Sep 01 15:00:39.550 INFO checking list_builder-0.0.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 15:00:39.550 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 15:00:39.550 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 15:00:39.702 INFO blam! cb6fa17028070f16d6f5bc067d9b015e06ac450ec512c3045426363f479be91a
Sep 01 15:00:39.704 INFO running `"docker" "start" "-a" "cb6fa17028070f16d6f5bc067d9b015e06ac450ec512c3045426363f479be91a"`
Sep 01 15:00:40.470 INFO kablam!     Checking list_builder v0.0.2 (file:///source)
Sep 01 15:00:40.855 INFO kablam! warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
Sep 01 15:00:40.856 INFO kablam!  --> src/lib.rs:1:12
Sep 01 15:00:40.856 INFO kablam!   |
Sep 01 15:00:40.856 INFO kablam! 1 | #![feature(core)]
Sep 01 15:00:40.856 INFO kablam!   |            ^^^^
Sep 01 15:00:40.856 INFO kablam!   |
Sep 01 15:00:40.856 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 15:00:40.856 INFO kablam! 
Sep 01 15:00:40.856 INFO kablam! warning: unused attribute
Sep 01 15:00:40.856 INFO kablam!   --> src/lib.rs:40:1
Sep 01 15:00:40.856 INFO kablam!    |
Sep 01 15:00:40.856 INFO kablam! 40 | #[macro_use]
Sep 01 15:00:40.856 INFO kablam!    | ^^^^^^^^^^^^
Sep 01 15:00:40.856 INFO kablam!    |
Sep 01 15:00:40.856 INFO kablam!    = note: #[warn(unused_attributes)] on by default
Sep 01 15:00:40.856 INFO kablam! 
Sep 01 15:00:41.048 INFO kablam! warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
Sep 01 15:00:41.048 INFO kablam!  --> src/lib.rs:1:12
Sep 01 15:00:41.048 INFO kablam!   |
Sep 01 15:00:41.048 INFO kablam! 1 | #![feature(core)]
Sep 01 15:00:41.048 INFO kablam!   |            ^^^^
Sep 01 15:00:41.048 INFO kablam!   |
Sep 01 15:00:41.048 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 15:00:41.048 INFO kablam! 
Sep 01 15:00:41.052 INFO kablam! warning: unused attribute
Sep 01 15:00:41.052 INFO kablam!   --> src/lib.rs:40:1
Sep 01 15:00:41.052 INFO kablam!    |
Sep 01 15:00:41.052 INFO kablam! 40 | #[macro_use]
Sep 01 15:00:41.052 INFO kablam!    | ^^^^^^^^^^^^
Sep 01 15:00:41.052 INFO kablam!    |
Sep 01 15:00:41.052 INFO kablam!    = note: #[warn(unused_attributes)] on by default
Sep 01 15:00:41.052 INFO kablam! 
Sep 01 15:00:41.571 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Sep 01 15:00:41.573 INFO kablam! su: No module specific data is present
Sep 01 15:00:42.052 INFO running `"docker" "rm" "-f" "cb6fa17028070f16d6f5bc067d9b015e06ac450ec512c3045426363f479be91a"`
Sep 01 15:00:42.133 INFO blam! cb6fa17028070f16d6f5bc067d9b015e06ac450ec512c3045426363f479be91a