[INFO] cloning repository https://github.com/Angluca/rustlings-zh-cn-rustacean
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Angluca/rustlings-zh-cn-rustacean" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngluca%2Frustlings-zh-cn-rustacean", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngluca%2Frustlings-zh-cn-rustacean'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c54521d680fd22ac5ad8adb2a89c938c0bc7b88
[INFO] checking Angluca/rustlings-zh-cn-rustacean against master#021fc25b7a48f6051bee1e1f06c7a277e4de1cc9 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngluca%2Frustlings-zh-cn-rustacean" "/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/Angluca/rustlings-zh-cn-rustacean
[INFO] finished tweaking git repo https://github.com/Angluca/rustlings-zh-cn-rustacean
[INFO] tweaked toml for git repo https://github.com/Angluca/rustlings-zh-cn-rustacean written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Angluca/rustlings-zh-cn-rustacean on toolchain 021fc25b7a48f6051bee1e1f06c7a277e4de1cc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Angluca/rustlings-zh-cn-rustacean 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" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db3514ea6cd0c8698c59e85cb202d3b5bf458236a92d367da17891d7322aa63c
[INFO] running `Command { std: "docker" "start" "-a" "db3514ea6cd0c8698c59e85cb202d3b5bf458236a92d367da17891d7322aa63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3514ea6cd0c8698c59e85cb202d3b5bf458236a92d367da17891d7322aa63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3514ea6cd0c8698c59e85cb202d3b5bf458236a92d367da17891d7322aa63c", kill_on_drop: false }`
[INFO] [stdout] db3514ea6cd0c8698c59e85cb202d3b5bf458236a92d367da17891d7322aa63c
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 097d0a85edba3c5bdbe6f388d839260147393876368588d0043a2d63899cd138
[INFO] running `Command { std: "docker" "start" "-a" "097d0a85edba3c5bdbe6f388d839260147393876368588d0043a2d63899cd138", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0381]: used binding `x` isn't initialized
[INFO] [stdout]  --> exercises/01_variables/variables3.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let x: i32;
[INFO] [stdout]   |         - binding declared here but left uninitialized
[INFO] [stdout] 4 |
[INFO] [stdout] 5 |     println!("Number {x}");
[INFO] [stdout]   |                       ^ `x` used here but it isn't initialized
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider assigning a value
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let x: i32 = 42;
[INFO] [stdout]   |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0381`.
[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] [stderr] error: could not compile `exercises` (bin "variables3") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] warning: unreachable expression
[INFO] [stdout]   --> exercises/17_tests/tests3.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         assert_eq!(todo!(), 10); // 检查宽(width)
[INFO] [stdout]    |         ^^^^^^^^^^^-------^^^^^
[INFO] [stdout]    |         |          |
[INFO] [stdout]    |         |          any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/17_tests/tests3.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         assert_eq!(todo!(), 10); // 检查宽(width)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |         any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/17_tests/tests3.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         assert_eq!(todo!(), 20); // 检查高(height)
[INFO] [stdout]    |         ^^^^^^^^^^^-------^^^^^
[INFO] [stdout]    |         |          |
[INFO] [stdout]    |         |          any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Order` is never constructed
[INFO] [stdout]  --> exercises/07_structs/structs2.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Order {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_order_template` is never used
[INFO] [stdout]   --> exercises/07_structs/structs2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn create_order_template() -> Order {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/17_tests/tests3.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         assert_eq!(todo!(), 20); // 检查高(height)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |         any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sun` is never constructed
[INFO] [stdout]  --> solutions/19_smart_pointers/rc1.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Sun;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Planet` is never used
[INFO] [stdout]   --> solutions/19_smart_pointers/rc1.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Planet {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `details` is never used
[INFO] [stdout]   --> solutions/19_smart_pointers/rc1.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Planet {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 23 |     fn details(&self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abs_all` is never used
[INFO] [stdout]  --> solutions/19_smart_pointers/cow1.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn abs_all(input: &mut Cow<[i32]>) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `()` with `i32`
[INFO] [stdout]   --> exercises/17_tests/tests3.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         assert_eq!(todo!(), 10); // 检查宽(width)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `() == i32`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `PartialEq<i32>` is not implemented for `()`
