Aug 01 23:00:24.082 INFO checking savefile-0.2.9 against 1.27.2 for lazy_static-1
Aug 01 23:00:24.082 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:00:24.082 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:00:24.082 INFO running `"docker" "create" "-v" "/tmp/crater.cTpJHGbUwIF6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 23:00:24.358 INFO blam! 0e0c52a35b60352efcf72b54007c838c3081995e6144e283d93e1a687474d5e2
Aug 01 23:00:24.361 INFO running `"docker" "start" "-a" "0e0c52a35b60352efcf72b54007c838c3081995e6144e283d93e1a687474d5e2"`
Aug 01 23:00:25.536 INFO kablam!    Compiling proc-macro2 v0.3.8
Aug 01 23:00:25.537 INFO kablam!     Checking savefile v0.2.9 (file:///source)
Aug 01 23:00:26.675 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:26.676 INFO kablam!  --> src/lib.rs:1:1
Aug 01 23:00:26.676 INFO kablam!   |
Aug 01 23:00:26.676 INFO kablam! 1 | #![feature(alloc)]
Aug 01 23:00:26.676 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 01 23:00:26.676 INFO kablam! 
Aug 01 23:00:26.676 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:26.676 INFO kablam!  --> src/lib.rs:2:1
Aug 01 23:00:26.676 INFO kablam!   |
Aug 01 23:00:26.676 INFO kablam! 2 | #![feature(allocator_api)]
Aug 01 23:00:26.676 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:00:26.676 INFO kablam! 
Aug 01 23:00:26.676 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:26.676 INFO kablam!  --> src/lib.rs:4:1
Aug 01 23:00:26.676 INFO kablam!   |
Aug 01 23:00:26.676 INFO kablam! 4 | #![feature(test)]
Aug 01 23:00:26.676 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 23:00:26.676 INFO kablam! 
Aug 01 23:00:26.676 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:26.676 INFO kablam!  --> src/lib.rs:5:1
Aug 01 23:00:26.676 INFO kablam!   |
Aug 01 23:00:26.676 INFO kablam! 5 | #![feature(specialization)]
Aug 01 23:00:26.676 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:00:26.676 INFO kablam! 
Aug 01 23:00:26.676 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:26.676 INFO kablam!  --> src/lib.rs:6:1
Aug 01 23:00:26.676 INFO kablam!   |
Aug 01 23:00:26.676 INFO kablam! 6 | #![feature(attr_literals)]
Aug 01 23:00:26.677 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:00:26.677 INFO kablam! 
Aug 01 23:00:26.677 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:26.677 INFO kablam!  --> src/lib.rs:7:1
Aug 01 23:00:26.677 INFO kablam!   |
Aug 01 23:00:26.677 INFO kablam! 7 | #![feature(core_intrinsics)]
Aug 01 23:00:26.677 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:00:26.717 INFO kablam! 
Aug 01 23:00:26.717 INFO kablam! error: aborting due to 6 previous errors
Aug 01 23:00:26.717 INFO kablam! 
Aug 01 23:00:26.717 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:00:26.717 INFO kablam! error: Could not compile `savefile`.
Aug 01 23:00:26.717 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:00:26.970 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:26.970 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/lib.rs:47:34
Aug 01 23:00:26.970 INFO kablam!    |
Aug 01 23:00:26.970 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(proc_macro))]
Aug 01 23:00:26.970 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^
Aug 01 23:00:26.970 INFO kablam! 
Aug 01 23:00:26.976 INFO kablam! error: aborting due to previous error
Aug 01 23:00:26.976 INFO kablam! 
Aug 01 23:00:26.977 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:00:27.001 INFO kablam! error: Could not compile `proc-macro2`.
Aug 01 23:00:27.001 INFO kablam! 
Aug 01 23:00:27.001 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 23:00:27.003 INFO kablam! su: No module specific data is present
Aug 01 23:00:27.525 INFO running `"docker" "rm" "-f" "0e0c52a35b60352efcf72b54007c838c3081995e6144e283d93e1a687474d5e2"`
Aug 01 23:00:27.681 INFO blam! 0e0c52a35b60352efcf72b54007c838c3081995e6144e283d93e1a687474d5e2