[INFO] cloning repository https://github.com/sumin-world/rustlings-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sumin-world/rustlings-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumin-world%2Frustlings-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumin-world%2Frustlings-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 147f20e0aaf920c989eebcc1046128699160d374 [INFO] checking sumin-world/rustlings-exercises against master#cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd for pr-145463 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumin-world%2Frustlings-exercises" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sumin-world/rustlings-exercises [INFO] finished tweaking git repo https://github.com/sumin-world/rustlings-exercises [INFO] tweaked toml for git repo https://github.com/sumin-world/rustlings-exercises written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sumin-world/rustlings-exercises on toolchain cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sumin-world/rustlings-exercises 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" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b1125d8391d19341cf743f4ddd89d3b9b757fb99d9882a5684dc43feec35102 [INFO] running `Command { std: "docker" "start" "-a" "5b1125d8391d19341cf743f4ddd89d3b9b757fb99d9882a5684dc43feec35102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b1125d8391d19341cf743f4ddd89d3b9b757fb99d9882a5684dc43feec35102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b1125d8391d19341cf743f4ddd89d3b9b757fb99d9882a5684dc43feec35102", kill_on_drop: false }` [INFO] [stdout] 5b1125d8391d19341cf743f4ddd89d3b9b757fb99d9882a5684dc43feec35102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7622dcb97798137b4eee45b451e140c28fe6c52416dcdebafe026a917ff6a830 [INFO] running `Command { std: "docker" "start" "-a" "7622dcb97798137b4eee45b451e140c28fe6c52416dcdebafe026a917ff6a830", kill_on_drop: false }` [INFO] [stderr] Checking exercises v0.0.0 (/opt/rustwide/workdir) [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 moving the expression out of the loop so it is only moved once [INFO] [stdout] | [INFO] [stdout] 21 ~ let mut value = tx.send(val); [INFO] [stdout] 22 ~ for val in q.first_half { [INFO] [stdout] 23 | println!("Sending {val:?}"); [INFO] [stdout] 24 ~ value.unwrap(); [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] [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> exercises/13_error_handling/errors1.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | Ok("Hi! My name is Beyoncé"), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Option<&str>`, found `Result<&str, _>` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option<&str>` [INFO] [stdout] found enum `Result<&str, _>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `map_err` found for enum `Option` in the current scope [INFO] [stdout] --> exercises/13_error_handling/errors1.rs:37:18 [INFO] [stdout] | [INFO] [stdout] 35 | / generate_nametag_text(String::new()) [INFO] [stdout] 36 | | .as_ref() [INFO] [stdout] 37 | | .map_err(|e| e.as_str()), [INFO] [stdout] | |_________________-^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `map_or` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd/library/core/src/option.rs:1217:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "errors1" test) due to 2 previous errors [INFO] [stdout] error: expected one of `,`, `:`, or `}`, found `!` [INFO] [stdout] --> exercises/12_options/options2.rs:14:22 [INFO] [stdout] | [INFO] [stdout] 13 | word = optional_target { [INFO] [stdout] | --------------- while parsing this struct [INFO] [stdout] 14 | assert_eq!(word, target); [INFO] [stdout] | ---------^ expected one of `,`, `:`, or `}` [INFO] [stdout] | | [INFO] [stdout] | while parsing this struct field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `,`, `:`, or `}`, found `)` [INFO] [stdout] --> exercises/12_options/options2.rs:14:36 [INFO] [stdout] | [INFO] [stdout] 13 | word = optional_target { [INFO] [stdout] | --------------- while parsing this struct [INFO] [stdout] 14 | assert_eq!(word, target); [INFO] [stdout] | ^ expected one of `,`, `:`, or `}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{` [INFO] [stdout] --> exercises/12_options/options2.rs:32:43 [INFO] [stdout] | [INFO] [stdout] 32 | integer = optional_integers.pop() { [INFO] [stdout] | ^ expected one of `.`, `;`, `?`, `}`, or an operator [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[E0425]: cannot find value `word` in this scope [INFO] [stdout] --> exercises/12_options/options2.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | word = optional_target { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to introduce a new binding [INFO] [stdout] | [INFO] [stdout] 13 | let word = optional_target { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0574]: expected struct, variant or union type, found local variable `optional_target` [INFO] [stdout] --> exercises/12_options/options2.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | word = optional_target { [INFO] [stdout] | ^^^^^^^^^^^^^^^ not a struct, variant or union type [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] [stdout] Some errors have detailed explanations: E0425, E0574. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "enums1") due to 5 previous errors [INFO] [stderr] error: could not compile `exercises` (bin "options2" test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "7622dcb97798137b4eee45b451e140c28fe6c52416dcdebafe026a917ff6a830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7622dcb97798137b4eee45b451e140c28fe6c52416dcdebafe026a917ff6a830", kill_on_drop: false }` [INFO] [stdout] 7622dcb97798137b4eee45b451e140c28fe6c52416dcdebafe026a917ff6a830