Nov 30 19:33:22.478 INFO checking merkle-generator-0.2.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:33:22.478 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 19:33:22.687 INFO [stdout] 74219ed1de03ac3662a5c420342e332fd9e834ec8629f43dad8b5adcf71608b1
Nov 30 19:33:22.690 INFO running `"docker" "start" "-a" "74219ed1de03ac3662a5c420342e332fd9e834ec8629f43dad8b5adcf71608b1"`
Nov 30 19:33:23.648 INFO [stderr] usermod: no changes
Nov 30 19:33:23.729 INFO [stderr]     Checking flat-tree v1.1.0
Nov 30 19:33:24.170 INFO [stderr]     Checking merkle-generator v0.2.0 (/source)
Nov 30 19:33:25.152 INFO [stderr] warning: unused variable: `roots`
Nov 30 19:33:25.152 INFO [stderr]    --> src/lib.rs:142:26
Nov 30 19:33:25.152 INFO [stderr]     |
Nov 30 19:33:25.152 INFO [stderr] 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Nov 30 19:33:25.152 INFO [stderr]     |                          ^^^^^ help: consider using `_roots` instead
Nov 30 19:33:25.152 INFO [stderr]     |
Nov 30 19:33:25.152 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 19:33:25.152 INFO [stderr] 
Nov 30 19:33:25.196 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Nov 30 19:33:25.199 INFO [stderr] su: No module specific data is present
Nov 30 19:33:26.124 INFO running `"docker" "inspect" "74219ed1de03ac3662a5c420342e332fd9e834ec8629f43dad8b5adcf71608b1"`
Nov 30 19:33:26.432 INFO running `"docker" "rm" "-f" "74219ed1de03ac3662a5c420342e332fd9e834ec8629f43dad8b5adcf71608b1"`
Nov 30 19:33:26.792 INFO [stdout] 74219ed1de03ac3662a5c420342e332fd9e834ec8629f43dad8b5adcf71608b1