Aug 01 15:18:58.882 INFO checking racer-rust/racer against 1.27.2 for lazy_static-1
Aug 01 15:18:58.882 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:18:58.882 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:18:58.882 INFO running `"docker" "create" "-v" "/tmp/crater.DKAGbKjve7KM:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 01 15:18:59.134 INFO blam! 91e4e73986daa947bc8463d35df70e9e8972e763652a9bf4deddd2697832055c
Aug 01 15:18:59.137 INFO running `"docker" "start" "-a" "91e4e73986daa947bc8463d35df70e9e8972e763652a9bf4deddd2697832055c"`
Aug 01 15:19:00.850 INFO kablam!     Checking scopeguard v0.3.3
Aug 01 15:19:00.850 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 01 15:19:00.851 INFO kablam!     Checking rustc-ap-serialize v209.0.0
Aug 01 15:19:00.856 INFO kablam!     Checking scoped-tls v0.1.2
Aug 01 15:19:00.861 INFO kablam!    Compiling rustc-ap-rustc_target v209.0.0
Aug 01 15:19:00.864 INFO kablam!     Checking openssl-probe v0.1.2
Aug 01 15:19:00.869 INFO kablam!     Checking semver-parser v0.7.0
Aug 01 15:19:00.888 INFO kablam!     Checking crossbeam v0.3.2
Aug 01 15:19:02.773 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:02.773 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
Aug 01 15:19:02.773 INFO kablam!    |
Aug 01 15:19:02.773 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
Aug 01 15:19:02.773 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:02.780 INFO kablam! 
Aug 01 15:19:02.780 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:02.780 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:48:34
Aug 01 15:19:02.780 INFO kablam!    |
Aug 01 15:19:02.780 INFO kablam! 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
Aug 01 15:19:02.780 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:02.780 INFO kablam! 
Aug 01 15:19:02.781 INFO kablam! error: aborting due to 2 previous errors
Aug 01 15:19:02.793 INFO kablam! 
Aug 01 15:19:02.793 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:19:02.844 INFO kablam! error: Could not compile `scoped-tls`.
Aug 01 15:19:02.845 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:19:04.094 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:04.094 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:25:1
Aug 01 15:19:04.094 INFO kablam!    |
Aug 01 15:19:04.094 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 01 15:19:04.094 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:04.094 INFO kablam! 
Aug 01 15:19:04.094 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:04.094 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:26:1
Aug 01 15:19:04.094 INFO kablam!    |
Aug 01 15:19:04.094 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 01 15:19:04.094 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:04.094 INFO kablam! 
Aug 01 15:19:04.094 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:04.094 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:27:1
Aug 01 15:19:04.094 INFO kablam!    |
Aug 01 15:19:04.094 INFO kablam! 27 | #![feature(specialization)]
Aug 01 15:19:04.094 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:04.108 INFO kablam! 
Aug 01 15:19:04.108 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:04.108 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:28:1
Aug 01 15:19:04.108 INFO kablam!    |
Aug 01 15:19:04.109 INFO kablam! 28 | #![feature(never_type)]
Aug 01 15:19:04.109 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:04.109 INFO kablam! 
Aug 01 15:19:04.196 INFO kablam! error: aborting due to 4 previous errors
Aug 01 15:19:04.196 INFO kablam! 
Aug 01 15:19:04.196 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:19:04.260 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 15:19:04.260 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:19:05.738 INFO kablam! error: build failed
Aug 01 15:19:05.740 INFO kablam! su: No module specific data is present
Aug 01 15:19:06.284 INFO running `"docker" "rm" "-f" "91e4e73986daa947bc8463d35df70e9e8972e763652a9bf4deddd2697832055c"`
Aug 01 15:19:06.447 INFO blam! 91e4e73986daa947bc8463d35df70e9e8972e763652a9bf4deddd2697832055c