Aug 02 03:20:51.968 INFO checking num-derive-0.1.44 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:20:51.968 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:20:51.968 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:20:51.968 INFO running `"docker" "create" "-v" "/tmp/crater.Va2ZFzKdiRfh:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 03:20:52.130 INFO blam! eb8a059b08083c751bcf8ec0800ff62189af18c813db6caba27c286138c05b69
Aug 02 03:20:52.131 INFO running `"docker" "start" "-a" "eb8a059b08083c751bcf8ec0800ff62189af18c813db6caba27c286138c05b69"`
Aug 02 03:20:53.076 INFO kablam!     Checking num-complex v0.1.43
Aug 02 03:20:53.077 INFO kablam!    Compiling num-derive v0.1.44 (file:///source)
Aug 02 03:20:53.077 INFO kablam!     Checking num-rational v0.1.42
Aug 02 03:20:53.079 INFO kablam!     Checking compiletest_rs v0.3.13
Aug 02 03:20:58.033 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:20:58.033 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:13:39
Aug 02 03:20:58.033 INFO kablam!    |
Aug 02 03:20:58.033 INFO kablam! 13 | #![cfg_attr(not(feature = "norustc"), feature(rustc_private))]
Aug 02 03:20:58.033 INFO kablam!    |                                       ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:20:58.033 INFO kablam! 
Aug 02 03:20:58.033 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:20:58.033 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:14:38
Aug 02 03:20:58.033 INFO kablam!    |
Aug 02 03:20:58.033 INFO kablam! 14 | #![cfg_attr(not(feature = "stable"), feature(test))]
Aug 02 03:20:58.033 INFO kablam!    |                                      ^^^^^^^^^^^^^^
Aug 02 03:20:58.033 INFO kablam! 
Aug 02 03:20:58.034 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:20:58.034 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:15:38
Aug 02 03:20:58.034 INFO kablam!    |
Aug 02 03:20:58.034 INFO kablam! 15 | #![cfg_attr(not(feature = "stable"), feature(slice_rotate))]
Aug 02 03:20:58.034 INFO kablam!    |                                      ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:20:58.034 INFO kablam! 
Aug 02 03:20:58.045 INFO kablam! error: aborting due to 3 previous errors
Aug 02 03:20:58.045 INFO kablam! 
Aug 02 03:20:58.046 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:20:58.072 INFO kablam! error: Could not compile `compiletest_rs`.
Aug 02 03:20:58.073 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:20:58.969 INFO kablam! error: build failed
Aug 02 03:20:58.971 INFO kablam! su: No module specific data is present
Aug 02 03:20:59.838 INFO running `"docker" "rm" "-f" "eb8a059b08083c751bcf8ec0800ff62189af18c813db6caba27c286138c05b69"`
Aug 02 03:20:59.988 INFO blam! eb8a059b08083c751bcf8ec0800ff62189af18c813db6caba27c286138c05b69