[INFO] crate parking_lot_mpsc 0.1.5 is already in cache [INFO] extracting crate parking_lot_mpsc 0.1.5 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/parking_lot_mpsc/0.1.5 [INFO] extracting crate parking_lot_mpsc 0.1.5 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/parking_lot_mpsc/0.1.5 [INFO] validating manifest of parking_lot_mpsc-0.1.5 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of parking_lot_mpsc-0.1.5 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing parking_lot_mpsc-0.1.5 [INFO] finished frobbing parking_lot_mpsc-0.1.5 [INFO] frobbed toml for parking_lot_mpsc-0.1.5 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/parking_lot_mpsc/0.1.5/Cargo.toml [INFO] started frobbing parking_lot_mpsc-0.1.5 [INFO] finished frobbing parking_lot_mpsc-0.1.5 [INFO] frobbed toml for parking_lot_mpsc-0.1.5 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/parking_lot_mpsc/0.1.5/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking parking_lot_mpsc-0.1.5 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/parking_lot_mpsc/0.1.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6343ac3f93669dd79128344a0d1f9de57b19f2ac9397a762022de46432043fea [INFO] running `"docker" "start" "-a" "6343ac3f93669dd79128344a0d1f9de57b19f2ac9397a762022de46432043fea"` [INFO] [stderr] Checking parking_lot_mpsc v0.1.5 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used [INFO] [stderr] --> src/select.rs:522:13 [INFO] [stderr] | [INFO] [stderr] 522 | tx1.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] warning: unused return value of `std::clone::Clone::clone` that must be used [INFO] [stderr] --> src/select.rs:544:13 [INFO] [stderr] | [INFO] [stderr] 544 | tx1.clone(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [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 2.78s [INFO] running `"docker" "inspect" "6343ac3f93669dd79128344a0d1f9de57b19f2ac9397a762022de46432043fea"` [INFO] running `"docker" "rm" "-f" "6343ac3f93669dd79128344a0d1f9de57b19f2ac9397a762022de46432043fea"` [INFO] [stdout] 6343ac3f93669dd79128344a0d1f9de57b19f2ac9397a762022de46432043fea