Dec 12 13:24:36.581 INFO checking hamt-rs-0.3.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 13:24:36.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 13:24:37.061 INFO [stdout] 8a0a1998a3d0043212b2fa44a64b4bdd43593040f0dfa6af49b9accd1514c7db
Dec 12 13:24:37.064 INFO running `"docker" "start" "-a" "8a0a1998a3d0043212b2fa44a64b4bdd43593040f0dfa6af49b9accd1514c7db"`
Dec 12 13:24:39.499 INFO [stderr] usermod: no changes
Dec 12 13:24:39.576 INFO [stderr]     Checking hamt-rs v0.3.0 (/source)
Dec 12 13:24:43.568 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 12 13:24:43.568 INFO [stderr]    --> benches/benches.rs:165:9
Dec 12 13:24:43.568 INFO [stderr]     |
Dec 12 13:24:43.568 INFO [stderr] 165 |         map.clone();
Dec 12 13:24:43.568 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 12 13:24:43.568 INFO [stderr]     |
Dec 12 13:24:43.568 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 13:24:43.568 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Dec 12 13:24:43.568 INFO [stderr] 
Dec 12 13:24:43.615 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
Dec 12 13:24:43.618 INFO [stderr] su: No module specific data is present
Dec 12 13:24:44.297 INFO running `"docker" "inspect" "8a0a1998a3d0043212b2fa44a64b4bdd43593040f0dfa6af49b9accd1514c7db"`
Dec 12 13:24:44.531 INFO running `"docker" "rm" "-f" "8a0a1998a3d0043212b2fa44a64b4bdd43593040f0dfa6af49b9accd1514c7db"`
Dec 12 13:24:44.803 INFO [stdout] 8a0a1998a3d0043212b2fa44a64b4bdd43593040f0dfa6af49b9accd1514c7db