Aug 02 01:56:23.645 INFO checking prng-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 01:56:23.645 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:56:23.645 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:56:23.645 INFO running `"docker" "create" "-v" "/tmp/crater.yv4UtIEVRelK:/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 01:56:23.904 INFO blam! 307e27be7af3cfbc05c888f3283b71448ca99fed7a537ae9dc47f1a4bb194247
Aug 02 01:56:23.906 INFO running `"docker" "start" "-a" "307e27be7af3cfbc05c888f3283b71448ca99fed7a537ae9dc47f1a4bb194247"`
Aug 02 01:56:25.077 INFO kablam!     Checking rng_trait v0.1.1
Aug 02 01:56:25.323 INFO kablam!     Checking prng v0.1.1 (file:///source)
Aug 02 01:56:25.724 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:56:25.724 INFO kablam!  --> src/lib.rs:1:1
Aug 02 01:56:25.724 INFO kablam!   |
Aug 02 01:56:25.724 INFO kablam! 1 | #![feature(alloc)]
Aug 02 01:56:25.724 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 02 01:56:25.724 INFO kablam! 
Aug 02 01:56:25.724 INFO kablam! error: aborting due to previous error
Aug 02 01:56:25.724 INFO kablam! 
Aug 02 01:56:25.724 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:56:25.725 INFO kablam! error: Could not compile `prng`.
Aug 02 01:56:25.725 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:56:25.780 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:56:25.780 INFO kablam!  --> src/lib.rs:1:1
Aug 02 01:56:25.780 INFO kablam!   |
Aug 02 01:56:25.780 INFO kablam! 1 | #![feature(alloc)]
Aug 02 01:56:25.780 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 02 01:56:25.780 INFO kablam! 
Aug 02 01:56:25.780 INFO kablam! error: aborting due to previous error
Aug 02 01:56:25.780 INFO kablam! 
Aug 02 01:56:25.780 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:56:25.794 INFO kablam! error: Could not compile `prng`.
Aug 02 01:56:25.794 INFO kablam! 
Aug 02 01:56:25.794 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 01:56:25.794 INFO kablam! su: No module specific data is present
Aug 02 01:56:26.400 INFO running `"docker" "rm" "-f" "307e27be7af3cfbc05c888f3283b71448ca99fed7a537ae9dc47f1a4bb194247"`
Aug 02 01:56:26.563 INFO blam! 307e27be7af3cfbc05c888f3283b71448ca99fed7a537ae9dc47f1a4bb194247