Sep 05 19:49:13.820 INFO checking RCasatta/authenticated_tree against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 19:49:13.820 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 19:49:13.820 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 19:49:14.235 INFO blam! 5fd294767563268737c7e1472804997473dfee1ebaa5b079d83f3126e5dc948d
Sep 05 19:49:14.236 INFO running `"docker" "start" "-a" "5fd294767563268737c7e1472804997473dfee1ebaa5b079d83f3126e5dc948d"`
Sep 05 19:49:15.525 INFO kablam! usermod: no changes
Sep 05 19:49:15.643 INFO kablam!     Checking integer-encoding v1.0.5
Sep 05 19:49:15.650 INFO kablam!     Checking rand v0.5.2
Sep 05 19:49:18.578 INFO kablam!     Checking authenticated_tree v0.1.0 (file:///source)
Sep 05 19:49:19.273 INFO kablam! warning: method is never used: `update`
Sep 05 19:49:19.273 INFO kablam!   --> src/main.rs:54:5
Sep 05 19:49:19.273 INFO kablam!    |
Sep 05 19:49:19.274 INFO kablam! 54 |     fn update(&mut self) {
Sep 05 19:49:19.274 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 05 19:49:19.274 INFO kablam!    |
Sep 05 19:49:19.274 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 05 19:49:19.274 INFO kablam! 
Sep 05 19:49:19.281 INFO kablam! warning: method is never used: `hash`
Sep 05 19:49:19.281 INFO kablam!    --> src/main.rs:238:5
Sep 05 19:49:19.281 INFO kablam!     |
Sep 05 19:49:19.281 INFO kablam! 238 |     pub fn hash(&self) -> Sha256Hash {
Sep 05 19:49:19.282 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 19:49:19.282 INFO kablam! 
Sep 05 19:49:19.321 INFO kablam! warning: method is never used: `update`
Sep 05 19:49:19.321 INFO kablam!   --> src/main.rs:54:5
Sep 05 19:49:19.321 INFO kablam!    |
Sep 05 19:49:19.321 INFO kablam! 54 |     fn update(&mut self) {
Sep 05 19:49:19.322 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 05 19:49:19.330 INFO kablam!    |
Sep 05 19:49:19.330 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 05 19:49:19.330 INFO kablam! 
Sep 05 19:49:19.330 INFO kablam! warning: method is never used: `hash`
Sep 05 19:49:19.330 INFO kablam!    --> src/main.rs:238:5
Sep 05 19:49:19.330 INFO kablam!     |
Sep 05 19:49:19.330 INFO kablam! 238 |     pub fn hash(&self) -> Sha256Hash {
Sep 05 19:49:19.330 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 19:49:19.330 INFO kablam! 
Sep 05 19:49:19.369 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
Sep 05 19:49:19.373 INFO kablam! su: No module specific data is present
Sep 05 19:49:20.448 INFO running `"docker" "rm" "-f" "5fd294767563268737c7e1472804997473dfee1ebaa5b079d83f3126e5dc948d"`
Sep 05 19:49:20.747 INFO blam! 5fd294767563268737c7e1472804997473dfee1ebaa5b079d83f3126e5dc948d