[INFO] cloning repository https://github.com/qzj-123/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qzj-123/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqzj-123%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqzj-123%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b8b35cab6d80dfa01e7bcf8f3e40c214643fc79
[INFO] building qzj-123/rustlings against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqzj-123%2Frustlings" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
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[INFO] started tweaking git repo https://github.com/qzj-123/rustlings
[INFO] finished tweaking git repo https://github.com/qzj-123/rustlings
[INFO] tweaked toml for git repo https://github.com/qzj-123/rustlings written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qzj-123/rustlings on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qzj-123/rustlings 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55071f354df8f8915f605c7cb94a00c28b3836a35b206960304c266e80556257
[INFO] running `Command { std: "docker" "start" "-a" "55071f354df8f8915f605c7cb94a00c28b3836a35b206960304c266e80556257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55071f354df8f8915f605c7cb94a00c28b3836a35b206960304c266e80556257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55071f354df8f8915f605c7cb94a00c28b3836a35b206960304c266e80556257", kill_on_drop: false }`
[INFO] [stdout] 55071f354df8f8915f605c7cb94a00c28b3836a35b206960304c266e80556257
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26fcff8798920c797e087d1b61fd130fca9dac6ce69a0cdfef9c6c9a818515fa
[INFO] running `Command { std: "docker" "start" "-a" "26fcff8798920c797e087d1b61fd130fca9dac6ce69a0cdfef9c6c9a818515fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `name` in this scope
[INFO] [stdout]  --> exercises/04_primitive_types/primitive_types5.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     println!("{name} is {age} years old");
[INFO] [stdout]   |                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `age` in this scope
[INFO] [stdout]  --> exercises/04_primitive_types/primitive_types5.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     println!("{name} is {age} years old");
[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] [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] [stdout] error[E0425]: cannot find value `your_character` in this scope
[INFO] [stdout]   --> exercises/04_primitive_types/primitive_types2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     if your_character.is_alphabetic() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `your_character` in this scope
[INFO] [stdout]   --> exercises/04_primitive_types/primitive_types2.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     } else if your_character.is_numeric() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "primitive_types5") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/06_move_semantics/move_semantics5.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn string_uppercase(mut data: &String) {
[INFO] [stdout]    |                               ------- expected due to this parameter type
[INFO] [stdout] 13 |     data = data.to_uppercase();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ expected `&String`, found `String`
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
[INFO] [stdout]    |
[INFO] [stdout] 12 ~ fn string_uppercase(data: &mut String) {
[INFO] [stdout] 13 ~     *data = data.to_uppercase();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `data`
[INFO] [stdout]   --> exercises/06_move_semantics/move_semantics5.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let data = "Rust is great!".to_string();
[INFO] [stdout]    |         ---- move occurs because `data` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     get_char(data);
[INFO] [stdout]    |              ---- value moved here
[INFO] [stdout] 22 |
[INFO] [stdout] 23 |     string_uppercase(&data);
[INFO] [stdout]    |                      ^^^^^ value borrowed here after move
[INFO] [stdout]    |
[INFO] [stdout] note: consider changing this parameter type in function `get_char` to borrow instead if owning the value isn't necessary
[INFO] [stdout]   --> exercises/06_move_semantics/move_semantics5.rs:7:19
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn get_char(data: String) -> char {
[INFO] [stdout]    |    --------       ^^^^^^ this parameter takes ownership of the value
[INFO] [stdout]    |    |
[INFO] [stdout]    |    in this function
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 21 |     get_char(data.clone());
[INFO] [stdout]    |                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "from_into") due to 1 previous error
[INFO] [stdout] Some errors have detailed explanations: E0308, E0382.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `is_evening` in this scope
[INFO] [stdout]   --> exercises/04_primitive_types/primitive_types1.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if is_evening {
[INFO] [stdout]    |        ^^^^^^^^^^ help: a local variable with a similar name exists: `is_morning`
[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 "primitive_types1") due to 1 previous error
[INFO] [stderr] error: could not compile `exercises` (bin "move_semantics5") due to 2 previous errors
[INFO] [stderr] error: could not compile `exercises` (bin "primitive_types2") due to 2 previous errors
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<_>`
[INFO] [stdout]   --> exercises/20_threads/threads1.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut results = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^   ---------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `results` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut results: Vec<T> = Vec::new();
[INFO] [stdout]    |                    ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "threads1") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "26fcff8798920c797e087d1b61fd130fca9dac6ce69a0cdfef9c6c9a818515fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fcff8798920c797e087d1b61fd130fca9dac6ce69a0cdfef9c6c9a818515fa", kill_on_drop: false }`
[INFO] [stdout] 26fcff8798920c797e087d1b61fd130fca9dac6ce69a0cdfef9c6c9a818515fa