[INFO] crate rusty-leveldb 0.2.4 is already in cache [INFO] extracting crate rusty-leveldb 0.2.4 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/rusty-leveldb/0.2.4 [INFO] extracting crate rusty-leveldb 0.2.4 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/rusty-leveldb/0.2.4 [INFO] validating manifest of rusty-leveldb-0.2.4 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 rusty-leveldb-0.2.4 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 rusty-leveldb-0.2.4 [INFO] finished frobbing rusty-leveldb-0.2.4 [INFO] frobbed toml for rusty-leveldb-0.2.4 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/rusty-leveldb/0.2.4/Cargo.toml [INFO] started frobbing rusty-leveldb-0.2.4 [INFO] finished frobbing rusty-leveldb-0.2.4 [INFO] frobbed toml for rusty-leveldb-0.2.4 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/rusty-leveldb/0.2.4/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 rusty-leveldb-0.2.4 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/rusty-leveldb/0.2.4:/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] 8f7baf7db366c916012f8cd563fc7e0ca5cad582f2d9f8fb987e08963bf72eb4 [INFO] running `"docker" "start" "-a" "8f7baf7db366c916012f8cd563fc7e0ca5cad582f2d9f8fb987e08963bf72eb4"` [INFO] [stderr] Checking time-test v0.2.1 [INFO] [stderr] Checking rusty-leveldb v0.2.4 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/mem_env.rs:181:43 [INFO] [stderr] | [INFO] [stderr] 181 | children.push(Path::new(k.trim_left_matches(&prefix)).to_owned()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/mem_env.rs:181:43 [INFO] [stderr] | [INFO] [stderr] 181 | children.push(Path::new(k.trim_left_matches(&prefix)).to_owned()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/version_set.rs:889:9 [INFO] [stderr] | [INFO] [stderr] 889 | env.delete(Path::new(&tempfile)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | self.opt.env.mkdir(Path::new(&self.name)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:324:21 [INFO] [stderr] | [INFO] [stderr] 324 | self.cache.borrow_mut().evict(num).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:734:13 [INFO] [stderr] | [INFO] [stderr] 734 | / self.opt [INFO] [stderr] 735 | | .env [INFO] [stderr] 736 | | .delete(Path::new(&table_file_name(&self.name, num))) [INFO] [stderr] 737 | | .is_ok(); [INFO] [stderr] | |_________________________^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:931:9 [INFO] [stderr] | [INFO] [stderr] 931 | self.release_lock().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:963:13 [INFO] [stderr] | [INFO] [stderr] 963 | env.delete(&name).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1015:9 [INFO] [stderr] | [INFO] [stderr] 1015 | opt.env.delete(Path::new(&filename)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1021:9 [INFO] [stderr] | [INFO] [stderr] 1021 | opt.env.delete(Path::new(&filename)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1045:5 [INFO] [stderr] | [INFO] [stderr] 1045 | env.mkdir(Path::new(db)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1048:13 [INFO] [stderr] | [INFO] [stderr] 1048 | / env.rename(Path::new(&logfilename), Path::new(&oldlogfilename)) [INFO] [stderr] 1049 | | .is_ok(); [INFO] [stderr] | |_________________________^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/version_set.rs:889:9 [INFO] [stderr] | [INFO] [stderr] 889 | env.delete(Path::new(&tempfile)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | self.opt.env.mkdir(Path::new(&self.name)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:324:21 [INFO] [stderr] | [INFO] [stderr] 324 | self.cache.borrow_mut().evict(num).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:734:13 [INFO] [stderr] | [INFO] [stderr] 734 | / self.opt [INFO] [stderr] 735 | | .env [INFO] [stderr] 736 | | .delete(Path::new(&table_file_name(&self.name, num))) [INFO] [stderr] 737 | | .is_ok(); [INFO] [stderr] | |_________________________^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:931:9 [INFO] [stderr] | [INFO] [stderr] 931 | self.release_lock().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:963:13 [INFO] [stderr] | [INFO] [stderr] 963 | env.delete(&name).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1015:9 [INFO] [stderr] | [INFO] [stderr] 1015 | opt.env.delete(Path::new(&filename)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1021:9 [INFO] [stderr] | [INFO] [stderr] 1021 | opt.env.delete(Path::new(&filename)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1045:5 [INFO] [stderr] | [INFO] [stderr] 1045 | env.mkdir(Path::new(db)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/db_impl.rs:1048:13 [INFO] [stderr] | [INFO] [stderr] 1048 | / env.rename(Path::new(&logfilename), Path::new(&oldlogfilename)) [INFO] [stderr] 1049 | | .is_ok(); [INFO] [stderr] | |_________________________^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.68s [INFO] running `"docker" "inspect" "8f7baf7db366c916012f8cd563fc7e0ca5cad582f2d9f8fb987e08963bf72eb4"` [INFO] running `"docker" "rm" "-f" "8f7baf7db366c916012f8cd563fc7e0ca5cad582f2d9f8fb987e08963bf72eb4"` [INFO] [stdout] 8f7baf7db366c916012f8cd563fc7e0ca5cad582f2d9f8fb987e08963bf72eb4