Sep 10 05:38:06.568 INFO checking BurntSushi/cargo-benchcmp against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 05:38:06.568 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 05:38:06.568 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 05:38:06.855 INFO blam! 1847e539a17a685fe63e2452ab042049e1c5c8669ed60add3f49003aa8c503c4
Sep 10 05:38:06.857 INFO running `"docker" "start" "-a" "1847e539a17a685fe63e2452ab042049e1c5c8669ed60add3f49003aa8c503c4"`
Sep 10 05:38:08.910 INFO kablam! usermod: no changes
Sep 10 05:38:09.178 INFO kablam!     Checking rand_core v0.2.1
Sep 10 05:38:09.178 INFO kablam!     Checking encode_unicode v0.3.2
Sep 10 05:38:09.220 INFO kablam!     Checking tempdir v0.3.7
Sep 10 05:38:09.220 INFO kablam!     Checking env_logger v0.5.13
Sep 10 05:38:09.220 INFO kablam!     Checking docopt v1.0.1
Sep 10 05:38:10.186 INFO kablam!     Checking second_law v0.3.1
Sep 10 05:38:10.922 INFO kablam!     Checking rand v0.5.5
Sep 10 05:38:11.128 INFO kablam! error[E0282]: type annotations needed
Sep 10 05:38:11.128 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/second_law-0.3.1/src/atpath.rs:66:52
Sep 10 05:38:11.128 INFO kablam!    |
Sep 10 05:38:11.128 INFO kablam! 66 |                 unprefixed.push(component.as_ref().to_str().unwrap());
Sep 10 05:38:11.128 INFO kablam!    |                                                    ^^^^^^ cannot infer type for `T`
Sep 10 05:38:11.138 INFO kablam!    |
Sep 10 05:38:11.138 INFO kablam!    = note: type must be known at this point
Sep 10 05:38:11.138 INFO kablam! 
Sep 10 05:38:11.793 INFO kablam! error: aborting due to previous error
Sep 10 05:38:11.810 INFO kablam! 
Sep 10 05:38:11.810 INFO kablam! For more information about this error, try `rustc --explain E0282`.
Sep 10 05:38:11.830 INFO kablam! error: Could not compile `second_law`.
Sep 10 05:38:11.831 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 05:38:14.775 INFO kablam! error: build failed
Sep 10 05:38:14.777 INFO kablam! su: No module specific data is present
Sep 10 05:38:16.568 INFO running `"docker" "rm" "-f" "1847e539a17a685fe63e2452ab042049e1c5c8669ed60add3f49003aa8c503c4"`
Sep 10 05:38:16.686 INFO blam! 1847e539a17a685fe63e2452ab042049e1c5c8669ed60add3f49003aa8c503c4