Aug 01 16:16:51.176 INFO checking jwilm/racerd against 1.27.2+tmplazy for lazy_static-1
Aug 01 16:16:51.176 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:16:51.176 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:16:51.176 INFO running `"docker" "create" "-v" "/tmp/crater.yDORJZ1HMKmp:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 16:16:51.519 INFO blam! 1fe157f26aa92881136c503de80ddbe18aab16baaaf692f11f6f9931978fc949
Aug 01 16:16:51.521 INFO running `"docker" "start" "-a" "1fe157f26aa92881136c503de80ddbe18aab16baaaf692f11f6f9931978fc949"`
Aug 01 16:16:53.151 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 01 16:16:53.167 INFO kablam!     Checking rustc-ap-serialize v209.0.0
Aug 01 16:16:53.187 INFO kablam!     Checking modifier v0.1.0
Aug 01 16:16:53.188 INFO kablam!    Compiling rustc-ap-rustc_target v209.0.0
Aug 01 16:16:53.192 INFO kablam!     Checking scoped-tls v0.1.2
Aug 01 16:16:53.193 INFO kablam!     Checking itoa v0.1.1
Aug 01 16:16:53.193 INFO kablam!    Compiling rustc-ap-syntax v209.0.0
Aug 01 16:16:53.193 INFO kablam!     Checking serde v0.8.23
Aug 01 16:16:54.442 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:16:54.442 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
Aug 01 16:16:54.442 INFO kablam!    |
Aug 01 16:16:54.442 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
Aug 01 16:16:54.442 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:16:54.443 INFO kablam! 
Aug 01 16:16:54.443 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:16:54.443 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:48:34
Aug 01 16:16:54.443 INFO kablam!    |
Aug 01 16:16:54.443 INFO kablam! 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
Aug 01 16:16:54.443 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:16:54.443 INFO kablam! 
Aug 01 16:16:54.444 INFO kablam! error: aborting due to 2 previous errors
Aug 01 16:16:54.444 INFO kablam! 
Aug 01 16:16:54.444 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:16:54.556 INFO kablam! error: Could not compile `scoped-tls`.
Aug 01 16:16:54.556 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:16:55.733 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:16:55.733 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:25:1
Aug 01 16:16:55.733 INFO kablam!    |
Aug 01 16:16:55.733 INFO kablam! 25 | #![feature(rustc_private, box_syntax)]
Aug 01 16:16:55.733 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:16:55.733 INFO kablam! 
Aug 01 16:16:55.734 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:16:55.734 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:26:1
Aug 01 16:16:55.734 INFO kablam!    |
Aug 01 16:16:55.734 INFO kablam! 26 | #![feature(core_intrinsics)]
Aug 01 16:16:55.734 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:16:55.734 INFO kablam! 
Aug 01 16:16:55.735 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:16:55.735 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:27:1
Aug 01 16:16:55.735 INFO kablam!    |
Aug 01 16:16:55.735 INFO kablam! 27 | #![feature(specialization)]
Aug 01 16:16:55.735 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:16:55.735 INFO kablam! 
Aug 01 16:16:55.736 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:16:55.736 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-209.0.0/lib.rs:28:1
Aug 01 16:16:55.736 INFO kablam!    |
Aug 01 16:16:55.736 INFO kablam! 28 | #![feature(never_type)]
Aug 01 16:16:55.736 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:16:55.737 INFO kablam! 
Aug 01 16:16:55.765 INFO kablam! error: aborting due to 4 previous errors
Aug 01 16:16:55.765 INFO kablam! 
Aug 01 16:16:55.765 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:16:55.774 INFO kablam! error: Could not compile `rustc-ap-serialize`.
Aug 01 16:16:55.774 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:17:06.437 INFO kablam! error: build failed
Aug 01 16:17:06.439 INFO kablam! su: No module specific data is present
Aug 01 16:17:06.994 INFO running `"docker" "rm" "-f" "1fe157f26aa92881136c503de80ddbe18aab16baaaf692f11f6f9931978fc949"`
Aug 01 16:17:07.152 INFO blam! 1fe157f26aa92881136c503de80ddbe18aab16baaaf692f11f6f9931978fc949