[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#723ab942d877517caf445dafde0416803ef56501 for pr-143857 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Frust-patterns" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rogithub/rust-patterns on toolchain 723ab942d877517caf445dafde0416803ef56501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "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" "+723ab942d877517caf445dafde0416803ef56501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d46433eaa2cd6c4e9e8e8d9fc7933903d8650d4042138a436ab4e63b2d56561 [INFO] running `Command { std: "docker" "start" "-a" "5d46433eaa2cd6c4e9e8e8d9fc7933903d8650d4042138a436ab4e63b2d56561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d46433eaa2cd6c4e9e8e8d9fc7933903d8650d4042138a436ab4e63b2d56561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d46433eaa2cd6c4e9e8e8d9fc7933903d8650d4042138a436ab4e63b2d56561", kill_on_drop: false }` [INFO] [stdout] 5d46433eaa2cd6c4e9e8e8d9fc7933903d8650d4042138a436ab4e63b2d56561 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7452d2c9cdecdaf4a123880e0074e75da9067f3a4c9c94c10d227c07e1095610 [INFO] running `Command { std: "docker" "start" "-a" "7452d2c9cdecdaf4a123880e0074e75da9067f3a4c9c94c10d227c07e1095610", kill_on_drop: false }` [INFO] [stderr] Checking rust-patterns v0.1.0 (/opt/rustwide/workdir) [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)]` 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] [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, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | // Vecs default to empty vector [INFO] [stdout] 9 | search_path: Vec, [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "7452d2c9cdecdaf4a123880e0074e75da9067f3a4c9c94c10d227c07e1095610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7452d2c9cdecdaf4a123880e0074e75da9067f3a4c9c94c10d227c07e1095610", kill_on_drop: false }` [INFO] [stdout] 7452d2c9cdecdaf4a123880e0074e75da9067f3a4c9c94c10d227c07e1095610