[INFO] crate hamt-rs 0.3.0 is already in cache [INFO] extracting crate hamt-rs 0.3.0 into work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/hamt-rs/0.3.0 [INFO] extracting crate hamt-rs 0.3.0 into work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/reg/hamt-rs/0.3.0 [INFO] validating manifest of hamt-rs-0.3.0 on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hamt-rs-0.3.0 on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hamt-rs-0.3.0 [INFO] finished frobbing hamt-rs-0.3.0 [INFO] frobbed toml for hamt-rs-0.3.0 written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/hamt-rs/0.3.0/Cargo.toml [INFO] started frobbing hamt-rs-0.3.0 [INFO] finished frobbing hamt-rs-0.3.0 [INFO] frobbed toml for hamt-rs-0.3.0 written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/reg/hamt-rs/0.3.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hamt-rs-0.3.0 against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-7/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/hamt-rs/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f1b2345210c2c4dc72a3c6d720ac792443880f22e75f37fc264311cb659df76a [INFO] running `"docker" "start" "-a" "f1b2345210c2c4dc72a3c6d720ac792443880f22e75f37fc264311cb659df76a"` [INFO] [stderr] Checking hamt-rs v0.3.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used [INFO] [stderr] --> benches/benches.rs:165:9 [INFO] [stderr] | [INFO] [stderr] 165 | map.clone(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: cloning is often expensive and is not expected to have side effects [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.27s [INFO] running `"docker" "inspect" "f1b2345210c2c4dc72a3c6d720ac792443880f22e75f37fc264311cb659df76a"` [INFO] running `"docker" "rm" "-f" "f1b2345210c2c4dc72a3c6d720ac792443880f22e75f37fc264311cb659df76a"` [INFO] [stdout] f1b2345210c2c4dc72a3c6d720ac792443880f22e75f37fc264311cb659df76a