Sep 02 16:39:20.073 INFO checking derive-error-0.0.4 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 16:39:20.073 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 16:39:20.073 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/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 02 16:39:20.370 INFO blam! 394980fe31bb7048a93aaf06984f1896dc0818fc4144f2c1d8ab04aade366fb7
Sep 02 16:39:20.372 INFO running `"docker" "start" "-a" "394980fe31bb7048a93aaf06984f1896dc0818fc4144f2c1d8ab04aade366fb7"`
Sep 02 16:39:21.292 INFO kablam!     Checking case v0.1.0
Sep 02 16:39:21.292 INFO kablam!     Checking crossbeam-utils v0.2.2
Sep 02 16:39:21.292 INFO kablam!    Compiling derive-error v0.0.4 (file:///source)
Sep 02 16:39:21.292 INFO kablam!     Checking colored v1.6.1
Sep 02 16:39:23.031 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 02 16:39:24.585 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 02 16:39:26.115 INFO kablam!     Checking rayon-core v1.4.1
Sep 02 16:39:28.722 INFO kablam!     Checking rayon v0.8.2
Sep 02 16:39:35.088 INFO kablam!     Checking rspec v1.0.0-beta.4
Sep 02 16:39:40.449 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.25s
Sep 02 16:39:40.453 INFO kablam! su: No module specific data is present
Sep 02 16:39:40.929 INFO running `"docker" "rm" "-f" "394980fe31bb7048a93aaf06984f1896dc0818fc4144f2c1d8ab04aade366fb7"`
Sep 02 16:39:41.055 INFO blam! 394980fe31bb7048a93aaf06984f1896dc0818fc4144f2c1d8ab04aade366fb7