Aug 02 07:01:33.442 INFO checking i-o-0.4.1 against 1.27.2 for lazy_static-1
Aug 02 07:01:33.442 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:01:33.442 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:01:33.442 INFO running `"docker" "create" "-v" "/tmp/crater.WqKxIb5iJtTf:/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 02 07:01:33.612 INFO blam! cf9d6e328b33761cbb3c98548076bbc40f236eb03c6d2895b885d050a6a542db
Aug 02 07:01:33.612 INFO running `"docker" "start" "-a" "cf9d6e328b33761cbb3c98548076bbc40f236eb03c6d2895b885d050a6a542db"`
Aug 02 07:01:34.935 INFO kablam!     Checking slot v0.2.4
Aug 02 07:01:34.937 INFO kablam!    Compiling i-o v0.4.1 (file:///source)
Aug 02 07:01:34.939 INFO kablam!    Compiling abort v0.1.1
Aug 02 07:01:34.941 INFO kablam!     Checking fallible v0.1.2
Aug 02 07:01:34.943 INFO kablam!    Compiling ptr v0.1.4
Aug 02 07:01:34.945 INFO kablam!    Compiling hash-table v0.2.2
Aug 02 07:01:34.947 INFO kablam!    Compiling containers v0.8.3
Aug 02 07:01:34.958 INFO kablam!    Compiling quickcheck_macros v0.6.2
Aug 02 07:01:35.209 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:01:35.209 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:1
Aug 02 07:01:35.209 INFO kablam!    |
Aug 02 07:01:35.209 INFO kablam! 13 | #![feature(const_align_of)]
Aug 02 07:01:35.209 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:01:35.211 INFO kablam! 
Aug 02 07:01:35.211 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:01:35.211 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:14:1
Aug 02 07:01:35.211 INFO kablam!    |
Aug 02 07:01:35.211 INFO kablam! 14 | #![feature(const_fn)]
Aug 02 07:01:35.211 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:01:35.211 INFO kablam! 
Aug 02 07:01:35.211 INFO kablam! error: aborting due to 2 previous errors
Aug 02 07:01:35.211 INFO kablam! 
Aug 02 07:01:35.212 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:01:35.220 INFO kablam! error: Could not compile `ptr`.
Aug 02 07:01:35.220 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:01:35.240 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:01:35.240 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:3:1
Aug 02 07:01:35.240 INFO kablam!   |
Aug 02 07:01:35.240 INFO kablam! 3 | #![feature(const_fn)]
Aug 02 07:01:35.240 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:01:35.240 INFO kablam! 
Aug 02 07:01:35.240 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:01:35.240 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:4:1
Aug 02 07:01:35.240 INFO kablam!   |
Aug 02 07:01:35.240 INFO kablam! 4 | #![feature(untagged_unions)]
Aug 02 07:01:35.240 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:01:35.240 INFO kablam! 
Aug 02 07:01:35.241 INFO kablam! error: aborting due to 2 previous errors
Aug 02 07:01:35.241 INFO kablam! 
Aug 02 07:01:35.241 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:01:35.245 INFO kablam! error: Could not compile `slot`.
Aug 02 07:01:35.245 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:01:36.957 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:01:36.957 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.6.2/src/lib.rs:8:1
Aug 02 07:01:36.957 INFO kablam!   |
Aug 02 07:01:36.957 INFO kablam! 8 | #![feature(plugin_registrar, rustc_private)]
Aug 02 07:01:36.957 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:01:36.957 INFO kablam! 
Aug 02 07:01:36.958 INFO kablam! error: aborting due to previous error
Aug 02 07:01:36.958 INFO kablam! 
Aug 02 07:01:36.958 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:01:36.970 INFO kablam! error: Could not compile `quickcheck_macros`.
Aug 02 07:01:36.970 INFO kablam! 
Aug 02 07:01:36.971 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:01:36.972 INFO kablam! su: No module specific data is present
Aug 02 07:01:38.350 INFO running `"docker" "rm" "-f" "cf9d6e328b33761cbb3c98548076bbc40f236eb03c6d2895b885d050a6a542db"`
Aug 02 07:01:38.441 INFO blam! cf9d6e328b33761cbb3c98548076bbc40f236eb03c6d2895b885d050a6a542db