Dec 19 21:24:22.723 INFO checking VladYermakov/interpreter against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:24:22.723 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/VladYermakov/interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:24:23.290 INFO [stdout] cb9eb19bfa6c158fd957f5f0d29385a494b797f27468b1d1f18955bd07774e19
Dec 19 21:24:23.298 INFO running `"docker" "start" "-a" "cb9eb19bfa6c158fd957f5f0d29385a494b797f27468b1d1f18955bd07774e19"`
Dec 19 21:24:24.150 INFO [stderr]     Checking interpreter v0.1.0 (/opt/crater/workdir)
Dec 19 21:24:24.952 INFO [stderr] warning: method is never used: `node_type`
Dec 19 21:24:24.952 INFO [stderr]    --> src/main.rs:476:5
Dec 19 21:24:24.952 INFO [stderr]     |
Dec 19 21:24:24.952 INFO [stderr] 476 |     fn node_type(&self) -> String {
Dec 19 21:24:24.952 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:24:24.952 INFO [stderr]     |
Dec 19 21:24:24.952 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 21:24:24.952 INFO [stderr] 
Dec 19 21:24:24.952 INFO [stderr] warning: method is never used: `with_text`
Dec 19 21:24:24.952 INFO [stderr]    --> src/main.rs:641:5
Dec 19 21:24:24.952 INFO [stderr]     |
Dec 19 21:24:24.952 INFO [stderr] 641 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
Dec 19 21:24:24.952 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:24:24.952 INFO [stderr] 
Dec 19 21:24:24.952 INFO [stderr] warning: method is never used: `with_text`
Dec 19 21:24:24.952 INFO [stderr]     --> src/main.rs:1074:5
Dec 19 21:24:24.952 INFO [stderr]      |
Dec 19 21:24:24.952 INFO [stderr] 1074 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
Dec 19 21:24:24.952 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:24:24.952 INFO [stderr] 
Dec 19 21:24:24.952 INFO [stderr] warning: method is never used: `inv`
Dec 19 21:24:24.952 INFO [stderr]   --> src/numbers/complex.rs:43:5
Dec 19 21:24:24.952 INFO [stderr]    |
Dec 19 21:24:24.953 INFO [stderr] 43 |     pub fn inv(&self) -> Complex {
Dec 19 21:24:24.953 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:24:24.953 INFO [stderr] 
Dec 19 21:24:26.060 INFO [stderr] warning: method is never used: `node_type`
Dec 19 21:24:26.060 INFO [stderr]    --> src/main.rs:476:5
Dec 19 21:24:26.060 INFO [stderr]     |
Dec 19 21:24:26.060 INFO [stderr] 476 |     fn node_type(&self) -> String {
Dec 19 21:24:26.060 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:24:26.060 INFO [stderr]     |
Dec 19 21:24:26.060 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 21:24:26.060 INFO [stderr] 
Dec 19 21:24:26.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Dec 19 21:24:26.353 INFO running `"docker" "inspect" "cb9eb19bfa6c158fd957f5f0d29385a494b797f27468b1d1f18955bd07774e19"`
Dec 19 21:24:26.449 INFO running `"docker" "rm" "-f" "cb9eb19bfa6c158fd957f5f0d29385a494b797f27468b1d1f18955bd07774e19"`
Dec 19 21:24:26.564 INFO [stdout] cb9eb19bfa6c158fd957f5f0d29385a494b797f27468b1d1f18955bd07774e19