Sep 01 14:21:42.871 INFO checking max6cn/Kaleidoscope.rs against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 14:21:42.871 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 14:21:42.871 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 14:21:43.065 INFO blam! 4d5664228f95fa6c07e27506e6fefd274e08faeb8f81ae800e1ae24f0f445195
Sep 01 14:21:43.067 INFO running `"docker" "start" "-a" "4d5664228f95fa6c07e27506e6fefd274e08faeb8f81ae800e1ae24f0f445195"`
Sep 01 14:21:43.618 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Sep 01 14:21:43.618 INFO kablam! disables Cargo from automatically inferring other binary targets.
Sep 01 14:21:43.618 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 01 14:21:43.618 INFO kablam! files will be included as a binary target:
Sep 01 14:21:43.618 INFO kablam! 
Sep 01 14:21:43.618 INFO kablam! * /source/src/bin/main.rs
Sep 01 14:21:43.618 INFO kablam! 
Sep 01 14:21:43.618 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 01 14:21:43.618 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Sep 01 14:21:43.618 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Sep 01 14:21:43.618 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 01 14:21:43.618 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 01 14:21:43.618 INFO kablam! 
Sep 01 14:21:43.619 INFO kablam! For more information on this warning you can consult
Sep 01 14:21:43.619 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 01 14:21:43.619 INFO kablam! warning: path `/source/src/bin/main.rs` was erroneously implicitly accepted for binary `Kaleidoscope`,
Sep 01 14:21:43.619 INFO kablam! please set bin.path in Cargo.toml
Sep 01 14:21:43.665 INFO kablam!     Checking termcolor v1.0.3
Sep 01 14:21:43.666 INFO kablam!     Checking regex v1.0.4
Sep 01 14:21:47.510 INFO kablam!     Checking env_logger v0.5.13
Sep 01 14:21:48.329 INFO kablam!     Checking Kaleidoscope v0.1.0 (file:///source)
Sep 01 14:21:48.866 INFO kablam! warning: variable does not need to be mutable
Sep 01 14:21:48.866 INFO kablam!   --> src/lib/Lexer.rs:16:13
Sep 01 14:21:48.866 INFO kablam!    |
Sep 01 14:21:48.866 INFO kablam! 16 |         let mut bs = self.buf.as_mut_slice();
Sep 01 14:21:48.866 INFO kablam!    |             ----^^
Sep 01 14:21:48.866 INFO kablam!    |             |
Sep 01 14:21:48.866 INFO kablam!    |             help: remove this `mut`
Sep 01 14:21:48.866 INFO kablam!    |
Sep 01 14:21:48.866 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 14:21:48.866 INFO kablam! 
Sep 01 14:21:48.874 INFO kablam! error[E0599]: no method named `unwrap` found for type `()` in the current scope
Sep 01 14:21:48.875 INFO kablam!    --> src/lib/Parser.rs:301:28
Sep 01 14:21:48.875 INFO kablam!     |
Sep 01 14:21:48.875 INFO kablam! 301 |         env_logger::init().unwrap();
Sep 01 14:21:48.875 INFO kablam!     |                            ^^^^^^
Sep 01 14:21:48.875 INFO kablam! 
Sep 01 14:21:48.884 INFO kablam! error: aborting due to previous error
Sep 01 14:21:48.884 INFO kablam! 
Sep 01 14:21:48.884 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 01 14:21:48.893 INFO kablam! error: Could not compile `Kaleidoscope`.
Sep 01 14:21:48.893 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 14:21:48.908 INFO kablam! warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
Sep 01 14:21:48.908 INFO kablam!  --> src/lib/lib.rs:1:12
Sep 01 14:21:48.908 INFO kablam!   |
Sep 01 14:21:48.908 INFO kablam! 1 | #![feature(core,convert)]
Sep 01 14:21:48.908 INFO kablam!   |            ^^^^
Sep 01 14:21:48.908 INFO kablam!   |
Sep 01 14:21:48.908 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 14:21:48.908 INFO kablam! 
Sep 01 14:21:48.908 INFO kablam! error[E0635]: unknown feature `convert`
Sep 01 14:21:48.908 INFO kablam!  --> src/lib/lib.rs:1:17
Sep 01 14:21:48.908 INFO kablam!   |
Sep 01 14:21:48.908 INFO kablam! 1 | #![feature(core,convert)]
Sep 01 14:21:48.908 INFO kablam!   |                 ^^^^^^^
Sep 01 14:21:48.908 INFO kablam! 
Sep 01 14:21:48.909 INFO kablam! error[E0635]: unknown feature `scoped`
Sep 01 14:21:48.909 INFO kablam!  --> src/lib/lib.rs:6:12
Sep 01 14:21:48.909 INFO kablam!   |
Sep 01 14:21:48.909 INFO kablam! 6 | #![feature(scoped)]
Sep 01 14:21:48.909 INFO kablam!   |            ^^^^^^
Sep 01 14:21:48.909 INFO kablam! 
Sep 01 14:21:48.940 INFO kablam! error: aborting due to 2 previous errors
Sep 01 14:21:48.940 INFO kablam! 
Sep 01 14:21:48.940 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 14:21:48.953 INFO kablam! error: Could not compile `Kaleidoscope`.
Sep 01 14:21:48.953 INFO kablam! 
Sep 01 14:21:48.953 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 14:21:48.956 INFO kablam! su: No module specific data is present
Sep 01 14:21:49.528 INFO running `"docker" "rm" "-f" "4d5664228f95fa6c07e27506e6fefd274e08faeb8f81ae800e1ae24f0f445195"`
Sep 01 14:21:49.676 INFO blam! 4d5664228f95fa6c07e27506e6fefd274e08faeb8f81ae800e1ae24f0f445195