Nov 17 12:45:30.159 INFO testing Parfyonator/merkle_tree against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 12:45:30.159 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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"`
Nov 17 12:45:30.335 INFO [stdout] 6a0881b1517ac98abc8b431f04bf049fe46b234b29f04d1a34ca1bd7a0eb258f
Nov 17 12:45:30.337 INFO running `"docker" "start" "-a" "6a0881b1517ac98abc8b431f04bf049fe46b234b29f04d1a34ca1bd7a0eb258f"`
Nov 17 12:45:30.733 INFO [stderr] usermod: no changes
Nov 17 12:45:30.825 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 17 12:45:39.067 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Nov 17 12:45:39.691 INFO [stderr] warning: method is never used: `add_child`
Nov 17 12:45:39.692 INFO [stderr]   --> src/merkle_tree.rs:60:5
Nov 17 12:45:39.692 INFO [stderr]    |
Nov 17 12:45:39.692 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Nov 17 12:45:39.692 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:45:39.693 INFO [stderr]    |
Nov 17 12:45:39.693 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 12:45:39.693 INFO [stderr] 
Nov 17 12:45:39.693 INFO [stderr] warning: method is never used: `has_children`
Nov 17 12:45:39.694 INFO [stderr]   --> src/merkle_tree.rs:74:5
Nov 17 12:45:39.694 INFO [stderr]    |
Nov 17 12:45:39.694 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Nov 17 12:45:39.694 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:45:39.695 INFO [stderr] 
Nov 17 12:45:40.483 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.73s
Nov 17 12:45:40.495 INFO [stderr] su: No module specific data is present
Nov 17 12:45:41.491 INFO running `"docker" "inspect" "6a0881b1517ac98abc8b431f04bf049fe46b234b29f04d1a34ca1bd7a0eb258f"`
Nov 17 12:45:41.705 INFO running `"docker" "rm" "-f" "6a0881b1517ac98abc8b431f04bf049fe46b234b29f04d1a34ca1bd7a0eb258f"`
Nov 17 12:45:42.075 INFO [stdout] 6a0881b1517ac98abc8b431f04bf049fe46b234b29f04d1a34ca1bd7a0eb258f
Nov 17 12:45:42.082 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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"`
Nov 17 12:45:42.604 INFO [stdout] 748a4a35fde94a030dbda18f126cd30b2fc133bf3e87707b716fe5f3febcbdc7
Nov 17 12:45:42.606 INFO running `"docker" "start" "-a" "748a4a35fde94a030dbda18f126cd30b2fc133bf3e87707b716fe5f3febcbdc7"`
Nov 17 12:45:44.355 INFO [stderr] usermod: no changes
Nov 17 12:45:44.454 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Nov 17 12:45:45.083 INFO [stderr] warning: method is never used: `add_child`
Nov 17 12:45:45.083 INFO [stderr]   --> src/merkle_tree.rs:60:5
Nov 17 12:45:45.083 INFO [stderr]    |
Nov 17 12:45:45.083 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Nov 17 12:45:45.083 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:45:45.083 INFO [stderr]    |
Nov 17 12:45:45.083 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 12:45:45.083 INFO [stderr] 
Nov 17 12:45:45.083 INFO [stderr] warning: method is never used: `has_children`
Nov 17 12:45:45.083 INFO [stderr]   --> src/merkle_tree.rs:74:5
Nov 17 12:45:45.084 INFO [stderr]    |
Nov 17 12:45:45.084 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Nov 17 12:45:45.084 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:45:45.084 INFO [stderr] 
Nov 17 12:45:45.403 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Nov 17 12:45:45.409 INFO [stderr] su: No module specific data is present
Nov 17 12:45:46.195 INFO running `"docker" "inspect" "748a4a35fde94a030dbda18f126cd30b2fc133bf3e87707b716fe5f3febcbdc7"`
Nov 17 12:45:46.409 INFO running `"docker" "rm" "-f" "748a4a35fde94a030dbda18f126cd30b2fc133bf3e87707b716fe5f3febcbdc7"`
Nov 17 12:45:46.763 INFO [stdout] 748a4a35fde94a030dbda18f126cd30b2fc133bf3e87707b716fe5f3febcbdc7
Nov 17 12:45:46.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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"`
Nov 17 12:45:47.219 INFO [stdout] 0d6818dfeb26fbef1fa8d2022846b6e49efb98c5fb1d5b5a8a4a3e5ac39eaad7
Nov 17 12:45:47.222 INFO running `"docker" "start" "-a" "0d6818dfeb26fbef1fa8d2022846b6e49efb98c5fb1d5b5a8a4a3e5ac39eaad7"`
Nov 17 12:45:48.352 INFO [stderr] usermod: no changes
Nov 17 12:45:48.471 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Nov 17 12:45:48.485 INFO [stderr]      Running /target/debug/deps/merkle_tree-ec0adbda2875f1a5
Nov 17 12:45:48.485 INFO [stdout] 
Nov 17 12:45:48.485 INFO [stdout] running 0 tests
Nov 17 12:45:48.485 INFO [stdout] 
Nov 17 12:45:48.485 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:45:48.485 INFO [stdout] 
Nov 17 12:45:48.485 INFO [stderr] su: No module specific data is present
Nov 17 12:45:49.145 INFO running `"docker" "inspect" "0d6818dfeb26fbef1fa8d2022846b6e49efb98c5fb1d5b5a8a4a3e5ac39eaad7"`
Nov 17 12:45:49.441 INFO running `"docker" "rm" "-f" "0d6818dfeb26fbef1fa8d2022846b6e49efb98c5fb1d5b5a8a4a3e5ac39eaad7"`
Nov 17 12:45:49.731 INFO [stdout] 0d6818dfeb26fbef1fa8d2022846b6e49efb98c5fb1d5b5a8a4a3e5ac39eaad7