Aug 02 01:28:11.669 INFO checking racer-2.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:28:11.669 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:28:11.669 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:28:11.670 INFO running `"docker" "create" "-v" "/tmp/crater.k81PVWMhc4a7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 02 01:28:11.906 INFO blam! 2f1fa02f419654622164f073617c49f11d36eb147d522645aa15cfeb2ae623f1
Aug 02 01:28:11.908 INFO running `"docker" "start" "-a" "2f1fa02f419654622164f073617c49f11d36eb147d522645aa15cfeb2ae623f1"`
Aug 02 01:28:13.242 INFO kablam!     Checking rustc-ap-serialize v209.0.0
Aug 02 01:28:13.243 INFO kablam!     Checking rustc-ap-serialize v203.0.0
Aug 02 01:28:13.243 INFO kablam!     Checking scoped-tls v0.1.2
Aug 02 01:28:13.243 INFO kablam!    Compiling rustc-ap-syntax v209.0.0
Aug 02 01:28:13.244 INFO kablam!    Compiling rustc-ap-rustc_target v203.0.0
Aug 02 01:28:13.244 INFO kablam!    Compiling rustc-ap-syntax v203.0.0
Aug 02 01:28:13.244 INFO kablam!     Checking rls-span v0.4.0
Aug 02 01:28:13.262 INFO kablam!    Compiling rustc-ap-rustc_target v209.0.0
Aug 02 01:28:13.353 INFO kablam!     Checking crossbeam-epoch v0.3.1
Aug 02 01:28:15.471 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:15.471 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
Aug 02 01:28:15.471 INFO kablam!    |
Aug 02 01:28:15.471 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
Aug 02 01:28:15.471 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:15.493 INFO kablam! 
Aug 02 01:28:15.494 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:15.494 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:48:34
Aug 02 01:28:15.494 INFO kablam!    |
Aug 02 01:28:15.494 INFO kablam! 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
Aug 02 01:28:15.494 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:15.494 INFO kablam! 
Aug 02 01:28:15.495 INFO kablam! error: aborting due to 2 previous errors
Aug 02 01:28:15.503 INFO kablam! 
Aug 02 01:28:15.503 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:28:15.553 INFO kablam! error: Could not compile `scoped-tls`.
Aug 02 01:28:15.553 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:28:15.734 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:15.734 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1
Aug 02 01:28:15.734 INFO kablam!    |
Aug 02 01:28:15.734 INFO kablam! 12 | #![feature(proc_macro)]
Aug 02 01:28:15.734 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:15.734 INFO kablam! 
Aug 02 01:28:15.737 INFO kablam! error: aborting due to previous error
Aug 02 01:28:15.737 INFO kablam! 
Aug 02 01:28:15.737 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:28:15.745 INFO kablam! error: Could not compile `rls-span`.
Aug 02 01:28:15.745 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:28:16.226 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.226 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:25:1
Aug 02 01:28:16.226 INFO kablam!    |
Aug 02 01:28:16.226 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 02 01:28:16.226 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.226 INFO kablam! 
Aug 02 01:28:16.226 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.226 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:26:1
Aug 02 01:28:16.226 INFO kablam!    |
Aug 02 01:28:16.226 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 02 01:28:16.227 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.227 INFO kablam! 
Aug 02 01:28:16.227 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.227 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:27:1
Aug 02 01:28:16.227 INFO kablam!    |
Aug 02 01:28:16.227 INFO kablam! 27 | #![feature(specialization)]
Aug 02 01:28:16.227 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.227 INFO kablam! 
Aug 02 01:28:16.228 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.228 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-203.0.0/lib.rs:28:1
Aug 02 01:28:16.228 INFO kablam!    |
Aug 02 01:28:16.228 INFO kablam! 28 | #![feature(never_type)]
Aug 02 01:28:16.228 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.228 INFO kablam! 
Aug 02 01:28:16.244 INFO kablam! error: aborting due to 4 previous errors
Aug 02 01:28:16.245 INFO kablam! 
Aug 02 01:28:16.245 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:28:16.254 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 02 01:28:16.255 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:28:16.366 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.366 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:25:1
Aug 02 01:28:16.367 INFO kablam!    |
Aug 02 01:28:16.367 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 02 01:28:16.367 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.367 INFO kablam! 
Aug 02 01:28:16.367 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.367 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:26:1
Aug 02 01:28:16.367 INFO kablam!    |
Aug 02 01:28:16.367 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 02 01:28:16.367 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.367 INFO kablam! 
Aug 02 01:28:16.367 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.367 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:27:1
Aug 02 01:28:16.367 INFO kablam!    |
Aug 02 01:28:16.367 INFO kablam! 27 | #![feature(specialization)]
Aug 02 01:28:16.367 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.367 INFO kablam! 
Aug 02 01:28:16.367 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:28:16.367 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:28:1
Aug 02 01:28:16.367 INFO kablam!    |
Aug 02 01:28:16.367 INFO kablam! 28 | #![feature(never_type)]
Aug 02 01:28:16.367 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:28:16.367 INFO kablam! 
Aug 02 01:28:16.423 INFO kablam! error: aborting due to 4 previous errors
Aug 02 01:28:16.423 INFO kablam! 
Aug 02 01:28:16.423 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:28:16.431 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 02 01:28:16.432 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:28:17.258 INFO kablam! error: build failed
Aug 02 01:28:17.260 INFO kablam! su: No module specific data is present
Aug 02 01:28:17.788 INFO running `"docker" "rm" "-f" "2f1fa02f419654622164f073617c49f11d36eb147d522645aa15cfeb2ae623f1"`
Aug 02 01:28:17.953 INFO blam! 2f1fa02f419654622164f073617c49f11d36eb147d522645aa15cfeb2ae623f1