Dec 11 23:40:58.111 INFO checking VladYermakov/interpreter against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 23:40:58.111 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 23:40:58.652 INFO [stdout] c57c92fe8de18c398d4cfa35cf08bccbb36a4b1072e87b32067402b72dbfa32f
Dec 11 23:40:58.652 INFO running `"docker" "start" "-a" "c57c92fe8de18c398d4cfa35cf08bccbb36a4b1072e87b32067402b72dbfa32f"`
Dec 11 23:40:59.891 INFO [stderr] usermod: no changes
Dec 11 23:40:59.996 INFO [stderr]     Checking interpreter v0.1.0 (/source)
Dec 11 23:41:01.412 INFO [stderr] warning: method is never used: `node_type`
Dec 11 23:41:01.412 INFO [stderr]    --> src/main.rs:476:5
Dec 11 23:41:01.412 INFO [stderr]     |
Dec 11 23:41:01.412 INFO [stderr] 476 |     fn node_type(&self) -> String {
Dec 11 23:41:01.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:01.412 INFO [stderr]     |
Dec 11 23:41:01.412 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 23:41:01.412 INFO [stderr] 
Dec 11 23:41:01.412 INFO [stderr] warning: method is never used: `with_text`
Dec 11 23:41:01.412 INFO [stderr]    --> src/main.rs:641:5
Dec 11 23:41:01.412 INFO [stderr]     |
Dec 11 23:41:01.412 INFO [stderr] 641 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
Dec 11 23:41:01.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:01.412 INFO [stderr] 
Dec 11 23:41:01.412 INFO [stderr] warning: method is never used: `with_text`
Dec 11 23:41:01.412 INFO [stderr]     --> src/main.rs:1074:5
Dec 11 23:41:01.412 INFO [stderr]      |
Dec 11 23:41:01.412 INFO [stderr] 1074 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
Dec 11 23:41:01.413 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:01.413 INFO [stderr] 
Dec 11 23:41:01.413 INFO [stderr] warning: method is never used: `inv`
Dec 11 23:41:01.413 INFO [stderr]   --> src/numbers/complex.rs:43:5
Dec 11 23:41:01.413 INFO [stderr]    |
Dec 11 23:41:01.413 INFO [stderr] 43 |     pub fn inv(&self) -> Complex {
Dec 11 23:41:01.413 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:01.413 INFO [stderr] 
Dec 11 23:41:03.128 INFO [stderr] warning: method is never used: `node_type`
Dec 11 23:41:03.128 INFO [stderr]    --> src/main.rs:476:5
Dec 11 23:41:03.128 INFO [stderr]     |
Dec 11 23:41:03.128 INFO [stderr] 476 |     fn node_type(&self) -> String {
Dec 11 23:41:03.128 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:41:03.128 INFO [stderr]     |
Dec 11 23:41:03.128 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 23:41:03.128 INFO [stderr] 
Dec 11 23:41:03.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
Dec 11 23:41:03.240 INFO [stderr] su: No module specific data is present
Dec 11 23:41:03.967 INFO running `"docker" "inspect" "c57c92fe8de18c398d4cfa35cf08bccbb36a4b1072e87b32067402b72dbfa32f"`
Dec 11 23:41:04.186 INFO running `"docker" "rm" "-f" "c57c92fe8de18c398d4cfa35cf08bccbb36a4b1072e87b32067402b72dbfa32f"`
Dec 11 23:41:04.484 INFO [stdout] c57c92fe8de18c398d4cfa35cf08bccbb36a4b1072e87b32067402b72dbfa32f