Aug 02 06:23:42.031 INFO checking itertools-0.7.8 against 1.27.2 for lazy_static-1
Aug 02 06:23:42.032 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:23:42.032 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:23:42.032 INFO running `"docker" "create" "-v" "/tmp/crater.0yFKwWF7u35s:/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 06:23:42.246 INFO blam! 69d75dcf136b5c28d7f7f14a020ad295eb22d0e8798ed4f274de3c6b5c4e3818
Aug 02 06:23:42.248 INFO running `"docker" "start" "-a" "69d75dcf136b5c28d7f7f14a020ad295eb22d0e8798ed4f274de3c6b5c4e3818"`
Aug 02 06:23:43.595 INFO kablam!     Checking itertools v0.7.8 (file:///source)
Aug 02 06:23:43.595 INFO kablam!     Checking quickcheck v0.5.0
Aug 02 06:23:48.841 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:23:48.841 INFO kablam!  --> benches/bench1.rs:1:1
Aug 02 06:23:48.841 INFO kablam!   |
Aug 02 06:23:48.841 INFO kablam! 1 | #![feature(test)]
Aug 02 06:23:48.841 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:23:48.841 INFO kablam! 
Aug 02 06:23:48.841 INFO kablam! error: aborting due to previous error
Aug 02 06:23:48.841 INFO kablam! 
Aug 02 06:23:48.841 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:23:48.846 INFO kablam! error: Could not compile `itertools`.
Aug 02 06:23:48.846 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:23:49.744 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:23:49.744 INFO kablam!  --> benches/tree_fold1.rs:1:1
Aug 02 06:23:49.744 INFO kablam!   |
Aug 02 06:23:49.744 INFO kablam! 1 | #![feature(test)]
Aug 02 06:23:49.744 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:23:49.744 INFO kablam! 
Aug 02 06:23:49.746 INFO kablam! error: aborting due to previous error
Aug 02 06:23:49.746 INFO kablam! 
Aug 02 06:23:49.746 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:23:49.754 INFO kablam! error: Could not compile `itertools`.
Aug 02 06:23:49.755 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:23:52.524 INFO kablam! error: build failed
Aug 02 06:23:52.526 INFO kablam! su: No module specific data is present
Aug 02 06:23:53.220 INFO running `"docker" "rm" "-f" "69d75dcf136b5c28d7f7f14a020ad295eb22d0e8798ed4f274de3c6b5c4e3818"`
Aug 02 06:23:53.359 INFO blam! 69d75dcf136b5c28d7f7f14a020ad295eb22d0e8798ed4f274de3c6b5c4e3818