Dec 12 00:58:23.239 INFO checking Parfyonator/merkle_tree against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:58:23.239 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 00:58:23.517 INFO [stdout] e163005e69e40645aa4c8d2a51fb262c059596efecb77ab21fe72319e2a47052
Dec 12 00:58:23.522 INFO running `"docker" "start" "-a" "e163005e69e40645aa4c8d2a51fb262c059596efecb77ab21fe72319e2a47052"`
Dec 12 00:58:24.053 INFO [stderr] usermod: no changes
Dec 12 00:58:24.161 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 12 00:58:30.064 INFO [stderr]     Checking merkle_tree v0.1.0 (/source)
Dec 12 00:58:30.848 INFO [stderr] warning: method is never used: `add_child`
Dec 12 00:58:30.848 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 12 00:58:30.848 INFO [stderr]    |
Dec 12 00:58:30.848 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 12 00:58:30.848 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:58:30.848 INFO [stderr]    |
Dec 12 00:58:30.848 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:58:30.848 INFO [stderr] 
Dec 12 00:58:30.848 INFO [stderr] warning: method is never used: `has_children`
Dec 12 00:58:30.848 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 12 00:58:30.848 INFO [stderr]    |
Dec 12 00:58:30.848 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 12 00:58:30.848 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:58:30.848 INFO [stderr] 
Dec 12 00:58:31.032 INFO [stderr] warning: method is never used: `add_child`
Dec 12 00:58:31.032 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 12 00:58:31.032 INFO [stderr]    |
Dec 12 00:58:31.032 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 12 00:58:31.032 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:58:31.032 INFO [stderr]    |
Dec 12 00:58:31.032 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:58:31.032 INFO [stderr] 
Dec 12 00:58:31.032 INFO [stderr] warning: method is never used: `has_children`
Dec 12 00:58:31.032 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 12 00:58:31.032 INFO [stderr]    |
Dec 12 00:58:31.032 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 12 00:58:31.032 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:58:31.032 INFO [stderr] 
Dec 12 00:58:31.045 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
Dec 12 00:58:31.052 INFO [stderr] su: No module specific data is present
Dec 12 00:58:32.092 INFO running `"docker" "inspect" "e163005e69e40645aa4c8d2a51fb262c059596efecb77ab21fe72319e2a47052"`
Dec 12 00:58:32.405 INFO running `"docker" "rm" "-f" "e163005e69e40645aa4c8d2a51fb262c059596efecb77ab21fe72319e2a47052"`
Dec 12 00:58:32.656 INFO [stdout] e163005e69e40645aa4c8d2a51fb262c059596efecb77ab21fe72319e2a47052