Dec 14 07:03:07.430 INFO testing Parfyonator/merkle_tree against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 07:03:07.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:03:07.828 INFO [stdout] a2a7b37c9c9a765b504073a93e7b20e9f05e323d5e93152c4db22d58af367e91
Dec 14 07:03:07.828 INFO running `"docker" "start" "-a" "a2a7b37c9c9a765b504073a93e7b20e9f05e323d5e93152c4db22d58af367e91"`
Dec 14 07:03:08.254 INFO [stderr] usermod: no changes
Dec 14 07:03:08.337 INFO [stderr]    Compiling hyper v0.10.5
Dec 14 07:03:14.935 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Dec 14 07:03:15.797 INFO [stderr] warning: method is never used: `add_child`
Dec 14 07:03:15.797 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 14 07:03:15.797 INFO [stderr]    |
Dec 14 07:03:15.797 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 14 07:03:15.797 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:15.797 INFO [stderr]    |
Dec 14 07:03:15.797 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:03:15.797 INFO [stderr] 
Dec 14 07:03:15.797 INFO [stderr] warning: method is never used: `has_children`
Dec 14 07:03:15.797 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 14 07:03:15.797 INFO [stderr]    |
Dec 14 07:03:15.797 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 14 07:03:15.797 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:15.797 INFO [stderr] 
Dec 14 07:03:16.672 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
Dec 14 07:03:16.679 INFO [stderr] su: No module specific data is present
Dec 14 07:03:17.085 INFO running `"docker" "inspect" "a2a7b37c9c9a765b504073a93e7b20e9f05e323d5e93152c4db22d58af367e91"`
Dec 14 07:03:17.249 INFO running `"docker" "rm" "-f" "a2a7b37c9c9a765b504073a93e7b20e9f05e323d5e93152c4db22d58af367e91"`
Dec 14 07:03:17.382 INFO [stdout] a2a7b37c9c9a765b504073a93e7b20e9f05e323d5e93152c4db22d58af367e91
Dec 14 07:03:17.388 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:03:17.662 INFO [stdout] d75f8f1f685c13dacf217797e27455a306f2c586bcf7a3964cdcd5e3bd560316
Dec 14 07:03:17.669 INFO running `"docker" "start" "-a" "d75f8f1f685c13dacf217797e27455a306f2c586bcf7a3964cdcd5e3bd560316"`
Dec 14 07:03:18.212 INFO [stderr] usermod: no changes
Dec 14 07:03:18.340 INFO [stderr]    Compiling merkle_tree v0.1.0 (/source)
Dec 14 07:03:19.078 INFO [stderr] warning: method is never used: `add_child`
Dec 14 07:03:19.078 INFO [stderr]   --> src/merkle_tree.rs:60:5
Dec 14 07:03:19.078 INFO [stderr]    |
Dec 14 07:03:19.078 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Dec 14 07:03:19.078 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:19.078 INFO [stderr]    |
Dec 14 07:03:19.078 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:03:19.078 INFO [stderr] 
Dec 14 07:03:19.078 INFO [stderr] warning: method is never used: `has_children`
Dec 14 07:03:19.078 INFO [stderr]   --> src/merkle_tree.rs:74:5
Dec 14 07:03:19.078 INFO [stderr]    |
Dec 14 07:03:19.078 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Dec 14 07:03:19.078 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:03:19.078 INFO [stderr] 
Dec 14 07:03:19.439 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Dec 14 07:03:19.439 INFO [stderr] su: No module specific data is present
Dec 14 07:03:20.102 INFO running `"docker" "inspect" "d75f8f1f685c13dacf217797e27455a306f2c586bcf7a3964cdcd5e3bd560316"`
Dec 14 07:03:20.367 INFO running `"docker" "rm" "-f" "d75f8f1f685c13dacf217797e27455a306f2c586bcf7a3964cdcd5e3bd560316"`
Dec 14 07:03:20.615 INFO [stdout] d75f8f1f685c13dacf217797e27455a306f2c586bcf7a3964cdcd5e3bd560316
Dec 14 07:03:20.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:03:21.051 INFO [stdout] e56ea66b81d2e28e461cd3d97c7331cf30adc8dd07da9f0c68f884e73c651999
Dec 14 07:03:21.053 INFO running `"docker" "start" "-a" "e56ea66b81d2e28e461cd3d97c7331cf30adc8dd07da9f0c68f884e73c651999"`
Dec 14 07:03:21.636 INFO [stderr] usermod: no changes
Dec 14 07:03:21.747 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 14 07:03:21.759 INFO [stderr]      Running /target/debug/deps/merkle_tree-6c424194b04a8aa4
Dec 14 07:03:21.761 INFO [stdout] 
Dec 14 07:03:21.761 INFO [stdout] running 0 tests
Dec 14 07:03:21.761 INFO [stdout] 
Dec 14 07:03:21.761 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:03:21.761 INFO [stdout] 
Dec 14 07:03:21.771 INFO [stderr] su: No module specific data is present
Dec 14 07:03:22.160 INFO running `"docker" "inspect" "e56ea66b81d2e28e461cd3d97c7331cf30adc8dd07da9f0c68f884e73c651999"`
Dec 14 07:03:22.225 INFO running `"docker" "rm" "-f" "e56ea66b81d2e28e461cd3d97c7331cf30adc8dd07da9f0c68f884e73c651999"`
Dec 14 07:03:22.331 INFO [stdout] e56ea66b81d2e28e461cd3d97c7331cf30adc8dd07da9f0c68f884e73c651999