[INFO] cloning repository https://github.com/rici4kubicek/jetbrains-academy-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/rici4kubicek/jetbrains-academy-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frici4kubicek%2Fjetbrains-academy-learn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frici4kubicek%2Fjetbrains-academy-learn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5238b646df198ab78c0f6ae69cff7557c655088b
[INFO] checking rici4kubicek/jetbrains-academy-learn-rust against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frici4kubicek%2Fjetbrains-academy-learn-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/rici4kubicek/jetbrains-academy-learn-rust
[INFO] finished tweaking git repo https://github.com/rici4kubicek/jetbrains-academy-learn-rust
[INFO] tweaked toml for git repo https://github.com/rici4kubicek/jetbrains-academy-learn-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rici4kubicek/jetbrains-academy-learn-rust on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rici4kubicek/jetbrains-academy-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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2aa2a6e27f4f9ccfcb32ee56dfaf675e2d3df97e5353d0ddf969b3973a80e93
[INFO] running `Command { std: "docker" "start" "-a" "f2aa2a6e27f4f9ccfcb32ee56dfaf675e2d3df97e5353d0ddf969b3973a80e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2aa2a6e27f4f9ccfcb32ee56dfaf675e2d3df97e5353d0ddf969b3973a80e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2aa2a6e27f4f9ccfcb32ee56dfaf675e2d3df97e5353d0ddf969b3973a80e93", kill_on_drop: false }`
[INFO] [stdout] f2aa2a6e27f4f9ccfcb32ee56dfaf675e2d3df97e5353d0ddf969b3973a80e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852186f765a0512a2428bbe9dd07cb0ad43632171a4db30ace29d048ad800f21
[INFO] running `Command { std: "docker" "start" "-a" "852186f765a0512a2428bbe9dd07cb0ad43632171a4db30ace29d048ad800f21", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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]    Compiling escargot v0.5.13
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/Macros/Procedural Macros/hello_macro)
[INFO] [stderr]     Checking capitalize_first v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Iterators/Capitalize first)
[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 from_into v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/From Into)
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Checking generics_in_structs v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Generic Data Types/Generics in Structs)
[INFO] [stderr] error: could not compile `capitalize_first` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> Standard Library Types/Type Conversions/From Into/src/lib.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn from(s: &str) -> Person {
[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] [stderr] error: could not compile `from_into` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "852186f765a0512a2428bbe9dd07cb0ad43632171a4db30ace29d048ad800f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852186f765a0512a2428bbe9dd07cb0ad43632171a4db30ace29d048ad800f21", kill_on_drop: false }`
[INFO] [stdout] 852186f765a0512a2428bbe9dd07cb0ad43632171a4db30ace29d048ad800f21
