Aug 02 13:17:14.037 INFO checking cargo-src-0.1.4 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:17:14.037 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:17:14.037 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:17:14.037 INFO running `"docker" "create" "-v" "/tmp/crater.wDAvGzWc9sy6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 13:17:14.299 INFO blam! 7cf01002348bacde3c6ff5dc3a311b96bb15ffb34c7641315f6dbf6d3954fdc3
Aug 02 13:17:14.301 INFO running `"docker" "start" "-a" "7cf01002348bacde3c6ff5dc3a311b96bb15ffb34c7641315f6dbf6d3954fdc3"`
Aug 02 13:17:15.451 INFO kablam!     Checking nibble_vec v0.0.4
Aug 02 13:17:15.451 INFO kablam!     Checking endian-type v0.1.2
Aug 02 13:17:15.452 INFO kablam!     Checking rls-blacklist v0.1.2
Aug 02 13:17:15.456 INFO kablam!     Checking rls-span v0.4.0
Aug 02 13:17:15.457 INFO kablam!     Checking rustdoc-highlight v0.1.4
Aug 02 13:17:15.458 INFO kablam!    Compiling cargo-src v0.1.4 (file:///source)
Aug 02 13:17:18.189 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:17:18.189 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1
Aug 02 13:17:18.189 INFO kablam!    |
Aug 02 13:17:18.189 INFO kablam! 12 | #![feature(proc_macro)]
Aug 02 13:17:18.189 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:17:18.189 INFO kablam! 
Aug 02 13:17:18.192 INFO kablam! error: aborting due to previous error
Aug 02 13:17:18.216 INFO kablam! 
Aug 02 13:17:18.217 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:17:18.260 INFO kablam! error: Could not compile `rls-span`.
Aug 02 13:17:18.260 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:17:20.194 INFO kablam! error[E0531]: cannot find unit struct/variant or constant `SingleQuote` in module `token`
Aug 02 13:17:20.194 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustdoc-highlight-0.1.4/src/lib.rs:256:60
Aug 02 13:17:20.194 INFO kablam!     |
Aug 02 13:17:20.194 INFO kablam! 256 |                 token::CloseDelim(token::NoDelim) | token::SingleQuote => Class::None,
Aug 02 13:17:20.194 INFO kablam!     |                                                            ^^^^^^^^^^^ not found in `token`
Aug 02 13:17:20.194 INFO kablam! 
Aug 02 13:17:20.196 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:17:20.196 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustdoc-highlight-0.1.4/src/lib.rs:23:1
Aug 02 13:17:20.196 INFO kablam!    |
Aug 02 13:17:20.196 INFO kablam! 23 | #![feature(rustc_private)]
Aug 02 13:17:20.196 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:17:20.196 INFO kablam! 
Aug 02 13:17:20.198 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:17:20.198 INFO kablam! 
Aug 02 13:17:20.198 INFO kablam! Some errors occurred: E0531, E0554.
Aug 02 13:17:20.198 INFO kablam! For more information about an error, try `rustc --explain E0531`.
Aug 02 13:17:20.218 INFO kablam! error: Could not compile `rustdoc-highlight`.
Aug 02 13:17:20.218 INFO kablam! 
Aug 02 13:17:20.218 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:17:20.219 INFO kablam! su: No module specific data is present
Aug 02 13:17:20.794 INFO running `"docker" "rm" "-f" "7cf01002348bacde3c6ff5dc3a311b96bb15ffb34c7641315f6dbf6d3954fdc3"`
Aug 02 13:17:20.960 INFO blam! 7cf01002348bacde3c6ff5dc3a311b96bb15ffb34c7641315f6dbf6d3954fdc3