Sep 01 08:00:48.293 INFO checking rustc-rayon-core-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 08:00:48.293 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 08:00:48.294 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/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 08:00:48.466 INFO blam! 375e938adb27430b4a23101393adb87b4bf24b4a1a28e8534025b90becd1acf6
Sep 01 08:00:48.468 INFO running `"docker" "start" "-a" "375e938adb27430b4a23101393adb87b4bf24b4a1a28e8534025b90becd1acf6"`
Sep 01 08:00:49.266 INFO kablam!    Compiling rustc-rayon-core v0.1.1 (file:///source)
Sep 01 08:00:52.554 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 01 08:00:52.554 INFO kablam!   --> src/lib.rs:23:27
Sep 01 08:00:52.555 INFO kablam!    |
Sep 01 08:00:52.555 INFO kablam! 23 | #![cfg_attr(test, feature(conservative_impl_trait))]
Sep 01 08:00:52.555 INFO kablam!    |                           ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 08:00:52.555 INFO kablam!    |
Sep 01 08:00:52.555 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 01 08:00:52.555 INFO kablam! 
Sep 01 08:00:52.642 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
Sep 01 08:00:52.649 INFO kablam! su: No module specific data is present
Sep 01 08:00:53.107 INFO running `"docker" "rm" "-f" "375e938adb27430b4a23101393adb87b4bf24b4a1a28e8534025b90becd1acf6"`
Sep 01 08:00:53.211 INFO blam! 375e938adb27430b4a23101393adb87b4bf24b4a1a28e8534025b90becd1acf6