Aug 02 12:42:00.330 INFO checking code-sandwich-crates-io-release-test-macros-0.1.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:42:00.330 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:42:00.331 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:42:00.331 INFO running `"docker" "create" "-v" "/tmp/crater.QGxK27YxUSyi:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 12:42:00.547 INFO blam! 8cfbc1c5c76eecb62d7ef8e5e928196ccb36a45747abcda84b766f1f55b320cd
Aug 02 12:42:00.550 INFO running `"docker" "start" "-a" "8cfbc1c5c76eecb62d7ef8e5e928196ccb36a45747abcda84b766f1f55b320cd"`
Aug 02 12:42:02.024 INFO kablam!     Checking code-sandwich-crates-io-release-test-macros v0.1.1 (file:///source)
Aug 02 12:42:03.072 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:42:03.072 INFO kablam!  --> src/lib.rs:1:1
Aug 02 12:42:03.072 INFO kablam!   |
Aug 02 12:42:03.072 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 12:42:03.072 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:42:03.072 INFO kablam! 
Aug 02 12:42:03.072 INFO kablam! error: aborting due to previous error
Aug 02 12:42:03.072 INFO kablam! 
Aug 02 12:42:03.072 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:42:03.083 INFO kablam! error: Could not compile `code-sandwich-crates-io-release-test-macros`.
Aug 02 12:42:03.083 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:42:03.130 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:42:03.130 INFO kablam!  --> src/lib.rs:1:1
Aug 02 12:42:03.131 INFO kablam!   |
Aug 02 12:42:03.131 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 12:42:03.131 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:42:03.131 INFO kablam! 
Aug 02 12:42:03.131 INFO kablam! error: aborting due to previous error
Aug 02 12:42:03.131 INFO kablam! 
Aug 02 12:42:03.131 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:42:03.141 INFO kablam! error: Could not compile `code-sandwich-crates-io-release-test-macros`.
Aug 02 12:42:03.141 INFO kablam! 
Aug 02 12:42:03.141 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:42:03.142 INFO kablam! su: No module specific data is present
Aug 02 12:42:04.017 INFO running `"docker" "rm" "-f" "8cfbc1c5c76eecb62d7ef8e5e928196ccb36a45747abcda84b766f1f55b320cd"`
Aug 02 12:42:04.100 INFO blam! 8cfbc1c5c76eecb62d7ef8e5e928196ccb36a45747abcda84b766f1f55b320cd