[INFO] updating cached repository AnJaeSeongS2/GuessingGame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AnJaeSeongS2/GuessingGame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AnJaeSeongS2/GuessingGame" "work/ex/beta-1.38-1/sources/1.37.0/gh/AnJaeSeongS2/GuessingGame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AnJaeSeongS2/GuessingGame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AnJaeSeongS2/GuessingGame" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnJaeSeongS2/GuessingGame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnJaeSeongS2/GuessingGame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b8364473d0be2c30bbbdff61d148eb6d7f6ca44
[INFO] sha for GitHub repo AnJaeSeongS2/GuessingGame: 1b8364473d0be2c30bbbdff61d148eb6d7f6ca44
[INFO] validating manifest of AnJaeSeongS2/GuessingGame on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AnJaeSeongS2/GuessingGame on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AnJaeSeongS2/GuessingGame
[INFO] finished frobbing AnJaeSeongS2/GuessingGame
[INFO] frobbed toml for AnJaeSeongS2/GuessingGame written to work/ex/beta-1.38-1/sources/1.37.0/gh/AnJaeSeongS2/GuessingGame/Cargo.toml
[INFO] started frobbing AnJaeSeongS2/GuessingGame
[INFO] finished frobbing AnJaeSeongS2/GuessingGame
[INFO] frobbed toml for AnJaeSeongS2/GuessingGame written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnJaeSeongS2/GuessingGame/Cargo.toml
[INFO] crate AnJaeSeongS2/GuessingGame already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AnJaeSeongS2/GuessingGame against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnJaeSeongS2/GuessingGame:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f01149b8a767a264049f2b3ff5d018b44c40c215062692c14ce301943a9f3c49
[INFO] running `"docker" "start" "-a" "f01149b8a767a264049f2b3ff5d018b44c40c215062692c14ce301943a9f3c49"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `println`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | Structure{a ,b }
[INFO] [stderr]    |                 - expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] ...
[INFO] [stderr] 19 | println!("this struct '{}' won't print...", Structure(1));
[INFO] [stderr]    | ^^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `a` in this scope
[INFO] [stderr]   --> src/main.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 | Structure{a ,b }
[INFO] [stderr]    |           ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `b` in this scope
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 | Structure{a ,b }
[INFO] [stderr]    |              ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `main::Structure` has no field named `a`
[INFO] [stderr]   --> src/main.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Structure(i32);
[INFO] [stderr]    |        --------- `main::Structure` defined here
[INFO] [stderr] 16 | Structure{a ,b }
[INFO] [stderr]    | --------- ^ field does not exist
[INFO] [stderr]    | |
[INFO] [stderr]    | `main::Structure` is a tuple struct, use the appropriate syntax: `main::Structure(/* fields */)`
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `main::Structure` has no field named `b`
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Structure(i32);
[INFO] [stderr]    |        --------- `main::Structure` defined here
[INFO] [stderr] 16 | Structure{a ,b }
[INFO] [stderr]    | ---------    ^ field does not exist
[INFO] [stderr]    | |
[INFO] [stderr]    | `main::Structure` is a tuple struct, use the appropriate syntax: `main::Structure(/* fields */)`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | fn main() {
[INFO] [stderr]    |           - expected `()` because of default return type
[INFO] [stderr] ...
[INFO] [stderr] 16 | Structure{a ,b }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^ expected (), found struct `main::Structure`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `()`
[INFO] [stderr]               found type `main::Structure`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425, E0560.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `guessing_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f01149b8a767a264049f2b3ff5d018b44c40c215062692c14ce301943a9f3c49"`
[INFO] running `"docker" "rm" "-f" "f01149b8a767a264049f2b3ff5d018b44c40c215062692c14ce301943a9f3c49"`
[INFO] [stdout] f01149b8a767a264049f2b3ff5d018b44c40c215062692c14ce301943a9f3c49