Dec 19 22:27:01.746 INFO checking Parfyonator/merkle_tree against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:27:01.747 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Parfyonator/merkle_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 22:27:01.957 INFO [stdout] ebeb16f5b67766a0d73f74453ee528d451c7d730e060f03bc8247d3da95b10ea
Dec 19 22:27:01.960 INFO running `"docker" "start" "-a" "ebeb16f5b67766a0d73f74453ee528d451c7d730e060f03bc8247d3da95b10ea"`
Dec 19 22:27:02.968 INFO [stderr]     Checking merkle_tree v0.1.0 (/opt/crater/workdir)
Dec 19 22:27:03.288 INFO [stderr] warning: method is never used: `add_child`
Dec 19 22:27:03.288 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 19 22:27:03.288 INFO [stderr]    |
Dec 19 22:27:03.288 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 19 22:27:03.288 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:27:03.288 INFO [stderr]    |
Dec 19 22:27:03.288 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:27:03.288 INFO [stderr] 
Dec 19 22:27:03.288 INFO [stderr] warning: method is never used: `has_children`
Dec 19 22:27:03.288 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 19 22:27:03.288 INFO [stderr]    |
Dec 19 22:27:03.288 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 19 22:27:03.288 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:27:03.288 INFO [stderr] 
Dec 19 22:27:03.310 INFO [stderr] warning: method is never used: `add_child`
Dec 19 22:27:03.310 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 19 22:27:03.310 INFO [stderr]    |
Dec 19 22:27:03.310 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 19 22:27:03.310 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:27:03.310 INFO [stderr]    |
Dec 19 22:27:03.310 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:27:03.310 INFO [stderr] 
Dec 19 22:27:03.310 INFO [stderr] warning: method is never used: `has_children`
Dec 19 22:27:03.310 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 19 22:27:03.310 INFO [stderr]    |
Dec 19 22:27:03.310 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 19 22:27:03.310 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:27:03.310 INFO [stderr] 
Dec 19 22:27:03.343 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 19 22:27:03.846 INFO running `"docker" "inspect" "ebeb16f5b67766a0d73f74453ee528d451c7d730e060f03bc8247d3da95b10ea"`
Dec 19 22:27:04.086 INFO running `"docker" "rm" "-f" "ebeb16f5b67766a0d73f74453ee528d451c7d730e060f03bc8247d3da95b10ea"`
Dec 19 22:27:04.432 INFO [stdout] ebeb16f5b67766a0d73f74453ee528d451c7d730e060f03bc8247d3da95b10ea