Aug 17 04:06:25.167 INFO checking UnicodeSnowman/writing_an_interpreter_in_rust against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 04:06:25.167 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 04:06:25.167 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 04:06:25.167 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 04:06:25.426 INFO blam! af2e28982e0f82e047bfebf92bf1af0e70d943248b3c10ae3bb39ba94742b010
Aug 17 04:06:25.428 INFO running `"docker" "start" "-a" "af2e28982e0f82e047bfebf92bf1af0e70d943248b3c10ae3bb39ba94742b010"`
Aug 17 04:06:26.236 INFO kablam!     Checking writing_an_interpreter_in_rust v0.1.0 (file:///source)
Aug 17 04:06:27.016 INFO kablam! warning: private type `(dyn ast::Statement + 'static)` in public interface (error E0446)
Aug 17 04:06:27.016 INFO kablam!   --> src/ast.rs:16:5
Aug 17 04:06:27.016 INFO kablam!    |
Aug 17 04:06:27.016 INFO kablam! 16 |     pub statements: Vec<Box<Statement>>
Aug 17 04:06:27.016 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 04:06:27.016 INFO kablam!    |
Aug 17 04:06:27.016 INFO kablam!    = note: #[warn(private_in_public)] on by default
Aug 17 04:06:27.017 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Aug 17 04:06:27.017 INFO kablam!    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Aug 17 04:06:27.017 INFO kablam! 
Aug 17 04:06:27.020 INFO kablam! warning: unused variable: `blah`
Aug 17 04:06:27.020 INFO kablam!   --> src/parser.rs:26:13
Aug 17 04:06:27.020 INFO kablam!    |
Aug 17 04:06:27.020 INFO kablam! 26 |         let blah = lexer.current_token();
Aug 17 04:06:27.020 INFO kablam!    |             ^^^^ help: consider using `_blah` instead
Aug 17 04:06:27.021 INFO kablam!    |
Aug 17 04:06:27.021 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 17 04:06:27.021 INFO kablam! 
Aug 17 04:06:27.090 INFO kablam! error[E0502]: cannot borrow `*lexer` as mutable because it is also borrowed as immutable
Aug 17 04:06:27.090 INFO kablam!   --> src/parser.rs:37:18
Aug 17 04:06:27.090 INFO kablam!    |
Aug 17 04:06:27.090 INFO kablam! 26 |         let blah = lexer.current_token();
Aug 17 04:06:27.090 INFO kablam!    |                    ----- immutable borrow occurs here
Aug 17 04:06:27.090 INFO kablam! ...
Aug 17 04:06:27.090 INFO kablam! 37 |         Parser { lexer, current_token, peek_token, errors: Vec::new() }
Aug 17 04:06:27.090 INFO kablam!    |                  ^^^^^ mutable borrow occurs here
Aug 17 04:06:27.090 INFO kablam! 38 |     }
Aug 17 04:06:27.090 INFO kablam!    |     - immutable borrow ends here
Aug 17 04:06:27.096 INFO kablam! 
Aug 17 04:06:27.103 INFO kablam! error: aborting due to previous error
Aug 17 04:06:27.110 INFO kablam! 
Aug 17 04:06:27.111 INFO kablam! For more information about this error, try `rustc --explain E0502`.
Aug 17 04:06:27.121 INFO kablam! error: Could not compile `writing_an_interpreter_in_rust`.
Aug 17 04:06:27.122 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 04:06:27.135 INFO kablam! warning: private type `(dyn ast::Statement + 'static)` in public interface (error E0446)
Aug 17 04:06:27.135 INFO kablam!   --> src/ast.rs:16:5
Aug 17 04:06:27.135 INFO kablam!    |
Aug 17 04:06:27.135 INFO kablam! 16 |     pub statements: Vec<Box<Statement>>
Aug 17 04:06:27.135 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 04:06:27.135 INFO kablam!    |
Aug 17 04:06:27.135 INFO kablam!    = note: #[warn(private_in_public)] on by default
Aug 17 04:06:27.135 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Aug 17 04:06:27.136 INFO kablam!    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Aug 17 04:06:27.136 INFO kablam! 
Aug 17 04:06:27.138 INFO kablam! warning: unused variable: `blah`
Aug 17 04:06:27.138 INFO kablam!   --> src/parser.rs:26:13
Aug 17 04:06:27.138 INFO kablam!    |
Aug 17 04:06:27.138 INFO kablam! 26 |         let blah = lexer.current_token();
Aug 17 04:06:27.138 INFO kablam!    |             ^^^^ help: consider using `_blah` instead
Aug 17 04:06:27.138 INFO kablam!    |
Aug 17 04:06:27.138 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 17 04:06:27.138 INFO kablam! 
Aug 17 04:06:27.249 INFO kablam! error[E0502]: cannot borrow `*lexer` as mutable because it is also borrowed as immutable
Aug 17 04:06:27.249 INFO kablam!   --> src/parser.rs:37:18
Aug 17 04:06:27.249 INFO kablam!    |
Aug 17 04:06:27.249 INFO kablam! 26 |         let blah = lexer.current_token();
Aug 17 04:06:27.249 INFO kablam!    |                    ----- immutable borrow occurs here
Aug 17 04:06:27.249 INFO kablam! ...
Aug 17 04:06:27.249 INFO kablam! 37 |         Parser { lexer, current_token, peek_token, errors: Vec::new() }
Aug 17 04:06:27.249 INFO kablam!    |                  ^^^^^ mutable borrow occurs here
Aug 17 04:06:27.249 INFO kablam! 38 |     }
Aug 17 04:06:27.249 INFO kablam!    |     - immutable borrow ends here
Aug 17 04:06:27.249 INFO kablam! 
Aug 17 04:06:27.254 INFO kablam! error: aborting due to previous error
Aug 17 04:06:27.254 INFO kablam! 
Aug 17 04:06:27.254 INFO kablam! For more information about this error, try `rustc --explain E0502`.
Aug 17 04:06:27.263 INFO kablam! error: Could not compile `writing_an_interpreter_in_rust`.
Aug 17 04:06:27.267 INFO kablam! 
Aug 17 04:06:27.267 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 04:06:27.268 INFO kablam! su: No module specific data is present
Aug 17 04:06:27.842 INFO running `"docker" "rm" "-f" "af2e28982e0f82e047bfebf92bf1af0e70d943248b3c10ae3bb39ba94742b010"`
Aug 17 04:06:28.018 INFO blam! af2e28982e0f82e047bfebf92bf1af0e70d943248b3c10ae3bb39ba94742b010