Aug 02 00:34:05.224 INFO checking riker-mapvec-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 00:34:05.224 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:34:05.224 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:34:05.224 INFO running `"docker" "create" "-v" "/tmp/crater.yiPCaZ2Rn9jz:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 02 00:34:05.482 INFO blam! 7a94305243032b5d2bb1478d0305ff256988838473ce8350ee5ddf301e00d68e
Aug 02 00:34:05.485 INFO running `"docker" "start" "-a" "7a94305243032b5d2bb1478d0305ff256988838473ce8350ee5ddf301e00d68e"`
Aug 02 00:34:06.686 INFO kablam!     Checking runtime-fmt v0.3.0
Aug 02 00:34:06.687 INFO kablam!     Checking futures-channel-preview v0.2.2
Aug 02 00:34:06.692 INFO kablam!     Checking futures-io-preview v0.2.2
Aug 02 00:34:06.693 INFO kablam!     Checking futures-cpupool v0.1.8
Aug 02 00:34:06.701 INFO kablam!     Checking config v0.8.0
Aug 02 00:34:08.142 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:34:08.142 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:17:1
Aug 02 00:34:08.142 INFO kablam!    |
Aug 02 00:34:08.142 INFO kablam! 17 | #![feature(fmt_internals)]
Aug 02 00:34:08.142 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:34:08.143 INFO kablam! 
Aug 02 00:34:08.143 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:34:08.143 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:18:1
Aug 02 00:34:08.143 INFO kablam!    |
Aug 02 00:34:08.143 INFO kablam! 18 | #![feature(conservative_impl_trait)]
Aug 02 00:34:08.143 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:34:08.143 INFO kablam! 
Aug 02 00:34:08.143 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:34:08.143 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:19:1
Aug 02 00:34:08.143 INFO kablam!    |
Aug 02 00:34:08.143 INFO kablam! 19 | #![feature(specialization)]
Aug 02 00:34:08.143 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:34:08.143 INFO kablam! 
Aug 02 00:34:08.143 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:34:08.143 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:20:1
Aug 02 00:34:08.143 INFO kablam!    |
Aug 02 00:34:08.143 INFO kablam! 20 | #![feature(print_internals)]
Aug 02 00:34:08.143 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:34:08.143 INFO kablam! 
Aug 02 00:34:08.143 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:34:08.143 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:21:1
Aug 02 00:34:08.143 INFO kablam!    |
Aug 02 00:34:08.143 INFO kablam! 21 | #![feature(rustc_private)]
Aug 02 00:34:08.143 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:34:08.143 INFO kablam! 
Aug 02 00:34:08.143 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:34:08.143 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/lib.rs:22:1
Aug 02 00:34:08.143 INFO kablam!    |
Aug 02 00:34:08.144 INFO kablam! 22 | #![feature(try_from)]
Aug 02 00:34:08.144 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:34:08.144 INFO kablam! 
Aug 02 00:34:08.147 INFO kablam! error: aborting due to 6 previous errors
Aug 02 00:34:08.147 INFO kablam! 
Aug 02 00:34:08.147 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:34:08.190 INFO kablam! error: Could not compile `runtime-fmt`.
Aug 02 00:34:08.190 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 00:34:11.541 INFO kablam! error: build failed
Aug 02 00:34:11.547 INFO kablam! su: No module specific data is present
Aug 02 00:34:12.501 INFO running `"docker" "rm" "-f" "7a94305243032b5d2bb1478d0305ff256988838473ce8350ee5ddf301e00d68e"`
Aug 02 00:34:12.682 INFO blam! 7a94305243032b5d2bb1478d0305ff256988838473ce8350ee5ddf301e00d68e