Nov 28 11:42:43.333 INFO checking Parfyonator/merkle_tree against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:42:43.333 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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 28 11:42:43.693 INFO [stdout] 7ce80c69497c50a4dc4231f3abcf8d5ff14d6e0361e4dfb1d2a5b6a0a333007a
Nov 28 11:42:43.695 INFO running `"docker" "start" "-a" "7ce80c69497c50a4dc4231f3abcf8d5ff14d6e0361e4dfb1d2a5b6a0a333007a"`
Nov 28 11:42:44.271 INFO [stderr] usermod: no changes
Nov 28 11:42:44.452 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 28 11:42:44.453 INFO [stderr]     Checking hyper v0.10.5
Nov 28 11:42:53.163 INFO [stderr]     Checking merkle_tree v0.1.0 (/source)
Nov 28 11:42:53.892 INFO [stderr] warning: method is never used: `add_child`
Nov 28 11:42:53.892 INFO [stderr]   --> src/merkle_tree.rs:60:5
Nov 28 11:42:53.892 INFO [stderr]    |
Nov 28 11:42:53.892 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Nov 28 11:42:53.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:42:53.892 INFO [stderr]    |
Nov 28 11:42:53.892 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:42:53.892 INFO [stderr] 
Nov 28 11:42:53.892 INFO [stderr] warning: method is never used: `has_children`
Nov 28 11:42:53.892 INFO [stderr]   --> src/merkle_tree.rs:74:5
Nov 28 11:42:53.892 INFO [stderr]    |
Nov 28 11:42:53.892 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Nov 28 11:42:53.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:42:53.892 INFO [stderr] 
Nov 28 11:42:54.217 INFO [stderr] warning: method is never used: `add_child`
Nov 28 11:42:54.217 INFO [stderr]   --> src/merkle_tree.rs:60:5
Nov 28 11:42:54.217 INFO [stderr]    |
Nov 28 11:42:54.217 INFO [stderr] 60 |     fn add_child(&mut self, new_val: String) -> bool {
Nov 28 11:42:54.218 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:42:54.218 INFO [stderr]    |
Nov 28 11:42:54.218 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:42:54.218 INFO [stderr] 
Nov 28 11:42:54.219 INFO [stderr] warning: method is never used: `has_children`
Nov 28 11:42:54.219 INFO [stderr]   --> src/merkle_tree.rs:74:5
Nov 28 11:42:54.219 INFO [stderr]    |
Nov 28 11:42:54.219 INFO [stderr] 74 |     fn has_children(&self) -> bool {
Nov 28 11:42:54.220 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:42:54.220 INFO [stderr] 
Nov 28 11:42:54.252 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
Nov 28 11:42:54.256 INFO [stderr] su: No module specific data is present
Nov 28 11:42:54.888 INFO running `"docker" "inspect" "7ce80c69497c50a4dc4231f3abcf8d5ff14d6e0361e4dfb1d2a5b6a0a333007a"`
Nov 28 11:42:55.178 INFO running `"docker" "rm" "-f" "7ce80c69497c50a4dc4231f3abcf8d5ff14d6e0361e4dfb1d2a5b6a0a333007a"`
Nov 28 11:42:55.476 INFO [stdout] 7ce80c69497c50a4dc4231f3abcf8d5ff14d6e0361e4dfb1d2a5b6a0a333007a