Aug 02 10:05:12.682 INFO checking finite-fields-0.10.3 against 1.27.2 for lazy_static-1
Aug 02 10:05:12.683 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:05:12.683 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:05:12.683 INFO running `"docker" "create" "-v" "/tmp/crater.38RRU2QaIzAg:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 10:05:12.922 INFO blam! ea9091198e0c68a199bf236a120656dca74cc7909b70512dd0ab4de8ef2d6e82
Aug 02 10:05:12.931 INFO running `"docker" "start" "-a" "ea9091198e0c68a199bf236a120656dca74cc7909b70512dd0ab4de8ef2d6e82"`
Aug 02 10:05:14.021 INFO kablam!    Compiling error_def v0.3.16
Aug 02 10:05:16.138 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:05:16.138 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/error_def-0.3.16/src/lib.rs:1:1
Aug 02 10:05:16.138 INFO kablam!   |
Aug 02 10:05:16.138 INFO kablam! 1 | #![feature(quote)]
Aug 02 10:05:16.138 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 02 10:05:16.138 INFO kablam! 
Aug 02 10:05:16.138 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:05:16.138 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/error_def-0.3.16/src/lib.rs:2:1
Aug 02 10:05:16.138 INFO kablam!   |
Aug 02 10:05:16.138 INFO kablam! 2 | #![feature(plugin_registrar)]
Aug 02 10:05:16.138 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:05:16.138 INFO kablam! 
Aug 02 10:05:16.139 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:05:16.139 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/error_def-0.3.16/src/lib.rs:3:1
Aug 02 10:05:16.139 INFO kablam!   |
Aug 02 10:05:16.139 INFO kablam! 3 | #![feature(rustc_private)]
Aug 02 10:05:16.139 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:05:16.139 INFO kablam! 
Aug 02 10:05:16.140 INFO kablam! error: aborting due to 3 previous errors
Aug 02 10:05:16.140 INFO kablam! 
Aug 02 10:05:16.141 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:05:16.157 INFO kablam! error: Could not compile `error_def`.
Aug 02 10:05:16.157 INFO kablam! 
Aug 02 10:05:16.157 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:05:16.158 INFO kablam! su: No module specific data is present
Aug 02 10:05:16.883 INFO running `"docker" "rm" "-f" "ea9091198e0c68a199bf236a120656dca74cc7909b70512dd0ab4de8ef2d6e82"`
Aug 02 10:05:17.029 INFO blam! ea9091198e0c68a199bf236a120656dca74cc7909b70512dd0ab4de8ef2d6e82