[INFO] cloning repository https://github.com/andrewgazelka/rust_ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewgazelka/rust_ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust_ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust_ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c8917579550a0c3fc3c378fe36ff48d299c82a9
[INFO] checking andrewgazelka/rust_ai/7c8917579550a0c3fc3c378fe36ff48d299c82a9 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust_ai" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewgazelka/rust_ai on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewgazelka/rust_ai
[INFO] finished tweaking git repo https://github.com/andrewgazelka/rust_ai
[INFO] tweaked toml for git repo https://github.com/andrewgazelka/rust_ai written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewgazelka/rust_ai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6b32978c7134dfd2c9343a4ebbc4c0dab3cf2a457aaf76898c6e7988bc17182
[INFO] running `Command { std: "docker" "start" "-a" "d6b32978c7134dfd2c9343a4ebbc4c0dab3cf2a457aaf76898c6e7988bc17182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6b32978c7134dfd2c9343a4ebbc4c0dab3cf2a457aaf76898c6e7988bc17182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b32978c7134dfd2c9343a4ebbc4c0dab3cf2a457aaf76898c6e7988bc17182", kill_on_drop: false }`
[INFO] [stdout] d6b32978c7134dfd2c9343a4ebbc4c0dab3cf2a457aaf76898c6e7988bc17182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41f29488a8247df7932c04925629ce057827f1d28491147e3f440a381b6a5870
[INFO] running `Command { std: "docker" "start" "-a" "41f29488a8247df7932c04925629ce057827f1d28491147e3f440a381b6a5870", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking rust-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `list_nodes` is never used
[INFO] [stdout]   --> src/graph.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait UndirectedGraph<T> {
[INFO] [stdout]    |           --------------- method in this trait
[INFO] [stdout] 16 |     fn get_connections(&self, from: &T) -> Vec<To<&T>>;
[INFO] [stdout] 17 |     fn list_nodes(&self) -> &[T];
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/graph.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct StringNode(String, Location);
[INFO] [stdout]    |            ----------         ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `StringNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transition` is never constructed
[INFO] [stdout]  --> src/search.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Transition<T> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Transition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `list_nodes` is never used
[INFO] [stdout]   --> src/graph.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait UndirectedGraph<T> {
[INFO] [stdout]    |           --------------- method in this trait
[INFO] [stdout] 16 |     fn get_connections(&self, from: &T) -> Vec<To<&T>>;
[INFO] [stdout] 17 |     fn list_nodes(&self) -> &[T];
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/graph.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct StringNode(String, Location);
[INFO] [stdout]    |            ----------         ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `StringNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transition` is never constructed
[INFO] [stdout]  --> src/search.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Transition<T> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Transition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `Command { std: "docker" "inspect" "41f29488a8247df7932c04925629ce057827f1d28491147e3f440a381b6a5870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f29488a8247df7932c04925629ce057827f1d28491147e3f440a381b6a5870", kill_on_drop: false }`
[INFO] [stdout] 41f29488a8247df7932c04925629ce057827f1d28491147e3f440a381b6a5870