Sep 19 12:59:00.719 INFO checking max6cn/Kaleidoscope.rs against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 12:59:00.719 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 12:59:00.719 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 12:59:00.892 INFO blam! cd076c602f0d09b2bae6ee16231896065bf3804250060b60f9a9b84a7c1ee75d
Sep 19 12:59:00.899 INFO running `"docker" "start" "-a" "cd076c602f0d09b2bae6ee16231896065bf3804250060b60f9a9b84a7c1ee75d"`
Sep 19 12:59:02.075 INFO kablam! usermod: no changes
Sep 19 12:59:02.119 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Sep 19 12:59:02.119 INFO kablam! disables Cargo from automatically inferring other binary targets.
Sep 19 12:59:02.119 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 19 12:59:02.119 INFO kablam! files will be included as a binary target:
Sep 19 12:59:02.119 INFO kablam! 
Sep 19 12:59:02.119 INFO kablam! * /source/src/bin/main.rs
Sep 19 12:59:02.119 INFO kablam! 
Sep 19 12:59:02.119 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 19 12:59:02.119 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Sep 19 12:59:02.119 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Sep 19 12:59:02.119 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 19 12:59:02.119 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 19 12:59:02.119 INFO kablam! 
Sep 19 12:59:02.119 INFO kablam! For more information on this warning you can consult
Sep 19 12:59:02.119 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 19 12:59:02.119 INFO kablam! warning: path `/source/src/bin/main.rs` was erroneously implicitly accepted for binary `Kaleidoscope`,
Sep 19 12:59:02.119 INFO kablam! please set bin.path in Cargo.toml
Sep 19 12:59:02.203 INFO kablam!    Compiling regex v1.0.5
Sep 19 12:59:02.203 INFO kablam!    Compiling memchr v2.1.0
Sep 19 12:59:04.199 INFO kablam!     Checking aho-corasick v0.6.8
Sep 19 12:59:07.979 INFO kablam!     Checking env_logger v0.5.13
Sep 19 12:59:08.715 INFO kablam!     Checking Kaleidoscope v0.1.0 (/source)
Sep 19 12:59:09.086 INFO kablam! warning: variable does not need to be mutable
Sep 19 12:59:09.086 INFO kablam!   --> src/lib/Lexer.rs:16:13
Sep 19 12:59:09.086 INFO kablam!    |
Sep 19 12:59:09.086 INFO kablam! 16 |         let mut bs = self.buf.as_mut_slice();
Sep 19 12:59:09.086 INFO kablam!    |             ----^^
Sep 19 12:59:09.086 INFO kablam!    |             |
Sep 19 12:59:09.086 INFO kablam!    |             help: remove this `mut`
Sep 19 12:59:09.086 INFO kablam!    |
Sep 19 12:59:09.086 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 12:59:09.086 INFO kablam! 
Sep 19 12:59:09.110 INFO kablam! warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
Sep 19 12:59:09.110 INFO kablam!  --> src/lib/lib.rs:1:12
Sep 19 12:59:09.110 INFO kablam!   |
Sep 19 12:59:09.110 INFO kablam! 1 | #![feature(core,convert)]
Sep 19 12:59:09.110 INFO kablam!   |            ^^^^
Sep 19 12:59:09.110 INFO kablam!   |
Sep 19 12:59:09.110 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 19 12:59:09.110 INFO kablam! 
Sep 19 12:59:09.110 INFO kablam! error[E0635]: unknown feature `convert`
Sep 19 12:59:09.110 INFO kablam!  --> src/lib/lib.rs:1:17
Sep 19 12:59:09.110 INFO kablam!   |
Sep 19 12:59:09.110 INFO kablam! 1 | #![feature(core,convert)]
Sep 19 12:59:09.111 INFO kablam!   |                 ^^^^^^^
Sep 19 12:59:09.111 INFO kablam! 
Sep 19 12:59:09.111 INFO kablam! error[E0635]: unknown feature `scoped`
Sep 19 12:59:09.111 INFO kablam!  --> src/lib/lib.rs:6:12
Sep 19 12:59:09.111 INFO kablam!   |
Sep 19 12:59:09.112 INFO kablam! 6 | #![feature(scoped)]
Sep 19 12:59:09.112 INFO kablam!   |            ^^^^^^
Sep 19 12:59:09.112 INFO kablam! 
Sep 19 12:59:09.132 INFO kablam! error: aborting due to 2 previous errors
Sep 19 12:59:09.132 INFO kablam! 
Sep 19 12:59:09.132 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 19 12:59:09.142 INFO kablam! error: Could not compile `Kaleidoscope`.
Sep 19 12:59:09.143 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 12:59:09.426 INFO kablam! error[E0599]: no method named `unwrap` found for type `()` in the current scope
Sep 19 12:59:09.427 INFO kablam!    --> src/lib/Parser.rs:301:28
Sep 19 12:59:09.427 INFO kablam!     |
Sep 19 12:59:09.427 INFO kablam! 301 |         env_logger::init().unwrap();
Sep 19 12:59:09.427 INFO kablam!     |                            ^^^^^^
Sep 19 12:59:09.427 INFO kablam! 
Sep 19 12:59:09.434 INFO kablam! error: aborting due to previous error
Sep 19 12:59:09.435 INFO kablam! 
Sep 19 12:59:09.435 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 19 12:59:09.446 INFO kablam! error: Could not compile `Kaleidoscope`.
Sep 19 12:59:09.447 INFO kablam! 
Sep 19 12:59:09.447 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 12:59:09.447 INFO kablam! su: No module specific data is present
Sep 19 12:59:10.646 INFO running `"docker" "rm" "-f" "cd076c602f0d09b2bae6ee16231896065bf3804250060b60f9a9b84a7c1ee75d"`
Sep 19 12:59:10.913 INFO blam! cd076c602f0d09b2bae6ee16231896065bf3804250060b60f9a9b84a7c1ee75d