Oct 22 03:11:45.475 INFO checking fn_block-0.2.1 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 22 03:11:45.477 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-3/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 22 03:11:45.708 INFO blam! 819c6ed5a62b36778aef900190a0cc08d9a0852e36f642760d6fba6a9f55550e
Oct 22 03:11:45.712 INFO running `"docker" "start" "-a" "819c6ed5a62b36778aef900190a0cc08d9a0852e36f642760d6fba6a9f55550e"`
Oct 22 03:11:46.240 INFO kablam! usermod: no changes
Oct 22 03:11:46.361 INFO kablam!     Checking fn_block v0.2.1 (/source)
Oct 22 03:11:51.256 INFO kablam! warning: unused variable: `s`
Oct 22 03:11:51.256 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Oct 22 03:11:51.256 INFO kablam!    |
Oct 22 03:11:51.256 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Oct 22 03:11:51.256 INFO kablam!    |         ^ help: consider using `_s` instead
Oct 22 03:11:51.256 INFO kablam!    |
Oct 22 03:11:51.256 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 22 03:11:51.256 INFO kablam! 
Oct 22 03:11:51.256 INFO kablam! warning: unused variable: `s`
Oct 22 03:11:51.256 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Oct 22 03:11:51.256 INFO kablam!    |
Oct 22 03:11:51.256 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Oct 22 03:11:51.256 INFO kablam!    |         ^ help: consider using `_s` instead
Oct 22 03:11:51.256 INFO kablam! 
Oct 22 03:11:51.256 INFO kablam! warning: unused variable: `s`
Oct 22 03:11:51.256 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Oct 22 03:11:51.256 INFO kablam!    |
Oct 22 03:11:51.256 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Oct 22 03:11:51.256 INFO kablam!    |         ^ help: consider using `_s` instead
Oct 22 03:11:51.256 INFO kablam! 
Oct 22 03:11:51.265 INFO kablam! warning: unused attribute
Oct 22 03:11:51.265 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Oct 22 03:11:51.265 INFO kablam!   |
Oct 22 03:11:51.265 INFO kablam! 5 | #[macro_use]
Oct 22 03:11:51.265 INFO kablam!   | ^^^^^^^^^^^^
Oct 22 03:11:51.265 INFO kablam!   |
Oct 22 03:11:51.265 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Oct 22 03:11:51.265 INFO kablam! 
Oct 22 03:11:51.289 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
Oct 22 03:11:51.298 INFO kablam! su: No module specific data is present
Oct 22 03:11:51.638 INFO running `"docker" "rm" "-f" "819c6ed5a62b36778aef900190a0cc08d9a0852e36f642760d6fba6a9f55550e"`
Oct 22 03:11:51.811 INFO blam! 819c6ed5a62b36778aef900190a0cc08d9a0852e36f642760d6fba6a9f55550e