[INFO] cloning repository https://github.com/km-tr/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/km-tr/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkm-tr%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkm-tr%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 965bd57ff9b3f6c6e9cd16f6e5f779de68ce1f5f
[INFO] building km-tr/rustlings against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkm-tr%2Frustlings" "/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/km-tr/rustlings on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/km-tr/rustlings
[INFO] finished tweaking git repo https://github.com/km-tr/rustlings
[INFO] tweaked toml for git repo https://github.com/km-tr/rustlings written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9f8a409ecce2e0267d0abf13b525b8c781f1693087342575b89e211bfb6b338
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9f8a409ecce2e0267d0abf13b525b8c781f1693087342575b89e211bfb6b338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f8a409ecce2e0267d0abf13b525b8c781f1693087342575b89e211bfb6b338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f8a409ecce2e0267d0abf13b525b8c781f1693087342575b89e211bfb6b338", kill_on_drop: false }`
[INFO] [stdout] a9f8a409ecce2e0267d0abf13b525b8c781f1693087342575b89e211bfb6b338
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e057a6aa4cbf7578054534c1901fee217e8200d94d19b8f385763457d8d972e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e057a6aa4cbf7578054534c1901fee217e8200d94d19b8f385763457d8d972e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling escargot v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling tests_intro v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Intro)
[INFO] [stderr]    Compiling references_and_borrowing v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/References and Borrowing)
[INFO] [stderr]    Compiling return_type v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return Type)
[INFO] [stderr]    Compiling variables4 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 4)
[INFO] [stderr]    Compiling using_message_passing_to_transfer_data_between_threads v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Using Message Passing to Transfer Data Between Threads)
[INFO] [stderr]    Compiling variables2 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 2)
[INFO] [stderr]    Compiling calling_a_macro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Calling a Macro)
[INFO] [stderr]    Compiling string_slice v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/String Slice)
[INFO] [stderr]    Compiling generic_data_types v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Generic Data Types)
[INFO] [stderr]    Compiling else_if v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/else if)
[INFO] [stderr]    Compiling macros3 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Outside of Module)
[INFO] [stderr]    Compiling strings_intro v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Intro)
[INFO] [stderr]    Compiling iterator3 v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Iterator)
[INFO] [stderr]    Compiling matching_result_2 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2)
[INFO] [stderr]    Compiling borrow v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Borrow)
[INFO] [stderr]    Compiling macro_arms v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Macro Arms)
[INFO] [stderr]    Compiling recoverable_errors_with_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Recoverable Errors with Result)
[INFO] [stderr]    Compiling move_semantics_intro v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Intro)
[INFO] [stderr]    Compiling if_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/Intro)
[INFO] [stderr]    Compiling paths_for_referring_to_an_item_in_the_module_tree v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Paths for Referring to an Item in the Module Tree)
[INFO] [stderr]    Compiling macros_intro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Intro)
[INFO] [stderr]    Compiling about v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/About)
[INFO] [stderr]    Compiling the_slice_type v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/The Slice Type)
[INFO] [stderr]    Compiling assert_eq v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Assert_Eq)
[INFO] [stderr]    Compiling variables_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Intro)
[INFO] [stdout] error: expected type, found `{`
[INFO] [stdout]  --> Common Programming Concepts/Functions/Return Type/src/main.rs:6:50
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn sale_price(price: i32) -> /*put a type here*/ {
[INFO] [stdout]   |                                                  ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `return_type`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `;`
[INFO] [stdout]  --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2/src/main.rs:7:53
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let cost = match total_cost(pretend_user_input)?;
[INFO] [stdout]   |                -----                                ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]   |                |
[INFO] [stdout]   |                while parsing this match expression
[INFO] [stdout]   |                help: try removing this `match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `vec_0` in this scope
[INFO] [stdout]  --> Understanding Ownership/Move Semantics/Borrow/src/main.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vec1 = fill_vec(vec_0 /*and put it here*/);
[INFO] [stdout]   |                             ^^^^^ help: a local variable with a similar name exists: `vec0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> Understanding Ownership/Move Semantics/Borrow/src/main.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `(`
[INFO] [stdout]  --> Modules and Macros/Macros/Macro Arms/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ($val:expr) => {
[INFO] [stdout]   |     ^ no rules expected this token in macro call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_hold`
[INFO] [stdout]  --> Writing Automated Tests/Tests/Intro/src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> Common Collections/Strings/String Slice/src/main.rs:3:70
[INFO] [stdout]   |
[INFO] [stdout] 3 |     if is_a_color_word(/*coerce the String into a string slice here*/word) {
[INFO] [stdout]   |                                                                      ^^^^
[INFO] [stdout]   |                                                                      |
[INFO] [stdout]   |                                                                      expected `&str`, found struct `String`
[INFO] [stdout]   |                                                                      help: consider borrowing here: `&word`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `my_macro` in this scope
[INFO] [stdout]   --> Modules and Macros/Macros/Outside of Module/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     my_macro!();
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: have you added the `#[macro_use]` on the module/import?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> Modules and Macros/Macros/Outside of Module/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | /     macro_rules! my_macro {
[INFO] [stdout] 4 | |         () => {
[INFO] [stdout] 5 | |             println!("Check out my macro!");
[INFO] [stdout] 6 | |         };
[INFO] [stdout] 7 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `my_macro` in this scope
[INFO] [stdout]  --> Modules and Macros/Macros/Calling a Macro/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     my_macro/*call the macro here*/();
[INFO] [stdout]   |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> Modules and Macros/Macros/Calling a Macro/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / macro_rules! my_macro {
[INFO] [stdout] 2 | |     () => {
[INFO] [stdout] 3 | |         println!("Check out my macro!");
[INFO] [stdout] 4 | |     };
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> Iterators and Closures/Standard Library Types/Iterator/src/lib.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn divide(a: i32, b: i32) -> Result<i32, DivisionError> {
[INFO] [stdout]    |        ------                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<i32, DivisionError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4e057a6aa4cbf7578054534c1901fee217e8200d94d19b8f385763457d8d972e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e057a6aa4cbf7578054534c1901fee217e8200d94d19b8f385763457d8d972e", kill_on_drop: false }`
[INFO] [stdout] 4e057a6aa4cbf7578054534c1901fee217e8200d94d19b8f385763457d8d972e
