Aug 02 05:44:45.140 INFO checking lcms2-5.0.1 against 1.27.2 for lazy_static-1
Aug 02 05:44:45.140 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:44:45.140 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:44:45.140 INFO running `"docker" "create" "-v" "/tmp/crater.Ip12XQbedNQK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 05:44:45.313 INFO blam! 04654e6d39babfaa8ec822ad1b08c71b934047b70c5bc675113a91c682f1ce27
Aug 02 05:44:45.315 INFO running `"docker" "start" "-a" "04654e6d39babfaa8ec822ad1b08c71b934047b70c5bc675113a91c682f1ce27"`
Aug 02 05:44:46.995 INFO kablam!    Compiling dunce v0.1.1
Aug 02 05:44:47.784 INFO kablam!    Compiling lcms2-sys v2.4.8
Aug 02 05:44:54.130 INFO kablam!     Checking lcms2 v5.0.1 (file:///source)
Aug 02 05:44:58.210 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:44:58.210 INFO kablam!  --> examples/compare.rs:1:1
Aug 02 05:44:58.210 INFO kablam!   |
Aug 02 05:44:58.210 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 05:44:58.210 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:44:58.210 INFO kablam! 
Aug 02 05:44:58.211 INFO kablam! error: aborting due to previous error
Aug 02 05:44:58.211 INFO kablam! 
Aug 02 05:44:58.212 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:44:58.220 INFO kablam! error: Could not compile `lcms2`.
Aug 02 05:44:58.221 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:44:58.229 INFO kablam! error: build failed
Aug 02 05:44:58.231 INFO kablam! su: No module specific data is present
Aug 02 05:44:58.786 INFO running `"docker" "rm" "-f" "04654e6d39babfaa8ec822ad1b08c71b934047b70c5bc675113a91c682f1ce27"`
Aug 02 05:44:58.957 INFO blam! 04654e6d39babfaa8ec822ad1b08c71b934047b70c5bc675113a91c682f1ce27