[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#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngluca%2Frustlings-zh-cn-rustacean" "/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/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Angluca/rustlings-zh-cn-rustacean on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "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" "+035b01b794602d5861daa43ac792f372f8981ed7" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c308cd5e3d98f85716c40da555419126657a7658ee24e69b5093a9b8b53c9361
[INFO] running `Command { std: "docker" "start" "-a" "c308cd5e3d98f85716c40da555419126657a7658ee24e69b5093a9b8b53c9361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c308cd5e3d98f85716c40da555419126657a7658ee24e69b5093a9b8b53c9361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c308cd5e3d98f85716c40da555419126657a7658ee24e69b5093a9b8b53c9361", kill_on_drop: false }`
[INFO] [stdout] c308cd5e3d98f85716c40da555419126657a7658ee24e69b5093a9b8b53c9361
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7856cba2e8f876dae3e78d5834c59018101d1b867b9e5c77e0e8dfdcb74d83
[INFO] running `Command { std: "docker" "start" "-a" "af7856cba2e8f876dae3e78d5834c59018101d1b867b9e5c77e0e8dfdcb74d83", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version_number` is never read
[INFO] [stdout]  --> solutions/15_traits/traits3.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct SomeSoftware {
[INFO] [stdout]   |        ------------ field in this struct
[INFO] [stdout] 8 |     version_number: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version_number` is never read
[INFO] [stdout]   --> solutions/15_traits/traits3.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct OtherSoftware {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 12 |     version_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]  --> exercises/05_vecs/vecs1.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     (a, v)
[INFO] [stdout]   |         ^
[INFO] [stdout]   |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 8 -     (a, v)
[INFO] [stdout] 8 +     (a, a)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `if` and `else` have incompatible types
[INFO] [stdout]   --> exercises/03_if/if3.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |       } else if animal == "蟒蛇" {
[INFO] [stdout]    |  ____________-
[INFO] [stdout]  8 | |         3
[INFO] [stdout]    | |         - expected because of this
[INFO] [stdout]  9 | |     } else {
[INFO] [stdout] 10 | |         "未知"
[INFO] [stdout]    | |         ^^^^^^ expected integer, found `&str`
[INFO] [stdout] 11 | |     };
[INFO] [stdout]    | |_____- `if` and `else` have incompatible types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "vecs1") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `exercises` (bin "if3") due to 1 previous error
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> exercises/13_error_handling/errors3.rs:21:46
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn main() {
[INFO] [stdout]    | --------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 21 |     let cost = total_cost(pretend_user_input)?;
[INFO] [stdout]    |                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |           +++++++++++++++++++++++++++++++++++++++++
[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 "errors3") due to 1 previous error
[INFO] [stdout] error: cannot find macro `printline` in this scope
[INFO] [stdout]  --> exercises/00_intro/intro2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     printline!("Hello world!");
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  --> /rustc/035b01b794602d5861daa43ac792f372f8981ed7/library/std/src/macros.rs:138:0
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named macro `println` defined here
[INFO] [stdout] help: a macro with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 3 -     printline!("Hello world!");
[INFO] [stdout] 3 +     println!("Hello world!");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "intro2") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "af7856cba2e8f876dae3e78d5834c59018101d1b867b9e5c77e0e8dfdcb74d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7856cba2e8f876dae3e78d5834c59018101d1b867b9e5c77e0e8dfdcb74d83", kill_on_drop: false }`
[INFO] [stdout] af7856cba2e8f876dae3e78d5834c59018101d1b867b9e5c77e0e8dfdcb74d83
