Aug 02 13:58:12.812 INFO checking blindsign-0.0.6 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:58:12.812 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:58:12.812 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:58:12.812 INFO running `"docker" "create" "-v" "/tmp/crater.BQE7rkohxBOb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 13:58:13.047 INFO blam! 6c67af67eb776eaa269326605b07a9dcdebc51d1ef7920df2e48f04f6e7fa45f
Aug 02 13:58:13.050 INFO running `"docker" "start" "-a" "6c67af67eb776eaa269326605b07a9dcdebc51d1ef7920df2e48f04f6e7fa45f"`
Aug 02 13:58:14.223 INFO kablam!    Compiling subtle v0.6.3
Aug 02 13:58:14.225 INFO kablam!    Compiling byteorder v1.2.4
Aug 02 13:58:14.227 INFO kablam!    Compiling clear_on_drop v0.2.3
Aug 02 13:58:16.069 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:16.069 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:13:34
Aug 02 13:58:16.070 INFO kablam!    |
Aug 02 13:58:16.070 INFO kablam! 13 | #![cfg_attr(feature = "nightly", feature(asm))]
Aug 02 13:58:16.070 INFO kablam!    |                                  ^^^^^^^^^^^^^
Aug 02 13:58:16.070 INFO kablam! 
Aug 02 13:58:16.070 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:16.070 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:14:34
Aug 02 13:58:16.070 INFO kablam!    |
Aug 02 13:58:16.070 INFO kablam! 14 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Aug 02 13:58:16.070 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:58:16.070 INFO kablam! 
Aug 02 13:58:16.071 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:58:16.071 INFO kablam! 
Aug 02 13:58:16.071 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:58:16.102 INFO kablam! error: Could not compile `subtle`.
Aug 02 13:58:16.102 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:58:16.104 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:16.104 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:13:34
Aug 02 13:58:16.104 INFO kablam!    |
Aug 02 13:58:16.105 INFO kablam! 13 | #![cfg_attr(feature = "nightly", feature(asm))]
Aug 02 13:58:16.105 INFO kablam!    |                                  ^^^^^^^^^^^^^
Aug 02 13:58:16.105 INFO kablam! 
Aug 02 13:58:16.105 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:16.105 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:14:34
Aug 02 13:58:16.105 INFO kablam!    |
Aug 02 13:58:16.105 INFO kablam! 14 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Aug 02 13:58:16.105 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:58:16.105 INFO kablam! 
Aug 02 13:58:16.106 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:58:16.112 INFO kablam! 
Aug 02 13:58:16.112 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:58:16.120 INFO kablam! error: Could not compile `subtle`.
Aug 02 13:58:16.121 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:58:17.616 INFO kablam! error: build failed
Aug 02 13:58:17.618 INFO kablam! su: No module specific data is present
Aug 02 13:58:18.538 INFO running `"docker" "rm" "-f" "6c67af67eb776eaa269326605b07a9dcdebc51d1ef7920df2e48f04f6e7fa45f"`
Aug 02 13:58:18.655 INFO blam! 6c67af67eb776eaa269326605b07a9dcdebc51d1ef7920df2e48f04f6e7fa45f