[INFO] cloning repository https://github.com/rajkumarthirumalai/RustLearning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajkumarthirumalai/RustLearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajkumarthirumalai%2FRustLearning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajkumarthirumalai%2FRustLearning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e3a542c38329898e91046dffabbc7adba5e6fe1 [INFO] checking rajkumarthirumalai/RustLearning/8e3a542c38329898e91046dffabbc7adba5e6fe1 against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajkumarthirumalai%2FRustLearning" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rajkumarthirumalai/RustLearning [INFO] finished tweaking git repo https://github.com/rajkumarthirumalai/RustLearning [INFO] tweaked toml for git repo https://github.com/rajkumarthirumalai/RustLearning written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rajkumarthirumalai/RustLearning on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16b01f3541a1cfadc052a411ee4fb5b5df90965664c7310a6cc4ceb52aa5e797 [INFO] running `Command { std: "docker" "start" "-a" "16b01f3541a1cfadc052a411ee4fb5b5df90965664c7310a6cc4ceb52aa5e797", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16b01f3541a1cfadc052a411ee4fb5b5df90965664c7310a6cc4ceb52aa5e797", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16b01f3541a1cfadc052a411ee4fb5b5df90965664c7310a6cc4ceb52aa5e797", kill_on_drop: false }` [INFO] [stdout] 16b01f3541a1cfadc052a411ee4fb5b5df90965664c7310a6cc4ceb52aa5e797 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a380b451cf68aa3824320666d6b0deb095d2c43dd45a780a94cef28df720a9f [INFO] running `Command { std: "docker" "start" "-a" "7a380b451cf68aa3824320666d6b0deb095d2c43dd45a780a94cef28df720a9f", kill_on_drop: false }` [INFO] [stderr] Checking exercises v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected type, found `{` [INFO] [stdout] --> exercises/02_functions/functions4.rs:11:30 [INFO] [stdout] | [INFO] [stdout] 11 | fn sale_price(price: i64) -> { [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "functions4") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed for `Vec<_>` [INFO] [stdout] --> exercises/20_threads/threads1.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut results = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^ ---------- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `results` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 23 | let mut results: Vec = Vec::new(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> exercises/18_iterators/iterators2.rs:17:47 [INFO] [stdout] | [INFO] [stdout] 17 | fn capitalize_words_vector(words: &[&str]) -> Vec { [INFO] [stdout] | ----------------------- ^^^^^^^^^^^ expected `Vec`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> exercises/18_iterators/iterators2.rs:24:47 [INFO] [stdout] | [INFO] [stdout] 24 | fn capitalize_words_string(words: &[&str]) -> String { [INFO] [stdout] | ----------------------- ^^^^^^ expected `String`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first` [INFO] [stdout] --> exercises/18_iterators/iterators2.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | Some(first) => todo!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_first` [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 E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "threads1" test) due to 1 previous error [INFO] [stdout] error[E0382]: use of moved value: `tx` [INFO] [stdout] --> exercises/20_threads/threads3.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 17 | fn send_tx(q: Queue, tx: mpsc::Sender) { [INFO] [stdout] | -- move occurs because `tx` has type `std::sync::mpsc::Sender`, which does not implement the `Copy` trait [INFO] [stdout] ... [INFO] [stdout] 20 | thread::spawn(move || { [INFO] [stdout] | ------- value moved into closure here [INFO] [stdout] 21 | for val in q.first_half { [INFO] [stdout] | ----------------------- inside of this loop [INFO] [stdout] 22 | println!("Sending {val:?}"); [INFO] [stdout] 23 | tx.send(val).unwrap(); [INFO] [stdout] | -- variable moved due to use in closure [INFO] [stdout] ... [INFO] [stdout] 28 | thread::spawn(move || { [INFO] [stdout] | ^^^^^^^ value used here after move [INFO] [stdout] ... [INFO] [stdout] 31 | tx.send(val).unwrap(); [INFO] [stdout] | -- use occurs due to use in closure [INFO] [stdout] | [INFO] [stdout] help: consider cloning the value before moving it into the closure [INFO] [stdout] | [INFO] [stdout] 20 ~ let value = tx.clone(); [INFO] [stdout] 21 ~ thread::spawn(move || { [INFO] [stdout] 22 | for val in q.first_half { [INFO] [stdout] 23 | println!("Sending {val:?}"); [INFO] [stdout] 24 ~ value.send(val).unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "iterators2") due to 2 previous errors; 1 warning emitted [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "threads3") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "7a380b451cf68aa3824320666d6b0deb095d2c43dd45a780a94cef28df720a9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a380b451cf68aa3824320666d6b0deb095d2c43dd45a780a94cef28df720a9f", kill_on_drop: false }` [INFO] [stdout] 7a380b451cf68aa3824320666d6b0deb095d2c43dd45a780a94cef28df720a9f