[INFO] cloning repository https://github.com/steephengeorge/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steephengeorge/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteephengeorge%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteephengeorge%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2118acd43f54ebf9edbce7eb837b6aa37e58d04f
[INFO] checking steephengeorge/rustlings/2118acd43f54ebf9edbce7eb837b6aa37e58d04f against master#e1ac0fa95ba15221ee195647cb12464df3164513 for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteephengeorge%2Frustlings" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steephengeorge/rustlings on toolchain e1ac0fa95ba15221ee195647cb12464df3164513
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/steephengeorge/rustlings
[INFO] finished tweaking git repo https://github.com/steephengeorge/rustlings
[INFO] tweaked toml for git repo https://github.com/steephengeorge/rustlings written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/steephengeorge/rustlings 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" "+e1ac0fa95ba15221ee195647cb12464df3164513" "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] 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]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b3b5f9ff984146f4931a437c639a3a61414e2af6abf91d72adc46bb405beb06
[INFO] running `Command { std: "docker" "start" "-a" "3b3b5f9ff984146f4931a437c639a3a61414e2af6abf91d72adc46bb405beb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b3b5f9ff984146f4931a437c639a3a61414e2af6abf91d72adc46bb405beb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3b5f9ff984146f4931a437c639a3a61414e2af6abf91d72adc46bb405beb06", kill_on_drop: false }`
[INFO] [stdout] 3b3b5f9ff984146f4931a437c639a3a61414e2af6abf91d72adc46bb405beb06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 666f671a0338990e478b96d209d2bbb676adffeaaacd3c100ceb629b066666b8
[INFO] running `Command { std: "docker" "start" "-a" "666f671a0338990e478b96d209d2bbb676adffeaaacd3c100ceb629b066666b8", 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] 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 proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling escargot v0.5.8
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/Macros/Procedural Macros/hello_macro)
[INFO] [stderr]     Checking count_progress v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Count Progress)
[INFO] [stderr]     Checking try_from_into v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/Try From Into)
[INFO] [stderr]     Checking declaring_a_vector v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Create a Vector on Your Own)
[INFO] [stderr]     Checking advanced_errors v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Advanced Errors)
[INFO] [stderr]     Checking string_trait v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/String Trait)
[INFO] [stderr]     Checking errors6 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Custom Errors)
[INFO] [stderr]     Checking trait_bound_syntax v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Trait Bound Syntax)
[INFO] [stderr]     Checking fromstr v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/FromStr)
[INFO] [stderr]     Checking vec_trait v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Vec Trait)
[INFO] [stderr]     Checking compare_licenses v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Compare Licenses)
[INFO] [stderr]     Checking combine_traits v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Combine Traits)
[INFO] [stderr]     Checking declaring_a_hashmap v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/Fruits Delivery)
[INFO] [stdout] warning: unused import: `std::any::type_name`
[INFO] [stdout]  --> Standard Library Types/Type Conversions/FromStr/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::type_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking count_typed_cells v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Count Typed Cells)
[INFO] [stderr]     Checking lamp_with_switchers v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Switch the Lamp)
[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 loop_over_a_vector v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Loop Over a Vector)
[INFO] [stderr]     Checking modifying_a_hashmap v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/More Fruits)
[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 build_team_scores_table v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/Build Scores Table)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trim_a_string v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/The Slice Type/Trim a String)
[INFO] [stderr]     Checking advanced_errors_2 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Advanced Errors 2)
[INFO] [stderr]     Checking from_into v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/From Into)
[INFO] [stderr]     Checking capitalize_first v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Capitalize first)
[INFO] [stderr]     Checking using_as v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/Using As)
[INFO] [stderr]     Checking string_transformer v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/String Transformer)
[INFO] [stderr]     Checking process_some_strings v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Process Some Strings)
[INFO] [stderr]     Checking errors5 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Multiple Errors)
[INFO] [stderr]     Checking add_conditions v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Conditions/Add Conditions)
[INFO] [stderr]     Checking box_task v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Box Task)
[INFO] [stderr]     Checking license_it v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/License It)
[INFO] [stderr]     Checking asref_and_asmut v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/AsRef and AsMut)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{self, Display, Formatter, write};
[INFO] [stdout]   |                                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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 use_cow v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Use Cow)
[INFO] [stderr]     Checking home_alone v0.1.0 (/opt/rustwide/workdir/Modules/Modules/Home Alone at Day X)
[INFO] [stdout] warning: unused import: `std::fmt::Pointer`
[INFO] [stdout]  --> Common Collections/Strings/Process Some Strings/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Pointer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking times_two_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Times Two Tests)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             _ => write!(f, "unhandled error!"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |             [city, year, temp] if city.is_empty() => return Err(ParseClimateError::NoCity),
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp`
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |             [city, year, temp] if city.is_empty() => return Err(ParseClimateError::NoCity),
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_temp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking integration_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Integration Tests)
