Jul 11 14:08:11.343 INFO checking max6cn/Kaleidoscope.rs against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 11 14:08:11.343 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 14:08:11.343 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 14:08:11.343 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 14:08:11.586 INFO blam! 5c345aa12ed0f5f7a45e7993fcaba23baa56e3a482f2345ed14a4d351154f82f
Jul 11 14:08:11.589 INFO running `"docker" "start" "-a" "5c345aa12ed0f5f7a45e7993fcaba23baa56e3a482f2345ed14a4d351154f82f"`
Jul 11 14:08:12.515 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Jul 11 14:08:12.515 INFO kablam! disables Cargo from automatically inferring other binary targets.
Jul 11 14:08:12.515 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Jul 11 14:08:12.515 INFO kablam! files will be included as a binary target:
Jul 11 14:08:12.515 INFO kablam! 
Jul 11 14:08:12.515 INFO kablam! * /source/src/bin/main.rs
Jul 11 14:08:12.515 INFO kablam! 
Jul 11 14:08:12.515 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Jul 11 14:08:12.515 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Jul 11 14:08:12.515 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Jul 11 14:08:12.515 INFO kablam! section. You may also move the files to a location where Cargo would not
Jul 11 14:08:12.516 INFO kablam! automatically infer them to be a target, such as in subfolders.
Jul 11 14:08:12.516 INFO kablam! 
Jul 11 14:08:12.516 INFO kablam! For more information on this warning you can consult
Jul 11 14:08:12.516 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Jul 11 14:08:12.516 INFO kablam! warning: path `/source/src/bin/main.rs` was erroneously implicitly accepted for binary `Kaleidoscope`,
Jul 11 14:08:12.516 INFO kablam! please set bin.path in Cargo.toml
Jul 11 14:08:12.601 INFO kablam!     Checking Kaleidoscope v0.1.0 (file:///source)
Jul 11 14:08:13.843 INFO kablam! warning: variable does not need to be mutable
Jul 11 14:08:13.843 INFO kablam!   --> src/lib/Lexer.rs:16:13
Jul 11 14:08:13.843 INFO kablam!    |
Jul 11 14:08:13.843 INFO kablam! 16 |         let mut bs = self.buf.as_mut_slice();
Jul 11 14:08:13.843 INFO kablam!    |             ----^^
Jul 11 14:08:13.843 INFO kablam!    |             |
Jul 11 14:08:13.844 INFO kablam!    |             help: remove this `mut`
Jul 11 14:08:13.844 INFO kablam!    |
Jul 11 14:08:13.844 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 11 14:08:13.844 INFO kablam! 
Jul 11 14:08:13.886 INFO kablam! error[E0599]: no method named `unwrap` found for type `()` in the current scope
Jul 11 14:08:13.886 INFO kablam!    --> src/lib/Parser.rs:301:28
Jul 11 14:08:13.886 INFO kablam!     |
Jul 11 14:08:13.886 INFO kablam! 301 |         env_logger::init().unwrap();
Jul 11 14:08:13.886 INFO kablam!     |                            ^^^^^^
Jul 11 14:08:13.886 INFO kablam! 
Jul 11 14:08:13.898 INFO kablam! error: aborting due to previous error
Jul 11 14:08:13.898 INFO kablam! 
Jul 11 14:08:13.898 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Jul 11 14:08:13.923 INFO kablam! error: Could not compile `Kaleidoscope`.
Jul 11 14:08:13.924 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 11 14:08:14.047 INFO kablam! error: build failed
Jul 11 14:08:14.049 INFO kablam! su: No module specific data is present
Jul 11 14:08:14.563 INFO running `"docker" "rm" "-f" "5c345aa12ed0f5f7a45e7993fcaba23baa56e3a482f2345ed14a4d351154f82f"`
Jul 11 14:08:14.774 INFO blam! 5c345aa12ed0f5f7a45e7993fcaba23baa56e3a482f2345ed14a4d351154f82f