Aug 02 04:17:00.568 INFO checking mkw41z4-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:17:00.568 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:17:00.568 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:17:00.568 INFO running `"docker" "create" "-v" "/tmp/crater.RTStI0COqYjC:/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 02 04:17:00.791 INFO blam! 4efb5085f20b1c773f905df51473fdb5c0f62b156df6d4545b0e9f727ed302bf
Aug 02 04:17:00.793 INFO running `"docker" "start" "-a" "4efb5085f20b1c773f905df51473fdb5c0f62b156df6d4545b0e9f727ed302bf"`
Aug 02 04:17:02.235 INFO kablam!     Checking aligned v0.1.2
Aug 02 04:17:02.238 INFO kablam!     Checking bare-metal v0.1.2
Aug 02 04:17:02.448 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:02.448 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35
Aug 02 04:17:02.448 INFO kablam!    |
Aug 02 04:17:02.448 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
Aug 02 04:17:02.448 INFO kablam!    |                                   ^^^^^^^^^^^^^^^^^^
Aug 02 04:17:02.449 INFO kablam! 
Aug 02 04:17:02.450 INFO kablam! error: aborting due to previous error
Aug 02 04:17:02.450 INFO kablam! 
Aug 02 04:17:02.450 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:02.464 INFO kablam! error: Could not compile `aligned`.
Aug 02 04:17:02.464 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:02.476 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:02.476 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 02 04:17:02.476 INFO kablam!   |
Aug 02 04:17:02.476 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 04:17:02.476 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:17:02.477 INFO kablam! 
Aug 02 04:17:02.477 INFO kablam! error: aborting due to previous error
Aug 02 04:17:02.478 INFO kablam! 
Aug 02 04:17:02.478 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:02.486 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 04:17:02.487 INFO kablam! 
Aug 02 04:17:02.487 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:17:02.489 INFO kablam! su: No module specific data is present
Aug 02 04:17:03.441 INFO running `"docker" "rm" "-f" "4efb5085f20b1c773f905df51473fdb5c0f62b156df6d4545b0e9f727ed302bf"`
Aug 02 04:17:03.525 INFO blam! 4efb5085f20b1c773f905df51473fdb5c0f62b156df6d4545b0e9f727ed302bf