Aug 01 19:33:08.092 INFO checking unw-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:33:08.092 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:33:08.092 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:33:08.092 INFO running `"docker" "create" "-v" "/tmp/crater.DTPMQ5vAYtG1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+tmplazy:/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 19:33:08.262 INFO blam! 3c1b0733d8d680d4a24c141dbd90631047c56e2b765ea301921afd3b412bcb4a
Aug 01 19:33:08.266 INFO running `"docker" "start" "-a" "3c1b0733d8d680d4a24c141dbd90631047c56e2b765ea301921afd3b412bcb4a"`
Aug 01 19:33:09.294 INFO kablam!     Checking utf v0.1.0
Aug 01 19:33:09.294 INFO kablam!     Checking fallible v0.1.2
Aug 01 19:33:09.709 INFO kablam!     Checking null-terminated v0.3.3
Aug 01 19:33:10.083 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:33:10.083 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/null-terminated-0.3.3/src/lib.rs:7:1
Aug 01 19:33:10.083 INFO kablam!   |
Aug 01 19:33:10.083 INFO kablam! 7 | #![feature(const_fn)]
Aug 01 19:33:10.083 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:33:10.083 INFO kablam! 
Aug 01 19:33:10.083 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:33:10.083 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/null-terminated-0.3.3/src/lib.rs:8:1
Aug 01 19:33:10.083 INFO kablam!   |
Aug 01 19:33:10.084 INFO kablam! 8 | #![feature(extern_types)]
Aug 01 19:33:10.084 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:33:10.084 INFO kablam! 
Aug 01 19:33:10.084 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:33:10.084 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/null-terminated-0.3.3/src/lib.rs:9:1
Aug 01 19:33:10.084 INFO kablam!   |
Aug 01 19:33:10.084 INFO kablam! 9 | #![feature(untagged_unions)]
Aug 01 19:33:10.084 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:33:10.084 INFO kablam! 
Aug 01 19:33:10.084 INFO kablam! error[E0658]: the `#[repr(transparent)]` attribute is experimental (see issue #43036)
Aug 01 19:33:10.084 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/null-terminated-0.3.3/src/lib.rs:270:1
Aug 01 19:33:10.084 INFO kablam!     |
Aug 01 19:33:10.084 INFO kablam! 270 | #[repr(transparent)]
Aug 01 19:33:10.084 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Aug 01 19:33:10.084 INFO kablam! 
Aug 01 19:33:10.084 INFO kablam! error: aborting due to 4 previous errors
Aug 01 19:33:10.084 INFO kablam! 
Aug 01 19:33:10.084 INFO kablam! Some errors occurred: E0554, E0658.
Aug 01 19:33:10.084 INFO kablam! For more information about an error, try `rustc --explain E0554`.
Aug 01 19:33:10.089 INFO kablam! error: Could not compile `null-terminated`.
Aug 01 19:33:10.089 INFO kablam! 
Aug 01 19:33:10.089 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:33:10.091 INFO kablam! su: No module specific data is present
Aug 01 19:33:11.063 INFO running `"docker" "rm" "-f" "3c1b0733d8d680d4a24c141dbd90631047c56e2b765ea301921afd3b412bcb4a"`
Aug 01 19:33:11.206 INFO blam! 3c1b0733d8d680d4a24c141dbd90631047c56e2b765ea301921afd3b412bcb4a