Aug 01 23:26:39.815 INFO checking rustc-ap-rustc_data_structures-204.0.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:26:39.815 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:26:39.815 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:26:39.815 INFO running `"docker" "create" "-v" "/tmp/crater.7fl5pnOTivKC:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 23:26:39.978 INFO blam! 89836e89caaa955cecf52b17cd6df6d12717f699b9650b555e73af1eaab13241
Aug 01 23:26:39.981 INFO running `"docker" "start" "-a" "89836e89caaa955cecf52b17cd6df6d12717f699b9650b555e73af1eaab13241"`
Aug 01 23:26:41.556 INFO kablam!     Checking rustc-ap-serialize v204.0.0
Aug 01 23:26:41.557 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 01 23:26:41.557 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v204.0.0
Aug 01 23:26:41.560 INFO kablam!     Checking ena v0.9.3
Aug 01 23:26:41.561 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 01 23:26:42.136 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:42.137 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Aug 01 23:26:42.137 INFO kablam!    |
Aug 01 23:26:42.137 INFO kablam! 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Aug 01 23:26:42.137 INFO kablam!    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:42.137 INFO kablam! 
Aug 01 23:26:42.137 INFO kablam! error: aborting due to previous error
Aug 01 23:26:42.137 INFO kablam! 
Aug 01 23:26:42.137 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:42.142 INFO kablam! error: Could not compile `parking_lot_core`.
Aug 01 23:26:42.143 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:42.214 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:42.214 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-204.0.0/lib.rs:25:1
Aug 01 23:26:42.214 INFO kablam!    |
Aug 01 23:26:42.214 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 01 23:26:42.214 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:42.214 INFO kablam! 
Aug 01 23:26:42.214 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:42.214 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-204.0.0/lib.rs:26:1
Aug 01 23:26:42.214 INFO kablam!    |
Aug 01 23:26:42.214 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 01 23:26:42.214 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:42.214 INFO kablam! 
Aug 01 23:26:42.214 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:42.214 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-204.0.0/lib.rs:27:1
Aug 01 23:26:42.214 INFO kablam!    |
Aug 01 23:26:42.214 INFO kablam! 27 | #![feature(specialization)]
Aug 01 23:26:42.214 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:42.214 INFO kablam! 
Aug 01 23:26:42.214 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:42.214 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-204.0.0/lib.rs:28:1
Aug 01 23:26:42.215 INFO kablam!    |
Aug 01 23:26:42.215 INFO kablam! 28 | #![feature(never_type)]
Aug 01 23:26:42.215 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:26:42.215 INFO kablam! 
Aug 01 23:26:42.225 INFO kablam! error: aborting due to 4 previous errors
Aug 01 23:26:42.225 INFO kablam! 
Aug 01 23:26:42.225 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:42.244 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 23:26:42.244 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:43.540 INFO kablam! error: build failed
Aug 01 23:26:43.541 INFO kablam! su: No module specific data is present
Aug 01 23:26:44.383 INFO running `"docker" "rm" "-f" "89836e89caaa955cecf52b17cd6df6d12717f699b9650b555e73af1eaab13241"`
Aug 01 23:26:44.533 INFO blam! 89836e89caaa955cecf52b17cd6df6d12717f699b9650b555e73af1eaab13241