[INFO] updating cached repository kamalasaurus/boolean-query-parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kamalasaurus/boolean-query-parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kamalasaurus/boolean-query-parser" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kamalasaurus/boolean-query-parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kamalasaurus/boolean-query-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kamalasaurus/boolean-query-parser" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kamalasaurus/boolean-query-parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kamalasaurus/boolean-query-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1afe1cad4ef2c41b15c1050800cb5a0af8cff9d1
[INFO] sha for GitHub repo kamalasaurus/boolean-query-parser: 1afe1cad4ef2c41b15c1050800cb5a0af8cff9d1
[INFO] validating manifest of kamalasaurus/boolean-query-parser on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kamalasaurus/boolean-query-parser on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kamalasaurus/boolean-query-parser
[INFO] finished frobbing kamalasaurus/boolean-query-parser
[INFO] frobbed toml for kamalasaurus/boolean-query-parser written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kamalasaurus/boolean-query-parser/Cargo.toml
[INFO] started frobbing kamalasaurus/boolean-query-parser
[INFO] finished frobbing kamalasaurus/boolean-query-parser
[INFO] frobbed toml for kamalasaurus/boolean-query-parser written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kamalasaurus/boolean-query-parser/Cargo.toml
[INFO] crate kamalasaurus/boolean-query-parser already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kamalasaurus/boolean-query-parser against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kamalasaurus/boolean-query-parser:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c95a8b5594f05725892ba4f790199f8bfeb45eaf3233aa284a15587b60a88976
[INFO] running `"docker" "start" "-a" "c95a8b5594f05725892ba4f790199f8bfeb45eaf3233aa284a15587b60a88976"`
[INFO] [stderr]     Checking boolean-query-parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/main.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main(source: &str) -> String {
[INFO] [stderr]   |    ----                  ^^^^^^ expected struct `std::string::String`, found ()
[INFO] [stderr]   |    |
[INFO] [stderr]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected type `std::string::String`
[INFO] [stderr]              found type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `main` has invalid return type `std::string::String`
[INFO] [stderr]  --> src/main.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main(source: &str) -> String {
[INFO] [stderr]   |                          ^^^^^^ `main` can only return types that implement `std::process::Termination`
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using `()`, or a `Result`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn parse(source: &str) -> Vec<Token> {
[INFO] [stderr]    |    -----                  ^^^^^^^^^^ expected struct `std::vec::Vec`, found ()
[INFO] [stderr]    |    |
[INFO] [stderr]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::vec::Vec<Token>`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0580]: main function has wrong type
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main(source: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ incorrect number of function parameters
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected type `fn() -> std::string::String`
[INFO] [stderr]              found type `for<'r> fn(&'r str) -> std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0580.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `boolean-query-parser`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/main.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main(source: &str) -> String {
[INFO] [stderr]   |    ----                  ^^^^^^ expected struct `std::string::String`, found ()
[INFO] [stderr]   |    |
[INFO] [stderr]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected type `std::string::String`
[INFO] [stderr]              found type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn parse(source: &str) -> Vec<Token> {
[INFO] [stderr]    |    -----                  ^^^^^^^^^^ expected struct `std::vec::Vec`, found ()
[INFO] [stderr]    |    |
[INFO] [stderr]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::vec::Vec<Token>`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `boolean-query-parser`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c95a8b5594f05725892ba4f790199f8bfeb45eaf3233aa284a15587b60a88976"`
[INFO] running `"docker" "rm" "-f" "c95a8b5594f05725892ba4f790199f8bfeb45eaf3233aa284a15587b60a88976"`
[INFO] [stdout] c95a8b5594f05725892ba4f790199f8bfeb45eaf3233aa284a15587b60a88976