[INFO] cloning repository https://github.com/ryanthegentry/Rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanthegentry/Rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d77f264101a35c4fea194e0253e4ecad2ccb3c0
[INFO] building ryanthegentry/Rustlings against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%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/ryanthegentry/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/ryanthegentry/Rustlings
[INFO] finished tweaking git repo https://github.com/ryanthegentry/Rustlings
[INFO] tweaked toml for git repo https://github.com/ryanthegentry/Rustlings written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanthegentry/Rustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] e9b23010b7151c627ef528935f9cb3345119c26955ee309ca46ce872bf527f52
[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" "e9b23010b7151c627ef528935f9cb3345119c26955ee309ca46ce872bf527f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b23010b7151c627ef528935f9cb3345119c26955ee309ca46ce872bf527f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b23010b7151c627ef528935f9cb3345119c26955ee309ca46ce872bf527f52", kill_on_drop: false }`
[INFO] [stdout] e9b23010b7151c627ef528935f9cb3345119c26955ee309ca46ce872bf527f52
[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] 48399f4674a25b4c630ffc53ba0dc61d64149746e00f5b6d809c8ff6a1376da5
[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" "48399f4674a25b4c630ffc53ba0dc61d64149746e00f5b6d809c8ff6a1376da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tests_intro v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Intro)
[INFO] [stderr]    Compiling scalar_types v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Scalar Types)
[INFO] [stderr]    Compiling adding_custom_failure_messages v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Adding Custom Failure Messages)
[INFO] [stderr]    Compiling assert v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Assert)
[INFO] [stderr]    Compiling error_handling_intro v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Intro)
[INFO] [stderr]    Compiling functions_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Intro)
[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 macros2 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Declaring a Macro)
[INFO] [stderr]    Compiling calling_a_macro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Calling a Macro)
[INFO] [stderr]    Compiling macro_test v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros and Modules Test/Test Task)
[INFO] [stderr]    Compiling if_task v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/If Task)
[INFO] [stdout] error: cannot find macro `my_macro` in this scope
[INFO] [stdout]  --> Modules and Macros/Macros/Declaring a Macro/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     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/Declaring a Macro/src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / macro_rules! my_macro {
[INFO] [stdout] 6 | |     () => {
[INFO] [stdout] 7 | |         println!("Check out my macro!");
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[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] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Arrays)
[INFO] [stderr] error: could not compile `macros2`
[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[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] [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: 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: cannot find macro `my_macro` in this scope
[INFO] [stdout]  --> Modules and Macros/Macros and Modules Test/Test Task/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     if my_macro!("world!") != "Hello world!" {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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: 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] [stdout] error: expected expression, found keyword `type`
[INFO] [stdout]  --> Common Programming Concepts/Data Types/Arrays/src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let a = type here;
[INFO] [stdout]   |             ^^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "48399f4674a25b4c630ffc53ba0dc61d64149746e00f5b6d809c8ff6a1376da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48399f4674a25b4c630ffc53ba0dc61d64149746e00f5b6d809c8ff6a1376da5", kill_on_drop: false }`
[INFO] [stdout] 48399f4674a25b4c630ffc53ba0dc61d64149746e00f5b6d809c8ff6a1376da5
