Aug 02 01:23:53.674 INFO checking ramp-0.3.13 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:23:53.674 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:23:53.674 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:23:53.674 INFO running `"docker" "create" "-v" "/tmp/crater.7MfVVBr0jzsA:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 02 01:23:53.940 INFO blam! 7529c4846cb5c9ad55851486cb07eb8af5dcdf2422300cd95acb2afb91ea8340
Aug 02 01:23:53.943 INFO running `"docker" "start" "-a" "7529c4846cb5c9ad55851486cb07eb8af5dcdf2422300cd95acb2afb91ea8340"`
Aug 02 01:23:54.933 INFO kablam!    Compiling rustc-cfg v0.2.0
Aug 02 01:23:54.938 INFO kablam!    Compiling env_logger v0.5.11
Aug 02 01:23:57.622 INFO kablam!    Compiling ramp v0.3.13 (file:///source)
Aug 02 01:23:58.600 INFO kablam! warning: use of deprecated item 'gcc::compile_library'
Aug 02 01:23:58.600 INFO kablam!   --> build.rs:43:17
Aug 02 01:23:58.600 INFO kablam!    |
Aug 02 01:23:58.600 INFO kablam! 43 |                 gcc::compile_library("libasm.a", asm_srcs);
Aug 02 01:23:58.600 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^
Aug 02 01:23:58.600 INFO kablam!    |
Aug 02 01:23:58.601 INFO kablam!    = note: #[warn(deprecated)] on by default
Aug 02 01:23:58.601 INFO kablam! 
Aug 02 01:24:00.615 INFO kablam!    Compiling quickcheck v0.6.2
Aug 02 01:24:03.396 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:24:03.396 INFO kablam!   --> src/lib.rs:18:1
Aug 02 01:24:03.396 INFO kablam!    |
Aug 02 01:24:03.396 INFO kablam! 18 | #![feature(core_intrinsics, asm, allocator_api)]
Aug 02 01:24:03.396 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:24:03.396 INFO kablam! 
Aug 02 01:24:03.396 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:24:03.396 INFO kablam!   --> src/lib.rs:19:1
Aug 02 01:24:03.396 INFO kablam!    |
Aug 02 01:24:03.396 INFO kablam! 19 | #![feature(step_trait, ptr_internals, alloc)]
Aug 02 01:24:03.396 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:24:03.396 INFO kablam! 
Aug 02 01:24:03.439 INFO kablam! error: aborting due to 2 previous errors
Aug 02 01:24:03.439 INFO kablam! 
Aug 02 01:24:03.440 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:24:03.454 INFO kablam! error: Could not compile `ramp`.
Aug 02 01:24:03.455 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:24:07.488 INFO kablam! error: build failed
Aug 02 01:24:07.490 INFO kablam! su: No module specific data is present
Aug 02 01:24:08.118 INFO running `"docker" "rm" "-f" "7529c4846cb5c9ad55851486cb07eb8af5dcdf2422300cd95acb2afb91ea8340"`
Aug 02 01:24:08.303 INFO blam! 7529c4846cb5c9ad55851486cb07eb8af5dcdf2422300cd95acb2afb91ea8340