Aug 02 02:16:00.786 INFO checking pkg_impl-2.0.0 against 1.27.2 for lazy_static-1
Aug 02 02:16:00.786 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:16:00.786 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:16:00.786 INFO running `"docker" "create" "-v" "/tmp/crater.pTbxjH6oUti5:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 02:16:01.042 INFO blam! 34ff5e2a2867669af980a91163a49388f7911785c7a9ce54f4c62ae070939a07
Aug 02 02:16:01.044 INFO running `"docker" "start" "-a" "34ff5e2a2867669af980a91163a49388f7911785c7a9ce54f4c62ae070939a07"`
Aug 02 02:16:01.913 INFO kablam!     Checking pkg_impl v2.0.0 (file:///source)
Aug 02 02:16:03.227 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:16:03.227 INFO kablam!  --> src/lib.rs:3:1
Aug 02 02:16:03.227 INFO kablam!   |
Aug 02 02:16:03.227 INFO kablam! 3 | #![feature(proc_macro)]
Aug 02 02:16:03.227 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:16:03.227 INFO kablam! 
Aug 02 02:16:03.228 INFO kablam! error: aborting due to previous error
Aug 02 02:16:03.228 INFO kablam! 
Aug 02 02:16:03.228 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:16:03.236 INFO kablam! error: Could not compile `pkg_impl`.
Aug 02 02:16:03.237 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:16:03.385 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:16:03.385 INFO kablam!  --> src/lib.rs:3:1
Aug 02 02:16:03.385 INFO kablam!   |
Aug 02 02:16:03.385 INFO kablam! 3 | #![feature(proc_macro)]
Aug 02 02:16:03.385 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:16:03.385 INFO kablam! 
Aug 02 02:16:03.386 INFO kablam! error: aborting due to previous error
Aug 02 02:16:03.386 INFO kablam! 
Aug 02 02:16:03.386 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:16:03.395 INFO kablam! error: Could not compile `pkg_impl`.
Aug 02 02:16:03.395 INFO kablam! 
Aug 02 02:16:03.395 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:16:03.396 INFO kablam! su: No module specific data is present
Aug 02 02:16:03.935 INFO running `"docker" "rm" "-f" "34ff5e2a2867669af980a91163a49388f7911785c7a9ce54f4c62ae070939a07"`
Aug 02 02:16:04.096 INFO blam! 34ff5e2a2867669af980a91163a49388f7911785c7a9ce54f4c62ae070939a07