Dec 18 05:47:32.483 INFO checking RCasatta/authenticated_tree against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:47:32.483 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/RCasatta/authenticated_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:47:32.977 INFO [stdout] 397a07f8b0a0d7704aaf61c415bfb8f64b62b88bff8c40d73e30f1e4ac81d35f
Dec 18 05:47:32.979 INFO running `"docker" "start" "-a" "397a07f8b0a0d7704aaf61c415bfb8f64b62b88bff8c40d73e30f1e4ac81d35f"`
Dec 18 05:47:35.043 INFO [stderr]     Checking authenticated_tree v0.1.0 (/opt/crater/workdir)
Dec 18 05:47:35.628 INFO [stderr] warning: method is never used: `update`
Dec 18 05:47:35.628 INFO [stderr]   --> src/main.rs:54:5
Dec 18 05:47:35.628 INFO [stderr]    |
Dec 18 05:47:35.628 INFO [stderr] 54 |     fn update(&mut self) {
Dec 18 05:47:35.628 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 05:47:35.628 INFO [stderr]    |
Dec 18 05:47:35.628 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 05:47:35.628 INFO [stderr] 
Dec 18 05:47:35.628 INFO [stderr] warning: method is never used: `hash`
Dec 18 05:47:35.628 INFO [stderr]    --> src/main.rs:238:5
Dec 18 05:47:35.628 INFO [stderr]     |
Dec 18 05:47:35.628 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Dec 18 05:47:35.628 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:47:35.628 INFO [stderr] 
Dec 18 05:47:35.859 INFO [stderr] warning: method is never used: `update`
Dec 18 05:47:35.859 INFO [stderr]   --> src/main.rs:54:5
Dec 18 05:47:35.859 INFO [stderr]    |
Dec 18 05:47:35.859 INFO [stderr] 54 |     fn update(&mut self) {
Dec 18 05:47:35.859 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 05:47:35.859 INFO [stderr]    |
Dec 18 05:47:35.859 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 05:47:35.859 INFO [stderr] 
Dec 18 05:47:35.859 INFO [stderr] warning: method is never used: `hash`
Dec 18 05:47:35.859 INFO [stderr]    --> src/main.rs:238:5
Dec 18 05:47:35.859 INFO [stderr]     |
Dec 18 05:47:35.859 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Dec 18 05:47:35.859 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:47:35.859 INFO [stderr] 
Dec 18 05:47:35.933 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 18 05:47:37.264 INFO running `"docker" "inspect" "397a07f8b0a0d7704aaf61c415bfb8f64b62b88bff8c40d73e30f1e4ac81d35f"`
Dec 18 05:47:37.616 INFO running `"docker" "rm" "-f" "397a07f8b0a0d7704aaf61c415bfb8f64b62b88bff8c40d73e30f1e4ac81d35f"`
Dec 18 05:47:37.960 INFO [stdout] 397a07f8b0a0d7704aaf61c415bfb8f64b62b88bff8c40d73e30f1e4ac81d35f