Sep 20 02:04:44.671 INFO checking hamt-rs-0.3.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 02:04:44.671 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 02:04:44.671 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:04:44.874 INFO blam! 20bcfe39178ae7862586963ed59d321f99d63c35fa853ad1467ad8cbfce9b6b1
Sep 20 02:04:44.876 INFO running `"docker" "start" "-a" "20bcfe39178ae7862586963ed59d321f99d63c35fa853ad1467ad8cbfce9b6b1"`
Sep 20 02:04:46.237 INFO kablam! usermod: no changes
Sep 20 02:04:46.346 INFO kablam!     Checking hamt-rs v0.3.0 (/source)
Sep 20 02:04:49.802 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Sep 20 02:04:49.802 INFO kablam!    --> benches/benches.rs:165:9
Sep 20 02:04:49.802 INFO kablam!     |
Sep 20 02:04:49.802 INFO kablam! 165 |         map.clone();
Sep 20 02:04:49.802 INFO kablam!     |         ^^^^^^^^^^^^
Sep 20 02:04:49.802 INFO kablam!     |
Sep 20 02:04:49.802 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 02:04:49.802 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 20 02:04:49.802 INFO kablam! 
Sep 20 02:04:49.823 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
Sep 20 02:04:49.827 INFO kablam! su: No module specific data is present
Sep 20 02:04:50.534 INFO running `"docker" "rm" "-f" "20bcfe39178ae7862586963ed59d321f99d63c35fa853ad1467ad8cbfce9b6b1"`
Sep 20 02:04:50.595 INFO blam! 20bcfe39178ae7862586963ed59d321f99d63c35fa853ad1467ad8cbfce9b6b1