Aug 02 13:09:56.061 INFO checking cbor-codec-0.7.1 against 1.27.2 for lazy_static-1
Aug 02 13:09:56.061 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:09:56.061 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:09:56.061 INFO running `"docker" "create" "-v" "/tmp/crater.MWQ59h9DsLdj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 13:09:56.315 INFO blam! 6a4da03c0a101f571ed74347b1405a4d76580f3ba479a45a2e22872cf33ebaa3
Aug 02 13:09:56.317 INFO running `"docker" "start" "-a" "6a4da03c0a101f571ed74347b1405a4d76580f3ba479a45a2e22872cf33ebaa3"`
Aug 02 13:09:57.322 INFO kablam! warning: An explicit [[test]] section is specified in Cargo.toml which currently
Aug 02 13:09:57.322 INFO kablam! disables Cargo from automatically inferring other test targets.
Aug 02 13:09:57.322 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Aug 02 13:09:57.322 INFO kablam! files will be included as a test target:
Aug 02 13:09:57.322 INFO kablam! 
Aug 02 13:09:57.322 INFO kablam! * /source/tests/unit.rs
Aug 02 13:09:57.322 INFO kablam! * /source/tests/util.rs
Aug 02 13:09:57.322 INFO kablam! 
Aug 02 13:09:57.322 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Aug 02 13:09:57.322 INFO kablam! ready to be compiled as a test target today. You can future-proof yourself
Aug 02 13:09:57.322 INFO kablam! and disable this warning by adding `autotests = false` to your [package]
Aug 02 13:09:57.322 INFO kablam! section. You may also move the files to a location where Cargo would not
Aug 02 13:09:57.322 INFO kablam! automatically infer them to be a target, such as in subfolders.
Aug 02 13:09:57.322 INFO kablam! 
Aug 02 13:09:57.322 INFO kablam! For more information on this warning you can consult
Aug 02 13:09:57.322 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Aug 02 13:09:57.468 INFO kablam!     Checking json-codec v0.5.0
Aug 02 13:09:57.468 INFO kablam!     Checking cbor-codec v0.7.1 (file:///source)
Aug 02 13:09:57.473 INFO kablam!    Compiling env_logger v0.5.11
Aug 02 13:10:03.394 INFO kablam!    Compiling quickcheck v0.6.2
Aug 02 13:10:07.981 INFO kablam!    Compiling quickcheck_macros v0.6.2
Aug 02 13:10:09.516 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:10:09.516 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.6.2/src/lib.rs:8:1
Aug 02 13:10:09.516 INFO kablam!   |
Aug 02 13:10:09.516 INFO kablam! 8 | #![feature(plugin_registrar, rustc_private)]
Aug 02 13:10:09.516 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:10:09.516 INFO kablam! 
Aug 02 13:10:09.516 INFO kablam! error: aborting due to previous error
Aug 02 13:10:09.516 INFO kablam! 
Aug 02 13:10:09.516 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:10:09.529 INFO kablam! error: Could not compile `quickcheck_macros`.
Aug 02 13:10:09.529 INFO kablam! 
Aug 02 13:10:09.529 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:10:09.530 INFO kablam! su: No module specific data is present
Aug 02 13:10:10.356 INFO running `"docker" "rm" "-f" "6a4da03c0a101f571ed74347b1405a4d76580f3ba479a45a2e22872cf33ebaa3"`
Aug 02 13:10:10.440 INFO blam! 6a4da03c0a101f571ed74347b1405a4d76580f3ba479a45a2e22872cf33ebaa3