[INFO] cloning repository https://github.com/VladYermakov/interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VladYermakov/interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladYermakov%2Finterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladYermakov%2Finterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7269d722e714f053041e0db8e28d22865cc09fb9
[INFO] checking VladYermakov/interpreter against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladYermakov%2Finterpreter" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VladYermakov/interpreter on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/VladYermakov/interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4dab42c98440c6f87ea9e14b62928eb9cbb41e2a208bb1b4c60a27a3088baa8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4dab42c98440c6f87ea9e14b62928eb9cbb41e2a208bb1b4c60a27a3088baa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4dab42c98440c6f87ea9e14b62928eb9cbb41e2a208bb1b4c60a27a3088baa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dab42c98440c6f87ea9e14b62928eb9cbb41e2a208bb1b4c60a27a3088baa8", kill_on_drop: false }`
[INFO] [stdout] b4dab42c98440c6f87ea9e14b62928eb9cbb41e2a208bb1b4c60a27a3088baa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b09f977dc6a675784a66e3560ff18136ca0aaf44b257def2e72d3e94030d897
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b09f977dc6a675784a66e3560ff18136ca0aaf44b257def2e72d3e94030d897", kill_on_drop: false }`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `node_type`
[INFO] [stdout]    --> src/main.rs:476:8
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn node_type(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_text`
[INFO] [stdout]    --> src/main.rs:641:8
[INFO] [stdout]     |
[INFO] [stdout] 641 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_text`
[INFO] [stdout]     --> src/main.rs:1074:8
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inv`
[INFO] [stdout]   --> src/numbers/complex.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn inv(&self) -> Complex {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `node_type`
[INFO] [stdout]    --> src/main.rs:476:8
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn node_type(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "3b09f977dc6a675784a66e3560ff18136ca0aaf44b257def2e72d3e94030d897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b09f977dc6a675784a66e3560ff18136ca0aaf44b257def2e72d3e94030d897", kill_on_drop: false }`
[INFO] [stdout] 3b09f977dc6a675784a66e3560ff18136ca0aaf44b257def2e72d3e94030d897