Sep 06 09:19:35.615 INFO checking btree-0.1.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 09:19:35.615 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 09:19:35.615 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 09:19:35.774 INFO blam! fc32a6db6ec46f303e76f9d1d11c927fd13bc7967ca3dc4107fcee0fe7f13558
Sep 06 09:19:35.776 INFO running `"docker" "start" "-a" "fc32a6db6ec46f303e76f9d1d11c927fd13bc7967ca3dc4107fcee0fe7f13558"`
Sep 06 09:19:36.420 INFO kablam! usermod: no changes
Sep 06 09:19:36.459 INFO kablam! warning: `panic` setting is ignored for `test` profile
Sep 06 09:19:36.490 INFO kablam!    Compiling syn v0.10.8
Sep 06 09:19:39.176 INFO kablam!    Compiling raw_serde_derive v0.1.2
Sep 06 09:19:42.122 INFO kablam!     Checking raw_serde v0.1.4
Sep 06 09:19:47.462 INFO kablam!     Checking btree v0.1.0 (file:///source)
Sep 06 09:19:48.734 INFO kablam! warning: unused variable: `x`
Sep 06 09:19:48.734 INFO kablam!   --> src/lib.rs:26:13
Sep 06 09:19:48.734 INFO kablam!    |
Sep 06 09:19:48.734 INFO kablam! 26 |         let x = t.search(&i.to_string()).unwrap().unwrap();
Sep 06 09:19:48.734 INFO kablam!    |             ^ help: consider using `_x` instead
Sep 06 09:19:48.734 INFO kablam!    |
Sep 06 09:19:48.734 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 09:19:48.734 INFO kablam! 
Sep 06 09:19:49.182 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.74s
Sep 06 09:19:49.186 INFO kablam! su: No module specific data is present
Sep 06 09:19:50.218 INFO running `"docker" "rm" "-f" "fc32a6db6ec46f303e76f9d1d11c927fd13bc7967ca3dc4107fcee0fe7f13558"`
Sep 06 09:19:50.348 INFO blam! fc32a6db6ec46f303e76f9d1d11c927fd13bc7967ca3dc4107fcee0fe7f13558