Sep 21 12:45:35.831 INFO checking btree-0.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 12:45:35.831 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 12:45:35.831 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:45:35.996 INFO blam! d1453dc9ecb357b81a44520f264ac02930088457e0e2112bed081d899116767d
Sep 21 12:45:35.998 INFO running `"docker" "start" "-a" "d1453dc9ecb357b81a44520f264ac02930088457e0e2112bed081d899116767d"`
Sep 21 12:45:37.016 INFO kablam! usermod: no changes
Sep 21 12:45:37.034 INFO kablam! warning: `panic` setting is ignored for `test` profile
Sep 21 12:45:37.049 INFO kablam!    Compiling raw_serde_derive v0.1.2
Sep 21 12:45:40.206 INFO kablam!     Checking raw_serde v0.1.4
Sep 21 12:45:46.149 INFO kablam!     Checking btree v0.1.0 (/source)
Sep 21 12:45:46.906 INFO kablam! warning: unused variable: `x`
Sep 21 12:45:46.906 INFO kablam!   --> src/lib.rs:26:13
Sep 21 12:45:46.906 INFO kablam!    |
Sep 21 12:45:46.906 INFO kablam! 26 |         let x = t.search(&i.to_string()).unwrap().unwrap();
Sep 21 12:45:46.906 INFO kablam!    |             ^ help: consider using `_x` instead
Sep 21 12:45:46.906 INFO kablam!    |
Sep 21 12:45:46.906 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 12:45:46.906 INFO kablam! 
Sep 21 12:45:47.009 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.98s
Sep 21 12:45:47.013 INFO kablam! su: No module specific data is present
Sep 21 12:45:47.582 INFO running `"docker" "rm" "-f" "d1453dc9ecb357b81a44520f264ac02930088457e0e2112bed081d899116767d"`
Sep 21 12:45:47.686 INFO blam! d1453dc9ecb357b81a44520f264ac02930088457e0e2112bed081d899116767d