Aug 02 02:30:28.724 INFO checking persistentcache-0.1.6 against 1.27.2 for lazy_static-1
Aug 02 02:30:28.724 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:30:28.724 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:30:28.724 INFO running `"docker" "create" "-v" "/tmp/crater.G22m8TQmstc3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 02:30:28.975 INFO blam! df944bf906cd83e3e18120607f09d52f8f45069da4969d2e062cdf97b47ac18f
Aug 02 02:30:28.977 INFO running `"docker" "start" "-a" "df944bf906cd83e3e18120607f09d52f8f45069da4969d2e062cdf97b47ac18f"`
Aug 02 02:30:29.905 INFO kablam! warning: only one of `license` or `license-file` is necessary
Aug 02 02:30:30.076 INFO kablam!    Compiling redis v0.8.0
Aug 02 02:30:30.077 INFO kablam!    Compiling proc-macro2 v0.1.10
Aug 02 02:30:30.078 INFO kablam!    Compiling bincode v1.0.1
Aug 02 02:30:35.938 INFO kablam!    Compiling futures-await-quote v0.4.0
Aug 02 02:30:37.902 INFO kablam!    Compiling futures-await-synom v0.12.0
Aug 02 02:30:41.987 INFO kablam!    Compiling futures-await-syn v0.12.0
Aug 02 02:31:03.234 INFO kablam!    Compiling persistentcache_procmacro v0.0.3
Aug 02 02:31:04.499 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:31:04.500 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/persistentcache_procmacro-0.0.3/src/lib.rs:15:1
Aug 02 02:31:04.500 INFO kablam!    |
Aug 02 02:31:04.500 INFO kablam! 15 | #![feature(proc_macro)]
Aug 02 02:31:04.500 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:31:04.500 INFO kablam! 
Aug 02 02:31:04.502 INFO kablam! error: aborting due to previous error
Aug 02 02:31:04.502 INFO kablam! 
Aug 02 02:31:04.503 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:31:04.531 INFO kablam! error: Could not compile `persistentcache_procmacro`.
Aug 02 02:31:04.531 INFO kablam! 
Aug 02 02:31:04.531 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:31:04.535 INFO kablam! su: No module specific data is present
Aug 02 02:31:05.328 INFO running `"docker" "rm" "-f" "df944bf906cd83e3e18120607f09d52f8f45069da4969d2e062cdf97b47ac18f"`
Aug 02 02:31:05.486 INFO blam! df944bf906cd83e3e18120607f09d52f8f45069da4969d2e062cdf97b47ac18f