Aug 11 17:26:18.427 INFO checking commitlog-0.0.10 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 17:26:18.427 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 17:26:18.427 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 17:26:18.427 INFO running `"docker" "create" "-v" "/tmp/crater.bDRY0sGkyWMl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-4/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 17:26:18.675 INFO blam! ca15d2f9a2df0b18a3d8c8a24e15647e34231fd0d10336188a220dc32ebcd45f
Aug 11 17:26:18.677 INFO running `"docker" "start" "-a" "ca15d2f9a2df0b18a3d8c8a24e15647e34231fd0d10336188a220dc32ebcd45f"`
Aug 11 17:26:19.848 INFO kablam!    Compiling crc32c v0.3.1
Aug 11 17:26:23.537 INFO kablam!     Checking commitlog v0.0.10 (file:///source)
Aug 11 17:26:27.269 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Aug 11 17:26:27.269 INFO kablam!   --> src/lib.rs:43:18
Aug 11 17:26:27.269 INFO kablam!    |
Aug 11 17:26:27.269 INFO kablam! 43 | #![feature(test, collections_bound, step_by)]
Aug 11 17:26:27.269 INFO kablam!    |                  ^^^^^^^^^^^^^^^^^
Aug 11 17:26:27.270 INFO kablam!    |
Aug 11 17:26:27.270 INFO kablam!    = note: #[warn(stable_features)] on by default
Aug 11 17:26:27.270 INFO kablam! 
Aug 11 17:26:27.270 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 11 17:26:27.270 INFO kablam!   --> src/lib.rs:43:37
Aug 11 17:26:27.270 INFO kablam!    |
Aug 11 17:26:27.270 INFO kablam! 43 | #![feature(test, collections_bound, step_by)]
Aug 11 17:26:27.270 INFO kablam!    |                                     ^^^^^^^
Aug 11 17:26:27.270 INFO kablam! 
Aug 11 17:26:27.332 INFO kablam! error: aborting due to previous error
Aug 11 17:26:27.340 INFO kablam! 
Aug 11 17:26:27.341 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 17:26:27.361 INFO kablam! error: Could not compile `commitlog`.
Aug 11 17:26:27.361 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 17:26:29.250 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Aug 11 17:26:29.250 INFO kablam!   --> src/lib.rs:43:18
Aug 11 17:26:29.250 INFO kablam!    |
Aug 11 17:26:29.250 INFO kablam! 43 | #![feature(test, collections_bound, step_by)]
Aug 11 17:26:29.250 INFO kablam!    |                  ^^^^^^^^^^^^^^^^^
Aug 11 17:26:29.251 INFO kablam!    |
Aug 11 17:26:29.251 INFO kablam!    = note: #[warn(stable_features)] on by default
Aug 11 17:26:29.251 INFO kablam! 
Aug 11 17:26:29.252 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 11 17:26:29.252 INFO kablam!   --> src/lib.rs:43:37
Aug 11 17:26:29.252 INFO kablam!    |
Aug 11 17:26:29.252 INFO kablam! 43 | #![feature(test, collections_bound, step_by)]
Aug 11 17:26:29.252 INFO kablam!    |                                     ^^^^^^^
Aug 11 17:26:29.252 INFO kablam! 
Aug 11 17:26:29.324 INFO kablam! error: aborting due to previous error
Aug 11 17:26:29.325 INFO kablam! 
Aug 11 17:26:29.325 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 17:26:29.346 INFO kablam! error: Could not compile `commitlog`.
Aug 11 17:26:29.346 INFO kablam! 
Aug 11 17:26:29.346 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 17:26:29.348 INFO kablam! su: No module specific data is present
Aug 11 17:26:30.143 INFO running `"docker" "rm" "-f" "ca15d2f9a2df0b18a3d8c8a24e15647e34231fd0d10336188a220dc32ebcd45f"`
Aug 11 17:26:30.321 INFO blam! ca15d2f9a2df0b18a3d8c8a24e15647e34231fd0d10336188a220dc32ebcd45f