Aug 02 11:07:08.037 INFO checking dynamic-arena-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 11:07:08.037 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:07:08.037 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:07:08.037 INFO running `"docker" "create" "-v" "/tmp/crater.JAmGHt4ZZPAQ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 11:07:08.296 INFO blam! c99b6a6ea3e467f830ae337162bc004de6e3a7e93c92baf6c891707bb3f34167
Aug 02 11:07:08.298 INFO running `"docker" "start" "-a" "c99b6a6ea3e467f830ae337162bc004de6e3a7e93c92baf6c891707bb3f34167"`
Aug 02 11:07:09.425 INFO kablam!     Checking dynamic-arena v0.1.1 (file:///source)
Aug 02 11:07:09.429 INFO kablam!     Checking compiletest_rs v0.3.13
Aug 02 11:07:12.312 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:07:12.312 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:13:39
Aug 02 11:07:12.312 INFO kablam!    |
Aug 02 11:07:12.312 INFO kablam! 13 | #![cfg_attr(not(feature = "norustc"), feature(rustc_private))]
Aug 02 11:07:12.312 INFO kablam!    |                                       ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:07:12.312 INFO kablam! 
Aug 02 11:07:12.312 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:07:12.312 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:14:38
Aug 02 11:07:12.312 INFO kablam!    |
Aug 02 11:07:12.312 INFO kablam! 14 | #![cfg_attr(not(feature = "stable"), feature(test))]
Aug 02 11:07:12.312 INFO kablam!    |                                      ^^^^^^^^^^^^^^
Aug 02 11:07:12.312 INFO kablam! 
Aug 02 11:07:12.313 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:07:12.313 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:15:38
Aug 02 11:07:12.313 INFO kablam!    |
Aug 02 11:07:12.313 INFO kablam! 15 | #![cfg_attr(not(feature = "stable"), feature(slice_rotate))]
Aug 02 11:07:12.313 INFO kablam!    |                                      ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:07:12.313 INFO kablam! 
Aug 02 11:07:12.322 INFO kablam! error: aborting due to 3 previous errors
Aug 02 11:07:12.322 INFO kablam! 
Aug 02 11:07:12.322 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:07:12.342 INFO kablam! error: Could not compile `compiletest_rs`.
Aug 02 11:07:12.343 INFO kablam! 
Aug 02 11:07:12.343 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:07:12.345 INFO kablam! su: No module specific data is present
Aug 02 11:07:13.185 INFO running `"docker" "rm" "-f" "c99b6a6ea3e467f830ae337162bc004de6e3a7e93c92baf6c891707bb3f34167"`
Aug 02 11:07:13.310 INFO blam! c99b6a6ea3e467f830ae337162bc004de6e3a7e93c92baf6c891707bb3f34167