Aug 01 23:26:22.611 INFO checking rustc-ap-syntax-203.0.0 against 1.27.2 for lazy_static-1
Aug 01 23:26:22.611 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:26:22.611 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:26:22.611 INFO running `"docker" "create" "-v" "/tmp/crater.mxfbI0pm6u0B:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 23:26:22.855 INFO blam! 4515d819b93116d857e26a9b2c0d240ba326e84ffea628edc07971c17100f6aa
Aug 01 23:26:22.857 INFO running `"docker" "start" "-a" "4515d819b93116d857e26a9b2c0d240ba326e84ffea628edc07971c17100f6aa"`
Aug 01 23:26:24.349 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 01 23:26:24.350 INFO kablam!     Checking rustc-ap-serialize v203.0.0
Aug 01 23:26:24.350 INFO kablam!    Compiling rustc-ap-rustc_target v203.0.0
Aug 01 23:26:24.350 INFO kablam!     Checking scoped-tls v0.1.2
Aug 01 23:26:24.350 INFO kablam!    Compiling rustc-ap-syntax v203.0.0 (file:///source)
Aug 01 23:26:24.351 INFO kablam!     Checking rustc-hash v1.0.1
Aug 01 23:26:24.351 INFO kablam!     Checking ena v0.9.3
Aug 01 23:26:24.351 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v203.0.0
Aug 01 23:26:26.439 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:26.439 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
Aug 01 23:26:26.439 INFO kablam!    |
Aug 01 23:26:26.439 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
Aug 01 23:26:26.439 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:26.439 INFO kablam! 
Aug 01 23:26:26.440 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:26.440 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:48:34
Aug 01 23:26:26.440 INFO kablam!    |
Aug 01 23:26:26.440 INFO kablam! 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
Aug 01 23:26:26.440 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:26.440 INFO kablam! 
Aug 01 23:26:26.441 INFO kablam! error: aborting due to 2 previous errors
Aug 01 23:26:26.444 INFO kablam! 
Aug 01 23:26:26.444 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:26.485 INFO kablam! error: Could not compile `scoped-tls`.
Aug 01 23:26:26.485 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:27.063 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:27.063 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:25:1
Aug 01 23:26:27.063 INFO kablam!    |
Aug 01 23:26:27.063 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 01 23:26:27.063 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:27.071 INFO kablam! 
Aug 01 23:26:27.071 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:27.071 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:26:1
Aug 01 23:26:27.071 INFO kablam!    |
Aug 01 23:26:27.071 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 01 23:26:27.071 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:27.071 INFO kablam! 
Aug 01 23:26:27.071 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:27.071 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:27:1
Aug 01 23:26:27.071 INFO kablam!    |
Aug 01 23:26:27.071 INFO kablam! 27 | #![feature(specialization)]
Aug 01 23:26:27.071 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:27.071 INFO kablam! 
Aug 01 23:26:27.071 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:27.071 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:28:1
Aug 01 23:26:27.071 INFO kablam!    |
Aug 01 23:26:27.071 INFO kablam! 28 | #![feature(never_type)]
Aug 01 23:26:27.071 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:27.071 INFO kablam! 
Aug 01 23:26:27.100 INFO kablam! error: aborting due to 4 previous errors
Aug 01 23:26:27.100 INFO kablam! 
Aug 01 23:26:27.100 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:27.110 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 23:26:27.112 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:28.229 INFO kablam! error: build failed
Aug 01 23:26:28.232 INFO kablam! su: No module specific data is present
Aug 01 23:26:28.930 INFO running `"docker" "rm" "-f" "4515d819b93116d857e26a9b2c0d240ba326e84ffea628edc07971c17100f6aa"`
Aug 01 23:26:29.057 INFO blam! 4515d819b93116d857e26a9b2c0d240ba326e84ffea628edc07971c17100f6aa