Aug 01 20:20:16.525 INFO checking tlv_parser-0.4.0 against 1.27.2 for lazy_static-1
Aug 01 20:20:16.525 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:20:16.525 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:20:16.525 INFO running `"docker" "create" "-v" "/tmp/crater.KwCjpweaU4Mb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 01 20:20:16.825 INFO blam! 9d042d07a6bbf318a0492d4c543a5e6c4baf452752ed49f5ad6fb3d3dfdee7d2
Aug 01 20:20:16.827 INFO running `"docker" "start" "-a" "9d042d07a6bbf318a0492d4c543a5e6c4baf452752ed49f5ad6fb3d3dfdee7d2"`
Aug 01 20:20:18.110 INFO kablam!     Checking failure v0.1.2
Aug 01 20:20:18.765 INFO kablam!     Checking tlv_parser v0.4.0 (file:///source)
Aug 01 20:20:19.613 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:20:19.613 INFO kablam!  --> src/lib.rs:4:1
Aug 01 20:20:19.613 INFO kablam!   |
Aug 01 20:20:19.613 INFO kablam! 4 | #![feature(exact_size_is_empty)]
Aug 01 20:20:19.613 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:20:19.613 INFO kablam! 
Aug 01 20:20:19.615 INFO kablam! error: aborting due to previous error
Aug 01 20:20:19.621 INFO kablam! 
Aug 01 20:20:19.621 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:20:19.628 INFO kablam! error: Could not compile `tlv_parser`.
Aug 01 20:20:19.628 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:20:19.786 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:20:19.786 INFO kablam!  --> src/lib.rs:4:1
Aug 01 20:20:19.786 INFO kablam!   |
Aug 01 20:20:19.786 INFO kablam! 4 | #![feature(exact_size_is_empty)]
Aug 01 20:20:19.786 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:20:19.786 INFO kablam! 
Aug 01 20:20:19.787 INFO kablam! error: aborting due to previous error
Aug 01 20:20:19.788 INFO kablam! 
Aug 01 20:20:19.788 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:20:19.801 INFO kablam! error: Could not compile `tlv_parser`.
Aug 01 20:20:19.801 INFO kablam! 
Aug 01 20:20:19.801 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:20:19.803 INFO kablam! su: No module specific data is present
Aug 01 20:20:20.484 INFO running `"docker" "rm" "-f" "9d042d07a6bbf318a0492d4c543a5e6c4baf452752ed49f5ad6fb3d3dfdee7d2"`
Aug 01 20:20:20.648 INFO blam! 9d042d07a6bbf318a0492d4c543a5e6c4baf452752ed49f5ad6fb3d3dfdee7d2