Sep 02 00:22:40.958 INFO checking codespan-reporting-0.1.4 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 02 00:22:40.958 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 00:22:40.958 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/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 00:22:41.106 INFO blam! 23c74d8a4dd49d4a90576598c971face79e87c993e9b81615cbaca6d1fef8c1e
Sep 02 00:22:41.108 INFO running `"docker" "start" "-a" "23c74d8a4dd49d4a90576598c971face79e87c993e9b81615cbaca6d1fef8c1e"`
Sep 02 00:22:41.771 INFO kablam!     Checking codespan v0.1.3
Sep 02 00:22:43.751 INFO kablam!     Checking codespan-reporting v0.1.4 (file:///source)
Sep 02 00:22:47.143 INFO kablam! warning: unused `#[macro_use]` import
Sep 02 00:22:47.143 INFO kablam!  --> examples/emit.rs:3:1
Sep 02 00:22:47.143 INFO kablam!   |
Sep 02 00:22:47.143 INFO kablam! 3 | #[macro_use]
Sep 02 00:22:47.143 INFO kablam!   | ^^^^^^^^^^^^
Sep 02 00:22:47.143 INFO kablam!   |
Sep 02 00:22:47.143 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 00:22:47.143 INFO kablam! 
Sep 02 00:22:47.285 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
Sep 02 00:22:47.291 INFO kablam! su: No module specific data is present
Sep 02 00:22:47.797 INFO running `"docker" "rm" "-f" "23c74d8a4dd49d4a90576598c971face79e87c993e9b81615cbaca6d1fef8c1e"`
Sep 02 00:22:47.899 INFO blam! 23c74d8a4dd49d4a90576598c971face79e87c993e9b81615cbaca6d1fef8c1e