Aug 01 19:36:01.423 INFO checking unidiff-0.2.1 against 1.27.2 for lazy_static-1
Aug 01 19:36:01.423 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:36:01.423 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:36:01.423 INFO running `"docker" "create" "-v" "/tmp/crater.lWiCrMfHC14q:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 01 19:36:01.659 INFO blam! 53a57095a2621d84e3412d876acc78625f927a20af33f0434404b2916270bf2e
Aug 01 19:36:01.661 INFO running `"docker" "start" "-a" "53a57095a2621d84e3412d876acc78625f927a20af33f0434404b2916270bf2e"`
Aug 01 19:36:02.786 INFO kablam!     Checking unidiff v0.2.1 (file:///source)
Aug 01 19:36:06.295 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:36:06.296 INFO kablam!  --> benches/02_read_everytime.rs:1:1
Aug 01 19:36:06.296 INFO kablam!   |
Aug 01 19:36:06.296 INFO kablam! 1 | #![feature(test)]
Aug 01 19:36:06.296 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 19:36:06.300 INFO kablam! 
Aug 01 19:36:06.301 INFO kablam! error: aborting due to previous error
Aug 01 19:36:06.301 INFO kablam! 
Aug 01 19:36:06.301 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:36:06.336 INFO kablam! error: Could not compile `unidiff`.
Aug 01 19:36:06.337 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:36:07.219 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:36:07.219 INFO kablam!  --> benches/01_simple.rs:1:1
Aug 01 19:36:07.219 INFO kablam!   |
Aug 01 19:36:07.219 INFO kablam! 1 | #![feature(test)]
Aug 01 19:36:07.219 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 19:36:07.219 INFO kablam! 
Aug 01 19:36:07.220 INFO kablam! error: aborting due to previous error
Aug 01 19:36:07.220 INFO kablam! 
Aug 01 19:36:07.220 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:36:07.228 INFO kablam! error: Could not compile `unidiff`.
Aug 01 19:36:07.229 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:36:08.093 INFO kablam! error: build failed
Aug 01 19:36:08.100 INFO kablam! su: No module specific data is present
Aug 01 19:36:08.634 INFO running `"docker" "rm" "-f" "53a57095a2621d84e3412d876acc78625f927a20af33f0434404b2916270bf2e"`
Aug 01 19:36:08.790 INFO blam! 53a57095a2621d84e3412d876acc78625f927a20af33f0434404b2916270bf2e