Aug 02 13:58:13.914 INFO checking blindsign-0.0.6 against 1.27.2 for lazy_static-1
Aug 02 13:58:13.914 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:58:13.914 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:58:13.914 INFO running `"docker" "create" "-v" "/tmp/crater.TiDlDlefWI6k:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 13:58:14.154 INFO blam! 1d0b76939521dd93a378ee72a378f1f9f0c45b1f86211716e674e4be9479aa92
Aug 02 13:58:14.157 INFO running `"docker" "start" "-a" "1d0b76939521dd93a378ee72a378f1f9f0c45b1f86211716e674e4be9479aa92"`
Aug 02 13:58:15.161 INFO kablam!    Compiling rand_core v0.2.1
Aug 02 13:58:15.164 INFO kablam!    Compiling byteorder v1.2.4
Aug 02 13:58:15.164 INFO kablam!    Compiling subtle v0.6.3
Aug 02 13:58:15.221 INFO kablam!    Compiling clear_on_drop v0.2.3
Aug 02 13:58:16.825 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:16.825 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:13:34
Aug 02 13:58:16.825 INFO kablam!    |
Aug 02 13:58:16.825 INFO kablam! 13 | #![cfg_attr(feature = "nightly", feature(asm))]
Aug 02 13:58:16.825 INFO kablam!    |                                  ^^^^^^^^^^^^^
Aug 02 13:58:16.825 INFO kablam! 
Aug 02 13:58:16.825 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:16.825 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:14:34
Aug 02 13:58:16.825 INFO kablam!    |
Aug 02 13:58:16.825 INFO kablam! 14 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Aug 02 13:58:16.825 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:58:16.825 INFO kablam! 
Aug 02 13:58:16.826 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:58:16.827 INFO kablam! 
Aug 02 13:58:16.827 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:58:16.853 INFO kablam! error: Could not compile `subtle`.
Aug 02 13:58:16.854 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:58:17.426 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:17.426 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:13:34
Aug 02 13:58:17.426 INFO kablam!    |
Aug 02 13:58:17.426 INFO kablam! 13 | #![cfg_attr(feature = "nightly", feature(asm))]
Aug 02 13:58:17.426 INFO kablam!    |                                  ^^^^^^^^^^^^^
Aug 02 13:58:17.427 INFO kablam! 
Aug 02 13:58:17.427 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:58:17.427 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:14:34
Aug 02 13:58:17.427 INFO kablam!    |
Aug 02 13:58:17.427 INFO kablam! 14 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Aug 02 13:58:17.427 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:58:17.428 INFO kablam! 
Aug 02 13:58:17.430 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:58:17.436 INFO kablam! 
Aug 02 13:58:17.437 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:58:17.454 INFO kablam! error: Could not compile `subtle`.
Aug 02 13:58:17.455 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:58:18.473 INFO kablam! error: build failed
Aug 02 13:58:18.474 INFO kablam! su: No module specific data is present
Aug 02 13:58:19.130 INFO running `"docker" "rm" "-f" "1d0b76939521dd93a378ee72a378f1f9f0c45b1f86211716e674e4be9479aa92"`
Aug 02 13:58:19.313 INFO blam! 1d0b76939521dd93a378ee72a378f1f9f0c45b1f86211716e674e4be9479aa92