Nov 30 09:13:44.871 INFO checking Parfyonator/merkle_tree against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 09:13:44.871 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 09:13:45.163 INFO [stdout] 1cd47c1d885f058b416e8a84dce68aa0ab13cb071aa0d323f8655c48edaa9df9
Nov 30 09:13:45.166 INFO running `"docker" "start" "-a" "1cd47c1d885f058b416e8a84dce68aa0ab13cb071aa0d323f8655c48edaa9df9"`
Nov 30 09:13:46.057 INFO [stderr] usermod: no changes
Nov 30 09:13:46.161 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 30 09:13:46.177 INFO [stderr]     Checking hyper v0.10.5
Nov 30 09:13:54.713 INFO [stderr]     Checking merkle_tree v0.1.0 (/source)
Nov 30 09:13:55.348 INFO [stderr] warning: method is never used: `add_child`
Nov 30 09:13:55.348 INFO [stderr]   --> src/merkle_tree.rs:60:5
Nov 30 09:13:55.348 INFO [stderr]    |
Nov 30 09:13:55.348 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Nov 30 09:13:55.348 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:13:55.348 INFO [stderr]    |
Nov 30 09:13:55.348 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 09:13:55.348 INFO [stderr] 
Nov 30 09:13:55.348 INFO [stderr] warning: method is never used: `has_children`
Nov 30 09:13:55.348 INFO [stderr]   --> src/merkle_tree.rs:74:5
Nov 30 09:13:55.348 INFO [stderr]    |
Nov 30 09:13:55.348 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Nov 30 09:13:55.348 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:13:55.348 INFO [stderr] 
Nov 30 09:13:55.576 INFO [stderr] warning: method is never used: `add_child`
Nov 30 09:13:55.576 INFO [stderr]   --> src/merkle_tree.rs:60:5
Nov 30 09:13:55.576 INFO [stderr]    |
Nov 30 09:13:55.576 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Nov 30 09:13:55.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:13:55.576 INFO [stderr]    |
Nov 30 09:13:55.576 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 09:13:55.576 INFO [stderr] 
Nov 30 09:13:55.576 INFO [stderr] warning: method is never used: `has_children`
Nov 30 09:13:55.576 INFO [stderr]   --> src/merkle_tree.rs:74:5
Nov 30 09:13:55.576 INFO [stderr]    |
Nov 30 09:13:55.576 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Nov 30 09:13:55.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:13:55.576 INFO [stderr] 
Nov 30 09:13:55.600 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
Nov 30 09:13:55.612 INFO [stderr] su: No module specific data is present
Nov 30 09:13:56.229 INFO running `"docker" "inspect" "1cd47c1d885f058b416e8a84dce68aa0ab13cb071aa0d323f8655c48edaa9df9"`
Nov 30 09:13:56.548 INFO running `"docker" "rm" "-f" "1cd47c1d885f058b416e8a84dce68aa0ab13cb071aa0d323f8655c48edaa9df9"`
Nov 30 09:13:56.840 INFO [stdout] 1cd47c1d885f058b416e8a84dce68aa0ab13cb071aa0d323f8655c48edaa9df9