[INFO] cloning repository https://github.com/cgrimal/wordle-assistant-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cgrimal/wordle-assistant-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgrimal%2Fwordle-assistant-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgrimal%2Fwordle-assistant-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3013fb721ad7dc56c99106e6bf604035fa86b758
[INFO] testing cgrimal/wordle-assistant-rust against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgrimal%2Fwordle-assistant-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cgrimal/wordle-assistant-rust on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cgrimal/wordle-assistant-rust
[INFO] finished tweaking git repo https://github.com/cgrimal/wordle-assistant-rust
[INFO] tweaked toml for git repo https://github.com/cgrimal/wordle-assistant-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cgrimal/wordle-assistant-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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79c351876173748f7174f9a4f0649444223aa6eb1472d3817dd492f07dddd702
[INFO] running `Command { std: "docker" "start" "-a" "79c351876173748f7174f9a4f0649444223aa6eb1472d3817dd492f07dddd702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79c351876173748f7174f9a4f0649444223aa6eb1472d3817dd492f07dddd702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c351876173748f7174f9a4f0649444223aa6eb1472d3817dd492f07dddd702", kill_on_drop: false }`
[INFO] [stdout] 79c351876173748f7174f9a4f0649444223aa6eb1472d3817dd492f07dddd702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d86cd733a0ded1d6e265ad8df037e19559852308099b1940cf3db549a3245517
[INFO] running `Command { std: "docker" "start" "-a" "d86cd733a0ded1d6e265ad8df037e19559852308099b1940cf3db549a3245517", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordle-assistant-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn score_letters(words: Vec<String>) -> HashMap<char, u32> {
[INFO] [stdout]   |    -------------                        ^^^^^^^^^^^^^^^^^^ expected `HashMap<char, u32>`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `HashMap<char, u32>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<char>` cannot be built from an iterator over elements of type `&str`
[INFO] [stdout]  --> src/main.rs:6:76
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let character_list: Vec<char> = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split("").collect();
[INFO] [stdout]   |                                                                            ^^^^^^^ value of type `Vec<char>` cannot be built from `std::iter::Iterator<Item=&str>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromIterator<&str>` is not implemented for `Vec<char>`
[INFO] [stdout]   = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]  --> src/main.rs:6:66
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let character_list: Vec<char> = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split("").collect();
[INFO] [stdout]   |                                     ---------------------------- ^^^^^^^^^ `Iterator::Item` is `&str` here
[INFO] [stdout]   |                                     |
[INFO] [stdout]   |                                     this expression has type `&str`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/iter/traits/iterator.rs:1892:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wordle-assistant-rust` (bin "wordle-assistant-rust") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d86cd733a0ded1d6e265ad8df037e19559852308099b1940cf3db549a3245517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86cd733a0ded1d6e265ad8df037e19559852308099b1940cf3db549a3245517", kill_on_drop: false }`
[INFO] [stdout] d86cd733a0ded1d6e265ad8df037e19559852308099b1940cf3db549a3245517
