Aug 01 23:26:20.169 INFO checking rustc-ap-syntax_pos-196.0.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:26:20.169 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:26:20.169 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:26:20.169 INFO running `"docker" "create" "-v" "/tmp/crater.rscnHjniAN7p:/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 01 23:26:20.459 INFO blam! b6682fc54f5bde7b36275611ad734a56b41a49b8da625e82e9981ba24283c363
Aug 01 23:26:20.459 INFO running `"docker" "start" "-a" "b6682fc54f5bde7b36275611ad734a56b41a49b8da625e82e9981ba24283c363"`
Aug 01 23:26:21.635 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 01 23:26:21.637 INFO kablam!     Checking rustc-ap-serialize v196.0.0
Aug 01 23:26:21.637 INFO kablam!     Checking scoped-tls v0.1.2
Aug 01 23:26:21.640 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v196.0.0
Aug 01 23:26:21.642 INFO kablam!     Checking ena v0.9.3
Aug 01 23:26:21.645 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 01 23:26:22.196 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:22.196 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
Aug 01 23:26:22.196 INFO kablam!    |
Aug 01 23:26:22.196 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
Aug 01 23:26:22.196 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:22.196 INFO kablam! 
Aug 01 23:26:22.196 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:22.197 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:48:34
Aug 01 23:26:22.197 INFO kablam!    |
Aug 01 23:26:22.197 INFO kablam! 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
Aug 01 23:26:22.197 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:22.197 INFO kablam! 
Aug 01 23:26:22.197 INFO kablam! error: aborting due to 2 previous errors
Aug 01 23:26:22.197 INFO kablam! 
Aug 01 23:26:22.198 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:22.205 INFO kablam! error:error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:22.205 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Aug 01 23:26:22.205 INFO kablam!    |
Aug 01 23:26:22.206 INFO kablam! 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Aug 01 23:26:22.206 INFO kablam!    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:22.206 INFO kablam! 
Aug 01 23:26:22.206 INFO kablam!  Could not compile `scoped-tls`.
Aug 01 23:26:22.207 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:22.210 INFO kablam! error: aborting due to previous error
Aug 01 23:26:22.210 INFO kablam! 
Aug 01 23:26:22.210 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:22.219 INFO kablam! error: Could not compile `parking_lot_core`.
Aug 01 23:26:22.219 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:22.366 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:22.366 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-196.0.0/lib.rs:25:1
Aug 01 23:26:22.366 INFO kablam!    |
Aug 01 23:26:22.366 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 01 23:26:22.366 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:22.366 INFO kablam! 
Aug 01 23:26:22.366 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:22.366 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-196.0.0/lib.rs:26:1
Aug 01 23:26:22.366 INFO kablam!    |
Aug 01 23:26:22.366 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 01 23:26:22.367 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:22.367 INFO kablam! 
Aug 01 23:26:22.367 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:22.367 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-196.0.0/lib.rs:27:1
Aug 01 23:26:22.367 INFO kablam!    |
Aug 01 23:26:22.367 INFO kablam! 27 | #![feature(specialization)]
Aug 01 23:26:22.367 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:22.367 INFO kablam! 
Aug 01 23:26:22.367 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:22.367 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-196.0.0/lib.rs:28:1
Aug 01 23:26:22.367 INFO kablam!    |
Aug 01 23:26:22.367 INFO kablam! 28 | #![feature(never_type)]
Aug 01 23:26:22.367 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:22.368 INFO kablam! 
Aug 01 23:26:22.403 INFO kablam! error: aborting due to 4 previous errors
Aug 01 23:26:22.403 INFO kablam! 
Aug 01 23:26:22.403 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:22.414 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 23:26:22.415 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:22.837 INFO kablam! error: build failed
Aug 01 23:26:22.838 INFO kablam! su: No module specific data is present
Aug 01 23:26:23.384 INFO running `"docker" "rm" "-f" "b6682fc54f5bde7b36275611ad734a56b41a49b8da625e82e9981ba24283c363"`
Aug 01 23:26:23.561 INFO blam! b6682fc54f5bde7b36275611ad734a56b41a49b8da625e82e9981ba24283c363