[INFO] [stdout]       but trait `PartialEq<()>` is implemented for it
[INFO] [stdout]   --> /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/core/src/cmp.rs:1879:4
[INFO] [stdout]    = help: for that trait implementation, expected `()`, found `i32`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `()` with `i32`
[INFO] [stdout]   --> exercises/17_tests/tests3.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         assert_eq!(todo!(), 20); // 检查高(height)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `() == i32`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `PartialEq<i32>` is not implemented for `()`
[INFO] [stdout]       but trait `PartialEq<()>` is implemented for it
[INFO] [stdout]   --> /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/core/src/cmp.rs:1879:4
[INFO] [stdout]    = help: for that trait implementation, expected `()`, found `i32`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "tests3" test) due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] error[E0599]: no variant named `Resize` found for enum `Message`
[INFO] [stdout]   --> exercises/08_enums/enums2.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Message {
[INFO] [stdout]    | ------------ variant `Resize` not found here
[INFO] [stdout] ...
[INFO] [stdout] 20 |         Message::Resize {
[INFO] [stdout]    |                  ^^^^^^ variant not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AppendBar` is never used
[INFO] [stdout]  --> exercises/15_traits/traits2.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait AppendBar {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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/enums2.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `Move` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |         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/enums2.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `Echo` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 25 |         Message::Echo(String::from("hello world")),
[INFO] [stdout]    |                  ^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> exercises/17_tests/tests3.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> exercises/17_tests/tests3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Rectangle {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 7 |     // 不要修改此函数。
[INFO] [stdout] 8 |     fn new(width: i32, height: i32) -> Self {
[INFO] [stdout]   |        ^^^
[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/enums2.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `ChangeColor` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |         Message::ChangeColor(200, 255, 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/enums2.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Message {
[INFO] [stdout]    | ------------ variant or associated item `Quit` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 27 |         Message::Quit,
[INFO] [stdout]    |                  ^^^^ variant or associated item not found in `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> exercises/08_enums/enums2.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         message.call();
[INFO] [stdout]    |         ^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<i32>` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]   --> exercises/05_vecs/vecs2.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |         .collect()
[INFO] [stdout]    |          ^^^^^^^ value of type `Vec<i32>` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<()>` is not implemented for `Vec<i32>`
[INFO] [stdout]       but trait `FromIterator<i32>` is implemented for it
[INFO] [stdout]   --> /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/alloc/src/vec/mod.rs:3798:0
[INFO] [stdout]    = help: for that trait implementation, expected `i32`, found `()`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]   --> exercises/05_vecs/vecs2.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |       input
[INFO] [stdout]    |       ----- this expression has type `&[i32]`
[INFO] [stdout] 33 |           .iter()
[INFO] [stdout]    |            ------ `Iterator::Item` is `&i32` here
[INFO] [stdout] 34 |           .map(|element| {
[INFO] [stdout]    |  __________^
[INFO] [stdout] 35 | |             // ???
[INFO] [stdout] 36 | |         })
[INFO] [stdout]    | |__________^ `Iterator::Item` changed to `()` here
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/core/src/iter/traits/iterator.rs:2022:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> exercises/05_vecs/vecs2.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut output = Vec::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: `element`
[INFO] [stdout]  --> exercises/05_vecs/vecs2.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     for element in input {
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "enums2") due to 6 previous errors
[INFO] [stderr] error: could not compile `exercises` (bin "vecs2") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "097d0a85edba3c5bdbe6f388d839260147393876368588d0043a2d63899cd138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097d0a85edba3c5bdbe6f388d839260147393876368588d0043a2d63899cd138", kill_on_drop: false }`
[INFO] [stdout] 097d0a85edba3c5bdbe6f388d839260147393876368588d0043a2d63899cd138
