[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#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorneliaKelinske%2Frustlings_meetup" "/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/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CorneliaKelinske/rustlings_meetup on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0d9aa89a739393f335b94ad1c60d27989a6526d3b0b1f9bb508343526d8cab
[INFO] running `Command { std: "docker" "start" "-a" "ab0d9aa89a739393f335b94ad1c60d27989a6526d3b0b1f9bb508343526d8cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0d9aa89a739393f335b94ad1c60d27989a6526d3b0b1f9bb508343526d8cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0d9aa89a739393f335b94ad1c60d27989a6526d3b0b1f9bb508343526d8cab", kill_on_drop: false }`
[INFO] [stdout] ab0d9aa89a739393f335b94ad1c60d27989a6526d3b0b1f9bb508343526d8cab
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f350505fb4ce1ba18f80fcd9b1894a1ded7ee79561649ce4654ca1c4eaad90
[INFO] running `Command { std: "docker" "start" "-a" "73f350505fb4ce1ba18f80fcd9b1894a1ded7ee79561649ce4654ca1c4eaad90", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut scores = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `team_1_name`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let team_1_name = split_iterator.next().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_1_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `team_2_name`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let team_2_name = split_iterator.next().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_2_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "functions3" test) due to 1 previous error
[INFO] [stdout] warning: unused variable: `team_1_score`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let team_1_score: u8 = split_iterator.next().unwrap().parse().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `team_2_score`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let team_2_score: u8 = split_iterator.next().unwrap().parse().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_2_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]  --> exercises/02_functions/functions3.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     call_me();
[INFO] [stdout]   |     ^^^^^^^-- argument #1 of type `u32` is missing
[INFO] [stdout]   |
[INFO] [stdout] note: function defined here
[INFO] [stdout]  --> exercises/02_functions/functions3.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn call_me(num: u32) {
[INFO] [stdout]   |    ^^^^^^^ --------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]   |
[INFO] [stdout] 9 |     call_me(/* u32 */);
[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/18_iterators/iterators4.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(num: u64) -> u64 {
[INFO] [stdout]   |    ---------              ^^^ expected `u64`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout] help: consider returning the local binding `num`
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(num: u64) -> u64 {
[INFO] [stdout] 2 ~     num
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/23_conversions/from_into.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn from(s: &str) -> Self {}
[INFO] [stdout]    |        ----             ^^^^ expected `Person`, 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] [stderr] error: could not compile `exercises` (bin "iterators4" test) due to 1 previous error
[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] error[E0599]: no method named `append_bar` found for struct `Vec<String>` in the current scope
[INFO] [stdout]   --> exercises/15_traits/traits2.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut foo = vec![String::from("Foo")].append_bar();
[INFO] [stdout]    |                                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `AppendBar` defines an item `append_bar`, perhaps you need to implement it
[INFO] [stdout]   --> exercises/15_traits/traits2.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | trait AppendBar {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] help: there is a method `append` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/alloc/src/vec/mod.rs:2802:4
[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 `fruit` in module `delicious_snacks`
[INFO] [stdout]   --> exercises/10_modules/modules2.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         delicious_snacks::fruit,
[INFO] [stdout]    |                           ^^^^^ not found in `delicious_snacks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `veggie` in module `delicious_snacks`
[INFO] [stdout]   --> exercises/10_modules/modules2.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |         delicious_snacks::veggie,
[INFO] [stdout]    |                           ^^^^^^ not found in `delicious_snacks`
[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 "from_into" test) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "move_semantics4" test) due to 1 previous error
[INFO] [stderr] error: could not compile `exercises` (bin "modules2" test) due to 2 previous errors
[INFO] [stderr] error: could not compile `exercises` (bin "traits2" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "73f350505fb4ce1ba18f80fcd9b1894a1ded7ee79561649ce4654ca1c4eaad90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f350505fb4ce1ba18f80fcd9b1894a1ded7ee79561649ce4654ca1c4eaad90", kill_on_drop: false }`
[INFO] [stdout] 73f350505fb4ce1ba18f80fcd9b1894a1ded7ee79561649ce4654ca1c4eaad90
