Aug 02 13:21:19.493 INFO checking cargo-modules-0.4.1 against 1.27.2 for lazy_static-1
Aug 02 13:21:19.493 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:21:19.494 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:21:19.494 INFO running `"docker" "create" "-v" "/tmp/crater.VWrHwCiKmUza:/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 02 13:21:19.771 INFO blam! 2cc84294c85feea72b945407f8fdff0d6c233ed2bd16b19696f52cec867df495
Aug 02 13:21:19.773 INFO running `"docker" "start" "-a" "2cc84294c85feea72b945407f8fdff0d6c233ed2bd16b19696f52cec867df495"`
Aug 02 13:21:21.533 INFO kablam!     Checking rustc-ap-serialize v154.0.0
Aug 02 13:21:21.534 INFO kablam!     Checking scoped-tls v0.1.2
Aug 02 13:21:21.534 INFO kablam!    Compiling rustc-ap-rustc_target v154.0.0
Aug 02 13:21:21.534 INFO kablam!    Compiling rustc-ap-syntax v154.0.0
Aug 02 13:21:21.537 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 02 13:21:21.550 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v154.0.0
Aug 02 13:21:21.552 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 02 13:21:23.200 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:21:23.200 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
Aug 02 13:21:23.200 INFO kablam!    |
Aug 02 13:21:23.200 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
Aug 02 13:21:23.200 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:21:23.200 INFO kablam! 
Aug 02 13:21:23.200 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:21:23.200 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:48:34
Aug 02 13:21:23.200 INFO kablam!    |
Aug 02 13:21:23.200 INFO kablam! 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
Aug 02 13:21:23.200 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:21:23.200 INFO kablam! 
Aug 02 13:21:23.249 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:21:23.249 INFO kablam! 
Aug 02 13:21:23.249 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:21:23.275 INFO kablam! error: Could not compile `scoped-tls`.
Aug 02 13:21:23.275 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:21:23.561 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:21:23.561 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-154.0.0/lib.rs:23:1
Aug 02 13:21:23.561 INFO kablam!    |
Aug 02 13:21:23.561 INFO kablam! 23 | #![feature(rustc_private, box_syntax)]
Aug 02 13:21:23.561 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:21:23.561 INFO kablam! 
Aug 02 13:21:23.562 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:21:23.562 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-154.0.0/lib.rs:24:1
Aug 02 13:21:23.562 INFO kablam!    |
Aug 02 13:21:23.562 INFO kablam! 24 | #![feature(core_intrinsics)]
Aug 02 13:21:23.562 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:21:23.562 INFO kablam! 
Aug 02 13:21:23.562 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:21:23.562 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-154.0.0/lib.rs:25:1
Aug 02 13:21:23.562 INFO kablam!    |
Aug 02 13:21:23.562 INFO kablam! 25 | #![feature(specialization)]
Aug 02 13:21:23.562 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:21:23.562 INFO kablam! 
Aug 02 13:21:23.631 INFO kablam! error: aborting due to 3 previous errors
Aug 02 13:21:23.640 INFO kablam! 
Aug 02 13:21:23.641 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:21:23.653 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 02 13:21:23.653 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:21:24.111 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:21:24.111 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Aug 02 13:21:24.111 INFO kablam!    |
Aug 02 13:21:24.111 INFO kablam! 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Aug 02 13:21:24.111 INFO kablam!    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:21:24.111 INFO kablam! 
Aug 02 13:21:24.115 INFO kablam! error: aborting due to previous error
Aug 02 13:21:24.115 INFO kablam! 
Aug 02 13:21:24.115 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:21:24.132 INFO kablam! error: Could not compile `parking_lot_core`.
Aug 02 13:21:24.132 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:21:26.096 INFO kablam! error: build failed
Aug 02 13:21:26.097 INFO kablam! su: No module specific data is present
Aug 02 13:21:26.871 INFO running `"docker" "rm" "-f" "2cc84294c85feea72b945407f8fdff0d6c233ed2bd16b19696f52cec867df495"`
Aug 02 13:21:27.047 INFO blam! 2cc84294c85feea72b945407f8fdff0d6c233ed2bd16b19696f52cec867df495