Nov 30 02:20:34.139 INFO checking green4free/binary_search_tree against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 02:20:34.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 02:20:34.524 INFO [stdout] e8f5ec286d8773474daa67be3c7020506f39b9d6b4f8ce7989ea15b57152aca5
Nov 30 02:20:34.528 INFO running `"docker" "start" "-a" "e8f5ec286d8773474daa67be3c7020506f39b9d6b4f8ce7989ea15b57152aca5"`
Nov 30 02:20:36.216 INFO [stderr] usermod: no changes
Nov 30 02:20:36.297 INFO [stderr]     Checking binary_search_tree v0.1.0 (/source)
Nov 30 02:20:36.824 INFO [stderr] warning: unused variable: `data`
Nov 30 02:20:36.824 INFO [stderr]   --> src/main.rs:39:9
Nov 30 02:20:36.824 INFO [stderr]    |
Nov 30 02:20:36.824 INFO [stderr] 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
Nov 30 02:20:36.824 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Nov 30 02:20:36.824 INFO [stderr]    |
Nov 30 02:20:36.824 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:20:36.824 INFO [stderr] 
Nov 30 02:20:36.824 INFO [stderr] warning: unused variable: `data`
Nov 30 02:20:36.824 INFO [stderr]   --> src/main.rs:46:9
Nov 30 02:20:36.824 INFO [stderr]    |
Nov 30 02:20:36.824 INFO [stderr] 46 |             Cons(data, ref left, ref right) => {
Nov 30 02:20:36.824 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Nov 30 02:20:36.824 INFO [stderr] 
Nov 30 02:20:37.026 INFO [stderr] warning: unused variable: `data`
Nov 30 02:20:37.026 INFO [stderr]   --> src/main.rs:39:9
Nov 30 02:20:37.026 INFO [stderr]    |
Nov 30 02:20:37.027 INFO [stderr] 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
Nov 30 02:20:37.027 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Nov 30 02:20:37.027 INFO [stderr]    |
Nov 30 02:20:37.027 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:20:37.027 INFO [stderr] 
Nov 30 02:20:37.028 INFO [stderr] warning: unused variable: `data`
Nov 30 02:20:37.028 INFO [stderr]   --> src/main.rs:46:9
Nov 30 02:20:37.028 INFO [stderr]    |
Nov 30 02:20:37.028 INFO [stderr] 46 |             Cons(data, ref left, ref right) => {
Nov 30 02:20:37.028 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Nov 30 02:20:37.028 INFO [stderr] 
Nov 30 02:20:37.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Nov 30 02:20:37.085 INFO [stderr] su: No module specific data is present
Nov 30 02:20:38.148 INFO running `"docker" "inspect" "e8f5ec286d8773474daa67be3c7020506f39b9d6b4f8ce7989ea15b57152aca5"`
Nov 30 02:20:38.504 INFO running `"docker" "rm" "-f" "e8f5ec286d8773474daa67be3c7020506f39b9d6b4f8ce7989ea15b57152aca5"`
Nov 30 02:20:38.884 INFO [stdout] e8f5ec286d8773474daa67be3c7020506f39b9d6b4f8ce7989ea15b57152aca5