[INFO] cloning repository https://github.com/CorneliaKelinske/rustlings_meetup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CorneliaKelinske/rustlings_meetup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorneliaKelinske%2Frustlings_meetup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorneliaKelinske%2Frustlings_meetup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96be19ef0ee679fe95a6c0bd18d886cc6e4ac2f1
[INFO] checking CorneliaKelinske/rustlings_meetup against master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorneliaKelinske%2Frustlings_meetup" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CorneliaKelinske/rustlings_meetup
[INFO] finished tweaking git repo https://github.com/CorneliaKelinske/rustlings_meetup
[INFO] tweaked toml for git repo https://github.com/CorneliaKelinske/rustlings_meetup written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CorneliaKelinske/rustlings_meetup on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f59634634075db3a3e7fdb968165fb5485e15602c90f345fea1d87b3c4b15601
[INFO] running `Command { std: "docker" "start" "-a" "f59634634075db3a3e7fdb968165fb5485e15602c90f345fea1d87b3c4b15601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f59634634075db3a3e7fdb968165fb5485e15602c90f345fea1d87b3c4b15601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59634634075db3a3e7fdb968165fb5485e15602c90f345fea1d87b3c4b15601", kill_on_drop: false }`
[INFO] [stdout] f59634634075db3a3e7fdb968165fb5485e15602c90f345fea1d87b3c4b15601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd691bf71f1fbb066cb4324a0f93b7477d23bc3893e20c59a23a9b5ebf0365f2
[INFO] running `Command { std: "docker" "start" "-a" "fd691bf71f1fbb066cb4324a0f93b7477d23bc3893e20c59a23a9b5ebf0365f2", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:28:72
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn count_iterator(map: &HashMap<String, Progress>, value: Progress) -> usize {
[INFO] [stdout]    |    --------------                                                      ^^^^^ expected `usize`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:47:92
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn count_collection_iterator(collection: &[HashMap<String, Progress>], value: Progress) -> usize {
[INFO] [stdout]    |    -------------------------                                                               ^^^^^ expected `usize`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `nice_slice` in this scope
[INFO] [stdout]   --> exercises/04_primitive_types/primitive_types4.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |         assert_eq!([2, 3, 4], nice_slice);
[INFO] [stdout]    |                               ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ParseInt` is never constructed
[INFO] [stdout]   --> exercises/13_error_handling/errors6.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum ParsePosNonzeroError {
[INFO] [stdout]    |      -------------------- variant in this enum
[INFO] [stdout] 18 |     Creation(CreationError),
[INFO] [stdout] 19 |     ParseInt(ParseIntError),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParsePosNonzeroError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "iterators5" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/06_move_semantics/move_semantics5.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn string_uppercase(mut data: &String) {
[INFO] [stdout]    |                               ------- expected due to this parameter type
[INFO] [stdout] 13 |     data = data.to_uppercase();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ expected `&String`, found `String`
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
[INFO] [stdout]    |
[INFO] [stdout] 12 ~ fn string_uppercase(data: &mut String) {
[INFO] [stdout] 13 ~     *data = data.to_uppercase();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> exercises/16_lifetimes/lifetimes3.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     author: &str,
[INFO] [stdout]   |             ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 4 ~ struct Book<'a> {
[INFO] [stdout] 5 ~     author: &'a str,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> exercises/16_lifetimes/lifetimes3.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     title: &str,
[INFO] [stdout]   |            ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 4 ~ struct Book<'a> {
[INFO] [stdout] 5 |     author: &str,
[INFO] [stdout] 6 ~     title: &'a str,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `data`
[INFO] [stdout]   --> exercises/06_move_semantics/move_semantics5.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let data = "Rust is great!".to_string();
[INFO] [stdout]    |         ---- move occurs because `data` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     get_char(data);
[INFO] [stdout]    |              ---- value moved here
[INFO] [stdout] 22 |
[INFO] [stdout] 23 |     string_uppercase(&data);
[INFO] [stdout]    |                      ^^^^^ value borrowed here after move
[INFO] [stdout]    |
[INFO] [stdout] note: consider changing this parameter type in function `get_char` to borrow instead if owning the value isn't necessary
[INFO] [stdout]   --> exercises/06_move_semantics/move_semantics5.rs:7:19
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn get_char(data: String) -> char {
[INFO] [stdout]    |    --------       ^^^^^^ this parameter takes ownership of the value
[INFO] [stdout]    |    |
[INFO] [stdout]    |    in this function
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 21 |     get_char(data.clone());
[INFO] [stdout]    |                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0382.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "move_semantics5") due to 2 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "primitive_types4" test) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "lifetimes3") due to 2 previous errors
[INFO] [stdout] error[E0425]: cannot find value `basket` in this scope
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps1.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     basket.insert(String::from("banana"), 2);
[INFO] [stdout]    |     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `basket` in this scope
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps1.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     basket
[INFO] [stdout]    |     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "hashmaps1" test) due to 2 previous errors
[INFO] [stdout] error[E0599]: no variant named `Resize` found for enum `Message`
[INFO] [stdout]   --> exercises/08_enums/enums3.rs:67:32
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Message {
[INFO] [stdout]    | ------------ variant `Resize` not found here
[INFO] [stdout] ...
[INFO] [stdout] 67 |         state.process(Message::Resize {
[INFO] [stdout]    |                                ^^^^^^ variant 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/enums3.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `Move` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 71 |         state.process(Message::Move(Point { x: 10, y: 15 }));
[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/enums3.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `Echo` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 72 |         state.process(Message::Echo(String::from("Hello world!")));
[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/enums3.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `ChangeColor` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 73 |         state.process(Message::ChangeColor(255, 0, 255));
[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/enums3.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `Quit` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 74 |         state.process(Message::Quit);
[INFO] [stdout]    |                                ^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> exercises/08_enums/enums3.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn process(&mut self, message: Message) {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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 "enums3" test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fd691bf71f1fbb066cb4324a0f93b7477d23bc3893e20c59a23a9b5ebf0365f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd691bf71f1fbb066cb4324a0f93b7477d23bc3893e20c59a23a9b5ebf0365f2", kill_on_drop: false }`
[INFO] [stdout] fd691bf71f1fbb066cb4324a0f93b7477d23bc3893e20c59a23a9b5ebf0365f2
