Aug 10 20:17:01.862 INFO checking cswinter/LocustDB against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 20:17:01.862 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 20:17:01.862 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 20:17:01.862 INFO running `"docker" "create" "-v" "/tmp/crater.HDECz50lZJcw:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-4/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 20:17:02.111 INFO blam! b56fc379a3ba6b4732281216056a87babab766e8e3f311e959028d1dfa83c932
Aug 10 20:17:02.113 INFO running `"docker" "start" "-a" "b56fc379a3ba6b4732281216056a87babab766e8e3f311e959028d1dfa83c932"`
Aug 10 20:17:03.280 INFO kablam!     Checking either v1.5.0
Aug 10 20:17:03.283 INFO kablam!    Compiling heapsize v0.4.2
Aug 10 20:17:03.284 INFO kablam!    Compiling locustdb v0.1.0-alpha (file:///source)
Aug 10 20:17:03.284 INFO kablam!     Checking seahash v3.0.5
Aug 10 20:17:03.291 INFO kablam!     Checking lru v0.1.7
Aug 10 20:17:03.293 INFO kablam!     Checking log v0.4.3
Aug 10 20:17:03.293 INFO kablam!     Checking csv-core v0.1.4
Aug 10 20:17:03.294 INFO kablam!    Compiling synstructure v0.5.2
Aug 10 20:17:06.881 INFO kablam!    Compiling heapsize_derive v0.1.4
Aug 10 20:17:07.343 INFO kablam!     Checking futures-core v0.2.1
Aug 10 20:17:07.353 INFO kablam!     Checking itertools v0.5.10
Aug 10 20:17:07.454 INFO kablam!     Checking env_logger v0.5.12
Aug 10 20:17:09.046 INFO kablam!     Checking csv v1.0.0
Aug 10 20:17:12.086 INFO kablam!     Checking futures-channel v0.2.1
Aug 10 20:17:12.086 INFO kablam!     Checking futures-io v0.2.1
Aug 10 20:17:16.233 INFO kablam!     Checking futures-sink v0.2.1
Aug 10 20:17:17.321 INFO kablam!     Checking futures-util v0.2.1
Aug 10 20:17:26.891 INFO kablam!     Checking futures-executor v0.2.1
Aug 10 20:17:48.245 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 10 20:17:48.245 INFO kablam!  --> src/lib.rs:1:141
Aug 10 20:17:48.245 INFO kablam!   |
Aug 10 20:17:48.245 INFO kablam! 1 | #![feature(fn_traits, integer_atomics, refcell_replace_swap, specialization, trait_alias, core_intrinsics, box_patterns, int_to_from_bytes, iterator_step_by)]
Aug 10 20:17:48.245 INFO kablam!   |                                                                                                                                             ^^^^^^^^^^^^^^^^
Aug 10 20:17:48.245 INFO kablam!   |
Aug 10 20:17:48.246 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 10 20:17:48.246 INFO kablam! 
Aug 10 20:17:48.267 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 10 20:17:48.267 INFO kablam!  --> src/lib.rs:1:141
Aug 10 20:17:48.267 INFO kablam!   |
Aug 10 20:17:48.267 INFO kablam! 1 | #![feature(fn_traits, integer_atomics, refcell_replace_swap, specialization, trait_alias, core_intrinsics, box_patterns, int_to_from_bytes, iterator_step_by)]
Aug 10 20:17:48.267 INFO kablam!   |                                                                                                                                             ^^^^^^^^^^^^^^^^
Aug 10 20:17:48.267 INFO kablam!   |
Aug 10 20:17:48.267 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 10 20:17:48.267 INFO kablam! 
Aug 10 20:17:55.916 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 53.00s
Aug 10 20:17:55.981 INFO kablam! su: No module specific data is present
Aug 10 20:17:56.511 INFO running `"docker" "rm" "-f" "b56fc379a3ba6b4732281216056a87babab766e8e3f311e959028d1dfa83c932"`
Aug 10 20:17:56.682 INFO blam! b56fc379a3ba6b4732281216056a87babab766e8e3f311e959028d1dfa83c932