[INFO] cloning repository https://github.com/Anu-Ra-g/Rustlings_course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Anu-Ra-g/Rustlings_course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnu-Ra-g%2FRustlings_course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnu-Ra-g%2FRustlings_course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cf814396d063ae41607a87034f5a14a9dd3ce35
[INFO] checking Anu-Ra-g/Rustlings_course against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnu-Ra-g%2FRustlings_course" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Anu-Ra-g/Rustlings_course
[INFO] finished tweaking git repo https://github.com/Anu-Ra-g/Rustlings_course
[INFO] tweaked toml for git repo https://github.com/Anu-Ra-g/Rustlings_course written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Anu-Ra-g/Rustlings_course on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Anu-Ra-g/Rustlings_course 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a5777a04a1e80bb5b57d3556e516f03fb95405c82af4e6091864bd971daa6bb
[INFO] running `Command { std: "docker" "start" "-a" "6a5777a04a1e80bb5b57d3556e516f03fb95405c82af4e6091864bd971daa6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a5777a04a1e80bb5b57d3556e516f03fb95405c82af4e6091864bd971daa6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5777a04a1e80bb5b57d3556e516f03fb95405c82af4e6091864bd971daa6bb", kill_on_drop: false }`
[INFO] [stdout] 6a5777a04a1e80bb5b57d3556e516f03fb95405c82af4e6091864bd971daa6bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c213a4000027045ce7b857ba759b8254d0763f73abfb010123cb78598e29a16f
[INFO] running `Command { std: "docker" "start" "-a" "c213a4000027045ce7b857ba759b8254d0763f73abfb010123cb78598e29a16f", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     placeholder("blue");
[INFO] [stdout]    |     ^^^^^^^^^^^ ------ unexpected argument of type `&'static str`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 16 -     placeholder("blue");
[INFO] [stdout] 16 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "strings4") due to 10 previous errors
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     placeholder("red".to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^ ----------------- unexpected argument of type `String`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 18 -     placeholder("red".to_string());
[INFO] [stdout] 18 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     placeholder(String::from("hi"));
[INFO] [stdout]    |     ^^^^^^^^^^^ ------------------ unexpected argument of type `String`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 20 -     placeholder(String::from("hi"));
[INFO] [stdout] 20 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     placeholder("rust is fun!".to_owned());
[INFO] [stdout]    |     ^^^^^^^^^^^ ------------------------- unexpected argument of type `String`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 22 -     placeholder("rust is fun!".to_owned());
[INFO] [stdout] 22 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     placeholder("nice weather".into());
[INFO] [stdout]    |     ^^^^^^^^^^^ --------------------- unexpected argument
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 24 -     placeholder("nice weather".into());
[INFO] [stdout] 24 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     placeholder(format!("Interpolation {}", "Station"));
[INFO] [stdout]    |     ^^^^^^^^^^^ -------------------------------------- unexpected argument of type `String`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 26 -     placeholder(format!("Interpolation {}", "Station"));
[INFO] [stdout] 26 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     placeholder(&String::from("abc")[0..1]);
[INFO] [stdout]    |     ^^^^^^^^^^^ -------------------------- unexpected argument of type `&str`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 30 -     placeholder(&String::from("abc")[0..1]);
[INFO] [stdout] 30 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     placeholder("  hello there ".trim());
[INFO] [stdout]    |     ^^^^^^^^^^^ ----------------------- unexpected argument of type `&str`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 32 -     placeholder("  hello there ".trim());
[INFO] [stdout] 32 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     placeholder("Happy Monday!".replace("Mon", "Tues"));
[INFO] [stdout]    |     ^^^^^^^^^^^ -------------------------------------- unexpected argument of type `String`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 34 -     placeholder("Happy Monday!".replace("Mon", "Tues"));
[INFO] [stdout] 34 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     placeholder("mY sHiFt KeY iS sTiCkY".to_lowercase());
[INFO] [stdout]    |     ^^^^^^^^^^^ --------------------------------------- unexpected argument of type `String`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn placeholder() {}
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 36 -     placeholder("mY sHiFt KeY iS sTiCkY".to_lowercase());
[INFO] [stdout] 36 +     placeholder();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> exercises/12_options/options1.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn maybe_icecream(hour_of_day: u16) -> Option<u16> {
[INFO] [stdout]   |    --------------                      ^^^^^^^^^^^ expected `Option<u16>`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Option<u16>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Resize` found for enum `Message` in the current scope
[INFO] [stdout]  --> exercises/08_enums/enums1.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Message {
[INFO] [stdout]   | ------------ variant or associated item `Resize` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     println!("{:?}", Message::Resize);
[INFO] [stdout]   |                               ^^^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Move` found for enum `Message` in the current scope
[INFO] [stdout]  --> exercises/08_enums/enums1.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Message {
[INFO] [stdout]   | ------------ variant or associated item `Move` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     println!("{:?}", Message::Move);
[INFO] [stdout]   |                               ^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Echo` found for enum `Message` in the current scope
[INFO] [stdout]  --> exercises/08_enums/enums1.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Message {
[INFO] [stdout]   | ------------ variant or associated item `Echo` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     println!("{:?}", Message::Echo);
[INFO] [stdout]   |                               ^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `ChangeColor` found for enum `Message` in the current scope
[INFO] [stdout]   --> exercises/08_enums/enums1.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout]  2 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `ChangeColor` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     println!("{:?}", Message::ChangeColor);
[INFO] [stdout]    |                               ^^^^^^^^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Quit` found for enum `Message` in the current scope
[INFO] [stdout]   --> exercises/08_enums/enums1.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout]  2 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `Quit` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     println!("{:?}", Message::Quit);
[INFO] [stdout]    |                               ^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "enums1") due to 5 previous errors
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/12_options/options1.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert_eq!(icecreams, 5); // Don't change this line.
[INFO] [stdout]    |                               ^ expected `Option<u16>`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<u16>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert_eq!(icecreams, Some(5)); // Don't change this line.
[INFO] [stdout]    |                               +++++ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "options1" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c213a4000027045ce7b857ba759b8254d0763f73abfb010123cb78598e29a16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c213a4000027045ce7b857ba759b8254d0763f73abfb010123cb78598e29a16f", kill_on_drop: false }`
[INFO] [stdout] c213a4000027045ce7b857ba759b8254d0763f73abfb010123cb78598e29a16f
