[INFO] [stderr]     Checking declaring_a_hashmap v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/Fruits Delivery)
[INFO] [stderr]     Checking advanced_errors_2 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Advanced Errors 2)
[INFO] [stderr]     Checking capitalize_first v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Capitalize first)
[INFO] [stderr]     Checking license_it v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/License It)
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             _ => write!(f, "unhandled error!"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             NoCity => write!(f, "no city name"),
[INFO] [stdout]    |             ------ matches some of the same values
[INFO] [stdout] 45 |             ParseFloat(e) => write!(f, "error parsing temperature: {}", e),
[INFO] [stdout]    |             ------------- matches some of the same values
[INFO] [stdout] 46 |             Empty => write!(f, "empty input"),
[INFO] [stdout]    |             ----- matches some of the same values
[INFO] [stdout] 47 |             BadLen => write!(f, "incorrect number of fields"),
[INFO] [stdout]    |             ------ matches some of the same values
[INFO] [stdout] 48 |             ParseInt(e) => write!(f, "error parsing year: {}", e),
[INFO] [stdout] 49 |             _ => write!(f, "unhandled error!"),
[INFO] [stdout]    |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking errors5 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Multiple Errors)
[INFO] [stderr]     Checking count_typed_cells v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Count Typed Cells)
[INFO] [stderr]     Checking loop_over_a_vector v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Loop Over a Vector)
[INFO] [stderr]     Checking try_from_into v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/Try From Into)
[INFO] [stderr]     Checking process_some_strings v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Process Some Strings)
[INFO] [stderr]     Checking add_conditions v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Conditions/Add Conditions)
[INFO] [stderr]     Checking proc-macro2 v1.0.92
[INFO] [stderr]     Checking asref_and_asmut v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/AsRef and AsMut)
[INFO] [stderr]     Checking from_into v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/From Into)
[INFO] [stderr]     Checking generics_in_structs v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Generic Data Types/Generics in Structs)
[INFO] [stderr]     Checking string_transformer v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/String Transformer)
[INFO] [stderr]     Checking compare_licenses v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Compare Licenses)
[INFO] [stderr]     Checking lamp_with_switchers v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Switch the Lamp)
[INFO] [stderr]     Checking trait_bound_syntax v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Trait Bound Syntax)
[INFO] [stderr]     Checking modifying_a_hashmap v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/More Fruits)
[INFO] [stderr]     Checking combine_traits v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Combine Traits)
[INFO] [stderr]     Checking declaring_a_vector v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Create a Vector on Your Own)
[INFO] [stderr]     Checking count_progress v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Count Progress)
[INFO] [stderr]     Checking fromstr v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/FromStr)
[INFO] [stderr]     Checking string_trait v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/String Trait)
[INFO] [stderr]     Checking vec_trait v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Vec Trait)
[INFO] [stderr]     Checking box_task v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Box Task)
[INFO] [stderr]     Checking errors6 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Custom Errors)
[INFO] [stderr]     Checking home_alone v0.1.0 (/opt/rustwide/workdir/Modules/Modules/Home Alone at Day X)
[INFO] [stderr]     Checking use_cow v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Use Cow)
[INFO] [stderr]     Checking workers_in_the_engine v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Workers in the Engine)
[INFO] [stderr]     Checking times_two_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Times Two Tests)
[INFO] [stderr]     Checking calculate_price v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables, Functions, and Conditions Test/Calculate Price)
[INFO] [stderr]     Checking iterator3 v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Iterator)
[INFO] [stderr]     Checking submodules v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Submodules in Integration Tests)
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking result1 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Positive Nonzero Integer)
[INFO] [stderr]     Checking integration_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Integration Tests)
[INFO] [stderr]     Checking optional_value v0.1.0 (/opt/rustwide/workdir/Common Collections/Options/Optional Value)
[INFO] [stderr]     Checking matching_result v0.1.0 (/opt/rustwide/workdir/Error Handling/Error Handling/Matching Result)
[INFO] [stderr]     Checking use_option v0.1.0 (/opt/rustwide/workdir/Common Collections/Options/Use Option)
[INFO] [stderr]     Checking returning_result v0.1.0 (/opt/rustwide/workdir/Error Handling/Error Handling/Returning Result)
[INFO] [stderr]     Checking if_task v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Conditions/If Task)
