Sep 01 00:52:35.640 INFO checking BurntSushi/cargo-benchcmp against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 00:52:35.640 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 00:52:35.640 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 00:52:35.802 INFO blam! 5526a6fbb653c6dd9586a6c1fd3fd4452b1e93cc717beea3e8c7a55265747cea
Sep 01 00:52:35.804 INFO running `"docker" "start" "-a" "5526a6fbb653c6dd9586a6c1fd3fd4452b1e93cc717beea3e8c7a55265747cea"`
Sep 01 00:52:36.643 INFO kablam!     Checking rand_core v0.2.1
Sep 01 00:52:36.643 INFO kablam!     Checking encode_unicode v0.3.2
Sep 01 00:52:36.646 INFO kablam!     Checking second_law v0.3.1
Sep 01 00:52:36.649 INFO kablam!     Checking env_logger v0.5.13
Sep 01 00:52:36.649 INFO kablam!     Checking docopt v1.0.1
Sep 01 00:52:37.080 INFO kablam! error[E0282]: type annotations needed
Sep 01 00:52:37.080 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/second_law-0.3.1/src/atpath.rs:66:52
Sep 01 00:52:37.080 INFO kablam!    |
Sep 01 00:52:37.080 INFO kablam! 66 |                 unprefixed.push(component.as_ref().to_str().unwrap());
Sep 01 00:52:37.080 INFO kablam!    |                                                    ^^^^^^ cannot infer type for `T`
Sep 01 00:52:37.081 INFO kablam!    |
Sep 01 00:52:37.081 INFO kablam!    = note: type must be known at this point
Sep 01 00:52:37.081 INFO kablam! 
Sep 01 00:52:37.404 INFO kablam! error: aborting due to previous error
Sep 01 00:52:37.404 INFO kablam! 
Sep 01 00:52:37.404 INFO kablam! For more information about this error, try `rustc --explain E0282`.
Sep 01 00:52:37.413 INFO kablam! error: Could not compile `second_law`.
Sep 01 00:52:37.413 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 00:52:38.833 INFO kablam! error: build failed
Sep 01 00:52:38.835 INFO kablam! su: No module specific data is present
Sep 01 00:52:39.301 INFO running `"docker" "rm" "-f" "5526a6fbb653c6dd9586a6c1fd3fd4452b1e93cc717beea3e8c7a55265747cea"`
Sep 01 00:52:39.479 INFO blam! 5526a6fbb653c6dd9586a6c1fd3fd4452b1e93cc717beea3e8c7a55265747cea