Dec 12 00:43:12.321 INFO checking RCasatta/authenticated_tree against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:43:12.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 00:43:12.798 INFO [stdout] 40c920b6c2c1ef99476d18abbbcd15901fa77f8ba6490ac0d4f9815208d1a32c
Dec 12 00:43:12.800 INFO running `"docker" "start" "-a" "40c920b6c2c1ef99476d18abbbcd15901fa77f8ba6490ac0d4f9815208d1a32c"`
Dec 12 00:43:14.180 INFO [stderr] usermod: no changes
Dec 12 00:43:14.308 INFO [stderr]     Checking integer-encoding v1.0.5
Dec 12 00:43:14.308 INFO [stderr]     Checking rand v0.5.2
Dec 12 00:43:17.312 INFO [stderr]     Checking authenticated_tree v0.1.0 (/source)
Dec 12 00:43:18.244 INFO [stderr] warning: method is never used: `update`
Dec 12 00:43:18.244 INFO [stderr]   --> src/main.rs:54:5
Dec 12 00:43:18.244 INFO [stderr]    |
Dec 12 00:43:18.244 INFO [stderr] 54 |     fn update(&mut self) {
Dec 12 00:43:18.244 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 00:43:18.244 INFO [stderr]    |
Dec 12 00:43:18.244 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:43:18.244 INFO [stderr] 
Dec 12 00:43:18.244 INFO [stderr] warning: method is never used: `hash`
Dec 12 00:43:18.244 INFO [stderr]    --> src/main.rs:238:5
Dec 12 00:43:18.244 INFO [stderr]     |
Dec 12 00:43:18.244 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Dec 12 00:43:18.244 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:43:18.244 INFO [stderr] 
Dec 12 00:43:18.680 INFO [stderr] warning: method is never used: `update`
Dec 12 00:43:18.680 INFO [stderr]   --> src/main.rs:54:5
Dec 12 00:43:18.680 INFO [stderr]    |
Dec 12 00:43:18.680 INFO [stderr] 54 |     fn update(&mut self) {
Dec 12 00:43:18.680 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 00:43:18.680 INFO [stderr]    |
Dec 12 00:43:18.680 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:43:18.680 INFO [stderr] 
Dec 12 00:43:18.680 INFO [stderr] warning: method is never used: `hash`
Dec 12 00:43:18.680 INFO [stderr]    --> src/main.rs:238:5
Dec 12 00:43:18.680 INFO [stderr]     |
Dec 12 00:43:18.680 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Dec 12 00:43:18.680 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:43:18.680 INFO [stderr] 
Dec 12 00:43:18.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
Dec 12 00:43:18.744 INFO [stderr] su: No module specific data is present
Dec 12 00:43:19.806 INFO running `"docker" "inspect" "40c920b6c2c1ef99476d18abbbcd15901fa77f8ba6490ac0d4f9815208d1a32c"`
Dec 12 00:43:20.130 INFO running `"docker" "rm" "-f" "40c920b6c2c1ef99476d18abbbcd15901fa77f8ba6490ac0d4f9815208d1a32c"`
Dec 12 00:43:20.456 INFO [stdout] 40c920b6c2c1ef99476d18abbbcd15901fa77f8ba6490ac0d4f9815208d1a32c