[INFO] updating cached repository GTxx/learn_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/GTxx/learn_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/GTxx/learn_rust" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/GTxx/learn_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/GTxx/learn_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/GTxx/learn_rust" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/GTxx/learn_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/GTxx/learn_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b4dc2ad0d71f20b8eb03792f5b8269ce8d7cb321 [INFO] sha for GitHub repo GTxx/learn_rust: b4dc2ad0d71f20b8eb03792f5b8269ce8d7cb321 [INFO] validating manifest of GTxx/learn_rust on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of GTxx/learn_rust on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing GTxx/learn_rust [INFO] finished frobbing GTxx/learn_rust [INFO] frobbed toml for GTxx/learn_rust written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/GTxx/learn_rust/Cargo.toml [INFO] started frobbing GTxx/learn_rust [INFO] finished frobbing GTxx/learn_rust [INFO] frobbed toml for GTxx/learn_rust written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/GTxx/learn_rust/Cargo.toml [INFO] crate GTxx/learn_rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking GTxx/learn_rust against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/GTxx/learn_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 099bacd93cb30febfe3e6c8d7b0d466535c2174695c74385a1e7bf7b22b671ee [INFO] running `"docker" "start" "-a" "099bacd93cb30febfe3e6c8d7b0d466535c2174695c74385a1e7bf7b22b671ee"` [INFO] [stderr] Checking learn_rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0603]: function `find_queen_position` is private [INFO] [stderr] --> src/main.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | use queen::find_queen_position; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/queen.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 18 | fn find_queen_position(result: Vec, row: i8) -> HashSet{ [INFO] [stderr] | ----------- expected `std::collections::HashSet` because of return type [INFO] [stderr] ... [INFO] [stderr] 26 | return available_col.difference(&disabled_col) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::collections::HashSet`, found struct `std::collections::hash_set::Difference` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::HashSet` [INFO] [stderr] found type `std::collections::hash_set::Difference<'_, i8, std::collections::hash_map::RandomState>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0603. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `learn_rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0603]: function `find_queen_position` is private [INFO] [stderr] --> src/main.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | use queen::find_queen_position; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/queen.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 18 | fn find_queen_position(result: Vec, row: i8) -> HashSet{ [INFO] [stderr] | ----------- expected `std::collections::HashSet` because of return type [INFO] [stderr] ... [INFO] [stderr] 26 | return available_col.difference(&disabled_col) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::collections::HashSet`, found struct `std::collections::hash_set::Difference` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::HashSet` [INFO] [stderr] found type `std::collections::hash_set::Difference<'_, i8, std::collections::hash_map::RandomState>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0603. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `learn_rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "099bacd93cb30febfe3e6c8d7b0d466535c2174695c74385a1e7bf7b22b671ee"` [INFO] running `"docker" "rm" "-f" "099bacd93cb30febfe3e6c8d7b0d466535c2174695c74385a1e7bf7b22b671ee"` [INFO] [stdout] 099bacd93cb30febfe3e6c8d7b0d466535c2174695c74385a1e7bf7b22b671ee