Nov 29 01:29:54.756 INFO checking fn_block-0.2.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 01:29:54.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 29 01:29:55.091 INFO [stdout] 149875e4844de39cbc405acb715ff3240d913466ba2fda0a153de44a3817d073
Nov 29 01:29:55.093 INFO running `"docker" "start" "-a" "149875e4844de39cbc405acb715ff3240d913466ba2fda0a153de44a3817d073"`
Nov 29 01:29:55.612 INFO [stderr] usermod: no changes
Nov 29 01:29:55.804 INFO [stderr]     Checking fn_block v0.2.1 (/source)
Nov 29 01:30:00.808 INFO [stderr] warning: unused variable: `s`
Nov 29 01:30:00.808 INFO [stderr]   --> benches/fn_block_benchmark.rs:10:9
Nov 29 01:30:00.808 INFO [stderr]    |
Nov 29 01:30:00.808 INFO [stderr] 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Nov 29 01:30:00.808 INFO [stderr]    |         ^ help: consider using `_s` instead
Nov 29 01:30:00.808 INFO [stderr]    |
Nov 29 01:30:00.808 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 01:30:00.808 INFO [stderr] 
Nov 29 01:30:00.808 INFO [stderr] warning: unused variable: `s`
Nov 29 01:30:00.808 INFO [stderr]   --> benches/fn_block_benchmark.rs:14:9
Nov 29 01:30:00.808 INFO [stderr]    |
Nov 29 01:30:00.808 INFO [stderr] 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Nov 29 01:30:00.808 INFO [stderr]    |         ^ help: consider using `_s` instead
Nov 29 01:30:00.808 INFO [stderr] 
Nov 29 01:30:00.808 INFO [stderr] warning: unused variable: `s`
Nov 29 01:30:00.808 INFO [stderr]   --> benches/fn_block_benchmark.rs:18:9
Nov 29 01:30:00.808 INFO [stderr]    |
Nov 29 01:30:00.808 INFO [stderr] 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Nov 29 01:30:00.808 INFO [stderr]    |         ^ help: consider using `_s` instead
Nov 29 01:30:00.808 INFO [stderr] 
Nov 29 01:30:00.816 INFO [stderr] warning: unused attribute
Nov 29 01:30:00.817 INFO [stderr]  --> benches/fn_block_benchmark.rs:5:1
Nov 29 01:30:00.817 INFO [stderr]   |
Nov 29 01:30:00.817 INFO [stderr] 5 | #[macro_use]
Nov 29 01:30:00.817 INFO [stderr]   | ^^^^^^^^^^^^
Nov 29 01:30:00.817 INFO [stderr]   |
Nov 29 01:30:00.817 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Nov 29 01:30:00.817 INFO [stderr] 
Nov 29 01:30:00.844 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
Nov 29 01:30:00.852 INFO [stderr] su: No module specific data is present
Nov 29 01:30:01.223 INFO running `"docker" "inspect" "149875e4844de39cbc405acb715ff3240d913466ba2fda0a153de44a3817d073"`
Nov 29 01:30:01.330 INFO running `"docker" "rm" "-f" "149875e4844de39cbc405acb715ff3240d913466ba2fda0a153de44a3817d073"`
Nov 29 01:30:01.403 INFO [stdout] 149875e4844de39cbc405acb715ff3240d913466ba2fda0a153de44a3817d073