Aug 01 15:18:57.641 INFO checking racer-rust/racer against 1.27.2+tmplazy for lazy_static-1
Aug 01 15:18:57.641 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:18:57.641 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:18:57.641 INFO running `"docker" "create" "-v" "/tmp/crater.NMDjdNDz0NSV:/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 01 15:18:57.945 INFO blam! b6187dbf8f15cc71b9f93725861f1891e0d4cceecde2136f6febb54e04052d46
Aug 01 15:18:57.947 INFO running `"docker" "start" "-a" "b6187dbf8f15cc71b9f93725861f1891e0d4cceecde2136f6febb54e04052d46"`
Aug 01 15:18:59.235 INFO kablam!     Blocking waiting for file lock on the git checkouts
Aug 01 15:18:59.890 INFO kablam!     Checking scopeguard v0.3.3
Aug 01 15:18:59.916 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 01 15:18:59.920 INFO kablam!     Checking rustc-ap-serialize v209.0.0
Aug 01 15:18:59.920 INFO kablam!    Compiling rustc-ap-rustc_target v209.0.0
Aug 01 15:18:59.920 INFO kablam!     Checking same-file v1.0.2
Aug 01 15:18:59.920 INFO kablam!     Checking scoped-tls v0.1.2
Aug 01 15:18:59.921 INFO kablam!     Checking crossbeam v0.3.2
Aug 01 15:18:59.921 INFO kablam!     Checking termcolor v0.3.6
Aug 01 15:19:01.255 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:01.255 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
Aug 01 15:19:01.255 INFO kablam!    |
Aug 01 15:19:01.255 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
Aug 01 15:19:01.255 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:01.276 INFO kablam! 
Aug 01 15:19:01.276 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:01.277 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:48:34
Aug 01 15:19:01.277 INFO kablam!    |
Aug 01 15:19:01.277 INFO kablam! 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
Aug 01 15:19:01.277 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:01.280 INFO kablam! 
Aug 01 15:19:01.281 INFO kablam! error: aborting due to 2 previous errors
Aug 01 15:19:01.281 INFO kablam! 
Aug 01 15:19:01.281 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:19:01.320 INFO kablam! error: Could not compile `scoped-tls`.
Aug 01 15:19:01.320 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:19:02.946 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:02.946 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:25:1
Aug 01 15:19:02.946 INFO kablam!    |
Aug 01 15:19:02.946 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 01 15:19:02.946 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:02.946 INFO kablam! 
Aug 01 15:19:02.947 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:02.947 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:26:1
Aug 01 15:19:02.947 INFO kablam!    |
Aug 01 15:19:02.947 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 01 15:19:02.947 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:02.947 INFO kablam! 
Aug 01 15:19:02.948 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:02.948 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:27:1
Aug 01 15:19:02.948 INFO kablam!    |
Aug 01 15:19:02.948 INFO kablam! 27 | #![feature(specialization)]
Aug 01 15:19:02.948 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:02.949 INFO kablam! 
Aug 01 15:19:02.949 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:19:02.949 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:28:1
Aug 01 15:19:02.949 INFO kablam!    |
Aug 01 15:19:02.949 INFO kablam! 28 | #![feature(never_type)]
Aug 01 15:19:02.949 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:19:02.950 INFO kablam! 
Aug 01 15:19:03.001 INFO kablam! error: aborting due to 4 previous errors
Aug 01 15:19:03.020 INFO kablam! 
Aug 01 15:19:03.020 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:19:03.046 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 15:19:03.047 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:19:04.860 INFO kablam! error: build failed
Aug 01 15:19:04.862 INFO kablam! su: No module specific data is present
Aug 01 15:19:05.401 INFO running `"docker" "rm" "-f" "b6187dbf8f15cc71b9f93725861f1891e0d4cceecde2136f6febb54e04052d46"`
Aug 01 15:19:05.553 INFO blam! b6187dbf8f15cc71b9f93725861f1891e0d4cceecde2136f6febb54e04052d46