Aug 01 21:29:13.274 INFO checking standalone-proc-macro2-0.2.2 against 1.27.2 for lazy_static-1
Aug 01 21:29:13.274 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:29:13.274 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:29:13.274 INFO running `"docker" "create" "-v" "/tmp/crater.X3r9UV3Wgg6Z:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 21:29:13.561 INFO blam! 29fc21f5f0a8cb08911c855cb29224217cb1dc7e7fb0b151f2d27f8857529422
Aug 01 21:29:13.563 INFO running `"docker" "start" "-a" "29fc21f5f0a8cb08911c855cb29224217cb1dc7e7fb0b151f2d27f8857529422"`
Aug 01 21:29:14.814 INFO kablam!     Checking rustc-ap-serialize v40.0.0
Aug 01 21:29:14.815 INFO kablam!    Compiling rustc-ap-syntax v40.0.0
Aug 01 21:29:14.816 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v40.0.0
Aug 01 21:29:14.817 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 01 21:29:15.749 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:29:15.749 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-40.0.0/lib.rs:24:1
Aug 01 21:29:15.749 INFO kablam!    |
Aug 01 21:29:15.749 INFO kablam! 24 | #![feature(rustc_private, box_syntax)]
Aug 01 21:29:15.750 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:29:15.750 INFO kablam! 
Aug 01 21:29:15.750 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:29:15.750 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-40.0.0/lib.rs:25:1
Aug 01 21:29:15.750 INFO kablam!    |
Aug 01 21:29:15.750 INFO kablam! 25 | #![feature(core_intrinsics)]
Aug 01 21:29:15.750 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:29:15.750 INFO kablam! 
Aug 01 21:29:15.750 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:29:15.750 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-40.0.0/lib.rs:26:1
Aug 01 21:29:15.750 INFO kablam!    |
Aug 01 21:29:15.750 INFO kablam! 26 | #![feature(i128_type)]
Aug 01 21:29:15.750 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:29:15.750 INFO kablam! 
Aug 01 21:29:15.750 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:29:15.750 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-40.0.0/lib.rs:27:1
Aug 01 21:29:15.750 INFO kablam!    |
Aug 01 21:29:15.750 INFO kablam! 27 | #![feature(specialization)]
Aug 01 21:29:15.750 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:29:15.750 INFO kablam! 
Aug 01 21:29:15.790 INFO kablam! error: aborting due to 4 previous errors
Aug 01 21:29:15.790 INFO kablam! 
Aug 01 21:29:15.790 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:29:15.801 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 21:29:15.801 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:29:15.978 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:29:15.978 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Aug 01 21:29:15.978 INFO kablam!    |
Aug 01 21:29:15.978 INFO kablam! 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Aug 01 21:29:15.978 INFO kablam!    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:29:15.978 INFO kablam! 
Aug 01 21:29:15.984 INFO kablam! error: aborting due to previous error
Aug 01 21:29:15.984 INFO kablam! 
Aug 01 21:29:15.984 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:29:16.004 INFO kablam! error: Could not compile `parking_lot_core`.
Aug 01 21:29:16.004 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:29:16.409 INFO kablam! error: build failed
Aug 01 21:29:16.411 INFO kablam! su: No module specific data is present
Aug 01 21:29:17.426 INFO running `"docker" "rm" "-f" "29fc21f5f0a8cb08911c855cb29224217cb1dc7e7fb0b151f2d27f8857529422"`
Aug 01 21:29:17.587 INFO blam! 29fc21f5f0a8cb08911c855cb29224217cb1dc7e7fb0b151f2d27f8857529422