Aug 01 22:05:12.694 INFO checking slab-alloc-0.1.1 against 1.27.2 for lazy_static-1
Aug 01 22:05:12.694 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:05:12.694 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:05:12.694 INFO running `"docker" "create" "-v" "/tmp/crater.nYSm8OsVNpQU:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 22:05:12.956 INFO blam! 9d849877d708d3025e1d1683aab5b301a024cceaf8f6b80d18cb602c13f49994
Aug 01 22:05:12.957 INFO running `"docker" "start" "-a" "9d849877d708d3025e1d1683aab5b301a024cceaf8f6b80d18cb602c13f49994"`
Aug 01 22:05:14.385 INFO kablam!     Checking spin v0.4.8
Aug 01 22:05:14.385 INFO kablam!     Checking object-alloc v0.1.0
Aug 01 22:05:14.385 INFO kablam!    Compiling interpolate_idents v0.1.8
Aug 01 22:05:14.395 INFO kablam!     Checking sysconf v0.3.3
Aug 01 22:05:14.771 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:14.771 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:30
Aug 01 22:05:14.771 INFO kablam!   |
Aug 01 22:05:14.771 INFO kablam! 6 | #![cfg_attr(feature = "asm", feature(asm))]
Aug 01 22:05:14.771 INFO kablam!   |                              ^^^^^^^^^^^^^
Aug 01 22:05:14.772 INFO kablam! 
Aug 01 22:05:14.772 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:14.772 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:7:42
Aug 01 22:05:14.772 INFO kablam!   |
Aug 01 22:05:14.772 INFO kablam! 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
Aug 01 22:05:14.772 INFO kablam!   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:05:14.772 INFO kablam! 
Aug 01 22:05:14.772 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:14.772 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:35
Aug 01 22:05:14.772 INFO kablam!   |
Aug 01 22:05:14.772 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 01 22:05:14.772 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:05:14.773 INFO kablam! 
Aug 01 22:05:14.776 INFO kablam! error: aborting due to 3 previous errors
Aug 01 22:05:14.776 INFO kablam! 
Aug 01 22:05:14.776 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:05:14.783 INFO kablam! error: Could not compile `spin`.
Aug 01 22:05:14.784 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:05:14.832 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:14.832 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/object-alloc-0.1.0/src/lib.rs:8:1
Aug 01 22:05:14.832 INFO kablam!   |
Aug 01 22:05:14.832 INFO kablam! 8 | #![feature(alloc, allocator_api)]
Aug 01 22:05:14.832 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:05:14.832 INFO kablam! 
Aug 01 22:05:14.832 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:14.832 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/object-alloc-0.1.0/src/lib.rs:9:1
Aug 01 22:05:14.832 INFO kablam!   |
Aug 01 22:05:14.832 INFO kablam! 9 | #![feature(core_intrinsics)]
Aug 01 22:05:14.832 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:05:14.832 INFO kablam! 
Aug 01 22:05:14.833 INFO kablam! error: aborting due to 2 previous errors
Aug 01 22:05:14.833 INFO kablam! 
Aug 01 22:05:14.833 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:05:14.838 INFO kablam! error: Could not compile `object-alloc`.
Aug 01 22:05:14.839 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:05:16.028 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:16.028 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.1.8/src/lib.rs:1:1
Aug 01 22:05:16.028 INFO kablam!   |
Aug 01 22:05:16.028 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private)]
Aug 01 22:05:16.028 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:05:16.028 INFO kablam! 
Aug 01 22:05:16.028 INFO kablam! error: aborting due to previous error
Aug 01 22:05:16.028 INFO kablam! 
Aug 01 22:05:16.029 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:05:16.044 INFO kablam! error: Could not compile `interpolate_idents`.
Aug 01 22:05:16.044 INFO kablam! 
Aug 01 22:05:16.044 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:05:16.045 INFO kablam! su: No module specific data is present
Aug 01 22:05:16.625 INFO running `"docker" "rm" "-f" "9d849877d708d3025e1d1683aab5b301a024cceaf8f6b80d18cb602c13f49994"`
Aug 01 22:05:16.750 INFO blam! 9d849877d708d3025e1d1683aab5b301a024cceaf8f6b80d18cb602c13f49994