Aug 02 10:48:01.230 INFO checking enum-tryfrom-0.1.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 10:48:01.231 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:48:01.231 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:48:01.231 INFO running `"docker" "create" "-v" "/tmp/crater.2gQFabzmRA5r:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 10:48:01.491 INFO blam! 88d9f1b19a3569cf6beffcaff8153f8d726cb7c49f8618f51602ca1284be2fc9
Aug 02 10:48:01.493 INFO running `"docker" "start" "-a" "88d9f1b19a3569cf6beffcaff8153f8d726cb7c49f8618f51602ca1284be2fc9"`
Aug 02 10:48:02.567 INFO kablam!     Checking enum-tryfrom v0.1.2 (file:///source)
Aug 02 10:48:02.568 INFO kablam!    Compiling enum-tryfrom-derive v0.1.2
Aug 02 10:48:02.569 INFO kablam!     Checking compiletest_rs v0.3.13
Aug 02 10:48:06.003 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:48:06.003 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:13:39
Aug 02 10:48:06.003 INFO kablam!    |
Aug 02 10:48:06.003 INFO kablam! 13 | #![cfg_attr(not(feature = "norustc"), feature(rustc_private))]
Aug 02 10:48:06.003 INFO kablam!    |                                       ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:48:06.003 INFO kablam! 
Aug 02 10:48:06.003 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:48:06.003 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:14:38
Aug 02 10:48:06.003 INFO kablam!    |
Aug 02 10:48:06.003 INFO kablam! 14 | #![cfg_attr(not(feature = "stable"), feature(test))]
Aug 02 10:48:06.003 INFO kablam!    |                                      ^^^^^^^^^^^^^^
Aug 02 10:48:06.003 INFO kablam! 
Aug 02 10:48:06.004 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:48:06.004 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:15:38
Aug 02 10:48:06.004 INFO kablam!    |
Aug 02 10:48:06.004 INFO kablam! 15 | #![cfg_attr(not(feature = "stable"), feature(slice_rotate))]
Aug 02 10:48:06.004 INFO kablam!    |                                      ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:48:06.004 INFO kablam! 
Aug 02 10:48:06.042 INFO kablam! error: aborting due to 3 previous errors
Aug 02 10:48:06.042 INFO kablam! 
Aug 02 10:48:06.042 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:48:06.065 INFO kablam! error: Could not compile `compiletest_rs`.
Aug 02 10:48:06.065 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:48:06.686 INFO kablam! error: build failed
Aug 02 10:48:06.688 INFO kablam! su: No module specific data is present
Aug 02 10:48:07.496 INFO running `"docker" "rm" "-f" "88d9f1b19a3569cf6beffcaff8153f8d726cb7c49f8618f51602ca1284be2fc9"`
Aug 02 10:48:07.589 INFO blam! 88d9f1b19a3569cf6beffcaff8153f8d726cb7c49f8618f51602ca1284be2fc9