Aug 01 23:23:40.126 INFO checking rustfmt-core-0.4.0 against 1.27.2 for lazy_static-1
Aug 01 23:23:40.126 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:23:40.126 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:23:40.126 INFO running `"docker" "create" "-v" "/tmp/crater.XFF8xClv5MgM:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 23:23:40.374 INFO blam! ad6d47b2a56a082fea2c156900ec02ee1e59c952fde06152775141c8373fc77a
Aug 01 23:23:40.377 INFO running `"docker" "start" "-a" "ad6d47b2a56a082fea2c156900ec02ee1e59c952fde06152775141c8373fc77a"`
Aug 01 23:23:41.668 INFO kablam!     Checking rustc-ap-serialize v29.0.0
Aug 01 23:23:41.669 INFO kablam!    Compiling rustc-ap-syntax v29.0.0
Aug 01 23:23:41.670 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v29.0.0
Aug 01 23:23:41.670 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 01 23:23:41.670 INFO kablam!    Compiling derive-new v0.5.5
Aug 01 23:23:43.435 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:23:43.435 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Aug 01 23:23:43.435 INFO kablam!    |
Aug 01 23:23:43.435 INFO kablam! 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Aug 01 23:23:43.435 INFO kablam!    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:23:43.435 INFO kablam! 
Aug 01 23:23:43.439 INFO kablam! error: aborting due to previous error
Aug 01 23:23:43.439 INFO kablam! 
Aug 01 23:23:43.439 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:23:43.446 INFO kablam! error: Could not compile `parking_lot_core`.
Aug 01 23:23:43.447 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:23:43.488 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:23:43.488 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-29.0.0/lib.rs:24:1
Aug 01 23:23:43.488 INFO kablam!    |
Aug 01 23:23:43.488 INFO kablam! 24 | #![feature(rustc_private, box_syntax)]
Aug 01 23:23:43.488 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:23:43.488 INFO kablam! 
Aug 01 23:23:43.488 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:23:43.488 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-29.0.0/lib.rs:25:1
Aug 01 23:23:43.488 INFO kablam!    |
Aug 01 23:23:43.488 INFO kablam! 25 | #![feature(core_intrinsics)]
Aug 01 23:23:43.488 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:23:43.488 INFO kablam! 
Aug 01 23:23:43.488 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:23:43.488 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-29.0.0/lib.rs:26:1
Aug 01 23:23:43.488 INFO kablam!    |
Aug 01 23:23:43.488 INFO kablam! 26 | #![feature(i128_type)]
Aug 01 23:23:43.488 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:23:43.488 INFO kablam! 
Aug 01 23:23:43.488 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:23:43.488 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-29.0.0/lib.rs:27:1
Aug 01 23:23:43.488 INFO kablam!    |
Aug 01 23:23:43.488 INFO kablam! 27 | #![feature(specialization)]
Aug 01 23:23:43.489 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:23:43.489 INFO kablam! 
Aug 01 23:23:43.504 INFO kablam! error: aborting due to 4 previous errors
Aug 01 23:23:43.505 INFO kablam! 
Aug 01 23:23:43.505 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:23:43.517 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 23:23:43.517 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:23:48.252 INFO kablam! error: build failed
Aug 01 23:23:48.254 INFO kablam! su: No module specific data is present
Aug 01 23:23:49.132 INFO running `"docker" "rm" "-f" "ad6d47b2a56a082fea2c156900ec02ee1e59c952fde06152775141c8373fc77a"`
Aug 01 23:23:49.263 INFO blam! ad6d47b2a56a082fea2c156900ec02ee1e59c952fde06152775141c8373fc77a