Aug 02 02:18:44.638 INFO checking piston_meta-0.29.1 against 1.27.2 for lazy_static-1
Aug 02 02:18:44.638 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:18:44.638 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:18:44.638 INFO running `"docker" "create" "-v" "/tmp/crater.PAy8Zw2BmSo1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 02:18:44.867 INFO blam! c016aed4dc77cdaaf5d3731ade7d8d7cce41076667dbe2eb28e42b8cd15af93b
Aug 02 02:18:44.870 INFO running `"docker" "start" "-a" "c016aed4dc77cdaaf5d3731ade7d8d7cce41076667dbe2eb28e42b8cd15af93b"`
Aug 02 02:18:45.785 INFO kablam!     Checking range v0.3.1
Aug 02 02:18:46.435 INFO kablam!     Checking read_token v0.9.0
Aug 02 02:18:47.349 INFO kablam!     Checking piston_meta v0.29.1 (file:///source)
Aug 02 02:18:48.392 INFO kablam! warning: unnecessary parentheses around function argument
Aug 02 02:18:48.392 INFO kablam!    --> src/lib.rs:203:24
Aug 02 02:18:48.392 INFO kablam!     |
Aug 02 02:18:48.392 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Aug 02 02:18:48.392 INFO kablam!     |  ________________________^
Aug 02 02:18:48.392 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Aug 02 02:18:48.392 INFO kablam!     | |___________________________________________________________^
Aug 02 02:18:48.404 INFO kablam!     |
Aug 02 02:18:48.404 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 02:18:48.405 INFO kablam! help: remove these parentheses
Aug 02 02:18:48.405 INFO kablam!     |
Aug 02 02:18:48.405 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Aug 02 02:18:48.405 INFO kablam! 204 |                                                                                          &match ()
Aug 02 02:18:48.405 INFO kablam! 205 |                                                                                               {
Aug 02 02:18:48.405 INFO kablam! 206 |                                                                                               ()
Aug 02 02:18:48.405 INFO kablam! 207 |                                                                                               =>
Aug 02 02:18:48.405 INFO kablam! 208 |                                                                                               [],
Aug 02 02:18:48.405 INFO kablam!   ...
Aug 02 02:18:48.405 INFO kablam! 
Aug 02 02:18:48.631 INFO kablam! warning: unnecessary parentheses around function argument
Aug 02 02:18:48.631 INFO kablam!    --> src/lib.rs:203:24
Aug 02 02:18:48.631 INFO kablam!     |
Aug 02 02:18:48.631 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Aug 02 02:18:48.631 INFO kablam!     |  ________________________^
Aug 02 02:18:48.631 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Aug 02 02:18:48.632 INFO kablam!     | |___________________________________________________________^
Aug 02 02:18:48.632 INFO kablam!     |
Aug 02 02:18:48.632 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 02:18:48.632 INFO kablam! help: remove these parentheses
Aug 02 02:18:48.632 INFO kablam!     |
Aug 02 02:18:48.633 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Aug 02 02:18:48.633 INFO kablam! 204 |                                                                                          &match ()
Aug 02 02:18:48.633 INFO kablam! 205 |                                                                                               {
Aug 02 02:18:48.633 INFO kablam! 206 |                                                                                               ()
Aug 02 02:18:48.633 INFO kablam! 207 |                                                                                               =>
Aug 02 02:18:48.633 INFO kablam! 208 |                                                                                               [],
Aug 02 02:18:48.633 INFO kablam!   ...
Aug 02 02:18:48.633 INFO kablam! 
Aug 02 02:18:53.351 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:18:53.351 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 02:18:53.351 INFO kablam!   |
Aug 02 02:18:53.351 INFO kablam! 1 | #![feature(test)]
Aug 02 02:18:53.351 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 02:18:53.356 INFO kablam! 
Aug 02 02:18:53.368 INFO kablam! error: aborting due to previous error
Aug 02 02:18:53.368 INFO kablam! 
Aug 02 02:18:53.368 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:18:53.385 INFO kablam! error: Could not compile `piston_meta`.
Aug 02 02:18:53.386 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:18:54.405 INFO kablam! error: build failed
Aug 02 02:18:54.407 INFO kablam! su: No module specific data is present
Aug 02 02:18:54.915 INFO running `"docker" "rm" "-f" "c016aed4dc77cdaaf5d3731ade7d8d7cce41076667dbe2eb28e42b8cd15af93b"`
Aug 02 02:18:55.092 INFO blam! c016aed4dc77cdaaf5d3731ade7d8d7cce41076667dbe2eb28e42b8cd15af93b