Aug 02 13:44:35.069 INFO checking build_metadata-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 13:44:35.069 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:44:35.069 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:44:35.069 INFO running `"docker" "create" "-v" "/tmp/crater.pztWV4FOAa14:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 13:44:35.315 INFO blam! 4179f40a29a199a7aefd46b090b9a03bee99f5d41d70661329afa74e602c7466
Aug 02 13:44:35.317 INFO running `"docker" "start" "-a" "4179f40a29a199a7aefd46b090b9a03bee99f5d41d70661329afa74e602c7466"`
Aug 02 13:44:36.330 INFO kablam!     Checking bitflags v0.1.1
Aug 02 13:44:36.336 INFO kablam!    Compiling libgit2-sys v0.4.6
Aug 02 13:44:36.337 INFO kablam!     Checking openssl-sys v0.7.17
Aug 02 13:44:36.337 INFO kablam!     Checking libz-sys v1.0.18
Aug 02 13:45:02.761 INFO kablam!     Checking git2 v0.4.4
Aug 02 13:45:08.868 INFO kablam!     Checking build_metadata v0.1.0 (file:///source)
Aug 02 13:45:13.079 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:45:13.079 INFO kablam!   --> src/lib.rs:23:1
Aug 02 13:45:13.079 INFO kablam!    |
Aug 02 13:45:13.079 INFO kablam! 23 | #![feature(plugin_registrar, rustc_private)]
Aug 02 13:45:13.079 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:45:13.080 INFO kablam! 
Aug 02 13:45:13.080 INFO kablam! error: aborting due to previous error
Aug 02 13:45:13.080 INFO kablam! 
Aug 02 13:45:13.081 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:45:13.099 INFO kablam! error: Could not compile `build_metadata`.
Aug 02 13:45:13.100 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:45:13.176 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:45:13.176 INFO kablam!   --> src/lib.rs:23:1
Aug 02 13:45:13.176 INFO kablam!    |
Aug 02 13:45:13.176 INFO kablam! 23 | #![feature(plugin_registrar, rustc_private)]
Aug 02 13:45:13.176 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:45:13.176 INFO kablam! 
Aug 02 13:45:13.179 INFO kablam! error: aborting due to previous error
Aug 02 13:45:13.179 INFO kablam! 
Aug 02 13:45:13.180 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:45:13.220 INFO kablam! error: Could not compile `build_metadata`.
Aug 02 13:45:13.220 INFO kablam! 
Aug 02 13:45:13.220 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:45:13.226 INFO kablam! su: No module specific data is present
Aug 02 13:45:14.048 INFO running `"docker" "rm" "-f" "4179f40a29a199a7aefd46b090b9a03bee99f5d41d70661329afa74e602c7466"`
Aug 02 13:45:14.198 INFO blam! 4179f40a29a199a7aefd46b090b9a03bee99f5d41d70661329afa74e602c7466