[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#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[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 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0da3f7e246d11df30c940d5606989cc0135b50abbe3d83847e4ef85b02312e06
[INFO] running `Command { std: "docker" "start" "-a" "0da3f7e246d11df30c940d5606989cc0135b50abbe3d83847e4ef85b02312e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0da3f7e246d11df30c940d5606989cc0135b50abbe3d83847e4ef85b02312e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da3f7e246d11df30c940d5606989cc0135b50abbe3d83847e4ef85b02312e06", kill_on_drop: false }`
[INFO] [stdout] 0da3f7e246d11df30c940d5606989cc0135b50abbe3d83847e4ef85b02312e06
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bed536e6fb96c6e2a3f09ad50965a699e54fada97293b14c564bf0289648595f
[INFO] running `Command { std: "docker" "start" "-a" "bed536e6fb96c6e2a3f09ad50965a699e54fada97293b14c564bf0289648595f", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0499]: cannot borrow `x` as mutable more than once at a time
[INFO] [stdout]   --> exercises/06_move_semantics/move_semantics4.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let y = &mut x;
[INFO] [stdout]    |                 ------ first mutable borrow occurs here
[INFO] [stdout] 13 |         let z = &mut x;
[INFO] [stdout]    |                 ^^^^^^ second mutable borrow occurs here
[INFO] [stdout] 14 |         y.push(42);
[INFO] [stdout]    |         - first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> exercises/quizzes/quiz1.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "move_semantics4" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `calculate_price_of_apples` in this scope
[INFO] [stdout]   --> exercises/quizzes/quiz1.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         assert_eq!(calculate_price_of_apples(35), 70);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `calculate_price_of_apples` in this scope
[INFO] [stdout]   --> exercises/quizzes/quiz1.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |         assert_eq!(calculate_price_of_apples(40), 80);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `calculate_price_of_apples` in this scope
[INFO] [stdout]   --> exercises/quizzes/quiz1.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         assert_eq!(calculate_price_of_apples(41), 41);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `calculate_price_of_apples` in this scope
[INFO] [stdout]   --> exercises/quizzes/quiz1.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         assert_eq!(calculate_price_of_apples(65), 65);
[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 "quiz1" test) due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error[E0600]: cannot apply unary operator `!` to type `()`
[INFO] [stdout]   --> exercises/07_structs/structs3.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         assert!(package.is_international());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `licensing_info`
[INFO] [stdout]   --> exercises/15_traits/traits3.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout]  8 |     fn licensing_info(&self) -> String;
[INFO] [stdout]    |     ----------------------------------- `licensing_info` from trait
[INFO] [stdout] ...
[INFO] [stdout] 19 | impl Licensed for SomeSoftware {} // Don't edit this line.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `licensing_info` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `licensing_info`
[INFO] [stdout]   --> exercises/15_traits/traits3.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout]  8 |     fn licensing_info(&self) -> String;
[INFO] [stdout]    |     ----------------------------------- `licensing_info` from trait
[INFO] [stdout] ...
[INFO] [stdout] 20 | impl Licensed for OtherSoftware {} // Don't edit this line.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `licensing_info` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0600]: cannot apply unary operator `!` to type `()`
[INFO] [stdout]   --> exercises/07_structs/structs3.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert!(!package.is_international());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/07_structs/structs3.rs:84:54
[INFO] [stdout]    |
[INFO] [stdout] 84 |         assert_eq!(package.get_fees(cents_per_gram), 4500);
[INFO] [stdout]    |                                                      ^^^^ expected `()`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/07_structs/structs3.rs:85:58
[INFO] [stdout]    |
[INFO] [stdout] 85 |         assert_eq!(package.get_fees(cents_per_gram * 2), 9000);
[INFO] [stdout]    |                                                          ^^^^ expected `()`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cents_per_gram`
[INFO] [stdout]   --> exercises/07_structs/structs3.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_fees(&self, cents_per_gram: u32) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cents_per_gram`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0600.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "structs3" test) due to 4 previous errors; 1 warning emitted
[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] [stdout] error[E0425]: cannot find value `child_numbers` in this scope
[INFO] [stdout]   --> exercises/19_smart_pointers/arc1.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let sum: u32 = child_numbers.iter().filter(|&&n| n % 8 == offset).sum();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `sync::Arc`
[INFO] [stdout]   --> exercises/19_smart_pointers/arc1.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::{sync::Arc, thread};
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> exercises/19_smart_pointers/arc1.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![forbid(unused_imports)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[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 "arc1") due to 2 previous errors
[INFO] [stderr] error: could not compile `exercises` (bin "traits3") due to 2 previous errors
[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] error[E0308]: mismatched types
[INFO] [stdout]  --> exercises/03_if/if2.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn foo_if_fizz(fizzish: &str) -> &str {
[INFO] [stdout]   |                                  ---- expected `&str` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 6 |         1
[INFO] [stdout]   |         ^ expected `&str`, found integer
[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 "if2") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "iterators5" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bed536e6fb96c6e2a3f09ad50965a699e54fada97293b14c564bf0289648595f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed536e6fb96c6e2a3f09ad50965a699e54fada97293b14c564bf0289648595f", kill_on_drop: false }`
[INFO] [stdout] bed536e6fb96c6e2a3f09ad50965a699e54fada97293b14c564bf0289648595f
