Dec 14 07:03:07.391 INFO testing Parfyonator/merkle_tree against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:03:07.391 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 07:03:07.745 INFO [stdout] 79767bb5a170793e3916ac4b39d53076724e3b17cde173237b59a7b9202c2fe7
Dec 14 07:03:07.745 INFO running `"docker" "start" "-a" "79767bb5a170793e3916ac4b39d53076724e3b17cde173237b59a7b9202c2fe7"`
Dec 14 07:03:08.151 INFO [stderr] usermod: no changes
Dec 14 07:03:08.254 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 14 07:03:16.362 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Dec 14 07:03:17.031 INFO [stderr] warning: method is never used: `add_child`
Dec 14 07:03:17.031 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 14 07:03:17.031 INFO [stderr]    |
Dec 14 07:03:17.031 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 14 07:03:17.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:17.031 INFO [stderr]    |
Dec 14 07:03:17.031 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:03:17.031 INFO [stderr] 
Dec 14 07:03:17.031 INFO [stderr] warning: method is never used: `has_children`
Dec 14 07:03:17.031 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 14 07:03:17.031 INFO [stderr]    |
Dec 14 07:03:17.031 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 14 07:03:17.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:17.031 INFO [stderr] 
Dec 14 07:03:17.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
Dec 14 07:03:17.636 INFO [stderr] su: No module specific data is present
Dec 14 07:03:18.051 INFO running `"docker" "inspect" "79767bb5a170793e3916ac4b39d53076724e3b17cde173237b59a7b9202c2fe7"`
Dec 14 07:03:18.214 INFO running `"docker" "rm" "-f" "79767bb5a170793e3916ac4b39d53076724e3b17cde173237b59a7b9202c2fe7"`
Dec 14 07:03:18.467 INFO [stdout] 79767bb5a170793e3916ac4b39d53076724e3b17cde173237b59a7b9202c2fe7
Dec 14 07:03:18.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 07:03:18.931 INFO [stdout] 7f5c05055c0f6d44697c9d2d75ace60de6bd441390e9eaf590636bcab3550184
Dec 14 07:03:18.939 INFO running `"docker" "start" "-a" "7f5c05055c0f6d44697c9d2d75ace60de6bd441390e9eaf590636bcab3550184"`
Dec 14 07:03:20.046 INFO [stderr] usermod: no changes
Dec 14 07:03:20.165 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Dec 14 07:03:21.003 INFO [stderr] warning: method is never used: `add_child`
Dec 14 07:03:21.003 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 14 07:03:21.003 INFO [stderr]    |
Dec 14 07:03:21.003 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 14 07:03:21.003 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:21.003 INFO [stderr]    |
Dec 14 07:03:21.003 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:03:21.003 INFO [stderr] 
Dec 14 07:03:21.003 INFO [stderr] warning: method is never used: `has_children`
Dec 14 07:03:21.003 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 14 07:03:21.003 INFO [stderr]    |
Dec 14 07:03:21.003 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 14 07:03:21.003 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:21.003 INFO [stderr] 
Dec 14 07:03:21.291 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Dec 14 07:03:21.291 INFO [stderr] su: No module specific data is present
Dec 14 07:03:21.653 INFO running `"docker" "inspect" "7f5c05055c0f6d44697c9d2d75ace60de6bd441390e9eaf590636bcab3550184"`
Dec 14 07:03:21.845 INFO running `"docker" "rm" "-f" "7f5c05055c0f6d44697c9d2d75ace60de6bd441390e9eaf590636bcab3550184"`
Dec 14 07:03:21.976 INFO [stdout] 7f5c05055c0f6d44697c9d2d75ace60de6bd441390e9eaf590636bcab3550184
Dec 14 07:03:21.980 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 07:03:22.237 INFO [stdout] be59eb9cbda707ba1fe2d6110335b30a2ee60164c4dbd7ead1081d3a1c9222d5
Dec 14 07:03:22.240 INFO running `"docker" "start" "-a" "be59eb9cbda707ba1fe2d6110335b30a2ee60164c4dbd7ead1081d3a1c9222d5"`
Dec 14 07:03:22.726 INFO [stderr] usermod: no changes
Dec 14 07:03:22.804 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 07:03:22.816 INFO [stderr]      Running /target/debug/deps/merkle_tree-b6e28622fd530be5
Dec 14 07:03:22.820 INFO [stdout] 
Dec 14 07:03:22.820 INFO [stdout] running 0 tests
Dec 14 07:03:22.820 INFO [stdout] 
Dec 14 07:03:22.820 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:03:22.820 INFO [stdout] 
Dec 14 07:03:22.868 INFO [stderr] su: No module specific data is present
Dec 14 07:03:23.173 INFO running `"docker" "inspect" "be59eb9cbda707ba1fe2d6110335b30a2ee60164c4dbd7ead1081d3a1c9222d5"`
Dec 14 07:03:23.274 INFO running `"docker" "rm" "-f" "be59eb9cbda707ba1fe2d6110335b30a2ee60164c4dbd7ead1081d3a1c9222d5"`
Dec 14 07:03:23.360 INFO [stdout] be59eb9cbda707ba1fe2d6110335b30a2ee60164c4dbd7ead1081d3a1c9222d5