Aug 02 02:30:24.835 INFO checking persistentcache-0.1.6 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:30:24.835 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:30:24.835 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:30:24.835 INFO running `"docker" "create" "-v" "/tmp/crater.IdKjujWlxID6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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 02:30:25.104 INFO blam! b4d288ba8c57a9473a0c286b52473051b7880f4219fea174939026c647b04dda
Aug 02 02:30:25.105 INFO running `"docker" "start" "-a" "b4d288ba8c57a9473a0c286b52473051b7880f4219fea174939026c647b04dda"`
Aug 02 02:30:25.910 INFO kablam! warning: only one of `license` or `license-file` is necessary
Aug 02 02:30:26.126 INFO kablam!    Compiling proc-macro2 v0.1.10
Aug 02 02:30:26.128 INFO kablam!    Compiling bincode v1.0.1
Aug 02 02:30:32.350 INFO kablam!    Compiling futures-await-quote v0.4.0
Aug 02 02:30:34.263 INFO kablam!    Compiling futures-await-synom v0.12.0
Aug 02 02:30:38.514 INFO kablam!    Compiling futures-await-syn v0.12.0
Aug 02 02:30:57.426 INFO kablam!    Compiling persistentcache_procmacro v0.0.3
Aug 02 02:30:58.775 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:30:58.775 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/persistentcache_procmacro-0.0.3/src/lib.rs:15:1
Aug 02 02:30:58.775 INFO kablam!    |
Aug 02 02:30:58.775 INFO kablam! 15 | #![feature(proc_macro)]
Aug 02 02:30:58.775 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:30:58.775 INFO kablam! 
Aug 02 02:30:58.775 INFO kablam! error: aborting due to previous error
Aug 02 02:30:58.775 INFO kablam! 
Aug 02 02:30:58.775 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:30:58.803 INFO kablam! error: Could not compile `persistentcache_procmacro`.
Aug 02 02:30:58.804 INFO kablam! 
Aug 02 02:30:58.804 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:30:58.813 INFO kablam! su: No module specific data is present
Aug 02 02:30:59.354 INFO running `"docker" "rm" "-f" "b4d288ba8c57a9473a0c286b52473051b7880f4219fea174939026c647b04dda"`
Aug 02 02:30:59.522 INFO blam! b4d288ba8c57a9473a0c286b52473051b7880f4219fea174939026c647b04dda