Aug 02 10:34:55.606 INFO checking exar-testkit-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 10:34:55.606 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:34:55.606 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:34:55.607 INFO running `"docker" "create" "-v" "/tmp/crater.All3bJ0f05cP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 02 10:34:55.902 INFO blam! 162f64fd31f59ff148356b330695ac7636088bd956b5ac4f0fc1dff4ab587c70
Aug 02 10:34:55.905 INFO running `"docker" "start" "-a" "162f64fd31f59ff148356b330695ac7636088bd956b5ac4f0fc1dff4ab587c70"`
Aug 02 10:34:57.051 INFO kablam!     Checking exar-testkit v0.1.0 (file:///source)
Aug 02 10:34:57.856 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:34:57.856 INFO kablam!  --> src/lib.rs:1:1
Aug 02 10:34:57.856 INFO kablam!   |
Aug 02 10:34:57.856 INFO kablam! 1 | #![feature(const_fn)]
Aug 02 10:34:57.856 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:34:57.856 INFO kablam! 
Aug 02 10:34:57.856 INFO kablam! error: aborting due to previous error
Aug 02 10:34:57.856 INFO kablam! 
Aug 02 10:34:57.856 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:34:57.875 INFO kablam! error: Could not compile `exar-testkit`.
Aug 02 10:34:57.875 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:34:57.933 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:34:57.933 INFO kablam!  --> src/lib.rs:1:1
Aug 02 10:34:57.933 INFO kablam!   |
Aug 02 10:34:57.933 INFO kablam! 1 | #![feature(const_fn)]
Aug 02 10:34:57.933 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:34:57.933 INFO kablam! 
Aug 02 10:34:57.934 INFO kablam! error: aborting due to previous error
Aug 02 10:34:57.934 INFO kablam! 
Aug 02 10:34:57.934 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:34:57.942 INFO kablam! error: Could not compile `exar-testkit`.
Aug 02 10:34:57.942 INFO kablam! 
Aug 02 10:34:57.942 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:34:57.943 INFO kablam! su: No module specific data is present
Aug 02 10:34:58.515 INFO running `"docker" "rm" "-f" "162f64fd31f59ff148356b330695ac7636088bd956b5ac4f0fc1dff4ab587c70"`
Aug 02 10:34:58.672 INFO blam! 162f64fd31f59ff148356b330695ac7636088bd956b5ac4f0fc1dff4ab587c70