[INFO] updating cached repository https://github.com/VladYermakov/interpreter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7269d722e714f053041e0db8e28d22865cc09fb9
[INFO] checking VladYermakov/interpreter against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladYermakov%2Finterpreter" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VladYermakov/interpreter on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/VladYermakov/interpreter
[INFO] finished tweaking git repo https://github.com/VladYermakov/interpreter
[INFO] tweaked toml for git repo https://github.com/VladYermakov/interpreter written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/VladYermakov/interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cb58a31b8aad182fcb5033b046caf4cde051ff430281594a4f0dceacf56e7e4
[INFO] running `"docker" "start" "-a" "9cb58a31b8aad182fcb5033b046caf4cde051ff430281594a4f0dceacf56e7e4"`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `node_type`
[INFO] [stderr]    --> src/main.rs:476:5
[INFO] [stderr]     |
[INFO] [stderr] 476 |     fn node_type(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_text`
[INFO] [stderr]    --> src/main.rs:641:5
[INFO] [stderr]     |
[INFO] [stderr] 641 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_text`
[INFO] [stderr]     --> src/main.rs:1074:5
[INFO] [stderr]      |
[INFO] [stderr] 1074 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inv`
[INFO] [stderr]   --> src/numbers/complex.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn inv(&self) -> Complex {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `node_type`
[INFO] [stderr]    --> src/main.rs:476:5
[INFO] [stderr]     |
[INFO] [stderr] 476 |     fn node_type(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "9cb58a31b8aad182fcb5033b046caf4cde051ff430281594a4f0dceacf56e7e4"`
[INFO] running `"docker" "rm" "-f" "9cb58a31b8aad182fcb5033b046caf4cde051ff430281594a4f0dceacf56e7e4"`
[INFO] [stdout] 9cb58a31b8aad182fcb5033b046caf4cde051ff430281594a4f0dceacf56e7e4