Aug 02 11:18:00.303 INFO checking docopt_macros-0.6.88 against 1.27.2 for lazy_static-1
Aug 02 11:18:00.303 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:18:00.303 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:18:00.304 INFO running `"docker" "create" "-v" "/tmp/crater.gXSUoodZqAVn:/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 11:18:00.551 INFO blam! 9d07d81763707ebefbef16d98d53dd93baef87336fe116f5aa0981b6f0a2b05e
Aug 02 11:18:00.553 INFO running `"docker" "start" "-a" "9d07d81763707ebefbef16d98d53dd93baef87336fe116f5aa0981b6f0a2b05e"`
Aug 02 11:18:01.842 INFO kablam!     Checking strsim v0.5.2
Aug 02 11:18:01.844 INFO kablam!    Compiling docopt_macros v0.6.88 (file:///source)
Aug 02 11:18:02.766 INFO kablam!     Checking docopt v0.6.86
Aug 02 11:18:05.301 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:18:05.301 INFO kablam!  --> src/macro.rs:4:1
Aug 02 11:18:05.301 INFO kablam!   |
Aug 02 11:18:05.301 INFO kablam! 4 | #![feature(plugin_registrar, quote, rustc_private)]
Aug 02 11:18:05.301 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:18:05.301 INFO kablam! 
Aug 02 11:18:05.302 INFO kablam! error: aborting due to previous error
Aug 02 11:18:05.302 INFO kablam! 
Aug 02 11:18:05.302 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:18:05.329 INFO kablam! error: Could not compile `docopt_macros`.
Aug 02 11:18:05.329 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:18:06.617 INFO kablam! error: build failed
Aug 02 11:18:06.618 INFO kablam! su: No module specific data is present
Aug 02 11:18:07.203 INFO running `"docker" "rm" "-f" "9d07d81763707ebefbef16d98d53dd93baef87336fe116f5aa0981b6f0a2b05e"`
Aug 02 11:18:07.378 INFO blam! 9d07d81763707ebefbef16d98d53dd93baef87336fe116f5aa0981b6f0a2b05e