Dec 19 22:13:26.539 INFO checking RCasatta/authenticated_tree against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:13:26.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:13:27.106 INFO [stdout] 0696884363d87b731d05437ccd656dc69e4fe70372208b7aaabf1d453725a41a
Dec 19 22:13:27.106 INFO running `"docker" "start" "-a" "0696884363d87b731d05437ccd656dc69e4fe70372208b7aaabf1d453725a41a"`
Dec 19 22:13:28.652 INFO [stderr]     Checking authenticated_tree v0.1.0 (/opt/crater/workdir)
Dec 19 22:13:29.361 INFO [stderr] warning: method is never used: `update`
Dec 19 22:13:29.361 INFO [stderr]   --> src/main.rs:54:5
Dec 19 22:13:29.361 INFO [stderr]    |
Dec 19 22:13:29.361 INFO [stderr] 54 |     fn update(&mut self) {
Dec 19 22:13:29.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:13:29.361 INFO [stderr]    |
Dec 19 22:13:29.361 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:13:29.361 INFO [stderr] 
Dec 19 22:13:29.361 INFO [stderr] warning: method is never used: `hash`
Dec 19 22:13:29.361 INFO [stderr]    --> src/main.rs:238:5
Dec 19 22:13:29.361 INFO [stderr]     |
Dec 19 22:13:29.361 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Dec 19 22:13:29.361 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:13:29.361 INFO [stderr] 
Dec 19 22:13:29.536 INFO [stderr] warning: method is never used: `update`
Dec 19 22:13:29.536 INFO [stderr]   --> src/main.rs:54:5
Dec 19 22:13:29.536 INFO [stderr]    |
Dec 19 22:13:29.536 INFO [stderr] 54 |     fn update(&mut self) {
Dec 19 22:13:29.536 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 22:13:29.536 INFO [stderr]    |
Dec 19 22:13:29.536 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:13:29.536 INFO [stderr] 
Dec 19 22:13:29.536 INFO [stderr] warning: method is never used: `hash`
Dec 19 22:13:29.536 INFO [stderr]    --> src/main.rs:238:5
Dec 19 22:13:29.536 INFO [stderr]     |
Dec 19 22:13:29.536 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Dec 19 22:13:29.536 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:13:29.536 INFO [stderr] 
Dec 19 22:13:29.566 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 19 22:13:30.309 INFO running `"docker" "inspect" "0696884363d87b731d05437ccd656dc69e4fe70372208b7aaabf1d453725a41a"`
Dec 19 22:13:30.625 INFO running `"docker" "rm" "-f" "0696884363d87b731d05437ccd656dc69e4fe70372208b7aaabf1d453725a41a"`
Dec 19 22:13:31.046 INFO [stdout] 0696884363d87b731d05437ccd656dc69e4fe70372208b7aaabf1d453725a41a