Sep 10 12:11:20.419 INFO checking rax-0.1.5 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:11:20.419 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:11:20.419 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:11:20.619 INFO blam! e8254b9252d7da965cc641b8044524739003f7aef86d8ef55a47c11c38f44b52
Sep 10 12:11:20.621 INFO running `"docker" "start" "-a" "e8254b9252d7da965cc641b8044524739003f7aef86d8ef55a47c11c38f44b52"`
Sep 10 12:11:22.275 INFO kablam! usermod: no changes
Sep 10 12:11:22.370 INFO kablam!    Compiling rax v0.1.5 (file:///source)
Sep 10 12:11:24.586 INFO kablam! warning: unused import: `Bencher`
Sep 10 12:11:24.586 INFO kablam!     --> src/lib.rs:1969:16
Sep 10 12:11:24.586 INFO kablam!      |
Sep 10 12:11:24.586 INFO kablam! 1969 |     use test::{Bencher};
Sep 10 12:11:24.586 INFO kablam!      |                ^^^^^^^
Sep 10 12:11:24.586 INFO kablam!      |
Sep 10 12:11:24.586 INFO kablam!      = note: #[warn(unused_imports)] on by default
Sep 10 12:11:24.586 INFO kablam! 
Sep 10 12:11:25.446 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:11:25.446 INFO kablam!   --> benches/bench.rs:19:9
Sep 10 12:11:25.446 INFO kablam!    |
Sep 10 12:11:25.446 INFO kablam! 19 |         r.insert_null(3);
Sep 10 12:11:25.446 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Sep 10 12:11:25.446 INFO kablam!    |
Sep 10 12:11:25.446 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 12:11:25.446 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:11:25.446 INFO kablam! 
Sep 10 12:11:25.465 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
Sep 10 12:11:25.468 INFO kablam! su: No module specific data is present
Sep 10 12:11:26.273 INFO running `"docker" "rm" "-f" "e8254b9252d7da965cc641b8044524739003f7aef86d8ef55a47c11c38f44b52"`
Sep 10 12:11:26.389 INFO blam! e8254b9252d7da965cc641b8044524739003f7aef86d8ef55a47c11c38f44b52