Oct 12 21:01:27.321 INFO checking green4free/binary_search_tree against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:01:27.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 21:01:27.920 INFO blam! 4772c1557bd5e35e8394baf68d4f85ee7a8d79a10ca34c312e206ee1eb8acf84
Oct 12 21:01:27.922 INFO running `"docker" "start" "-a" "4772c1557bd5e35e8394baf68d4f85ee7a8d79a10ca34c312e206ee1eb8acf84"`
Oct 12 21:01:29.424 INFO kablam! usermod: no changes
Oct 12 21:01:29.484 INFO kablam!     Checking binary_search_tree v0.1.0 (/source)
Oct 12 21:01:30.027 INFO kablam! warning: unused variable: `data`
Oct 12 21:01:30.027 INFO kablam!   --> src/main.rs:39:9
Oct 12 21:01:30.027 INFO kablam!    |
Oct 12 21:01:30.027 INFO kablam! 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
Oct 12 21:01:30.027 INFO kablam!    |                  ^^^^ help: consider using `_data` instead
Oct 12 21:01:30.028 INFO kablam!    |
Oct 12 21:01:30.028 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:01:30.028 INFO kablam! 
Oct 12 21:01:30.028 INFO kablam! warning: unused variable: `data`
Oct 12 21:01:30.029 INFO kablam!   --> src/main.rs:46:9
Oct 12 21:01:30.029 INFO kablam!    |
Oct 12 21:01:30.029 INFO kablam! 46 |             Cons(data, ref left, ref right) => {
Oct 12 21:01:30.029 INFO kablam!    |                  ^^^^ help: consider using `_data` instead
Oct 12 21:01:30.029 INFO kablam! 
Oct 12 21:01:30.257 INFO kablam! warning: unused variable: `data`
Oct 12 21:01:30.257 INFO kablam!   --> src/main.rs:39:9
Oct 12 21:01:30.257 INFO kablam!    |
Oct 12 21:01:30.258 INFO kablam! 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
Oct 12 21:01:30.258 INFO kablam!    |                  ^^^^ help: consider using `_data` instead
Oct 12 21:01:30.258 INFO kablam!    |
Oct 12 21:01:30.258 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:01:30.259 INFO kablam! 
Oct 12 21:01:30.259 INFO kablam! warning: unused variable: `data`
Oct 12 21:01:30.259 INFO kablam!   --> src/main.rs:46:9
Oct 12 21:01:30.259 INFO kablam!    |
Oct 12 21:01:30.260 INFO kablam! 46 |             Cons(data, ref left, ref right) => {
Oct 12 21:01:30.260 INFO kablam!    |                  ^^^^ help: consider using `_data` instead
Oct 12 21:01:30.260 INFO kablam! 
Oct 12 21:01:30.324 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Oct 12 21:01:30.324 INFO kablam! su: No module specific data is present
Oct 12 21:01:31.200 INFO running `"docker" "rm" "-f" "4772c1557bd5e35e8394baf68d4f85ee7a8d79a10ca34c312e206ee1eb8acf84"`
Oct 12 21:01:31.464 INFO blam! 4772c1557bd5e35e8394baf68d4f85ee7a8d79a10ca34c312e206ee1eb8acf84