Aug 02 13:50:51.506 INFO checking bounded-spsc-queue-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:50:51.506 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:50:51.506 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:50:51.506 INFO running `"docker" "create" "-v" "/tmp/crater.2nvezVuGOEkG:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 13:50:51.758 INFO blam! 0655986d0c419a226a5e4207e96c061bb29a49e5112d8c03471fe7c22a4db0b2
Aug 02 13:50:51.760 INFO running `"docker" "start" "-a" "0655986d0c419a226a5e4207e96c061bb29a49e5112d8c03471fe7c22a4db0b2"`
Aug 02 13:50:53.360 INFO kablam!     Checking bounded-spsc-queue v0.2.0 (file:///source)
Aug 02 13:50:53.940 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:50:53.940 INFO kablam!  --> src/lib.rs:1:1
Aug 02 13:50:53.940 INFO kablam!   |
Aug 02 13:50:53.940 INFO kablam! 1 | #![feature(allocator_api, alloc, box_syntax, optin_builtin_traits)]
Aug 02 13:50:53.940 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:50:53.940 INFO kablam! 
Aug 02 13:50:53.943 INFO kablam! error: aborting due to previous error
Aug 02 13:50:53.945 INFO kablam! 
Aug 02 13:50:53.945 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:50:53.957 INFO kablam! error: Could not compile `bounded-spsc-queue`.
Aug 02 13:50:53.957 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:50:54.016 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:50:54.016 INFO kablam!  --> src/lib.rs:1:1
Aug 02 13:50:54.016 INFO kablam!   |
Aug 02 13:50:54.016 INFO kablam! 1 | #![feature(allocator_api, alloc, box_syntax, optin_builtin_traits)]
Aug 02 13:50:54.016 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:50:54.016 INFO kablam! 
Aug 02 13:50:54.021 INFO kablam! error: aborting due to previous error
Aug 02 13:50:54.022 INFO kablam! 
Aug 02 13:50:54.022 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:50:54.034 INFO kablam! error: Could not compile `bounded-spsc-queue`.
Aug 02 13:50:54.035 INFO kablam! 
Aug 02 13:50:54.035 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:50:54.037 INFO kablam! su: No module specific data is present
Aug 02 13:50:54.894 INFO running `"docker" "rm" "-f" "0655986d0c419a226a5e4207e96c061bb29a49e5112d8c03471fe7c22a4db0b2"`
Aug 02 13:50:55.015 INFO blam! 0655986d0c419a226a5e4207e96c061bb29a49e5112d8c03471fe7c22a4db0b2