Aug 02 02:30:23.388 INFO checking persistentcache_procmacro-0.0.3 against 1.27.2 for lazy_static-1
Aug 02 02:30:23.388 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:30:23.388 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:30:23.388 INFO running `"docker" "create" "-v" "/tmp/crater.0hJmsk1wdoYL:/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 02:30:23.640 INFO blam! 6311875c8665f998a253b99a107e681f957fdfae4a891cc5e5b35420ae5831f9
Aug 02 02:30:23.641 INFO running `"docker" "start" "-a" "6311875c8665f998a253b99a107e681f957fdfae4a891cc5e5b35420ae5831f9"`
Aug 02 02:30:24.700 INFO kablam! warning: only one of `license` or `license-file` is necessary
Aug 02 02:30:24.752 INFO kablam!     Checking proc-macro2 v0.1.10
Aug 02 02:30:24.756 INFO kablam!     Checking bincode v1.0.1
Aug 02 02:30:28.673 INFO kablam!     Checking futures-await-quote v0.4.0
Aug 02 02:30:30.758 INFO kablam!     Checking futures-await-synom v0.12.0
Aug 02 02:30:34.333 INFO kablam!     Checking futures-await-syn v0.12.0
Aug 02 02:30:45.139 INFO kablam!     Checking persistentcache_procmacro v0.0.3 (file:///source)
Aug 02 02:30:45.985 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:30:45.985 INFO kablam!   --> src/lib.rs:15:1
Aug 02 02:30:45.985 INFO kablam!    |
Aug 02 02:30:45.985 INFO kablam! 15 | #![feature(proc_macro)]
Aug 02 02:30:45.985 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:30:45.985 INFO kablam! 
Aug 02 02:30:45.986 INFO kablam! error: aborting due to previous error
Aug 02 02:30:45.986 INFO kablam! 
Aug 02 02:30:45.986 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:30:45.994 INFO kablam! error: Could not compile `persistentcache_procmacro`.
Aug 02 02:30:45.994 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:30:46.271 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:30:46.271 INFO kablam!   --> src/lib.rs:15:1
Aug 02 02:30:46.271 INFO kablam!    |
Aug 02 02:30:46.271 INFO kablam! 15 | #![feature(proc_macro)]
Aug 02 02:30:46.271 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:30:46.271 INFO kablam! 
Aug 02 02:30:46.272 INFO kablam! error: aborting due to previous error
Aug 02 02:30:46.272 INFO kablam! 
Aug 02 02:30:46.272 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:30:46.283 INFO kablam! error: Could not compile `persistentcache_procmacro`.
Aug 02 02:30:46.283 INFO kablam! 
Aug 02 02:30:46.283 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:30:46.284 INFO kablam! su: No module specific data is present
Aug 02 02:30:47.688 INFO running `"docker" "rm" "-f" "6311875c8665f998a253b99a107e681f957fdfae4a891cc5e5b35420ae5831f9"`
Aug 02 02:30:47.807 INFO blam! 6311875c8665f998a253b99a107e681f957fdfae4a891cc5e5b35420ae5831f9