[INFO] [stderr]     Checking iterators4 v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Factorial)
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]  --> Error Handling/Errors Primer/Multiple Errors/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::ParseIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Matches`
[INFO] [stdout]  --> Error Handling/Errors Primer/Multiple Errors/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::Matches;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]  --> Error Handling/Errors Primer/Multiple Errors/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::ParseIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Matches`
[INFO] [stdout]  --> Error Handling/Errors Primer/Multiple Errors/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::Matches;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking multiple_ownership_with_multiple_threads v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Shared-State Concurrency/Multiple Ownership with Multiple Threads)
[INFO] [stderr]     Checking using_move_closures_with_threads v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Using Threads to Run Code Simultaneously/Using move Closures with Threads)
[INFO] [stderr]     Checking lifetime_syntax v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Lifetimes/Intro)
[INFO] [stderr]     Checking checking_results_with_the_assert_macro v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/How to Write Tests/Checking Results with the assert Macro)
[INFO] [stderr]     Checking in_enum_definitions v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Generic Data Types/In Enum Definitions)
[INFO] [stderr]     Checking iterable_collection v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Iterable Collection)
[INFO] [stderr]     Checking using_nested_paths_to_clean_up_large_use_lists v0.1.0 (/opt/rustwide/workdir/Modules/Modules/Using Nested Paths to Clean Up Large use Lists)
[INFO] [stderr]     Checking variables1 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/New Variable Binding)
[INFO] [stderr]     Checking find_a_sum v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Repetitions/Find a sum)
[INFO] [stderr]     Checking default_implementations v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Default Implementations)
[INFO] [stderr]     Checking error_handling_intro v0.1.0 (/opt/rustwide/workdir/Error Handling/Error Handling/Intro)
[INFO] [stderr]     Checking ManagingConditions v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Conditions/Managing Conditions)
[INFO] [stderr]     Checking borrowing_values_with_references v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/References and Borrowing/Borrowing Values with References)
[INFO] [stdout] error[E0277]: `Rc<std::sync::Mutex<i32>>` cannot be sent between threads safely
[INFO] [stdout]   --> Fearless Concurrency/Shared-State Concurrency/Multiple Ownership with Multiple Threads/src/main.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |           let handle = thread::spawn(move || {
[INFO] [stdout]    |                        ------------- ^------
[INFO] [stdout]    |                        |             |
[INFO] [stdout]    |  ______________________|_____________within this `{closure@main.rs:12:36}`
[INFO] [stdout]    | |                      |
[INFO] [stdout]    | |                      required by a bound introduced by this call
[INFO] [stdout] 13 | |             let mut num = counter.lock().unwrap();
[INFO] [stdout] 14 | |
[INFO] [stdout] 15 | |             *num += 1;
[INFO] [stdout] 16 | |         });
[INFO] [stdout]    | |_________^ `Rc<std::sync::Mutex<i32>>` cannot be sent between threads safely
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `{closure@main.rs:12:36}`, the trait `Send` is not implemented for `Rc<std::sync::Mutex<i32>>`
[INFO] [stdout] note: required because it's used within this closure
[INFO] [stdout]   --> Fearless Concurrency/Shared-State Concurrency/Multiple Ownership with Multiple Threads/src/main.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let handle = thread::spawn(move || {
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/50f413885985a8b0a0b6ca0766a0aedd45304953/library/std/src/thread/functions.rs:125:0
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/multiple_ownership_with_multiple_threads-5f3f9340ca2ab0bc.long-type-11288672444143643142.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiple_ownership_with_multiple_threads` (bin "multiple_ownership_with_multiple_threads" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]  --> Generic Types, Traits, and Lifetime/Generic Data Types/In Enum Definitions/src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Option<T> {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]  --> Generic Types, Traits, and Lifetime/Generic Data Types/In Enum Definitions/src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Result<T, E> {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmp::Ordering` and `io`
[INFO] [stdout]  --> Modules/Modules/Using Nested Paths to Clean Up Large use Lists/src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{cmp::Ordering, io};
[INFO] [stdout]   |           ^^^^^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `self`
[INFO] [stdout]  --> Modules/Modules/Using Nested Paths to Clean Up Large use Lists/src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c4b67d5b808bc6b27924383a1cf3b98d7677ef792361b81201efcd75f2b25bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4b67d5b808bc6b27924383a1cf3b98d7677ef792361b81201efcd75f2b25bd", kill_on_drop: false }`
[INFO] [stdout] 2c4b67d5b808bc6b27924383a1cf3b98d7677ef792361b81201efcd75f2b25bd
