[INFO] cloning repository https://github.com/FaceEnte/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FaceEnte/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFaceEnte%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFaceEnte%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 053f204ab7517307bdf45816b4f558003b2df8fe
[INFO] checking FaceEnte/learn-rust against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFaceEnte%2Flearn-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/FaceEnte/learn-rust
[INFO] finished tweaking git repo https://github.com/FaceEnte/learn-rust
[INFO] tweaked toml for git repo https://github.com/FaceEnte/learn-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FaceEnte/learn-rust on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FaceEnte/learn-rust 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f941a2fe98f7e2024f64f21b6b5ef9a2bbb8c35035d7f7ff4ef735bb026e755
[INFO] running `Command { std: "docker" "start" "-a" "9f941a2fe98f7e2024f64f21b6b5ef9a2bbb8c35035d7f7ff4ef735bb026e755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f941a2fe98f7e2024f64f21b6b5ef9a2bbb8c35035d7f7ff4ef735bb026e755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f941a2fe98f7e2024f64f21b6b5ef9a2bbb8c35035d7f7ff4ef735bb026e755", kill_on_drop: false }`
[INFO] [stdout] 9f941a2fe98f7e2024f64f21b6b5ef9a2bbb8c35035d7f7ff4ef735bb026e755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bcb18813f2d81bbbd8b80956d68d9fccea48df6ecbf62bf4c3f6c1c54b23987
[INFO] running `Command { std: "docker" "start" "-a" "6bcb18813f2d81bbbd8b80956d68d9fccea48df6ecbf62bf4c3f6c1c54b23987", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling escargot v0.5.13
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/Macros/Procedural Macros/hello_macro)
[INFO] [stderr]     Checking count_typed_cells v0.1.0 (/opt/rustwide/workdir/Common Collections/Vectors/Count Typed Cells)
[INFO] [stderr]     Checking generics_in_structs v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Generic Data Types/Generics in Structs)
[INFO] [stderr]     Checking loop_over_vector_with_iterators v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Loop Over Vector With Iterators)
[INFO] [stderr]     Checking trait_bound_syntax v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/Trait Bound Syntax)
[INFO] [stderr]     Checking errors6 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Custom Errors)
[INFO] [stderr]     Checking capitalize_first v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Capitalize first)
[INFO] [stderr]     Checking using_as v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/Using As)
[INFO] [stdout] error[E0277]: a value of type `Vec<i32>` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]  --> Standard Library Types/Iterators/Loop Over Vector With Iterators/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     }).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]   = 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]  --> Standard Library Types/Iterators/Loop Over Vector With Iterators/src/lib.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |       v.iter().map(|num| {
[INFO] [stdout]   |  _____-_------_^
[INFO] [stdout]   | |     | |
[INFO] [stdout]   | |     | `Iterator::Item` is `&i32` here
[INFO] [stdout]   | |     this expression has type `&Vec<i32>`
[INFO] [stdout] 3 | |         // TODO: Complete the function to multiply all the elements in the given vector
[INFO] [stdout] 4 | |     }).collect()
[INFO] [stdout]   | |______^ `Iterator::Item` changed to `()` here
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/iter/traits/iterator.rs:2014:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `?`
[INFO] [stdout]  --> Standard Library Types/Iterators/Capitalize first/src/lib.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |         Some(first) => ???,
[INFO] [stdout]   |                     -- ^ expected expression
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     while parsing the `match` arm starting here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advanced_errors_2 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Advanced Errors 2)
[INFO] [stderr] error: could not compile `loop_over_vector_with_iterators` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: cannot divide `f64` by `usize`
[INFO] [stdout]  --> Standard Library Types/Type Conversions/Using As/src/lib.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     total / values.len()// Something goes here!
[INFO] [stdout]   |           ^ no implementation for `f64 / usize`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Div<usize>` is not implemented for `f64`
[INFO] [stdout]   = help: the following other types implement trait `Div<Rhs>`:
[INFO] [stdout]             `&f64` implements `Div<f64>`
[INFO] [stdout]             `&f64` implements `Div`
[INFO] [stdout]             `f64` implements `Div<&f64>`
[INFO] [stdout]             `f64` implements `Div`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]   --> Standard Library Types/Iterators/Capitalize first/src/lib.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn capitalize_words_vector(words: &[&str]) -> Vec<String> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]   --> Standard Library Types/Iterators/Capitalize first/src/lib.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn capitalize_words_string(words: &[&str]) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `using_as` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `capitalize_first` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn from(e: ParseFloatError) -> Self {
[INFO] [stdout]    |        ----                        ^^^^ expected `ParseClimateError`, 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 `advanced_errors_2` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6bcb18813f2d81bbbd8b80956d68d9fccea48df6ecbf62bf4c3f6c1c54b23987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcb18813f2d81bbbd8b80956d68d9fccea48df6ecbf62bf4c3f6c1c54b23987", kill_on_drop: false }`
[INFO] [stdout] 6bcb18813f2d81bbbd8b80956d68d9fccea48df6ecbf62bf4c3f6c1c54b23987
