Dec 04 13:30:41.312 INFO checking n3phtys/lmdb-rs-example-benchmark against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:30:41.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 13:30:41.827 INFO [stdout] 4a2450c3684a1f8c083641d6404e084a0e6a248ac53cad7c81314353359bc27a
Dec 04 13:30:41.829 INFO running `"docker" "start" "-a" "4a2450c3684a1f8c083641d6404e084a0e6a248ac53cad7c81314353359bc27a"`
Dec 04 13:30:42.724 INFO [stderr] usermod: no changes
Dec 04 13:30:42.851 INFO [stderr]    Compiling lmdb-sys v0.7.1
Dec 04 13:30:42.851 INFO [stderr]     Checking tempdir v0.3.5
Dec 04 13:30:45.196 INFO [stderr]     Checking lmdb v0.7.1
Dec 04 13:30:45.963 INFO [stderr]     Checking lmdb-rs-benchmark v0.1.0 (/source)
Dec 04 13:30:47.027 INFO [stderr] warning: unused variable: `database`
Dec 04 13:30:47.027 INFO [stderr]   --> benches/benchmark.rs:49:13
Dec 04 13:30:47.027 INFO [stderr]    |
Dec 04 13:30:47.027 INFO [stderr] 49 |         let database = db_environment.create_db(None, db_flags).unwrap();
Dec 04 13:30:47.027 INFO [stderr]    |             ^^^^^^^^ help: consider using `_database` instead
Dec 04 13:30:47.027 INFO [stderr]    |
Dec 04 13:30:47.027 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 13:30:47.027 INFO [stderr] 
Dec 04 13:30:47.027 INFO [stderr] warning: unused variable: `key`
Dec 04 13:30:47.027 INFO [stderr]   --> benches/benchmark.rs:59:17
Dec 04 13:30:47.027 INFO [stderr]    |
Dec 04 13:30:47.027 INFO [stderr] 59 |             let key = transform_u32_to_array_of_u8(iteration);
Dec 04 13:30:47.027 INFO [stderr]    |                 ^^^ help: consider using `_key` instead
Dec 04 13:30:47.027 INFO [stderr] 
Dec 04 13:30:47.027 INFO [stderr] warning: unused variable: `key`
Dec 04 13:30:47.027 INFO [stderr]   --> benches/benchmark.rs:87:17
Dec 04 13:30:47.027 INFO [stderr]    |
Dec 04 13:30:47.027 INFO [stderr] 87 |             let key = transform_u32_to_array_of_u8(iteration);
Dec 04 13:30:47.027 INFO [stderr]    |                 ^^^ help: consider using `_key` instead
Dec 04 13:30:47.027 INFO [stderr] 
Dec 04 13:30:47.027 INFO [stderr] warning: unused variable: `key`
Dec 04 13:30:47.027 INFO [stderr]    --> benches/benchmark.rs:115:17
Dec 04 13:30:47.027 INFO [stderr]     |
Dec 04 13:30:47.027 INFO [stderr] 115 |             let key = transform_u32_to_array_of_u8(iteration);
Dec 04 13:30:47.027 INFO [stderr]     |                 ^^^ help: consider using `_key` instead
Dec 04 13:30:47.027 INFO [stderr] 
Dec 04 13:30:47.027 INFO [stderr] warning: unused variable: `db_flags`
Dec 04 13:30:47.027 INFO [stderr]    --> benches/benchmark.rs:131:13
Dec 04 13:30:47.027 INFO [stderr]     |
Dec 04 13:30:47.027 INFO [stderr] 131 |         let db_flags: lmdb::DatabaseFlags = lmdb::DatabaseFlags::empty();
Dec 04 13:30:47.027 INFO [stderr]     |             ^^^^^^^^ help: consider using `_db_flags` instead
Dec 04 13:30:47.027 INFO [stderr] 
Dec 04 13:30:47.027 INFO [stderr] warning: unused variable: `db_environment`
Dec 04 13:30:47.027 INFO [stderr]    --> benches/benchmark.rs:132:13
Dec 04 13:30:47.027 INFO [stderr]     |
Dec 04 13:30:47.027 INFO [stderr] 132 |         let db_environment = lmdb::Environment::new().set_max_dbs(1).open(dir.as_ref()).unwrap();
Dec 04 13:30:47.027 INFO [stderr]     |             ^^^^^^^^^^^^^^ help: consider using `_db_environment` instead
Dec 04 13:30:47.027 INFO [stderr] 
Dec 04 13:30:47.027 INFO [stderr] warning: unused variable: `key`
Dec 04 13:30:47.027 INFO [stderr]    --> benches/benchmark.rs:143:17
Dec 04 13:30:47.027 INFO [stderr]     |
Dec 04 13:30:47.027 INFO [stderr] 143 |             let key = transform_u32_to_array_of_u8(iteration);
Dec 04 13:30:47.027 INFO [stderr]     |                 ^^^ help: consider using `_key` instead
Dec 04 13:30:47.027 INFO [stderr] 
Dec 04 13:30:47.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
Dec 04 13:30:47.123 INFO [stderr] su: No module specific data is present
Dec 04 13:30:47.913 INFO running `"docker" "inspect" "4a2450c3684a1f8c083641d6404e084a0e6a248ac53cad7c81314353359bc27a"`
Dec 04 13:30:48.160 INFO running `"docker" "rm" "-f" "4a2450c3684a1f8c083641d6404e084a0e6a248ac53cad7c81314353359bc27a"`
Dec 04 13:30:48.552 INFO [stdout] 4a2450c3684a1f8c083641d6404e084a0e6a248ac53cad7c81314353359bc27a