[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#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkm-tr%2Frustlings" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/km-tr/rustlings on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9633b13fca834c694ec05d26c59c40e678fa2e1fc65101c00cd7d4309cf9cef
[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" "d9633b13fca834c694ec05d26c59c40e678fa2e1fc65101c00cd7d4309cf9cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9633b13fca834c694ec05d26c59c40e678fa2e1fc65101c00cd7d4309cf9cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9633b13fca834c694ec05d26c59c40e678fa2e1fc65101c00cd7d4309cf9cef", kill_on_drop: false }`
[INFO] [stdout] d9633b13fca834c694ec05d26c59c40e678fa2e1fc65101c00cd7d4309cf9cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f30151c9d3a96c0745383d9467ca882062d5ff2ff4294a68e07951b94e4a4e7
[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" "0f30151c9d3a96c0745383d9467ca882062d5ff2ff4294a68e07951b94e4a4e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[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 serde_json v1.0.64
[INFO] [stderr]    Compiling escargot v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling once_cell v1.7.2
[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 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 variables4 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 4)
[INFO] [stderr]    Compiling installation v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/Installation)
[INFO] [stderr]    Compiling move_semantics_intro v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Intro)
[INFO] [stderr]    Compiling statements_and_expressions v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Statements and Expressions)
[INFO] [stderr]    Compiling returning_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Returning Result)
[INFO] [stderr]    Compiling if_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/Intro)
[INFO] [stderr]    Compiling if_task v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/If Task)
[INFO] [stderr]    Compiling else_if v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/else if)
[INFO] [stderr]    Compiling passing_an_argument v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Passing an Argument)
[INFO] [stderr]    Compiling modules_intro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Intro)
[INFO] [stderr]    Compiling about v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/About)
[INFO] [stderr]    Compiling functions_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Intro)
[INFO] [stderr]    Compiling variables_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Intro)
[INFO] [stderr]    Compiling result1 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Result)
[INFO] [stderr]    Compiling calculate_price v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables and Functions Test/Calculate Price)
[INFO] [stderr]    Compiling borrow v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Borrow)
[INFO] [stderr]    Compiling iterator3 v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Iterator)
[INFO] [stderr]    Compiling variables3 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 3)
[INFO] [stderr]    Compiling macros3 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Outside of Module)
[INFO] [stderr]    Compiling shadowing v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Shadowing)
[INFO] [stderr]    Compiling matching_result_2 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2)
[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] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> Recoverable and Unrecoverable Errors/Error Handling/Returning Result/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iterator3`
[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] [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[E0425]: cannot find value `TODO` in this scope
[INFO] [stdout]  --> Common Programming Concepts/Functions/Passing an Argument/src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     call_me(TODO);
[INFO] [stdout]   |             ^^^^ not found in this scope
[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 E0425`.
[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] error: aborting due to previous error
[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[E0308]: mismatched types
[INFO] [stdout]  --> Common Programming Concepts/If/If Task/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn bigger(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |        ------                    ^^^ expected `i32`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> Recoverable and Unrecoverable Errors/Error Handling/Result/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> Common Programming Concepts/Variables and Functions Test/Calculate Price/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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: 1 warning emitted
[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: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `call_me` in this scope
[INFO] [stdout]  --> Common Programming Concepts/Functions/Intro/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     call_me();
[INFO] [stdout]   |     ^^^^^^^ not found in this scope
[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 E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0f30151c9d3a96c0745383d9467ca882062d5ff2ff4294a68e07951b94e4a4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f30151c9d3a96c0745383d9467ca882062d5ff2ff4294a68e07951b94e4a4e7", kill_on_drop: false }`
[INFO] [stdout] 0f30151c9d3a96c0745383d9467ca882062d5ff2ff4294a68e07951b94e4a4e7
