[INFO] cloning repository https://github.com/rogithub/rust-patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rogithub/rust-patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb7f8f161633858888b8f829f84ed0ae7da85119
[INFO] checking rogithub/rust-patterns against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rogithub/rust-patterns
[INFO] finished tweaking git repo https://github.com/rogithub/rust-patterns
[INFO] tweaked toml for git repo https://github.com/rogithub/rust-patterns written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rogithub/rust-patterns on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rogithub/rust-patterns 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cf45ff9751c47d30c015b69cf1d61c145e9d8a2c58779dd95440e266a13aca9
[INFO] running `Command { std: "docker" "start" "-a" "6cf45ff9751c47d30c015b69cf1d61c145e9d8a2c58779dd95440e266a13aca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf45ff9751c47d30c015b69cf1d61c145e9d8a2c58779dd95440e266a13aca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf45ff9751c47d30c015b69cf1d61c145e9d8a2c58779dd95440e266a13aca9", kill_on_drop: false }`
[INFO] [stdout] 6cf45ff9751c47d30c015b69cf1d61c145e9d8a2c58779dd95440e266a13aca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d57aca45ed7d8835167ee0df780da01806b47e8095f8e93f41b12c9752216b5
[INFO] running `Command { std: "docker" "start" "-a" "3d57aca45ed7d8835167ee0df780da01806b47e8095f8e93f41b12c9752216b5", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Fahrenheit` is never constructed
[INFO] [stdout]  --> src/behavioral/new_type.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Fahrenheit(f64);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Celsius` is never constructed
[INFO] [stdout]  --> src/behavioral/new_type.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Celsius(f64);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Text` is never constructed
[INFO] [stdout]   --> src/behavioral/strategy_aka_ioc.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Text;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Json` is never constructed
[INFO] [stdout]   --> src/behavioral/strategy_aka_ioc.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Json;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/behavioral/visitor.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Interpreter;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyConfiguration` is never constructed
[INFO] [stdout]  --> src/default_ctr.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MyConfiguration {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-patterns` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `output`, `search_path`, and `timeout` are never read
[INFO] [stdout]   --> src/default_ctr.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct MyConfiguration {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout]  6 |     // Option defaults to None
[INFO] [stdout]  7 |     output: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  8 |     // Vecs default to empty vector
[INFO] [stdout]  9 |     search_path: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     // Duration defaults to zero time
[INFO] [stdout] 11 |     timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyConfiguration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d57aca45ed7d8835167ee0df780da01806b47e8095f8e93f41b12c9752216b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d57aca45ed7d8835167ee0df780da01806b47e8095f8e93f41b12c9752216b5", kill_on_drop: false }`
[INFO] [stdout] 3d57aca45ed7d8835167ee0df780da01806b47e8095f8e93f41b12c9752216b5