[INFO] [stderr]     Checking if_task v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Conditions/If Task)
[INFO] [stderr]     Checking matching_result v0.1.0 (/opt/rustwide/workdir/Error Handling/Error Handling/Matching Result)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 iterators4 v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Factorial)
[INFO] [stderr]     Checking result1 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Positive Nonzero Integer)
[INFO] [stderr]     Checking optional_value v0.1.0 (/opt/rustwide/workdir/Common Collections/Options/Optional Value)
[INFO] [stderr]     Checking submodules v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Submodules in Integration Tests)
[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 quote v1.0.35
[INFO] [stderr]     Checking define_an_enum v0.1.0 (/opt/rustwide/workdir/Structs, Methods, Enums, and Pattern Matching/Enums/Deliver Messages)
[INFO] [stderr]     Checking tuple_structs v0.1.0 (/opt/rustwide/workdir/Structs, Methods, Enums, and Pattern Matching/Structs/Tuple Structs)
[INFO] [stderr]     Checking find_a_sum v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Repetitions/Find a sum)
[INFO] [stderr]     Checking creating_a_new_thread_with_spawn v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Using Threads to Run Code Simultaneously/Creating a New Thread with spawn)
[INFO] [stderr]     Checking characters_test v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Basic Data Types/Characters Test)
[INFO] [stderr]     Checking summary_macros v0.1.0 (/opt/rustwide/workdir/Macros/Procedural Macros/Summary)
[INFO] [stderr]     Checking variables5 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Changing Type)
[INFO] [stderr]     Checking the_api_of_mutex v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Shared-State Concurrency/The API of Mutex)
[INFO] [stderr]     Checking creating_a_new_hash_map v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/Creating a New Hash Map)
[INFO] [stderr]     Checking return_a_value v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return a Value)
[INFO] [stderr]     Checking generic_type_parameters__trait_bounds__and_lifetimes_together_ v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Lifetimes/Generic Type Parameters, Trait Bounds, and Lifetimes Together)
[INFO] [stderr]     Checking slicing_strings v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Slicing Strings)
[INFO] [stderr]     Checking moving_ownership v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/What is ownership/Moving Ownership)
[INFO] [stderr]     Checking functions_with_return_values_ v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Functions with Return Values)
[INFO] [stderr]     Checking sending_multiple_values_and_seeing_the_receiver_waiting v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Using Message Passing to Transfer Data Between Threads/Sending Multiple Values and Seeing the Receiver Waiting)
[INFO] [stderr]     Checking using_the_field_init_shorthand v0.1.0 (/opt/rustwide/workdir/Structs, Methods, Enums, and Pattern Matching/Structs/Using the Field Init Shorthand)
[INFO] [stderr]     Checking dropping_a_vector_drops_its_elements v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Dropping a Vector Drops Its Elements)
[INFO] [stderr]     Checking running_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Running Tests)
[INFO] [stderr]     Checking duplicated_code_fragments v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Intro/Duplicated Code Fragments)
[INFO] [stderr]     Checking scopes_of_references v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/References and Borrowing/Scopes of References)
[INFO] [stdout] warning: function `longest_with_an_announcement` is never used
[INFO] [stdout]  --> Generic Types, Traits, and Lifetime/Lifetimes/Generic Type Parameters, Trait Bounds, and Lifetimes Together/src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_with_an_announcement<'a, T>(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> Understanding Ownership/What is ownership/Moving Ownership/src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s2 = s1;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking statements_and_expressions v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Statements and Expressions)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> Common Collections/Vectors/Dropping a Vector Drops Its Elements/src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |         let v = vec![1, 2, 3, 4];
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email`, `sign_in_count`, and `active` are never read
[INFO] [stdout]  --> Structs, Methods, Enums, and Pattern Matching/Structs/Using the Field Init Shorthand/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     username: String,
[INFO] [stdout] 3 |     email: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking summary_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Running and Organizing Tests/Summary)
[INFO] [stdout] error[E0382]: borrow of moved value: `s1`
[INFO] [stdout]  --> Understanding Ownership/What is ownership/Moving Ownership/src/main.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let s1 = String::from("hello");
[INFO] [stdout]   |         -- move occurs because `s1` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     let s2 = s1;
[INFO] [stdout]   |              -- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     println!("{}, world!", s1);
[INFO] [stdout]   |                            ^^ value borrowed here after move
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s2 = s1.clone();
[INFO] [stdout]   |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/Modules/Modules/Defining Modules)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moving_ownership` (bin "moving_ownership" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> Common Programming Concepts/Functions/Statements and Expressions/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x = 5;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_to_waitlist` is never used
[INFO] [stdout]  --> Modules/Modules/Defining Modules/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |         fn add_to_waitlist() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> Modules/Modules/Defining Modules/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         fn seat_at_table() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> Modules/Modules/Defining Modules/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]   --> Modules/Modules/Defining Modules/src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         fn serve_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]   --> Modules/Modules/Defining Modules/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn take_payment() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "666f671a0338990e478b96d209d2bbb676adffeaaacd3c100ceb629b066666b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666f671a0338990e478b96d209d2bbb676adffeaaacd3c100ceb629b066666b8", kill_on_drop: false }`
[INFO] [stdout] 666f671a0338990e478b96d209d2bbb676adffeaaacd3c100ceb629b066666b8