Sep 02 08:04:38.361 INFO checking mailchecker-3.2.7 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 08:04:38.361 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 08:04:38.361 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 08:04:38.569 INFO blam! b9e3755241b088f2fab77cf28b8afb192550224da41020d1ba9dedb0631fc702
Sep 02 08:04:38.571 INFO running `"docker" "start" "-a" "b9e3755241b088f2fab77cf28b8afb192550224da41020d1ba9dedb0631fc702"`
Sep 02 08:04:39.292 INFO kablam!     Checking ascii_utils v0.9.3
Sep 02 08:04:39.798 INFO kablam!     Checking fast_chemail v0.9.5
Sep 02 08:04:40.358 INFO kablam!     Checking mailchecker v3.2.7 (file:///source)
Sep 02 08:04:40.977 INFO kablam! warning: unused `#[macro_use]` import
Sep 02 08:04:40.977 INFO kablam!  --> src/lib.rs:2:1
Sep 02 08:04:40.977 INFO kablam!   |
Sep 02 08:04:40.977 INFO kablam! 2 | #[macro_use]
Sep 02 08:04:40.977 INFO kablam!   | ^^^^^^^^^^^^
Sep 02 08:04:40.977 INFO kablam!   |
Sep 02 08:04:40.978 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 08:04:40.978 INFO kablam! 
Sep 02 08:04:41.245 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Sep 02 08:04:41.247 INFO kablam! su: No module specific data is present
Sep 02 08:04:41.659 INFO running `"docker" "rm" "-f" "b9e3755241b088f2fab77cf28b8afb192550224da41020d1ba9dedb0631fc702"`
Sep 02 08:04:41.755 INFO blam! b9e3755241b088f2fab77cf28b8afb192550224da41020d1ba9dedb0631fc702